Los Altos City Council
September 20, 2022

TC6253537.2s Page A-42
City: Los Altos State: CA
Hqname: CALIFORNIA WTR SERV CO Address: 949 B Street
System no: 4310001 System nam: Cwsc Los Altos Suburban
Comment 7: Not Reported
Comment 5: Not Reported Comment 6: Not Reported
Comment 3: Not Reported Comment 4: Not Reported
Comment 1: Not Reported Comment 2: Not Reported
Precision: 5 Status: AU
Latitude: 372300.0 Longitude: 1220600.0
Source nam: WELL 119-03 Station ty: WELL/AMBNT/MUN/INTAKE/SUPPLY System no: 4310001 Water type: G
District: 05 User id: HEN
Frds no: 4310001030 County: 43
Seq: 6878 Prim sta c: 06S/02W-20L03 M
C24
SSE
1/2 - 1 Mile
Higher
CA WELLS 6878
Area serve: LOS ALTOS
Pop serv: 53940 Connection: 17895
Zip: 94024 Zip ext: Not Reported
City: Los Altos State: CA
Hqname: CALIFORNIA WTR SERV CO Address: 949 B Street
System no: 4310001 System nam: Cwsc Los Altos Suburban
Comment 7: Not Reported
Comment 5: Not Reported Comment 6: Not Reported
Comment 3: Not Reported Comment 4: Not Reported
Comment 1: Not Reported Comment 2: Not Reported
Precision: 4 Status: DS
Latitude: 372300.0 Longitude: 1220600.0
Source nam: WELL 107-01 - DESTROYED Station ty: WELL/AMBNT/MUN/INTAKE/SUPPLY System no: 4310001 Water type: G
District: 05 User id: HEN
Frds no: 4310001025 County: 43
Seq: 6896 Prim sta c: 06S/02W-29J02 M
C23
SSE
1/2 - 1 Mile
Higher
CA WELLS 6896
Violation measurement: 0
Enforcement date: 4/4/2000 0:00:00 Enforcement action: State Compliance Achieved Compliance start date: 7/1/1993 0:00:00 Compliance end date: 4/4/2000 0:00:00 Contaminant: LEAD & COPPER RULE Violation type: Initial Tap Sampling for Pb and Cu PWS type code: C Violation ID: 95V0001
PWS name: STRUVE RD WS #02 Population served: 166
Violation measurement: Not Reported
Enforcement date: 2/16/2006 0:00:00 Enforcement action: State Public Notif Requested Compliance start date: 1/1/2006 0:00:00 Compliance end date: 1/31/2006 0:00:00 Contaminant: COLIFORM (TCR) Violation type: Monitoring, Routine Minor (TCR) PWS type code: C Violation ID: 0600011
PWS name: STRUVE RD WS #02 Population served: 166
Violation measurement: Not Reported
GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1373
Agenda Item # 10.

TC6253537.2s Page A-43
Chemical: CHLORIDE Report units: MG/L
Sample date: 23-MAR-16 Finding: 43.

Dlr: 0.

Chemical: AGGRSSIVE INDEX (CORROSIVITY) Report units: Not Reported Sample date: 23-MAR-16 Finding: 13.

Dlr: 0.1
Chemical: TURBIDITY, LABORATORY Report units: NTU
Sample date: 23-MAR-16 Finding: 0.14
Dlr: 0.

Chemical: LANGELIER INDEX @ 60 C Report units: Not Reported Sample date: 23-MAR-16 Finding: 0.73
Dlr: 0.

Chemical: TOTAL DISSOLVED SOLIDS Report units: MG/L
Sample date: 23-MAR-16 Finding: 440.

Dlr: 0.5
Chemical: SULFATE Report units: MG/L
Sample date: 23-MAR-16 Finding: 28.

Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 20-JUN-16 Finding: 3.785
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 21-SEP-16 Finding: 3.87
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 05-DEC-16 Finding: 3.777
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 15-MAR-17 Finding: 3.872
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 13-JUN-17 Finding: 3.894
Dlr: 1.

Chemical: CHROMIUM, HEXAVALENT Report units: UG/L
Sample date: 09-AUG-17 Finding: 1.6
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 12-SEP-17 Finding: 3.903
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 06-DEC-17 Finding: 3.988
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 23-JAN-18 Finding: 3.913
Area serve: LOS ALTOS
Pop serv: 53940 Connection: 17895
Zip: 94024 Zip ext: Not Reported
GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1374
Agenda Item # 10.

TC6253537.2s Page A-44
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 18-DEC-14 Finding: 7.5
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 05-MAR-15 Finding: 6.6
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 05-MAR-15 Finding: 20.3
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 04-JUN-15 Finding: 21.

Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 04-JUN-15 Finding: 7.6
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 30-NOV-15 Finding: 3.924
Dlr: 0.

Chemical: SODIUM Report units: MG/L
Sample date: 23-MAR-16 Finding: 42.

Dlr: 0.

Chemical: SPECIFIC CONDUCTANCE Report units: US
Sample date: 23-MAR-16 Finding: 780.

Dlr: 0.

Chemical: PH, LABORATORY Report units: Not Reported
Sample date: 23-MAR-16 Finding: 7.6
Dlr: 0.

Chemical: ALKALINITY (TOTAL) AS CACO3 Report units: MG/L Sample date: 23-MAR-16 Finding: 290.

Dlr: 0.

Chemical: BICARBONATE ALKALINITY Report units: MG/L
Sample date: 23-MAR-16 Finding: 360.

Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 23-MAR-16 Finding: 3.5
Dlr: 0.

Chemical: HARDNESS (TOTAL) AS CACO3 Report units: MG/L
Sample date: 23-MAR-16 Finding: 320.

Dlr: 0.

Chemical: CALCIUM Report units: MG/L
Sample date: 23-MAR-16 Finding: 84.

Dlr: 0.

Chemical: MAGNESIUM Report units: MG/L
Sample date: 23-MAR-16 Finding: 26.

Dlr: 0.

GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1375
Agenda Item # 10.

TC6253537.2s Page A-45
Chemical: PH, FIELD Report units: Not Reported
Sample date: 13-MAR-13 Finding: 7.3
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 13-MAR-13 Finding: 18.

Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 03-JUN-13 Finding: 7.23
Dlr: 1.

Chemical: CHROMIUM, HEXAVALENT Report units: UG/L
Sample date: 18-JUN-13 Finding: 1.9
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 19-JUN-13 Finding: 23.707
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 05-SEP-13 Finding: 7.19
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 18-SEP-13 Finding: 23.915
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 04-DEC-13 Finding: 6.7
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 10-DEC-13 Finding: 23.832
Dlr: 1.

Chemical: CHROMIUM, HEXAVALENT Report units: UG/L
Sample date: 16-DEC-13 Finding: 1.8
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 05-MAR-14 Finding: 7.5
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 10-MAR-14 Finding: 20.533
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 04-JUN-14 Finding: 7.2
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 04-JUN-14 Finding: 20.373
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 02-SEP-14 Finding: 7.5
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 18-DEC-14 Finding: 19.4
GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1376
Agenda Item # 10.

TC6253537.2s Page A-46
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 13-MAR-13 Finding: 7.3
Dlr: 0.

Chemical: SPECIFIC CONDUCTANCE Report units: US
Sample date: 13-MAR-13 Finding: 740.

Dlr: 0.

Chemical: PH, LABORATORY Report units: Not Reported
Sample date: 13-MAR-13 Finding: 8.2
Dlr: 0.

Chemical: ALKALINITY (TOTAL) AS CACO3 Report units: MG/L Sample date: 13-MAR-13 Finding: 300.

Dlr: 0.

Chemical: BICARBONATE ALKALINITY Report units: MG/L
Sample date: 13-MAR-13 Finding: 360.

Dlr: 0.

Chemical: HARDNESS (TOTAL) AS CACO3 Report units: MG/L
Sample date: 13-MAR-13 Finding: 300.

Dlr: 0.

Chemical: CALCIUM Report units: MG/L
Sample date: 13-MAR-13 Finding: 80.

Dlr: 0.

Chemical: MAGNESIUM Report units: MG/L
Sample date: 13-MAR-13 Finding: 24.

Dlr: 0.

Chemical: SODIUM Report units: MG/L
Sample date: 13-MAR-13 Finding: 44.

Dlr: 0.

Chemical: CHLORIDE Report units: MG/L
Sample date: 13-MAR-13 Finding: 41.

Dlr: 20.

Chemical: MANGANESE Report units: UG/L
Sample date: 13-MAR-13 Finding: 32.

Dlr: 0.

Chemical: TOTAL DISSOLVED SOLIDS Report units: MG/L
Sample date: 13-MAR-13 Finding: 440.

Dlr: 0.

Chemical: LANGELIER INDEX @ 60 C Report units: Not Reported Sample date: 13-MAR-13 Finding: 1.

Dlr: 0.1
Chemical: TURBIDITY, LABORATORY Report units: NTU
Sample date: 13-MAR-13 Finding: 0.36
Dlr: 0.

Chemical: AGGRSSIVE INDEX (CORROSIVITY) Report units: Not Reported Sample date: 13-MAR-13 Finding: 13.

Dlr: 0.

GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1377
Agenda Item # 10.

TC6253537.2s Page A-47
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 07-MAR-12 Finding: 7.8
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 13-MAR-12 Finding: 22.96
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 04-JUN-12 Finding: 7.3
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 06-JUN-12 Finding: 24.846
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 05-SEP-12 Finding: 7.49
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 11-SEP-12 Finding: 24.349
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 04-DEC-12 Finding: 7.1
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 04-DEC-12 Finding: 21.113
Dlr: 0.

Chemical: GROSS ALPHA MDA95 Report units: PCI/L
Sample date: 19-DEC-12 Finding: 3.

Dlr: 3.

Chemical: GROSS ALPHA Report units: PCI/L
Sample date: 19-DEC-12 Finding: 3.1
Dlr: 0.

Chemical: GROSS ALPHA COUNTING ERROR Report units: PCI/L Sample date: 19-DEC-12 Finding: 2.9
Dlr: 0.

Chemical: RADIUM 226 COUNTING ERROR Report units: PCI/L Sample date: 19-DEC-12 Finding: 0.15
Dlr: 0.

Chemical: RADIUM 226 MDA95 Report units: PCI/L
Sample date: 19-DEC-12 Finding: 0.39
Dlr: 0.5
Chemical: SULFATE Report units: MG/L
Sample date: 13-MAR-13 Finding: 26.

Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 13-MAR-13 Finding: 18.

GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1378
Agenda Item # 10.

TC6253537.2s Page A-48
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 14-NOV-17 Finding: 3.787
Dlr: 1.

Chemical: CHROMIUM, HEXAVALENT Report units: UG/L
Sample date: 28-NOV-17 Finding: 2.6
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 20-FEB-18 Finding: 3.795
Area serve: LOS ALTOS
Pop serv: 53940 Connection: 17895
Zip: 94024 Zip ext: Not Reported
City: Los Altos State: CA
Hqname: CALIFORNIA WTR SERV CO Address: 949 B Street
System no: 4310001 System nam: Cwsc Los Altos Suburban
Comment 7: Not Reported
Comment 5: Not Reported Comment 6: Not Reported
Comment 3: Not Reported Comment 4: Not Reported
Comment 1: Not Reported Comment 2: Not Reported
Precision: 5 Status: AU
Latitude: 372300.0 Longitude: 1220600.0
Source nam: ZANETTI WELL Station ty: WELL/AMBNT/MUN/INTAKE/SUPPLY System no: 4310001 Water type: G
District: 05 User id: HEN
Frds no: 4310001037 County: 43
Seq: 6906 Prim sta c: 06S/02W-34G02 M
C26
SSE
1/2 - 1 Mile
Higher
CA WELLS 6906
Area serve: LOS ALTOS
Pop serv: 53940 Connection: 17895
Zip: 94024 Zip ext: Not Reported
City: Los Altos State: CA
Hqname: CALIFORNIA WTR SERV CO Address: 949 B Street
System no: 4310001 System nam: Cwsc Los Altos Suburban
Comment 7: Not Reported
Comment 5: Not Reported Comment 6: Not Reported
Comment 3: Not Reported Comment 4: Not Reported
Comment 1: Not Reported Comment 2: Not Reported
Precision: 8 Status: IU
Latitude: 372300.0 Longitude: 1220600.0
Source nam: WELL 108-01 - INACTIVE Station ty: WELL/AMBNT/MUN/INTAKE/SUPPLY System no: 4310001 Water type: G
District: 05 User id: HEN
Frds no: 4310001026 County: 43
Seq: 6897 Prim sta c: 06S/02W-29K05 M
C25
SSE
1/2 - 1 Mile
Higher
CA WELLS 6897
Map ID
Direction
Distance
Elevation Database EDR ID Number
GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1379
Agenda Item # 10.

TC6253537.2s Page A-49
Chemical: BARIUM Report units: UG/L
Sample date: 09-AUG-16 Finding: 180.

Dlr: 0.

Chemical: AGGRSSIVE INDEX (CORROSIVITY) Report units: Not Reported Sample date: 09-AUG-16 Finding: 12.

Dlr: 0.1
Chemical: TURBIDITY, LABORATORY Report units: NTU
Sample date: 09-AUG-16 Finding: 0.28
Dlr: 0.

Chemical: LANGELIER INDEX @ 60 C Report units: Not Reported Sample date: 09-AUG-16 Finding: 0.22
Dlr: 0.

Chemical: TOTAL DISSOLVED SOLIDS Report units: MG/L
Sample date: 09-AUG-16 Finding: 460.

Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 10-AUG-16 Finding: 7.5
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 10-AUG-16 Finding: 19.

Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 10-AUG-16 Finding: 7.5
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 10-AUG-16 Finding: 18.7
Dlr: 0.

Chemical: GROSS ALPHA MDA95 Report units: PCI/L
Sample date: 10-AUG-16 Finding: 1.3
Dlr: 0.

Chemical: GROSS ALPHA COUNTING ERROR Report units: PCI/L Sample date: 10-AUG-16 Finding: 0.22
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 15-NOV-16 Finding: 4.107
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 05-DEC-16 Finding: 4.065
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 14-FEB-17 Finding: 3.811
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 16-MAY-17 Finding: 3.734
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 16-AUG-17 Finding: 3.801
GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1380
Agenda Item # 10.

TC6253537.2s Page A-50
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 17-MAY-16 Finding: 3.877
Dlr: 0.5
Chemical: SULFATE Report units: MG/L
Sample date: 09-AUG-16 Finding: 54.

Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 09-AUG-16 Finding: 19.1
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 09-AUG-16 Finding: 7.3
Dlr: 0.

Chemical: SPECIFIC CONDUCTANCE Report units: US
Sample date: 09-AUG-16 Finding: 760.

Dlr: 0.

Chemical: PH, LABORATORY Report units: Not Reported
Sample date: 09-AUG-16 Finding: 7.3
Dlr: 0.

Chemical: ALKALINITY (TOTAL) AS CACO3 Report units: MG/L Sample date: 09-AUG-16 Finding: 270.

Dlr: 0.

Chemical: BICARBONATE ALKALINITY Report units: MG/L
Sample date: 09-AUG-16 Finding: 330.

Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 09-AUG-16 Finding: 4.

Dlr: 0.

Chemical: HARDNESS (TOTAL) AS CACO3 Report units: MG/L
Sample date: 09-AUG-16 Finding: 390.

Dlr: 0.

Chemical: CALCIUM Report units: MG/L
Sample date: 09-AUG-16 Finding: 110.

Dlr: 0.

Chemical: MAGNESIUM Report units: MG/L
Sample date: 09-AUG-16 Finding: 30.

Dlr: 0.

Chemical: SODIUM Report units: MG/L
Sample date: 09-AUG-16 Finding: 26.

Dlr: 0.

Chemical: CHLORIDE Report units: MG/L
Sample date: 09-AUG-16 Finding: 46.

Dlr: 0.1
Chemical: FLUORIDE (F) (NATURAL-SOURCE) Report units: MG/L Sample date: 09-AUG-16 Finding: 0.14
Dlr: 100.

GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1381
Agenda Item # 10.

TC6253537.2s Page A-51
Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 10-MAR-14 Finding: 31.253
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 08-MAY-14 Finding: 6.8
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 06-AUG-14 Finding: 7.5
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 16-SEP-14 Finding: 33.819
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 04-NOV-14 Finding: 8.8
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 04-NOV-14 Finding: 18.

Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 16-DEC-14 Finding: 20.032
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 04-FEB-15 Finding: 17.2
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 04-FEB-15 Finding: 7.6
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 10-MAR-15 Finding: 24.256
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 27-MAY-15 Finding: 7.

Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 27-MAY-15 Finding: 17.2
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 16-JUN-15 Finding: 33.651
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 11-AUG-15 Finding: 34.523
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 16-NOV-15 Finding: 6.313
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 08-FEB-16 Finding: 4.55
GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1382
Agenda Item # 10.

TC6253537.2s Page A-52
Dlr: 0.

Chemical: LANGELIER INDEX @ 60 C Report units: Not Reported Sample date: 16-JAN-13 Finding: 0.95
Dlr: 0.

Chemical: TOTAL DISSOLVED SOLIDS Report units: MG/L
Sample date: 16-JAN-13 Finding: 440.

Dlr: 0.5
Chemical: SULFATE Report units: MG/L
Sample date: 16-JAN-13 Finding: 46.

Dlr: 0.1
Chemical: FLUORIDE (F) (NATURAL-SOURCE) Report units: MG/L Sample date: 16-JAN-13 Finding: 0.11
Dlr: 100.

Chemical: BARIUM Report units: UG/L
Sample date: 16-JAN-13 Finding: 170.

Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 07-FEB-13 Finding: 7.1
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 08-MAY-13 Finding: 7.7
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 13-MAY-13 Finding: 6.9
Dlr: 1.

Chemical: CHROMIUM, HEXAVALENT Report units: UG/L
Sample date: 12-JUN-13 Finding: 2.6
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 06-AUG-13 Finding: 7.5
Dlr: 0.

Chemical: GROSS ALPHA COUNTING ERROR Report units: PCI/L Sample date: 22-OCT-13 Finding: 4.

Dlr: 0.

Chemical: GROSS ALPHA MDA95 Report units: PCI/L
Sample date: 22-OCT-13 Finding: 3.

Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 05-NOV-13 Finding: 6.59
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 10-DEC-13 Finding: 20.923
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 05-FEB-14 Finding: 7.5
Dlr: 2.

GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1383
Agenda Item # 10.

TC6253537.2s Page A-53
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 27-FEB-12 Finding: 7.63
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 02-MAY-12 Finding: 7.1
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 07-AUG-12 Finding: 7.4
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 05-NOV-12 Finding: 7.2
Dlr: 0.

Chemical: SODIUM Report units: MG/L
Sample date: 16-JAN-13 Finding: 23.

Dlr: 0.

Chemical: CHLORIDE Report units: MG/L
Sample date: 16-JAN-13 Finding: 45.

Dlr: 0.

Chemical: MAGNESIUM Report units: MG/L
Sample date: 16-JAN-13 Finding: 28.

Dlr: 0.

Chemical: CALCIUM Report units: MG/L
Sample date: 16-JAN-13 Finding: 95.

Dlr: 0.

Chemical: HARDNESS (TOTAL) AS CACO3 Report units: MG/L
Sample date: 16-JAN-13 Finding: 350.

Dlr: 0.

Chemical: BICARBONATE ALKALINITY Report units: MG/L
Sample date: 16-JAN-13 Finding: 330.

Dlr: 0.

Chemical: ALKALINITY (TOTAL) AS CACO3 Report units: MG/L Sample date: 16-JAN-13 Finding: 270.

Dlr: 0.

Chemical: PH, LABORATORY Report units: Not Reported
Sample date: 16-JAN-13 Finding: 8.1
Dlr: 0.1
Chemical: TURBIDITY, LABORATORY Report units: NTU
Sample date: 16-JAN-13 Finding: 0.12
Dlr: 0.

Chemical: AGGRSSIVE INDEX (CORROSIVITY) Report units: Not Reported Sample date: 16-JAN-13 Finding: 13.

Dlr: 0.

Chemical: SPECIFIC CONDUCTANCE Report units: US
Sample date: 16-JAN-13 Finding: 730.

GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1384
Agenda Item # 10.

TC6253537.2s Page A-54
Dlr: 0.

Chemical: CHLORIDE Report units: MG/L
Sample date: 15-JUN-16 Finding: 100.

Dlr: 0.5
Chemical: SULFATE Report units: MG/L
Sample date: 15-JUN-16 Finding: 44.

Dlr: 0.1
Chemical: FLUORIDE (F) (NATURAL-SOURCE) Report units: MG/L Sample date: 15-JUN-16 Finding: 0.11
Dlr: 0.

Chemical: TOTAL DISSOLVED SOLIDS Report units: MG/L
Sample date: 15-JUN-16 Finding: 410.

Dlr: 0.1
Chemical: TURBIDITY, LABORATORY Report units: NTU
Sample date: 15-JUN-16 Finding: 0.49
Dlr: 0.

Chemical: AGGRSSIVE INDEX (CORROSIVITY) Report units: Not Reported Sample date: 15-JUN-16 Finding: 12.

Dlr: 0.

Chemical: PH, LABORATORY Report units: Not Reported
Sample date: 15-JUN-16 Finding: 7.5
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 13-JUN-17 Finding: 2.936
Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 23-JAN-18 Finding: 2.934
Area serve: LOS ALTOS
Pop serv: 53940 Connection: 17895
Zip: 94024 Zip ext: Not Reported
City: Los Altos State: CA
Hqname: CALIFORNIA WTR SERV CO Address: 949 B Street
System no: 4310001 System nam: Cwsc Los Altos Suburban
Comment 7: Not Reported
Comment 5: Not Reported Comment 6: Not Reported
Comment 3: Not Reported Comment 4: Not Reported
Comment 1: Not Reported Comment 2: Not Reported
Precision: 5 Status: AU
Latitude: 372300.0 Longitude: 1220600.0
Source nam: WELL 104-02 Station ty: WELL/AMBNT/MUN/INTAKE/SUPPLY System no: 4310001 Water type: G
District: 05 User id: HEN
Frds no: 4310001024 County: 43
Seq: 6899 Prim sta c: 06S/02W-32D01 M
C27
SSE
1/2 - 1 Mile
Higher
CA WELLS 6899
Map ID
Direction
Distance
Elevation Database EDR ID Number
GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1385
Agenda Item # 10.

TC6253537.2s Page A-55
Chemical: PH, FIELD Report units: Not Reported
Sample date: 05-MAR-15 Finding: 6.5
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 05-MAR-15 Finding: 18.8
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 04-JUN-15 Finding: 19.

Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 04-JUN-15 Finding: 7.2
Dlr: 0.

Chemical: TOTAL TRIHALOMETHANES Report units: UG/L
Sample date: 20-JUL-15 Finding: 1.

Dlr: 0.

Chemical: ALKALINITY (TOTAL) AS CACO3 Report units: MG/L Sample date: 15-JUN-16 Finding: 150.

Dlr: 0.

Chemical: SPECIFIC CONDUCTANCE Report units: US
Sample date: 15-JUN-16 Finding: 720.

Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 15-JUN-16 Finding: 7.5
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 15-JUN-16 Finding: 18.

Dlr: 0.

Chemical: BICARBONATE ALKALINITY Report units: MG/L
Sample date: 15-JUN-16 Finding: 180.

Dlr: 0.4
Chemical: NITRATE (AS N) Report units: MG/L
Sample date: 15-JUN-16 Finding: 1.2
Dlr: 0.

Chemical: HARDNESS (TOTAL) AS CACO3 Report units: MG/L
Sample date: 15-JUN-16 Finding: 220.

Dlr: 0.

Chemical: CALCIUM Report units: MG/L
Sample date: 15-JUN-16 Finding: 49.

Dlr: 0.

Chemical: MAGNESIUM Report units: MG/L
Sample date: 15-JUN-16 Finding: 24.

Dlr: 0.

Chemical: SODIUM Report units: MG/L
Sample date: 15-JUN-16 Finding: 59.

Dlr: 0.

Chemical: POTASSIUM Report units: MG/L
Sample date: 15-JUN-16 Finding: 2.1
GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1386
Agenda Item # 10.

TC6253537.2s Page A-56
Dlr: 2.

Chemical: NITRATE (AS NO3) Report units: MG/L
Sample date: 12-MAR-13 Finding: 9.8
Dlr: 0.1
Chemical: TURBIDITY, LABORATORY Report units: NTU
Sample date: 12-MAR-13 Finding: 0.12
Dlr: 0.

Chemical: AGGRSSIVE INDEX (CORROSIVITY) Report units: Not Reported Sample date: 12-MAR-13 Finding: 13.

Dlr: 0.

Chemical: ALKALINITY (TOTAL) AS CACO3 Report units: MG/L Sample date: 12-MAR-13 Finding: 310.

Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 03-JUN-13 Finding: 7.45
Dlr: 1.

Chemical: CHROMIUM, HEXAVALENT Report units: UG/L
Sample date: 18-JUN-13 Finding: 1.2
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 05-SEP-13 Finding: 7.19
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 04-DEC-13 Finding: 6.7
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 04-JUN-14 Finding: 7.3
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 02-SEP-14 Finding: 7.5
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 18-DEC-14 Finding: 7.3
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 18-DEC-14 Finding: 18.4
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 14-JAN-15 Finding: 7.3
Dlr: 0.

Chemical: RADIUM 228 MDA95 Report units: PCI/L
Sample date: 14-JAN-15 Finding: 0.99
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 14-JAN-15 Finding: 18.

Dlr: 0.

GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1387
Agenda Item # 10.

TC6253537.2s Page A-57
Chemical: CHLORIDE Report units: MG/L
Sample date: 12-MAR-13 Finding: 60.

Dlr: 0.

Chemical: SODIUM Report units: MG/L
Sample date: 12-MAR-13 Finding: 29.

Dlr: 0.

Chemical: MAGNESIUM Report units: MG/L
Sample date: 12-MAR-13 Finding: 42.

Dlr: 0.

Chemical: CALCIUM Report units: MG/L
Sample date: 12-MAR-13 Finding: 83.

Dlr: 0.

Chemical: HARDNESS (TOTAL) AS CACO3 Report units: MG/L
Sample date: 12-MAR-13 Finding: 380.

Dlr: 0.

Chemical: BICARBONATE ALKALINITY Report units: MG/L
Sample date: 12-MAR-13 Finding: 370.

Dlr: 0.

Chemical: PH, LABORATORY Report units: Not Reported
Sample date: 12-MAR-13 Finding: 8.

Dlr: 0.

Chemical: SPECIFIC CONDUCTANCE Report units: US
Sample date: 12-MAR-13 Finding: 770.

Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 12-MAR-13 Finding: 7.3
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 12-MAR-13 Finding: 18.

Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 12-MAR-13 Finding: 7.3
Dlr: 0.

Chemical: SOURCE TEMPERATURE C Report units: C
Sample date: 12-MAR-13 Finding: 18.

Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 12-MAR-13 Finding: 7.3
Dlr: 0.5
Chemical: SULFATE Report units: MG/L
Sample date: 12-MAR-13 Finding: 46.

Dlr: 0.

Chemical: TOTAL DISSOLVED SOLIDS Report units: MG/L
Sample date: 12-MAR-13 Finding: 460.

Dlr: 0.

Chemical: LANGELIER INDEX @ 60 C Report units: Not Reported Sample date: 12-MAR-13 Finding: 0.85
GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1388
Agenda Item # 10.

TC6253537.2s Page A-58
Date: 10/27/1998
Average Water Depth: Not Reported
Deep Water Depth: 11.52
Shallow Water Depth: 8.26
Groundwater Flow: NE
1G Site ID: 41-1012
NE
1/4 - 1/2 Mile
Lower
AQUIFLOW 50011
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 07-MAR-12 Finding: 7.4
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 04-JUN-12 Finding: 7.3
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 05-SEP-12 Finding: 7.15
Dlr: 0.

Chemical: PH, FIELD Report units: Not Reported
Sample date: 04-DEC-12 Finding: 6.7
Dlr: 0.

Chemical: GROSS ALPHA COUNTING ERROR Report units: PCI/L Sample date: 19-DEC-12 Finding: 0.79
Dlr: 0.

Chemical: RADIUM 226 MDA95 Report units: PCI/L
Sample date: 19-DEC-12 Finding: 0.46
Dlr: 0.

GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
1389
Agenda Item # 10.

TC6253537.2s Page A-59
Basement Not Reported Not Reported Not Reported Not Reported Living Area - 2nd Floor Not Reported Not Reported Not Reported Not Reported Living Area - 1st Floor 0.200 pCi/L 100% 0% 0%
Area Average Activity % <4 pCi/L % 4-20 pCi/L % >20 pCi/L Number of sites tested: 2
Federal Area Radon Information for Zip Code: 94022
: Zone 3 indoor average level < 2 pCi/L.
: Zone 2 indoor average level >= 2 pCi/L and <= 4 pCi/L.

Note: Zone 1 indoor average level > 4 pCi/L.

Federal EPA Radon Zone for SANTA CLARA County: 2
94022 60 3
______ ________ ________
Zipcode Num Tests > 4 pCi/L
Radon Test Results
State Database: CA Radon

AREA RADON INFORMATION

GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS
RADON
®
1390
Agenda Item # 10.

TOPOGRAPHIC INFORMATION
USGS 7.5’ Digital Elevation Model (DEM)
Source: United States Geologic Survey
EDR acquired the USGS 7.5’ Digital Elevation Model in 2002 and updated it in 2006. The 7.5 minute DEM corresponds to the USGS 1:24,000- and 1:25,000-scale topographic quadrangle maps. The DEM provides elevation data with consistent elevation units and projection.

Current USGS 7.5 Minute Topographic Map
Source: U.S. Geological Survey

HYDROLOGIC INFORMATION
Flood Zone Data: This data was obtained from the Federal Emergency Management Agency (FEMA). It depicts 100-year and 500-year flood zones as defined by FEMA. It includes the National Flood Hazard Layer (NFHL) which incorporates Flood Insurance Rate Map (FIRM) data and Q3 data from FEMA in areas not covered by NFHL.

Source: FEMA
Telephone: 877-336-2627
Date of Government Version: 2003, 2015
NWI: National Wetlands Inventory. This data, available in select counties across the country, was obtained by EDR in 2002, 2005 and 2010 from the U.S. Fish and Wildlife Service.

State Wetlands Data: Wetland Inventory
Source: Department of Fish and Wildlife
Telephone: 916-445-0411

HYDROGEOLOGIC INFORMATION
AQUIFLOW Information System R
Source: EDR proprietary database of groundwater flow information EDR has developed the AQUIFLOW Information System (AIS) to provide data on the general direction of groundwater flow at specific points. EDR has reviewed reports submitted to regulatory authorities at select sites and has extracted the date of the report, hydrogeologically determined groundwater flow direction and depth to water table information.

GEOLOGIC INFORMATION
Geologic Age and Rock Stratigraphic Unit
Source: P.G. Schruben, R.E. Arndt and W.J. Bawiec, Geology of the Conterminous U.S. at 1:2,500,000 Scale - A digital representation of the 1974 P.B. King and H.M. Beikman Map, USGS Digital Data Series DDS - 11 (1994).

STATSGO: State Soil Geographic Database
Source: Department of Agriculture, Natural Resources Conservation Service (NRCS) The U.S. Department of Agriculture’s (USDA) Natural Resources Conservation Service (NRCS) leads the national Conservation Soil Survey (NCSS) and is responsible for collecting, storing, maintaining and distributing soil survey information for privately owned lands in the United States. A soil map in a soil survey is a representation of soil patterns in a landscape. Soil maps for STATSGO are compiled by generalizing more detailed (SSURGO) soil survey maps.

SSURGO: Soil Survey Geographic Database
Source: Department of Agriculture, Natural Resources Conservation Service (NRCS) Telephone: 800-672-5559
SSURGO is the most detailed level of mapping done by the Natural Resources Conservation Service, mapping scales generally range from 1:12,000 to 1:63,360. Field mapping methods using national standards are used to construct the soil maps in the Soil Survey Geographic (SSURGO) database. SSURGO digitizing duplicates the original soil survey maps. This level of mapping is designed for use by landowners, townships and county natural resource planning and management.

TC6253537.2s Page PSGR-1

PHYSICAL SETTING SOURCE RECORDS SEARCHED
1391
Agenda Item # 10.

LOCAL / REGIONAL WATER AGENCY RECORDS

FEDERAL WATER WELLS
PWS: Public Water Systems
Source: EPA/Office of Drinking Water
Telephone: 202-564-3750
Public Water System data from the Federal Reporting Data System. A PWS is any water system which provides water to at least 25 people for at least 60 days annually. PWSs provide water from wells, rivers and other sources.

PWS ENF: Public Water Systems Violation and Enforcement Data Source: EPA/Office of Drinking Water
Telephone: 202-564-3750
Violation and Enforcement data for Public Water Systems from the Safe Drinking Water Information System (SDWIS) after August 1995. Prior to August 1995, the data came from the Federal Reporting Data System (FRDS).

USGS Water Wells: USGS National Water Inventory System (NWIS) This database contains descriptive information on sites where the USGS collects or has collected data on surface water and/or groundwater. The groundwater data includes information on wells, springs, and other sources of groundwater.

STATE RECORDS
Water Well Database
Source: Department of Water Resources
Telephone: 916-651-9648
California Drinking Water Quality Database
Source: Department of Public Health
Telephone: 916-324-2319
The database includes all drinking water compliance and special studies monitoring for the state of California since 1984. It consists of over 3,200,000 individual analyses along with well and water system information.

OTHER STATE DATABASE INFORMATION
California Oil and Gas Well Locations
Source: Dept of Conservation, Geologic Energy Management Division Telephone: 916-323-1779
Oil and Gas well locations in the state.

California Earthquake Fault Lines
Source: California Division of Mines and Geology
The fault lines displayed on EDR’s Topographic map are digitized quaternary fault lines prepared in 1975 by the United State Geological Survey. Additional information (also from 1975) regarding activity at specific fault lines comes from California’s Preliminary Fault Activity Map prepared by the California Division of Mines and Geology.

RADON
State Database: CA Radon
Source: Department of Public Health
Telephone: 916-210-8558
Radon Database for California
Area Radon Information
Source: USGS
Telephone: 703-356-4020
The National Radon Database has been developed by the U.S. Environmental Protection Agency (USEPA) and is a compilation of the EPA/State Residential Radon Survey and the National Residential Radon Survey.

The study covers the years 1986 - 1992. Where necessary data has been supplemented by information collected at private sources such as universities and research institutions.

TC6253537.2s Page PSGR-2

PHYSICAL SETTING SOURCE RECORDS SEARCHED
1392
Agenda Item # 10.

EPA Radon Zones
Source: EPA
Telephone: 703-356-4020
Sections 307 & 309 of IRAA directed EPA to list and identify areas of U.S. with the potential for elevated indoor radon levels.

OTHER
Airport Landing Facilities: Private and public use landing facilities Source: Federal Aviation Administration, 800-457-6656
Epicenters: World earthquake epicenters, Richter 5 or greater Source: Department of Commerce, National Oceanic and Atmospheric Administration California Earthquake Fault Lines: The fault lines displayed on EDR’s Topographic map are digitized quaternary fault lines, prepared in 1975 by the United State Geological Survey. Additional information (also from 1975) regarding activity at specific fault lines comes from California’s Preliminary Fault Activity Map prepared by the California Division of Mines and Geology.

STREET AND ADDRESS INFORMATION
© 2015 TomTom North America, Inc. All rights reserved. This material is proprietary and the subject of copyright protection and other intellectual property rights owned by or licensed to Tele Atlas North America, Inc. The use of this material is subject to the terms of a license agreement. You will be held liable for any unauthorized copying or disclosure of this material.

TC6253537.2s Page PSGR-3

PHYSICAL SETTING SOURCE RECORDS SEARCHED
1393
Agenda Item # 10.

FORM-NULL-PVC
tropeR paM suidaR yrammuS RDE
6 Armstrong Road, 4th floor
Shelton, CT 06484
Toll Free: 800.352.0050
www.edrnet.com
Distel Circle Property
330 Distel Circle
Los Altos, CA 94022
Inquiry Number: 6253537.2s
November 04, 2020
1394
Agenda Item # 10.

SECTION PAGE
Executive Summary ES1
Overview Map 2
Detail Map 3
Map Findings Summary 4
Map Findings 9
Orphan Summary 327
Government Records Searched/Data Currency Tracking GR-1

GEOCHECK ADDENDUM
Physical Setting Source Addendum A-1
Physical Setting Source Summary A-2
Physical Setting Source Map A-8
Physical Setting Source Map Findings A-9
Physical Setting Source Records Searched PSGR-1
TC6253537.2s Page 1
Thank you for your business.

Please contact EDR at 1-800-352-0050
with any questions or comments.

Disclaimer - Copyright and Trademark Notice
This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data Resources, Inc. It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist from other sources. NO WARRANTY EXPRESSED OR IMPLIED, IS MADE WHATSOEVER IN CONNECTION WITH THIS REPORT. ENVIRONMENTAL DATA RESOURCES, INC. SPECIFICALLY DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE. ALL RISK IS ASSUMED BY THE USER. IN NO EVENT SHALL ENVIRONMENTAL DATA RESOURCES, INC. BE LIABLE TO ANYONE, WHETHER ARISING OUT OF ERRORS OR OMISSIONS, NEGLIGENCE,

ACCIDENT OR ANY OTHER CAUSE, FOR ANY LOSS OF DAMAGE, INCLUDING, WITHOUT LIMITATION, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES. ANY LIABILITY ON THE PART OF ENVIRONMENTAL DATA RESOURCES, INC. IS STRICTLY LIMITED TO A REFUND OF THE AMOUNT PAID FOR THIS REPORT. Purchaser accepts this Report "AS IS". Any analyses, estimates, ratings, environmental risk levels or risk codes provided in this Report are provided for illustrative purposes only, and are not intended to provide, nor should they be interpreted as providing any facts regarding, or prediction or forecast of, any environmental risk for any property. Only a Phase I Environmental Site Assessment performed by an environmental professional can provide information regarding the environmental risk for any property. Additionally, the information provided in this Report is not to be construed as legal advice.

Copyright 2020 by Environmental Data Resources, Inc. All rights reserved. Reproduction in any media or format, in whole or in part, of any report or map of Environmental Data Resources, Inc., or its affiliates, is prohibited without prior written permission.

EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources, Inc. or its affiliates. All other trademarks used herein are the property of their respective owners.

TABLE OF CONTENTS
1395
Agenda Item # 10.

EXECUTIVE SUMMARY
TC6253537.2s EXECUTIVE SUMMARY 1
A search of available environmental records was conducted by Environmental Data Resources, Inc (EDR).

The report was designed to assist parties seeking to meet the search requirements of EPA’s Standards and Practices for All Appropriate Inquiries (40 CFR Part 312), the ASTM Standard Practice for Environmental Site Assessments (E 1527-13), the ASTM Standard Practice for Environmental Site Assessments for Forestland or Rural Property (E 2247-16), the ASTM Standard Practice for Limited Environmental Due Diligence: Transaction Screen Process (E 1528-14) or custom requirements developed for the evaluation of environmental risk associated with a parcel of real estate.

TARGET PROPERTY INFORMATION

ADDRESS
330 DISTEL CIRCLE
LOS ALTOS, CA 94022

COORDINATES
Latitude (North): 37.3963710 - 37˚ 23’ 46.93’’
Longitude (West): 122.1058710 - 122˚ 6’ 21.13’’
Universal Tranverse Mercator: Zone 10
UTM X (Meters): 579144.0
UTM Y (Meters): 4139015.5
Elevation: 86 ft. above sea level

USGS TOPOGRAPHIC MAP ASSOCIATED WITH TARGET PROPERTY
Target Property: TP
Source: U.S. Geological Survey
Target Property: NW
Source: U.S. Geological Survey

AERIAL PHOTOGRAPHY IN THIS REPORT
Portions of Photo from: 20140608
Source: USDA
1396
Agenda Item # 10.
6253537.2s Page 2
38 INNOVUSION, INC. 4920 EL CAMINO REAL, RCRA NonGen / NLR Lower 651, 0.123, WNW E37 PERFORMANCE BICYCLE 2124 W EL CAMINO REA RCRA NonGen / NLR Lower 623, 0.118, East F36 728 PANCHITA LLC 728 PANCHITA WAY RCRA NonGen / NLR Higher 622, 0.118, SSW E35 B & H EQUIPMENT CO 2246 W EL CAMINO REA HIST UST Lower 536, 0.102, ENE E34 UNITED RENTALS NORTH 2246 W EL CAMINO REA CUPA Listings Lower 536, 0.102, ENE E33 TAYLOR RENTALS 2246 W EL CAMINO REA RCRA-SQG Lower 536, 0.102, ENE E32 TAYLOR RENTAL 2246 W EL CAMINO REA SWEEPS UST, HIST UST, CA FID UST Lower 536, 0.102, ENE E31 WALTER’S FLOORS 5084 EL CAMINO REAL LUST, HIST LUST, Cortese, HIST CORTESE Higher 525, 0.099, East E30 SPINAL & SPORTS CARE 2200 EL CAMINO REAL CUPA Listings Lower 443, 0.084, ENE B29 QSECURE 333 DISTEL CL CUPA Listings Higher 370, 0.070, SE C28 PURE CLEANERS 2290-A EL CAMINO REA DRYCLEANERS, HWTS Lower 335, 0.063, North D27 FOOTHILL CHIROPRACTI 5050 EL CAMINO REAL CUPA Listings Lower 285, 0.054, East D26 AVANTE 5050 EL CAMINO REAL CUPA Listings Lower 285, 0.054, East D25 DCI MANAGEMENT GROUP 2290 EL CAMINO REAL RCRA-SQG, FINDS, ECHO Lower 284, 0.054, NE D24 DCI MANAGEMENT GROUP 2290 W EL CAMINO REA EDR Hist Cleaner Lower 284, 0.054, NE D23 DELIA’S CLEANERS 2290 W EL CAMINO REA CUPA Listings Lower 284, 0.054, NE D22 DELIA’S CLEANERS INC 2290 W EL CAMINO REA DRYCLEANERS Lower 284, 0.054, NE D21 PLATINUM CLEANERS 2290 W EL CAMINO REA CUPA Listings Lower 284, 0.054, NE D20 PURE CLEANERS 2290 EL CAMINO REAL CUPA Listings Lower 284, 0.054, NE D19 FORMER PLATINUM CLEA 2290 WEST EL CAMINO ENVIROSTOR, VCP Lower 284, 0.054, NE C18 SKYLINE HEIGHTS LLC 4970 EL CAMINO REAL RCRA NonGen / NLR Lower 246, 0.047, NNW B17 SUTTER BAY MEDICAL F 370 DISTEL CIR RCRA NonGen / NLR Higher 227, 0.043, SE B16 SUTTER BAY MEDICAL F 370 DISTEL CL CERS HAZ WASTE Higher 187, 0.035, SSE B15 PALO ALTO MEDICAL FO 370 DISTEL CL CUPA Listings Higher 187, 0.035, SSE A14 R2 TECHNOLOGY INC 325 DISTEL CL CUPA Listings Lower 71, 0.013, ESE Reg JASCO CHEM CORP 1710 VILLA ST NPL, SEMS, RCRA-SQG, US ENG CONTROLS, US INST... Same 4647, 0.880, East A13 MIDPENISULA REGIONAL 330 DISTEL CIR HAZNET, HWTS TP A12 POND 07 AND 08 330 DISTEL CIRCLE CIWQS TP
A11 US ARMY CORP OF ENGI 330 DISTEL CIR HAZNET, HWTS TP A10 MIDPENINSULA REGIONA 330 DISTEL CIR HWTS TP
A9 MICHAEL J BANKOSH 330 DISTEL CIR PEST LIC TP
A8 US ARMY CORPS OF ENG 330 DISTEL CIR HWTS TP
A7 ALMADN AIR FORCE STA 330 DISTEL CIR HAZNET, HWTS TP
A6 MIDPENISULA REGIONAL 330 DISTEL CIR HAZNET, HWTS TP
A5 1X MIDPENISULA REGIO 330 DISTEL CIRCLE HAZNET, HWTS TP A4 POND 07 AND 08 330 DISTEL CIRCLE FINDS TP
A3 MIDPENINSULA REGIONA 330 DISTEL CIRCLE CIWQS TP
A2 US ARMY CORP OF ENGI 330 DISTEL CIR HAZNET, HWTS TP
A1 US ARMY CORP OF ENGI 330 DISTEL CIR HAZNET, HWTS TP

MAPPED SITES SUMMARY
Target Property Address:
330 DISTEL CIRCLE
LOS ALTOS, CA 94022
Click on Map ID to see full detail.

MAP RELATIVE DIST (ft. & mi.)

ID DATABASE ACRONYMS ELEVATION DIRECTION SITE NAME ADDRESS 1397
Agenda Item # 10.
6253537.2s Page 3
O77 TRW/VIDAR 77 ORTEGA AVENUE RESPONSE, ENVIROSTOR, DEED, CERS Lower 2702, 0.512, NNE P76 PLESSEY #3 2256 MORA DRIVE RESPONSE, ENVIROSTOR, CERS Lower 2659, 0.504, NNE R75 DTSC FORMER PLESSEY 2274 MORA DR RESPONSE, ENVIROSTOR, Cortese, HAZNET, HIST... Lower 2652, 0.502, NNE R74 PLESSEY MICRO SCIENC 2274 MORA DR SEMS-ARCHIVE, HIST Cal-Sites, RCRA NonGen / NLR,... Lower 2652, 0.502, NNE R73 PLESSEY MICRO SCIENC 2274 MORA DRIVE CA BOND EXP. PLAN Lower 2652, 0.502, NNE O72 PLESSEY INC. NPDES 2294 MORA DR CPS-SLIC, CERS Lower 2637, 0.499, NNE 71 IRM COST SHARING SIT 2520 CALIFORNIA STRE CPS-SLIC, EMI, CERS Lower 2623, 0.497, North P70 PLESSEY #2 2251, 2257, 2283 AND RESPONSE, ENVIROSTOR, CERS Lower 2562, 0.485, NNE R69 SYMTRON CORP. 22352245 MORA DR HIST CORTESE Lower 2557, 0.484, NNE Q68 QUALITY TUNE-UP #1 2580 EL CAMINO REAL LUST, CERS Lower 2538, 0.481, NW Q67 QUALITY TUNE-UP #1 2580 EL CAMINO REAL LUST, HIST LUST, Cortese, HIST CORTESE Lower 2538, 0.481, NW P66 SYMTRON CORP MOUNTAI 2235 MORA DR RCRA-SQG, RESPONSE, ENVIROSTOR, FINDS, ECHO, CERSLower 2515, 0.476, NNE O65 SYMTRON #2 111 ORTEGA AVENUE RESPONSE, ENVIROSTOR, CERS Lower 2500, 0.473, NNE N64 UNOCAL #4918 895 N. SAN ANTONIO R LUST, HIST LUST, Cortese, CERS Lower 2436, 0.461, WNW N63 UNOCAL 895 SAN ANTONIO HIST CORTESE Lower 2436, 0.461, WNW M62 LOS ALTOS GARDEN SUP 4730 EL CAMINO REAL LUST, HIST UST Lower 2018, 0.382, NW M61 LOS ALTOS GARDEN SUP 4730 EL CAMINO REAL LUST, Cortese, HIST CORTESE, CERS Lower 2018, 0.382, NW L60 TARGET T0322 555 SHOWERS DR LUST, CERS HAZ WASTE, CUPA Listings, HIST CORTESE,... Lower 1725, 0.327, NNW L59 DIGAS 555 SHOWERS DR LUST, HIST LUST, Cortese, CERS Lower 1725, 0.327, NNW K58 JUHYONG YI DDS PRIME 4846 EL CAMINO REAL RCRA NonGen / NLR Lower 1277, 0.242, NW K57 PRIME DENTAL CARE 4846 EL CAMINO REAL CUPA Listings Lower 1277, 0.242, NW 56 ONE HOUR CLEANERS 580 RENGSTORFF AVE N CPS-SLIC, DRYCLEANERS, CERS Lower 1253, 0.237, ENE J55 MARTIN DAVIDSSON 646 PANCHITA WAY RCRA NonGen / NLR Higher 1216, 0.230, SSW J54 MARTIN DAVIDSSON 646 PANCHITA WAY RCRA NonGen / NLR Higher 1216, 0.230, SSW H53 DOLLAR RENT A CAR 4294 EL CAMINO REAL SWEEPS UST, CA FID UST, CUPA Listings, CERS Higher 1192, 0.226, ESE G52 CANDIDA MALFERRARI 400 ORTEGA AVE RCRA NonGen / NLR Lower 1139, 0.216, North I51 ALPINE ANIMAL HOSPIT 2460 EL CAMINO REAL CUPA Listings Lower 1067, 0.202, NW I50 ALPINE ANIMAL HOSPIT 2460 W EL CAMINO REA CUPA Listings Lower 1067, 0.202, NW I49 ALPINE ANIMAL HOSPIT 2460 W EL CAMINO REA CUPA Listings, HWTS Lower 1067, 0.202, NW I48 BOSTON PROPERTIES, L 2440 EL CAMINO REAL CERS HAZ WASTE, CERS Lower 1034, 0.196, NNW I47 BP WEST EL CAMINO LL 2440 W EL CAMINO REA CUPA Listings, EMI, CERS Lower 1034, 0.196, NNW I46 BXP WEST EL CAMINO L 2440 W EL CAMINO REA RCRA NonGen / NLR Lower 1034, 0.196, NNW H45 NATUROPATHIC OPTIONS 5150 EL CAMINO REAL RCRA NonGen / NLR Higher 1029, 0.195, ESE G44 JOHN PEAR 410 ORTEGA AVE SWEEPS UST, CA FID UST Lower 1015, 0.192, North G43 JOHN PEAR 410 ORTEGA AVE HIST UST Lower 1015, 0.192, North 42 JACK IN THE BOX #042 4896 EL CAMINO REAL CUPA Listings, CERS Lower 1007, 0.191, NW 41 HEATH, RICHARD 2280 LAYTHM STREET # RCRA NonGen / NLR Lower 886, 0.168, NNE 40 LATHAM SQUARE APARTM 2250 LATHAM ST RCRA NonGen / NLR Lower 831, 0.157, NE F39 MIKE RYAN 722 PANCHITA WAY RCRA NonGen / NLR Higher 706, 0.134, SSW

MAPPED SITES SUMMARY
Target Property Address:
330 DISTEL CIRCLE
LOS ALTOS, CA 94022
Click on Map ID to see full detail.

MAP RELATIVE DIST (ft. & mi.)

ID DATABASE ACRONYMS ELEVATION DIRECTION SITE NAME ADDRESS 1398
Agenda Item # 10.
6253537.2s Page 4
S85 JASCO CHEMICAL CORPO 1710 VILLA STREET CA BOND EXP. PLAN, EMI Lower 4683, 0.887, East S84 JASCO CHEMICAL CO 1710 VILLA STREET HIST Cal-Sites Lower 4683, 0.887, East S83 JASCO CHEMICAL CORP. 1710 VILLA ST ENVIROSTOR, HIST UST, ENF, CIWQS, CERS Lower 4683, 0.887, East 82 LOS ALTOS HS 201 ALMOND AVE RCRA-SQG, ENVIROSTOR, SCH, CERS HAZ WASTE, FINDS,...Higher 4010, 0.759, SSW 81 MVSA 225 SAN ANTONIO ROAD ENVIROSTOR, VCP Lower 3605, 0.683, NNW 80 SHELL SERVICE STATIO 110 N RENGSTORFF RCRA-SQG, LUST, HIST LUST, SWEEPS UST, HIST UST,... Lower 3446, 0.653, NE 79 PROPOSED SAN ANTONIO 435 SAN ANTONIO ROAD ENVIROSTOR, SCH Lower 3253, 0.616, NNW P78 MORA DRIVE 2221-2291 MORA DRIVE ENVIROSTOR, VCP, DEED Lower 2742, 0.519, NNE

MAPPED SITES SUMMARY
Target Property Address:
330 DISTEL CIRCLE
LOS ALTOS, CA 94022
Click on Map ID to see full detail.

MAP RELATIVE DIST (ft. & mi.)

ID DATABASE ACRONYMS ELEVATION DIRECTION SITE NAME ADDRESS 1399
Agenda Item # 10.

EXECUTIVE SUMMARY
TC6253537.2s EXECUTIVE SUMMARY 5

TARGET PROPERTY SEARCH RESULTS
The target property was identified in the following records. For more information on this property see page 9 of the attached EDR Radius Map report:

Site Database(s) EPA ID

US ARMY CORP OF ENGI
330 DISTEL CIR
LOS ALTOS, CA 94022

HAZNET N/A
GEPAID: CAC002624102
HWTS

US ARMY CORP OF ENGI
330 DISTEL CIR
LOS ALTOS, CA 94022

HAZNET N/A
GEPAID: CAC002611256
HWTS

MIDPENINSULA REGIONA
330 DISTEL CIRCLE
WOODSIDE, CA 94022

CIWQS N/A
POND 07 AND 08
330 DISTEL CIRCLE
LOS ALTOS, CA 94022

FINDS N/A
Registry ID:: 110065510593
1X MIDPENISULA REGIO
330 DISTEL CIRCLE
LOS ALTOS, CA 94022

HAZNET N/A
GEPAID: CAC000703192
HWTS

MIDPENISULA REGIONAL
330 DISTEL CIR
LOS ALTOS, CA 94022

HAZNET N/A
GEPAID: CAC002661612
HWTS

ALMADN AIR FORCE STA
330 DISTEL CIR
LOS ALTOS, CA 94022

HAZNET N/A
GEPAID: CAC002637235
HWTS

US ARMY CORPS OF ENG
330 DISTEL CIR
LOS ALTOS, CA 94022

HWTS N/A

MICHAEL J BANKOSH
330 DISTEL CIR
LOS ALTOS, CA 94022

PEST LIC N/A

MIDPENINSULA REGIONA
330 DISTEL CIR
LOS ALTOS, CA 94022

HWTS N/A
1400
Agenda Item # 10.

EXECUTIVE SUMMARY
TC6253537.2s EXECUTIVE SUMMARY 6

US ARMY CORP OF ENGI
330 DISTEL CIR
LOS ALTOS, CA 94022

HAZNET N/A
GEPAID: CAC002636173
HWTS
POND 07 AND 08
330 DISTEL CIRCLE

LOS ALTOS, CA

CIWQS N/A

MIDPENISULA REGIONAL
330 DISTEL CIR
LOS ALTOS, CA 94022

HAZNET N/A
GEPAID: CAC002599053
HWTS
SURROUNDING SITES: SEARCH RESULTS
Surrounding sites were identified in the following databases.

Elevations have been determined from the USGS Digital Elevation Model and should be evaluated on a relative (not an absolute) basis. Relative elevation information between sites of close proximity should be field verified. Sites with an elevation equal to or higher than the target property have been differentiated below from sites with an elevation lower than the target property.

Page numbers and map identification numbers refer to the EDR Radius Map report where detailed data on individual sites can be reviewed.

Sites listed in bold italics are in multiple databases.

Unmappable (orphan) sites are not considered in the foregoing analysis.

STANDARD ENVIRONMENTAL RECORDS
Federal NPL site list
NPL: A review of the NPL list, as provided by EDR, and dated 07/29/2020 has revealed that there is 1 NPL site within approximately 1 mile of the target property.

Equal/Higher Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ JASCO CHEM CORP 1710 VILLA ST E 1/2 - 1 (0.880 mi.) 0 11 Cerclis ID:: 901126
EPA Id: CAD009103318
Federal RCRA generators list
RCRA-SQG: A review of the RCRA-SQG list, as provided by EDR, and dated 06/15/2020 has revealed that there are 2 RCRA-SQG sites within approximately 0.25 miles of the target property.

Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ DCI MANAGEMENT GROUP 2290 EL CAMINO REAL NE 0 - 1/8 (0.054 mi.) D25 14 1401
Agenda Item # 10.

EXECUTIVE SUMMARY
TC6253537.2s EXECUTIVE SUMMARY 7
EPA ID:: CAR000063586
TAYLOR RENTALS 2246 W EL CAMINO REA ENE 0 - 1/8 (0.102 mi.) E33 16 EPA ID:: CAD983672197
State- and tribal - equivalent NPL
RESPONSE: A review of the RESPONSE list, as provided by EDR, has revealed that there are 6 RESPONSE sites within approximately 1 mile of the target property.

Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ SYMTRON #2 111 ORTEGA AVENUE NNE 1/4 - 1/2 (0.473 mi.) O65 23 Database: RESPONSE, Date of Government Version: 07/27/2020 Status: No Further Action
Facility Id: 43360130
SYMTRON CORP MOUNTAI 2235 MORA DR NNE 1/4 - 1/2 (0.476 mi.) P66 23 Database: RESPONSE, Date of Government Version: 07/27/2020 Status: No Further Action
Facility Id: 43360124
PLESSEY #2 2251, 2257, 2283 AND NNE 1/4 - 1/2 (0.485 mi.) P70 24 Database: RESPONSE, Date of Government Version: 07/27/2020 Status: No Further Action
Facility Id: 43360131
DTSC FORMER PLESSEY 2274 MORA DR NNE 1/2 - 1 (0.502 mi.) R75 26 Database: RESPONSE, Date of Government Version: 07/27/2020 Status: Certified / Operation & Maintenance
Facility Id: 43360069
PLESSEY #3 2256 MORA DRIVE NNE 1/2 - 1 (0.504 mi.) P76 27 Database: RESPONSE, Date of Government Version: 07/27/2020 Status: No Further Action
Facility Id: 43360135
TRW/VIDAR 77 ORTEGA AVENUE NNE 1/2 - 1 (0.512 mi.) O77 27 Database: RESPONSE, Date of Government Version: 07/27/2020 Status: Certified O&M - Land Use Restrictions Only
Facility Id: 43360128
State- and tribal - equivalent CERCLIS
ENVIROSTOR: A review of the ENVIROSTOR list, as provided by EDR, and dated 07/27/2020 has revealed that there are 12 ENVIROSTOR sites within approximately 1 mile of the target property.

Equal/Higher Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ LOS ALTOS HS 201 ALMOND AVE SSW 1/2 - 1 (0.759 mi.) 82 29 Facility Id: 60002914
Status: Active
Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ FORMER PLATINUM CLEA 2290 WEST EL CAMINO NE 0 - 1/8 (0.054 mi.) D19 13 1402
Agenda Item # 10.

EXECUTIVE SUMMARY
TC6253537.2s EXECUTIVE SUMMARY 8
Facility Id: 60002117
Status: Certified
SYMTRON #2 111 ORTEGA AVENUE NNE 1/4 - 1/2 (0.473 mi.) O65 23 Facility Id: 43360130
Status: No Further Action
SYMTRON CORP MOUNTAI 2235 MORA DR NNE 1/4 - 1/2 (0.476 mi.) P66 23 Facility Id: 43360124
Status: No Further Action
PLESSEY #2 2251, 2257, 2283 AND NNE 1/4 - 1/2 (0.485 mi.) P70 24 Facility Id: 43360131
Status: No Further Action
DTSC FORMER PLESSEY 2274 MORA DR NNE 1/2 - 1 (0.502 mi.) R75 26 Facility Id: 43360069
Status: Certified / Operation & Maintenance
PLESSEY #3 2256 MORA DRIVE NNE 1/2 - 1 (0.504 mi.) P76 27 Facility Id: 43360135
Status: No Further Action
TRW/VIDAR 77 ORTEGA AVENUE NNE 1/2 - 1 (0.512 mi.) O77 27 Facility Id: 43360128
Status: Certified O&M - Land Use Restrictions Only
MORA DRIVE 2221-2291 MORA DRIVE NNE 1/2 - 1 (0.519 mi.) P78 27 Facility Id: 60002502
Status: Active
PROPOSED SAN ANTONIO 435 SAN ANTONIO ROAD NNW 1/2 - 1 (0.616 mi.) 79 28 Facility Id: 60002949
Status: Active
MVSA 225 SAN ANTONIO ROAD NNW 1/2 - 1 (0.683 mi.) 81 29 Facility Id: 60002855
Status: Active
JASCO CHEMICAL CORP. 1710 VILLA ST E 1/2 - 1 (0.887 mi.) S83 30 Facility Id: 43280119
Status: Refer: RWQCB
State and tribal leaking storage tank lists
LUST: A review of the LUST list, as provided by EDR, has revealed that there are 8 LUST sites within approximately 0.5 miles of the target property.

Equal/Higher Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ WALTER’S FLOORS 5084 EL CAMINO REAL E 0 - 1/8 (0.099 mi.) E31 15 Database: LUST REG 2, Date of Government Version: 09/30/2004 Database: LUST SANTA CLARA, Date of Government Version: 03/03/2014 Database: LUST, Date of Government Version: 06/08/2020
Status: Completed - Case Closed
Facility Status: Case Closed
Date Closed: 04/12/1996
Global Id: T0608501552
1403
Agenda Item # 10.

EXECUTIVE SUMMARY
TC6253537.2s EXECUTIVE SUMMARY 9
SCVWD ID: 06S2W20G01F
date9: 4/12/1996
Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ DIGAS 555 SHOWERS DR NNW 1/4 - 1/2 (0.327 mi.) L59 21
Database: LUST REG 2, Date of Government Version: 09/30/2004 Facility Status: Case Closed
date9: 9/17/1997
TARGET T0322 555 SHOWERS DR NNW 1/4 - 1/2 (0.327 mi.) L60 21 Database: LUST SANTA CLARA, Date of Government Version: 03/03/2014 Database: LUST, Date of Government Version: 06/08/2020
Status: Completed - Case Closed
Date Closed: 09/17/1997
Global Id: T0608500515
SCVWD ID: 06S2W20C02F
LOS ALTOS GARDEN SUP 4730 EL CAMINO REAL NW 1/4 - 1/2 (0.382 mi.) M61 22 Database: LUST REG 2, Date of Government Version: 09/30/2004 Facility Id: 43-2112
Facility Status: Case Closed
date9: 4/29/1996
LOS ALTOS GARDEN SUP 4730 EL CAMINO REAL NW 1/4 - 1/2 (0.382 mi.) M62 22 Database: LUST, Date of Government Version: 06/08/2020
Status: Completed - Case Closed
Global Id: T0608501940
UNOCAL #4918 895 N. SAN ANTONIO R WNW 1/4 - 1/2 (0.461 mi.) N64 22 Database: LUST REG 2, Date of Government Version: 09/30/2004 Database: LUST SANTA CLARA, Date of Government Version: 03/03/2014 Database: LUST, Date of Government Version: 06/08/2020
Status: Completed - Case Closed
Facility Status: Pollution Characterization
Date Closed: 03/11/2013
Global Id: T0608500150
SCVWD ID: 06S2W20E01F
QUALITY TUNE-UP #1 2580 EL CAMINO REAL NW 1/4 - 1/2 (0.481 mi.) Q67 24 Database: LUST REG 2, Date of Government Version: 09/30/2004 Facility Status: Case Closed
date9: 9/30/1996
QUALITY TUNE-UP #1 2580 EL CAMINO REAL NW 1/4 - 1/2 (0.481 mi.) Q68 24 Database: LUST SANTA CLARA, Date of Government Version: 03/03/2014 Database: LUST, Date of Government Version: 06/08/2020
Status: Completed - Case Closed
Date Closed: 09/30/1996
Global Id: T0608501080
SCVWD ID: 06S2W20D01F
1404
Agenda Item # 10.

EXECUTIVE SUMMARY
TC6253537.2s EXECUTIVE SUMMARY 10
CPS-SLIC: A review of the CPS-SLIC list, as provided by EDR, has revealed that there are 3 CPS-SLIC sites within approximately 0.5 miles of the target property.

Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ ONE HOUR CLEANERS 580 RENGSTORFF AVE N ENE 1/8 - 1/4 (0.237 mi.) 56 20 Database: SLIC REG 2, Date of Government Version: 09/30/2004 Database: CPS-SLIC, Date of Government Version: 06/08/2020 Facility Status: Completed - Case Closed
Facility Id: SLT2O111117
Global Id: SLT2O111117
IRM COST SHARING SIT 2520 CALIFORNIA STRE N 1/4 - 1/2 (0.497 mi.) 71 25 Database: SLIC REG 2, Date of Government Version: 09/30/2004 Database: CPS-SLIC, Date of Government Version: 06/08/2020 Facility Status: Open - Verification Monitoring
Facility Id: SL18311731
Global Id: SL18311731
PLESSEY INC. NPDES 2294 MORA DR NNE 1/4 - 1/2 (0.499 mi.) O72 25 Database: CPS-SLIC, Date of Government Version: 06/08/2020 Facility Status: Completed - Case Closed
Global Id: SL0608508217
HIST LUST: A review of the HIST LUST list, as provided by EDR, and dated 03/29/2005 has revealed that there are 4 HIST LUST sites within approximately 0.5 miles of the target property.

Equal/Higher Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ WALTER’S FLOORS 5084 EL CAMINO REAL E 0 - 1/8 (0.099 mi.) E31 15 SCVWD ID: 06S2W20G01
Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ DIGAS 555 SHOWERS DR NNW 1/4 - 1/2 (0.327 mi.) L59 21
SCVWD ID: 06S2W20C02
UNOCAL #4918 895 N. SAN ANTONIO R WNW 1/4 - 1/2 (0.461 mi.) N64 22 SCVWD ID: 06S2W20E01
QUALITY TUNE-UP #1 2580 EL CAMINO REAL NW 1/4 - 1/2 (0.481 mi.) Q67 24 SCVWD ID: 06S2W20D01
State and tribal voluntary cleanup sites
VCP: A review of the VCP list, as provided by EDR, and dated 07/27/2020 has revealed that there is 1 VCP site within approximately 0.5 miles of the target property.

Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ FORMER PLATINUM CLEA 2290 WEST EL CAMINO NE 0 - 1/8 (0.054 mi.) D19 13 Status: Certified
1405
Agenda Item # 10.

EXECUTIVE SUMMARY
TC6253537.2s EXECUTIVE SUMMARY 11
Facility Id: 60002117

ADDITIONAL ENVIRONMENTAL RECORDS
Local Lists of Hazardous waste / Contaminated Sites
HIST Cal-Sites: A review of the HIST Cal-Sites list, as provided by EDR, and dated 08/08/2005 has revealed that there are 2 HIST Cal-Sites sites within approximately 1 mile of the target property.

Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ PLESSEY MICRO SCIENC 2274 MORA DR NNE 1/2 - 1 (0.502 mi.) R74 25 JASCO CHEMICAL CO 1710 VILLA STREET E 1/2 - 1 (0.887 mi.) S84 30 CERS HAZ WASTE: A review of the CERS HAZ WASTE list, as provided by EDR, and dated 07/20/2020 has revealed that there are 2 CERS HAZ WASTE sites within approximately 0.25 miles of the target property.

Equal/Higher Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ SUTTER BAY MEDICAL F 370 DISTEL CL SSE 0 - 1/8 (0.035 mi.) B16 12 Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ BOSTON PROPERTIES, L 2440 EL CAMINO REAL NNW 1/8 - 1/4 (0.196 mi.) I48 19 Local Lists of Registered Storage Tanks
SWEEPS UST: A review of the SWEEPS UST list, as provided by EDR, and dated 06/01/1994 has revealed that there are 3 SWEEPS UST sites within approximately 0.25 miles of the target property.

Equal/Higher Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ DOLLAR RENT A CAR 4294 EL CAMINO REAL ESE 1/8 - 1/4 (0.226 mi.) H53 19 Status: A
Tank Status: A
Comp Number: 36672
Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ TAYLOR RENTAL 2246 W EL CAMINO REA ENE 0 - 1/8 (0.102 mi.) E32 15 Comp Number: 4662
JOHN PEAR 410 ORTEGA AVE N 1/8 - 1/4 (0.192 mi.) G44 18 Comp Number: 48011
1406
Agenda Item # 10.

EXECUTIVE SUMMARY
TC6253537.2s EXECUTIVE SUMMARY 12
HIST UST: A review of the HIST UST list, as provided by EDR, and dated 10/15/1990 has revealed that there are 3 HIST UST sites within approximately 0.25 miles of the target property.

Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ TAYLOR RENTAL 2246 W EL CAMINO REA ENE 0 - 1/8 (0.102 mi.) E32 15 B & H EQUIPMENT CO 2246 W EL CAMINO REA ENE 0 - 1/8 (0.102 mi.) E35 16 Facility Id: 00000004662
JOHN PEAR 410 ORTEGA AVE N 1/8 - 1/4 (0.192 mi.) G43 18 Facility Id: 00000048011
CA FID UST: A review of the CA FID UST list, as provided by EDR, and dated 10/31/1994 has revealed that there are 3 CA FID UST sites within approximately 0.25 miles of the target property.

Equal/Higher Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ DOLLAR RENT A CAR 4294 EL CAMINO REAL ESE 1/8 - 1/4 (0.226 mi.) H53 19 Facility Id: 43012037
Status: A
Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ TAYLOR RENTAL 2246 W EL CAMINO REA ENE 0 - 1/8 (0.102 mi.) E32 15 Facility Id: 43004443
Status: A
JOHN PEAR 410 ORTEGA AVE N 1/8 - 1/4 (0.192 mi.) G44 18 Facility Id: 43011926
Status: I
Other Ascertainable Records
RCRA NonGen / NLR: A review of the RCRA NonGen / NLR list, as provided by EDR, and dated 06/15/2020 has revealed that there are 14 RCRA NonGen / NLR sites within approximately 0.25 miles of the target property.

Equal/Higher Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ SUTTER BAY MEDICAL F 370 DISTEL CIR SE 0 - 1/8 (0.043 mi.) B17 12 EPA ID:: CAL000093164
728 PANCHITA LLC 728 PANCHITA WAY SSW 0 - 1/8 (0.118 mi.) F36 16 EPA ID:: CAC003018628
MIKE RYAN 722 PANCHITA WAY SSW 1/8 - 1/4 (0.134 mi.) F39 17 EPA ID:: CAC002980951
NATUROPATHIC OPTIONS 5150 EL CAMINO REAL ESE 1/8 - 1/4 (0.195 mi.) H45 18 EPA ID:: CAL000441379
MARTIN DAVIDSSON 646 PANCHITA WAY SSW 1/8 - 1/4 (0.230 mi.) J54 20 EPA ID:: CAC002965123
MARTIN DAVIDSSON 646 PANCHITA WAY SSW 1/8 - 1/4 (0.230 mi.) J55 20 1407
Agenda Item # 10.

EXECUTIVE SUMMARY
TC6253537.2s EXECUTIVE SUMMARY 13
EPA ID:: CAC002982432
Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ SKYLINE HEIGHTS LLC 4970 EL CAMINO REAL NNW 0 - 1/8 (0.047 mi.) C18 12 EPA ID:: CAC003034547
PERFORMANCE BICYCLE 2124 W EL CAMINO REA E 0 - 1/8 (0.118 mi.) E37 16 EPA ID:: CAL000322954
INNOVUSION, INC. 4920 EL CAMINO REAL, WNW 0 - 1/8 (0.123 mi.) 38 17 EPA ID:: CAC003016057
LATHAM SQUARE APARTM 2250 LATHAM ST NE 1/8 - 1/4 (0.157 mi.) 40 17 EPA ID:: CAL000280916
HEATH, RICHARD 2280 LAYTHM STREET # NNE 1/8 - 1/4 (0.168 mi.) 41 17 EPA ID:: CAC002999920
BXP WEST EL CAMINO L 2440 W EL CAMINO REA NNW 1/8 - 1/4 (0.196 mi.) I46 18 EPA ID:: CAL000370939
CANDIDA MALFERRARI 400 ORTEGA AVE N 1/8 - 1/4 (0.216 mi.) G52 19 EPA ID:: CAC002966813
JUHYONG YI DDS PRIME 4846 EL CAMINO REAL NW 1/8 - 1/4 (0.242 mi.) K58 21 EPA ID:: CAL000333242
ROD: A review of the ROD list, as provided by EDR, and dated 07/29/2020 has revealed that there is 1 ROD site within approximately 1 mile of the target property.

Equal/Higher Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ JASCO CHEM CORP 1710 VILLA ST E 1/2 - 1 (0.880 mi.) 0 11 EPA ID:: CAD009103318
CA BOND EXP. PLAN: A review of the CA BOND EXP. PLAN list, as provided by EDR, and dated 01/01/1989 has revealed that there are 2 CA BOND EXP. PLAN sites within approximately 1 mile of the target property.

Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ PLESSEY MICRO SCIENC 2274 MORA DRIVE NNE 1/2 - 1 (0.502 mi.) R73 25 JASCO CHEMICAL CORPO 1710 VILLA STREET E 1/2 - 1 (0.887 mi.) S85 30 Cortese: A review of the Cortese list, as provided by EDR, and dated 06/22/2020 has revealed that there are 5 Cortese sites within approximately 0.5 miles of the target property.

Equal/Higher Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ WALTER’S FLOORS 5084 EL CAMINO REAL E 0 - 1/8 (0.099 mi.) E31 15 Cleanup Status: COMPLETED - CASE CLOSED
Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ DIGAS 555 SHOWERS DR NNW 1/4 - 1/2 (0.327 mi.) L59 21
1408
Agenda Item # 10.

EXECUTIVE SUMMARY
TC6253537.2s EXECUTIVE SUMMARY 14
Cleanup Status: COMPLETED - CASE CLOSED
LOS ALTOS GARDEN SUP 4730 EL CAMINO REAL NW 1/4 - 1/2 (0.382 mi.) M61 22 Cleanup Status: COMPLETED - CASE CLOSED
UNOCAL #4918 895 N. SAN ANTONIO R WNW 1/4 - 1/2 (0.461 mi.) N64 22 Cleanup Status: COMPLETED - CASE CLOSED
QUALITY TUNE-UP #1 2580 EL CAMINO REAL NW 1/4 - 1/2 (0.481 mi.) Q67 24 Cleanup Status: COMPLETED - CASE CLOSED
CUPA Listings: A review of the CUPA Listings list, as provided by EDR, has revealed that there are 17 CUPA Listings sites within approximately 0.25 miles of the target property.

Equal/Higher Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ PALO ALTO MEDICAL FO 370 DISTEL CL SSE 0 - 1/8 (0.035 mi.) B15 12 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 QSECURE 333 DISTEL CL SE 0 - 1/8 (0.070 mi.) B29 15
Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 DOLLAR RENT A CAR 4294 EL CAMINO REAL ESE 1/8 - 1/4 (0.226 mi.) H53 19 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ R2 TECHNOLOGY INC 325 DISTEL CL ESE 0 - 1/8 (0.013 mi.) A14 12 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 PURE CLEANERS 2290 EL CAMINO REAL NE 0 - 1/8 (0.054 mi.) D20 13 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 PLATINUM CLEANERS 2290 W EL CAMINO REA NE 0 - 1/8 (0.054 mi.) D21 13 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 DELIA’S CLEANERS 2290 W EL CAMINO REA NE 0 - 1/8 (0.054 mi.) D23 13 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 AVANTE 5050 EL CAMINO REAL E 0 - 1/8 (0.054 mi.) D26 14 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 FOOTHILL CHIROPRACTI 5050 EL CAMINO REAL E 0 - 1/8 (0.054 mi.) D27 14 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 SPINAL & SPORTS CARE 2200 EL CAMINO REAL ENE 0 - 1/8 (0.084 mi.) E30 15 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 UNITED RENTALS NORTH 2246 W EL CAMINO REA ENE 0 - 1/8 (0.102 mi.) E34 16 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 JACK IN THE BOX #042 4896 EL CAMINO REAL NW 1/8 - 1/4 (0.191 mi.) 42 17 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 BP WEST EL CAMINO LL 2440 W EL CAMINO REA NNW 1/8 - 1/4 (0.196 mi.) I47 18 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 ALPINE ANIMAL HOSPIT 2460 W EL CAMINO REA NW 1/8 - 1/4 (0.202 mi.) I49 19 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 ALPINE ANIMAL HOSPIT 2460 W EL CAMINO REA NW 1/8 - 1/4 (0.202 mi.) I50 19 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 ALPINE ANIMAL HOSPIT 2460 EL CAMINO REAL NW 1/8 - 1/4 (0.202 mi.) I51 19 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 1409
Agenda Item # 10.

EXECUTIVE SUMMARY
TC6253537.2s EXECUTIVE SUMMARY 15
Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ PRIME DENTAL CARE 4846 EL CAMINO REAL NW 1/8 - 1/4 (0.242 mi.) K57 21 Database: CUPA SANTA CLARA, Date of Government Version: 05/08/2020 DRYCLEANERS: A review of the DRYCLEANERS list, as provided by EDR, has revealed that there are 3 DRYCLEANERS sites within approximately 0.25 miles of the target property.

Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ DELIA’S CLEANERS INC 2290 W EL CAMINO REA NE 0 - 1/8 (0.054 mi.) D22 13 Database: DRYCLEANERS, Date of Government Version: 06/04/2020 EPA Id: CAR000063586
PURE CLEANERS 2290-A EL CAMINO REA N 0 - 1/8 (0.063 mi.) C28 14 Database: DRYCLEANERS, Date of Government Version: 06/04/2020 EPA Id: CAL000287343
ONE HOUR CLEANERS 580 RENGSTORFF AVE N ENE 1/8 - 1/4 (0.237 mi.) 56 20 Database: DRYCLEANERS, Date of Government Version: 06/04/2020 EPA Id: CAD981632219
HIST CORTESE: A review of the HIST CORTESE list, as provided by EDR, and dated 04/01/2001 has revealed that there are 6 HIST CORTESE sites within approximately 0.5 miles of the target property. property.

Equal/Higher Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ WALTER’S FLOORS 5084 EL CAMINO REAL E 0 - 1/8 (0.099 mi.) E31 15 Reg Id: 43-1594
Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ TARGET T0322 555 SHOWERS DR NNW 1/4 - 1/2 (0.327 mi.) L60 21 Reg Id: 43-0468
LOS ALTOS GARDEN SUP 4730 EL CAMINO REAL NW 1/4 - 1/2 (0.382 mi.) M61 22 Reg Id: 43-2112
UNOCAL 895 SAN ANTONIO WNW 1/4 - 1/2 (0.461 mi.) N63 22 Reg Id: 43-0082
QUALITY TUNE-UP #1 2580 EL CAMINO REAL NW 1/4 - 1/2 (0.481 mi.) Q67 24 Reg Id: 43-1088
SYMTRON CORP. 22352245 MORA DR NNE 1/4 - 1/2 (0.484 mi.) R69 24 Reg Id: 43360124
1410
Agenda Item # 10.

EXECUTIVE SUMMARY
TC6253537.2s EXECUTIVE SUMMARY 16
Notify 65: A review of the Notify 65 list, as provided by EDR, and dated 08/21/2020 has revealed that there is 1 Notify 65 site within approximately 1 mile of the target property.

Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ SHELL SERVICE STATIO 110 N RENGSTORFF NE 1/2 - 1 (0.653 mi.) 80 28

EDR HIGH RISK HISTORICAL RECORDS
EDR Exclusive Records
EDR Hist Cleaner: A review of the EDR Hist Cleaner list, as provided by EDR, has revealed that there is 1 EDR Hist Cleaner site within approximately 0.125 miles of the target property.

Lower Elevation Address Direction / Distance Map ID Page ____________________ ________ ___________________ _____ _____ DCI MANAGEMENT GROUP 2290 W EL CAMINO REA NE 0 - 1/8 (0.054 mi.) D24 14 1411
Agenda Item # 10.

EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc. ORPHAN SUMMARY City EDR ID Site Name Site Address Zip Database(s) Count: 1 records.

MOUNTAIN VIEW S125742963 BEST BUY #0685 715 EL CAMINO REAL EAST 94040 CERS HAZ WASTE TC6253537.2s Page 327
1412
Agenda Item # 10.

EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc. 8 0
40 40
4 0
1 6 0
1 6 0
120
120
1 2 0
80 8 0
80 1413
Agenda Item # 10.

EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc. 1414
Agenda Item # 10.

EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.

MAP FINDINGS SUMMARY
Search
Distance Target Total
Database Property (Miles) < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted

STANDARD ENVIRONMENTAL RECORDS
Federal NPL site list
NPL 1.000 0 0 0 1 NR 1
Proposed NPL 1.000 0 0 0 0 NR 0
NPL LIENS 1.000 0 0 0 0 NR 0
Federal Delisted NPL site list
Delisted NPL 1.000 0 0 0 0 NR 0
Federal CERCLIS list
FEDERAL FACILITY 0.500 0 0 0 NR NR 0
SEMS 0.500 0 0 0 NR NR 0
Federal CERCLIS NFRAP site list
SEMS-ARCHIVE 0.500 0 0 0 NR NR 0
Federal RCRA CORRACTS facilities list
CORRACTS 1.000 0 0 0 0 NR 0
Federal RCRA non-CORRACTS TSD facilities list
RCRA-TSDF 0.500 0 0 0 NR NR 0
Federal RCRA generators list
RCRA-LQG 0.250 0 0 NR NR NR 0
RCRA-SQG 0.250 2 0 NR NR NR 2
RCRA-VSQG 0.250 0 0 NR NR NR 0
Federal institutional controls /
engineering controls registries
LUCIS 0.500 0 0 0 NR NR 0
US ENG CONTROLS 0.500 0 0 0 NR NR 0
US INST CONTROLS 0.500 0 0 0 NR NR 0
Federal ERNS list
ERNS TP NR NR NR NR NR 0
State- and tribal - equivalent NPL
RESPONSE 1.000 0 0 3 3 NR 6
State- and tribal - equivalent CERCLIS
ENVIROSTOR 1.000 1 0 3 8 NR 12
State and tribal landfill and/or
solid waste disposal site lists
SWF/LF 0.500 0 0 0 NR NR 0
State and tribal leaking storage tank lists
LUST 0.500 1 0 7 NR NR 8
TC6253537.2s Page 4 1415
Agenda Item # 10.

MAP FINDINGS SUMMARY
Search
Distance Target Total
Database Property (Miles) < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted INDIAN LUST 0.500 0 0 0 NR NR 0
CPS-SLIC 0.500 0 1 2 NR NR 3
HIST LUST 0.500 1 0 3 NR NR 4
State and tribal registered storage tank lists
FEMA UST 0.250 0 0 NR NR NR 0
UST 0.250 0 0 NR NR NR 0
AST 0.250 0 0 NR NR NR 0
INDIAN UST 0.250 0 0 NR NR NR 0
State and tribal voluntary cleanup sites
INDIAN VCP 0.500 0 0 0 NR NR 0
VCP 0.500 1 0 0 NR NR 1
State and tribal Brownfields sites
BROWNFIELDS 0.500 0 0 0 NR NR 0

ADDITIONAL ENVIRONMENTAL RECORDS
Local Brownfield lists
US BROWNFIELDS 0.500 0 0 0 NR NR 0
Local Lists of Landfill / Solid
Waste Disposal Sites
WMUDS/SWAT 0.500 0 0 0 NR NR 0
SWRCY 0.500 0 0 0 NR NR 0
HAULERS TP NR NR NR NR NR 0
INDIAN ODI 0.500 0 0 0 NR NR 0
ODI 0.500 0 0 0 NR NR 0
DEBRIS REGION 9 0.500 0 0 0 NR NR 0
IHS OPEN DUMPS 0.500 0 0 0 NR NR 0
Local Lists of Hazardous waste /
Contaminated Sites
US HIST CDL TP NR NR NR NR NR 0
HIST Cal-Sites 1.000 0 0 0 2 NR 2
SCH 0.250 0 0 NR NR NR 0
CDL TP NR NR NR NR NR 0
CERS HAZ WASTE 0.250 1 1 NR NR NR 2
Toxic Pits 1.000 0 0 0 0 NR 0
US CDL TP NR NR NR NR NR 0
PFAS 0.500 0 0 0 NR NR 0
Local Lists of Registered Storage Tanks
SWEEPS UST 0.250 1 2 NR NR NR 3
HIST UST 0.250 2 1 NR NR NR 3
CERS TANKS 0.250 0 0 NR NR NR 0
CA FID UST 0.250 1 2 NR NR NR 3
Local Land Records
LIENS TP NR NR NR NR NR 0
TC6253537.2s Page 5 1416
Agenda Item # 10.

MAP FINDINGS SUMMARY
Search
Distance Target Total
Database Property (Miles) < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted LIENS 2 TP NR NR NR NR NR 0
DEED 0.500 0 0 0 NR NR 0
Records of Emergency Release Reports
HMIRS TP NR NR NR NR NR 0
CHMIRS TP NR NR NR NR NR 0
LDS TP NR NR NR NR NR 0
MCS TP NR NR NR NR NR 0
SPILLS 90 TP NR NR NR NR NR 0
Other Ascertainable Records
RCRA NonGen / NLR 0.250 5 9 NR NR NR 14
FUDS 1.000 0 0 0 0 NR 0
DOD 1.000 0 0 0 0 NR 0
SCRD DRYCLEANERS 0.500 0 0 0 NR NR 0
US FIN ASSUR TP NR NR NR NR NR 0
EPA WATCH LIST TP NR NR NR NR NR 0
2020 COR ACTION 0.250 0 0 NR NR NR 0
TSCA TP NR NR NR NR NR 0
TRIS TP NR NR NR NR NR 0
SSTS TP NR NR NR NR NR 0
ROD 1.000 0 0 0 1 NR 1
RMP TP NR NR NR NR NR 0
RAATS TP NR NR NR NR NR 0
PRP TP NR NR NR NR NR 0
PADS TP NR NR NR NR NR 0
ICIS TP NR NR NR NR NR 0
FTTS TP NR NR NR NR NR 0
MLTS TP NR NR NR NR NR 0
COAL ASH DOE TP NR NR NR NR NR 0
COAL ASH EPA 0.500 0 0 0 NR NR 0
PCB TRANSFORMER TP NR NR NR NR NR 0
RADINFO TP NR NR NR NR NR 0
HIST FTTS TP NR NR NR NR NR 0
DOT OPS TP NR NR NR NR NR 0
CONSENT 1.000 0 0 0 0 NR 0
INDIAN RESERV 1.000 0 0 0 0 NR 0
FUSRAP 1.000 0 0 0 0 NR 0
UMTRA 0.500 0 0 0 NR NR 0
LEAD SMELTERS TP NR NR NR NR NR 0
US AIRS TP NR NR NR NR NR 0
US MINES 0.250 0 0 NR NR NR 0
ABANDONED MINES 0.250 0 0 NR NR NR 0
FINDS TP 1 NR NR NR NR NR 1
ECHO TP NR NR NR NR NR 0
DOCKET HWC TP NR NR NR NR NR 0
UXO 1.000 0 0 0 0 NR 0
FUELS PROGRAM 0.250 0 0 NR NR NR 0
CA BOND EXP. PLAN 1.000 0 0 0 2 NR 2
Cortese 0.500 1 0 4 NR NR 5
CUPA Listings 0.250 10 7 NR NR NR 17
TC6253537.2s Page 6 1417
Agenda Item # 10.

MAP FINDINGS SUMMARY
Search
Distance Target Total
Database Property (Miles) < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted DRYCLEANERS 0.250 2 1 NR NR NR 3
EMI TP NR NR NR NR NR 0
ENF TP NR NR NR NR NR 0
Financial Assurance TP NR NR NR NR NR 0
HAZNET TP 7 NR NR NR NR NR 7
ICE TP NR NR NR NR NR 0
HIST CORTESE 0.500 1 0 5 NR NR 6
HWP 1.000 0 0 0 0 NR 0
HWT 0.250 0 0 NR NR NR 0
MINES 0.250 0 0 NR NR NR 0
MWMP 0.250 0 0 NR NR NR 0
NPDES TP NR NR NR NR NR 0
PEST LIC TP 1 NR NR NR NR NR 1
PROC 0.500 0 0 0 NR NR 0
Notify 65 1.000 0 0 0 1 NR 1
HAZMAT 0.250 0 0 NR NR NR 0
UIC TP NR NR NR NR NR 0
UIC GEO TP NR NR NR NR NR 0
WASTEWATER PITS 0.500 0 0 0 NR NR 0
WDS TP NR NR NR NR NR 0
WIP 0.250 0 0 NR NR NR 0
MILITARY PRIV SITES TP NR NR NR NR NR 0
PROJECT TP NR NR NR NR NR 0
WDR TP NR NR NR NR NR 0
CIWQS TP 2 NR NR NR NR NR 2
CERS TP NR NR NR NR NR 0
NON-CASE INFO TP NR NR NR NR NR 0
OTHER OIL GAS TP NR NR NR NR NR 0
PROD WATER PONDS TP NR NR NR NR NR 0
SAMPLING POINT TP NR NR NR NR NR 0
WELL STIM PROJ TP NR NR NR NR NR 0
MINES MRDS TP NR NR NR NR NR 0
HWTS TP 9 NR NR NR NR NR 9

EDR HIGH RISK HISTORICAL RECORDS
EDR Exclusive Records
EDR MGP 1.000 0 0 0 0 NR 0
EDR Hist Auto 0.125 0 NR NR NR NR 0
EDR Hist Cleaner 0.125 1 NR NR NR NR 1

EDR RECOVERED GOVERNMENT ARCHIVES
Exclusive Recovered Govt. Archives
RGA LF TP NR NR NR NR NR 0
RGA LUST TP NR NR NR NR NR 0
- Totals -- 20 31 24 27 18 0 120
TC6253537.2s Page 7 1418
Agenda Item # 10.

MAP FINDINGS SUMMARY
Search
Distance Target Total
Database Property (Miles) < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted NOTES:

TP = Target Property
NR = Not Requested at this Search Distance
Sites may be listed in more than one database
TC6253537.2s Page 8 1419
Agenda Item # 10.

TC6253537.2s Page 9
A5 1X MIDPENISULA REGIONAL OPEN SPACE DIST. S112839095 HAZNET Target 330 DISTEL CIRCLE HWTS N/A
Property LOS ALTOS, CA 94022
Actual:
86 ft.

Click here for full text details
HAZNET
GEPAID CAC000703192
A4 POND 07 AND 08 FINDS 1023261679
Target 330 DISTEL CIRCLE N/A
Property LOS ALTOS, CA 94022
Actual:
86 ft.

Click here for full text details
FINDS
Registry ID: 110065510593
A3 MIDPENINSULA REGIONAL OPEN SPACE DISTRICT S121655643 CIWQS Target 330 DISTEL CIRCLE N/A
Property WOODSIDE, CA 94022
Actual:
86 ft.

Click here for full text details
A2 US ARMY CORP OF ENGINEERS HAZNET S112958129
Target 330 DISTEL CIR HWTS N/A
Property LOS ALTOS, CA 94022
Actual:
86 ft.

Click here for full text details
HAZNET
GEPAID CAC002611256
A1 US ARMY CORP OF ENGINEERS HAZNET S112966161
Target 330 DISTEL CIR HWTS N/A
Property LOS ALTOS, CA 94022
Actual:
86 ft.

Click here for full text details
HAZNET
GEPAID CAC002624102
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1420
Agenda Item # 10.

TC6253537.2s Page 10
A10 MIDPENINSULA REGIONAL OPEN SPACE DISTRICT S124618111 HWTS Target 330 DISTEL CIR N/A
Property LOS ALTOS, CA 94022
Actual:
86 ft.

Click here for full text details
A9 MICHAEL J BANKOSH PEST LIC S117651022
Target 330 DISTEL CIR N/A
Property LOS ALTOS, CA 94022
Actual:
86 ft.

Click here for full text details
A8 US ARMY CORPS OF ENGINEERS HWTS S124597180
Target 330 DISTEL CIR N/A
Property LOS ALTOS, CA 94022
Actual:
86 ft.

Click here for full text details
A7 ALMADN AIR FORCE STATION HAZNET S112974609
Target 330 DISTEL CIR HWTS N/A
Property LOS ALTOS, CA 94022
Actual:
86 ft.

Click here for full text details
HAZNET
GEPAID CAC002637235
A6 MIDPENISULA REGIONAL OPEN SPACE DISTRICT S112982650 HAZNET Target 330 DISTEL CIR HWTS N/A
Property LOS ALTOS, CA 94022
Actual:
86 ft.

Click here for full text details
HAZNET
GEPAID CAC002661612
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1421
Agenda Item # 10.

TC6253537.2s Page 11
NPL JASCO CHEM CORP NPL 1000175646
Region 1710 VILLA ST SEMS CAD009103318
East MOUNTAIN VIEW, CA 94043 RCRA-SQG
Click here for full text details
1/2-1 US ENG CONTROLS
4647 ft. US INST CONTROLS
ROD
PRP
NPL
Cerclis ID: 901126
EPA Id CAD009103318
SEMS
Site ID 0901126
EPA Id CAD009103318

RCRA-SQG
EPA Id CAD009103318

US ENG CONTROLS
EPA ID: CAD009103318
EPA ID: CAD009103318

US INST CONTROLS
A13 MIDPENISULA REGIONAL OPEN SPACE DIST. S112950602 HAZNET Target 330 DISTEL CIR HWTS N/A
Property LOS ALTOS, CA 94022
Actual:
86 ft.

Click here for full text details
HAZNET
GEPAID CAC002599053
A12 POND 07 AND 08 CIWQS S121665109
Target 330 DISTEL CIRCLE N/A
Property LOS ALTOS, CA
Actual:
86 ft.

Click here for full text details
A11 US ARMY CORP OF ENGINEERS HAZNET S112973931
Target 330 DISTEL CIR HWTS N/A
Property LOS ALTOS, CA 94022
Actual:
86 ft.

Click here for full text details
HAZNET
GEPAID CAC002636173
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1422
Agenda Item # 10.

TC6253537.2s Page 12
C18 SKYLINE HEIGHTS LLC RCRA NonGen / NLR 1025854319
NNW 4970 EL CAMINO REAL CAC003034547
< 1/8 LOS ALTOS, CA 94022
Relative:

Lower
Click here for full text details

0.047 mi.
246 ft.

RCRA NonGen / NLR
EPA Id CAC003034547
B17 SUTTER BAY MEDICAL FOUNDATION/P.A.M.F 1024790845 RCRA NonGen / NLR SE 370 DISTEL CIR CAL000093164
< 1/8 LOS ALTOS, CA 94022
Relative:

Higher
Click here for full text details

0.043 mi.
227 ft.

RCRA NonGen / NLR
EPA Id CAL000093164
B16 SUTTER BAY MEDICAL FOUNDATION S123536968 CERS HAZ WASTE SSE 370 DISTEL CL N/A
< 1/8 LOS ALTOS, CA 94022
Relative:

Higher
Click here for full text details

0.035 mi.
187 ft.

B15 PALO ALTO MEDICAL FOUNDATION S112346406 CUPA Listings SSE 370 DISTEL CL N/A
< 1/8 LOS ALTOS, CA 94022
Relative:

Higher
Click here for full text details

0.035 mi.
187 ft.

A14 R2 TECHNOLOGY INC CUPA Listings S121471702
ESE 325 DISTEL CL N/A
< 1/8 LOS ALTOS, CA 94022
Relative:

Lower
Click here for full text details

0.013 mi.
71 ft.

JASCO CHEM CORP (Continued) 1000175646
EPA ID: CAD009103318
ROD
EPA ID: CAD009103318
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1423
Agenda Item # 10.

TC6253537.2s Page 13
D23 DELIA’S CLEANERS CUPA Listings S121468982
NE 2290 W EL CAMINO REAL N/A
< 1/8 MOUNTAIN VIEW, CA 94040
Relative:

Lower
Click here for full text details

0.054 mi.
284 ft.

D22 DELIA’S CLEANERS INC DRYCLEANERS S105808042
NE 2290 W EL CAMINO REAL STE 1 N/A
< 1/8 MOUNTAIN VIEW, CA 94040
Relative:

Lower
Click here for full text details

0.054 mi.
284 ft.

DRYCLEANERS
EPA Id CAR000063586
D21 PLATINUM CLEANERS CUPA Listings S121474423
NE 2290 W EL CAMINO REAL 1 N/A
< 1/8 MOUNTAIN VIEW, CA 94040
Relative:

Lower
Click here for full text details

0.054 mi.
284 ft.

D20 PURE CLEANERS CUPA Listings S121473049
NE 2290 EL CAMINO REAL A N/A
< 1/8 MOUNTAIN VIEW, CA 94040
Relative:

Lower
Click here for full text details

0.054 mi.
284 ft.

D19 FORMER PLATINUM CLEANERS ENVIROSTOR S113068127
NE 2290 WEST EL CAMINO REAL VCP N/A
< 1/8 MOUNTAIN VIEW, CA 94040
Relative:

Lower
Click here for full text details

0.054 mi.
284 ft.

ENVIROSTOR
Facility Id 60002117
Status Certified
VCP
Facility Id 60002117
Status Certified
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1424
Agenda Item # 10.

TC6253537.2s Page 14
C28 PURE CLEANERS DRYCLEANERS S106661672
North 2290-A EL CAMINO REAL HWTS N/A
< 1/8 MOUNTAIN VIEW, CA 94040
Relative:

Lower
Click here for full text details

0.063 mi.
335 ft.

DRYCLEANERS
EPA Id CAL000287343
D27 FOOTHILL CHIROPRACTIC GRP INC S121471355 CUPA Listings East 5050 EL CAMINO REAL #200 N/A
< 1/8 LOS ALTOS, CA 94022
Relative:

Lower
Click here for full text details

0.054 mi.
285 ft.

D26 AVANTE CUPA Listings S121468573
East 5050 EL CAMINO REAL 200 N/A
< 1/8 LOS ALTOS, CA 94022
Relative:

Lower
Click here for full text details

0.054 mi.
285 ft.

D25 DCI MANAGEMENT GROUP NO 77 RCRA-SQG 1001959756
NE 2290 EL CAMINO REAL NO 1 FINDS CAR000063586
< 1/8 MOUNTAIN VIEW, CA 94040 ECHO
Relative:

Lower
Click here for full text details

0.054 mi.
284 ft.

RCRA-SQG
EPA Id CAR000063586
FINDS
Registry ID: 110002931659
ECHO
Registry ID 110002931659
D24 DCI MANAGEMENT GROUP LTD EDR Hist Cleaner 1018893776 NE 2290 W EL CAMINO REAL N/A
< 1/8 MOUNTAIN VIEW, CA 94040
Relative:

Lower
Click here for full text details

0.054 mi.
284 ft.

Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1425
Agenda Item # 10.

TC6253537.2s Page 15
E32 TAYLOR RENTAL SWEEPS UST 1000847336
ENE 2246 W EL CAMINO REAL HIST UST N/A
< 1/8 MOUNTAIN VIEW, CA 94040 CA FID UST
Relative:

Lower
Click here for full text details

0.102 mi.
536 ft.

SWEEPS UST
Comp Number 4662

CA FID UST
E31 WALTER’S FLOORS LUST S103472901
East 5084 EL CAMINO REAL HIST LUST N/A
< 1/8 LOS ALTOS, CA 94022 Cortese
Relative:

Higher
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0.099 mi. HIST CORTESE
525 ft.

LUST
Date Closed 04/12/1996
Facility Status Case Closed
Status Completed - Case Closed
Global Id T0608501552
SCVWD ID 06S2W20G01F
date9 4/12/1996

HIST LUST
SCVWD ID 06S2W20G01
Cortese
Cleanup Status COMPLETED - CASE CLOSED

HIST CORTESE
Reg Id 43-1594
E30 SPINAL & SPORTS CARE CENTER CUPA Listings S121468969 ENE 2200 EL CAMINO REAL 8 N/A
< 1/8 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.084 mi.
443 ft.

B29 QSECURE CUPA Listings S121474784
SE 333 DISTEL CL N/A
< 1/8 LOS ALTOS, CA 94022
Relative:

Higher
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0.070 mi.
370 ft.

Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1426
Agenda Item # 10.

TC6253537.2s Page 16
E37 PERFORMANCE BICYCLE SHOP #77 1024817874 RCRA NonGen / NLR East 2124 W EL CAMINO REAL CAL000322954
< 1/8 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.118 mi.
623 ft.

RCRA NonGen / NLR
EPA Id CAL000322954
F36 728 PANCHITA LLC RCRA NonGen / NLR 1025839030
SSW 728 PANCHITA WAY CAC003018628
< 1/8 LOS ALTOS, CA 94022
Relative:

Higher
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0.118 mi.
622 ft.

RCRA NonGen / NLR
EPA Id CAC003018628
E35 B & H EQUIPMENT CO HIST UST U001594302
ENE 2246 W EL CAMINO REAL N/A
< 1/8 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.102 mi.
536 ft.

HIST UST
Facility Id 00000004662
E34 UNITED RENTALS NORTHWEST INC S121468975 CUPA Listings ENE 2246 W EL CAMINO REAL N/A
< 1/8 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.102 mi.
536 ft.

E33 TAYLOR RENTALS RCRA-SQG 1000857773
ENE 2246 W EL CAMINO REAL CAD983672197
< 1/8 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.102 mi.
536 ft.

RCRA-SQG
EPA Id CAD983672197
TAYLOR RENTAL (Continued) 1000847336
Facility Id 43004443
Status A
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1427
Agenda Item # 10.

TC6253537.2s Page 17
42 JACK IN THE BOX #0421 CUPA Listings S120984140
NW 4896 EL CAMINO REAL CERS N/A
1/8-1/4 LOS ALTOS, CA 94022
Relative:

Lower
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0.191 mi.
1007 ft.
41 HEATH, RICHARD RCRA NonGen / NLR 1024779962
NNE 2280 LAYTHM STREET #9 CAC002999920
1/8-1/4 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.168 mi.
886 ft.

RCRA NonGen / NLR
EPA Id CAC002999920
40 LATHAM SQUARE APARTMENTS RCRA NonGen / NLR 1024808660 NE 2250 LATHAM ST CAL000280916
1/8-1/4 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.157 mi.
831 ft.

RCRA NonGen / NLR
EPA Id CAL000280916
F39 MIKE RYAN RCRA NonGen / NLR 1024761094
SSW 722 PANCHITA WAY CAC002980951
1/8-1/4 LOS ALTOS, CA 94022
Relative:

Higher
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0.134 mi.
706 ft.

RCRA NonGen / NLR
EPA Id CAC002980951
38 INNOVUSION, INC. RCRA NonGen / NLR 1025836469
WNW 4920 EL CAMINO REAL, STE 100 CAC003016057
< 1/8 LOS ALTOS, CA 94022
Relative:

Lower
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0.123 mi.
651 ft.

RCRA NonGen / NLR
EPA Id CAC003016057
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1428
Agenda Item # 10.

TC6253537.2s Page 18
I47 BP WEST EL CAMINO LLC, C/O BOS S112872600 CUPA Listings NNW 2440 W EL CAMINO REAL EMI N/A
1/8-1/4 MOUNTAIN VIEW, CA 94040 CERS
Relative:

Lower
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0.196 mi.
1034 ft.

EMI
Facility Id 21037
I46 BXP WEST EL CAMINO LP RCRA NonGen / NLR 1024832648
NNW 2440 W EL CAMINO REAL CAL000370939
1/8-1/4 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.196 mi.
1034 ft.

RCRA NonGen / NLR
EPA Id CAL000370939
H45 NATUROPATHIC OPTIONS RCRA NonGen / NLR 1024872731
ESE 5150 EL CAMINO REAL B14 CAL000441379
1/8-1/4 LOS ALTOS, CA 94022
Relative:

Higher
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0.195 mi.
1029 ft.

RCRA NonGen / NLR
EPA Id CAL000441379
G44 JOHN PEAR SWEEPS UST S101623001
North 410 ORTEGA AVE CA FID UST N/A
1/8-1/4 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.192 mi.
1015 ft.

SWEEPS UST
Comp Number 48011

CA FID UST
Facility Id 43011926
Status I
G43 JOHN PEAR HIST UST U001594320
North 410 ORTEGA AVE N/A
1/8-1/4 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.192 mi.
1015 ft.

HIST UST
Facility Id 00000048011
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1429
Agenda Item # 10.

TC6253537.2s Page 19
H53 DOLLAR RENT A CAR SWEEPS UST S101594618
ESE 4294 EL CAMINO REAL CA FID UST N/A
1/8-1/4 LOS ALTOS, CA 94022 CUPA Listings
Relative:

Higher
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0.226 mi. CERS
1192 ft.

SWEEPS UST
Status A
G52 CANDIDA MALFERRARI RCRA NonGen / NLR 1024747041
North 400 ORTEGA AVE CAC002966813
1/8-1/4 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.216 mi.
1139 ft.

RCRA NonGen / NLR
EPA Id CAC002966813
I51 ALPINE ANIMAL HOSPITAL CUPA Listings S112345282
NW 2460 EL CAMINO REAL N/A
1/8-1/4 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.202 mi.
1067 ft.

I50 ALPINE ANIMAL HOSPITAL CUPA Listings S121468997
NW 2460 W EL CAMINO REAL N/A
1/8-1/4 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.202 mi.
1067 ft.

I49 ALPINE ANIMAL HOSPITAL CUPA Listings S121473785
NW 2460 W EL CAMINO REAL HWTS N/A
1/8-1/4 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.202 mi.
1067 ft.

I48 BOSTON PROPERTIES, L.P. CERS HAZ WASTE S121742719
NNW 2440 EL CAMINO REAL WEST CERS N/A
1/8-1/4 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.196 mi.
1034 ft.

Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1430
Agenda Item # 10.

TC6253537.2s Page 20
56 ONE HOUR CLEANERS CPS-SLIC S102339621
ENE 580 RENGSTORFF AVE N DRYCLEANERS N/A
1/8-1/4 MOUNTAIN VIEW, CA 94040 CERS
Relative:

Lower
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0.237 mi.
1253 ft.

CPS-SLIC
Facility Status Completed - Case Closed
Facility Id SLT2O111117
Global Id SLT2O111117
Click here to access the California GeoTracker records for this facility

DRYCLEANERS
EPA Id CAD981632219
J55 MARTIN DAVIDSSON RCRA NonGen / NLR 1024762570
SSW 646 PANCHITA WAY CAC002982432
1/8-1/4 LOS ALTOS, CA 94022
Relative:

Higher
Click here for full text details

0.230 mi.
1216 ft.

RCRA NonGen / NLR
EPA Id CAC002982432
J54 MARTIN DAVIDSSON RCRA NonGen / NLR 1024745356
SSW 646 PANCHITA WAY CAC002965123
1/8-1/4 LOS ALTOS, CA 94022
Relative:

Higher
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0.230 mi.
1216 ft.

RCRA NonGen / NLR
EPA Id CAC002965123
DOLLAR RENT A CAR (Continued) S101594618
Tank Status A
Comp Number 36672

CA FID UST
Facility Id 43012037
Status A
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1431
Agenda Item # 10.

TC6253537.2s Page 21
L60 TARGET T0322 LUST S102428789
NNW 555 SHOWERS DR CERS HAZ WASTE N/A
1/4-1/2 MOUNTAIN VIEW, CA 94040 CUPA Listings
Relative:

Lower
Click here for full text details

0.327 mi. HIST CORTESE
1725 ft. CERS
LUST
Date Closed 09/17/1997
Status Completed - Case Closed
Global Id T0608500515
SCVWD ID 06S2W20C02F

HIST CORTESE
Reg Id 43-0468
L59 DIGAS LUST S100937119
NNW 555 SHOWERS DR HIST LUST N/A
1/4-1/2 MOUNTAIN VIEW, CA 94040 Cortese
Relative:

Lower
Click here for full text details

0.327 mi. CERS
1725 ft.

LUST
Facility Status Case Closed
date9 9/17/1997

HIST LUST
SCVWD ID 06S2W20C02
Cortese
Cleanup Status COMPLETED - CASE CLOSED
K58 JUHYONG YI DDS PRIME DENTAL CARE 1024820327 RCRA NonGen / NLR NW 4846 EL CAMINO REAL STE A CAL000333242
1/8-1/4 LOS ALTOS, CA 94022
Relative:

Lower
Click here for full text details

0.242 mi.
1277 ft.

RCRA NonGen / NLR
EPA Id CAL000333242
K57 PRIME DENTAL CARE CUPA Listings S112346487
NW 4846 EL CAMINO REAL #A N/A
1/8-1/4 LOS ALTOS, CA 94022
Relative:

Lower
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0.242 mi.
1277 ft.

Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1432
Agenda Item # 10.

TC6253537.2s Page 22
N64 UNOCAL #4918 LUST S103880863
WNW 895 N. SAN ANTONIO ROAD HIST LUST N/A
1/4-1/2 LOS ALTOS, CA 94022 Cortese
Relative:

Lower
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0.461 mi. CERS
2436 ft.

LUST
Date Closed 03/11/2013
Facility Status Pollution Characterization
Status Completed - Case Closed
Global Id T0608500150
N63 UNOCAL HIST CORTESE S105708738
WNW 895 SAN ANTONIO N/A
1/4-1/2 LOS ALTOS, CA 94202
Relative:

Lower
Click here for full text details

0.461 mi.
2436 ft.

HIST CORTESE
Reg Id 43-0082
M62 LOS ALTOS GARDEN SUPPLY LUST U001594147
NW 4730 EL CAMINO REAL HIST UST N/A
1/4-1/2 LOS ALTOS, CA 94022
Relative:

Lower
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0.382 mi.
2018 ft.

LUST
Status Completed - Case Closed
Global Id T0608501940

HIST UST
Facility Id 00000014086
M61 LOS ALTOS GARDEN SUPPLY LUST S102432747
NW 4730 EL CAMINO REAL Cortese N/A
1/4-1/2 LOS ALTOS, CA 94022 HIST CORTESE
Relative:

Lower
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0.382 mi. CERS
2018 ft.

LUST
Facility Status Case Closed
Facility Id 43-2112
date9 4/29/1996
Cortese
Cleanup Status COMPLETED - CASE CLOSED

HIST CORTESE
Reg Id 43-2112
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1433
Agenda Item # 10.

TC6253537.2s Page 23
P66 SYMTRON CORP MOUNTAIN VIEW DIV 1000420286 RCRA-SQG
NNE 2235 MORA DR RESPONSE CAD000819821
1/4-1/2 MOUNTAIN VIEW, CA 94040 ENVIROSTOR
Relative:

Lower
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0.476 mi. FINDS
2515 ft. ECHO
CERS

RCRA-SQG
EPA Id CAD000819821

RESPONSE
Status No Further Action
Facility Id 43360124

ENVIROSTOR
Facility Id 43360124
Status No Further Action
FINDS
Registry ID: 110002146375
ECHO
Registry ID 110002146375
O65 SYMTRON #2 RESPONSE S103623014
NNE 111 ORTEGA AVENUE ENVIROSTOR N/A
1/4-1/2 MOUNTAIN VIEW, CA 94040 CERS
Relative:

Lower
Click here for full text details

0.473 mi.
2500 ft.

RESPONSE
Status No Further Action
Facility Id 43360130

ENVIROSTOR
Facility Id 43360130
Status No Further Action
UNOCAL #4918 (Continued) S103880863
SCVWD ID 06S2W20E01F

HIST LUST
SCVWD ID 06S2W20E01
Cortese
Cleanup Status COMPLETED - CASE CLOSED
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1434
Agenda Item # 10.

TC6253537.2s Page 24
P70 PLESSEY #2 RESPONSE S103883832
NNE 2251, 2257, 2283 AND 2287 MORA DRIVE N/A ENVIROSTOR 1/4-1/2 MOUNTAIN VIEW, CA 94040 CERS
Relative:

Lower
Click here for full text details

0.485 mi.
2562 ft.

RESPONSE
Status No Further Action
Facility Id 43360131

ENVIROSTOR
R69 SYMTRON CORP. HIST CORTESE S105025102
NNE 22352245 MORA DR N/A
1/4-1/2 MOUNTAIN VIEW, CA 94040
Relative:

Lower
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0.484 mi.
2557 ft.

HIST CORTESE
Reg Id 43360124
Q68 QUALITY TUNE-UP #1 LUST S105035627
NW 2580 EL CAMINO REAL CERS N/A
1/4-1/2 MOUNTAIN VIEW, CA 94040
Relative:

Lower
Click here for full text details

0.481 mi.
2538 ft.

LUST
Date Closed 09/30/1996
Status Completed - Case Closed
Global Id T0608501080
SCVWD ID 06S2W20D01F
Q67 QUALITY TUNE-UP #1 LUST S104396947
NW 2580 EL CAMINO REAL HIST LUST N/A
1/4-1/2 MOUNTAIN VIEW, CA 94040 Cortese
Relative:

Lower
Click here for full text details

0.481 mi. HIST CORTESE
2538 ft.

LUST
Facility Status Case Closed
date9 9/30/1996

HIST LUST
SCVWD ID 06S2W20D01
Cortese
Cleanup Status COMPLETED - CASE CLOSED

HIST CORTESE
Reg Id 43-1088
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1435
Agenda Item # 10.

TC6253537.2s Page 25
R74 PLESSEY MICRO SCIENCE INC SEMS-ARCHIVE 1000386389
NNE 2274 MORA DR HIST Cal-Sites CAD009440371
1/2-1 MOUNTAIN VIEW, CA 94040 RCRA NonGen / NLR
Relative:

Lower
Click here for full text details

0.502 mi. FINDS
2652 ft. ECHO
WDS

SEMS-ARCHIVE
Site ID 0901213
EPA Id CAD009440371
R73 PLESSEY MICRO SCIENCES CA BOND EXP. PLAN S100833251 NNE 2274 MORA DRIVE N/A
1/2-1 MOUNTAIN VIEW, CA 94040
Relative:

Lower
Click here for full text details

0.502 mi.
2652 ft.

O72 PLESSEY INC. NPDES CPS-SLIC S106916856
NNE 2294 MORA DR CERS N/A
1/4-1/2 MOUNTAIN VIEW, CA 94040
Relative:

Lower
Click here for full text details

0.499 mi.
2637 ft.

CPS-SLIC
Facility Status Completed - Case Closed
Global Id SL0608508217
Click here to access the California GeoTracker records for this facility 71 IRM COST SHARING SITE CPS-SLIC S102284312
North 2520 CALIFORNIA STREET EMI N/A
1/4-1/2 MOUNTAIN VIEW, CA 94043 CERS
Relative:

Lower
Click here for full text details

0.497 mi.
2623 ft.

CPS-SLIC
Facility Status Open - Verification Monitoring
Facility Id SL18311731
Global Id SL18311731
Click here to access the California GeoTracker records for this facility EMI
Facility Id 971
PLESSEY #2 (Continued) S103883832
Facility Id 43360131
Status No Further Action
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1436
Agenda Item # 10.

TC6253537.2s Page 26
R75 DTSC FORMER PLESSEY MICROSCIENCE SITE S103981838 RESPONSE NNE 2274 MORA DR ENVIROSTOR N/A
1/2-1 MOUNTAIN VIEW, CA 94040 Cortese
Relative:

Lower
Click here for full text details

0.502 mi. HAZNET
2652 ft. HIST CORTESE
HWTS

RESPONSE
Status Certified / Operation & Maintenance
Facility Id 43360069

ENVIROSTOR
Facility Id 43360069
Status Certified / Operation & Maintenance
Cortese
Envirostor Id 43360069
Cleanup Status CERTIFIED / OPERATION & MAINTENANCE
HAZNET
GEPAID CAL000383486

HIST CORTESE
Reg Id 43360069
PLESSEY MICRO SCIENCE INC (Continued) 1000386389
RCRA NonGen / NLR
EPA Id CAD009440371
FINDS
Registry ID: 110002636470
ECHO
Registry ID 110002636470
WDS
Facility Id 2 438379001
Facility Status Active - Any facility with a continuous or seasonal discharge that is under Waste Discharge Requirements.

Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1437
Agenda Item # 10.

TC6253537.2s Page 27
P78 MORA DRIVE ENVIROSTOR S120714345
NNE 2221-2291 MORA DRIVE VCP N/A
1/2-1 MOUNTAIN VIEW, CA 94040 DEED
Relative:

Lower
Click here for full text details

0.519 mi.
2742 ft.

ENVIROSTOR
Facility Id 60002502
Status Active
VCP
Facility Id 60002502
Status Active
DEED
Envirostor ID 60002502
Status ACTIVE
O77 TRW/VIDAR RESPONSE S100946989
NNE 77 ORTEGA AVENUE ENVIROSTOR N/A
1/2-1 MOUNTAIN VIEW, CA 94040 DEED
Relative:

Lower
Click here for full text details

0.512 mi. CERS
2702 ft.

RESPONSE
Status Certified O&M - Land Use Restrictions Only
Facility Id 43360128

ENVIROSTOR
Facility Id 43360128
Status Certified O&M - Land Use Restrictions Only
DEED
Envirostor ID 43360128
Status CERTIFIED O&M - LAND USE RESTRICTIONS ONLY
P76 PLESSEY #3 RESPONSE S102804169
NNE 2256 MORA DRIVE ENVIROSTOR N/A
1/2-1 MOUNTAIN VIEW, CA 94040 CERS
Relative:

Lower
Click here for full text details

0.504 mi.
2659 ft.

RESPONSE
Status No Further Action
Facility Id 43360135

ENVIROSTOR
Facility Id 43360135
Status No Further Action
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1438
Agenda Item # 10.

TC6253537.2s Page 28
80 SHELL SERVICE STATION RCRA-SQG 1000288537
NE 110 N RENGSTORFF LUST CAD980675961
1/2-1 MOUNTAIN VIEW, CA 94040 HIST LUST
Relative:

Lower
Click here for full text details

0.653 mi. SWEEPS UST
3446 ft. HIST UST

CA FID UST
Cortese
CUPA Listings

HIST CORTESE
Notify 65
CERS

RCRA-SQG
EPA Id CAD980675961
LUST
Facility Status Pollution Characterization
Status Completed - Case Closed
Global Id T0608501243
SCVWD ID 06S2W17R01F

HIST LUST
SCVWD ID 06S2W17R01

SWEEPS UST
Status A
Tank Status A
Comp Number 56732

HIST UST
Facility Id 00000056732

CA FID UST
Facility Id 43001282
Status A
Cortese
79 PROPOSED SAN ANTONIO ELEMENTARY SCHOOL S126143196 ENVIROSTOR NNW 435 SAN ANTONIO ROAD, 2535 CALIFORNIA STREET, 350, 506, 510- N/A SCH 1/2-1 MOUNTAIN VIEW, CA 94040
Relative:

Lower
Click here for full text details

0.616 mi.
3253 ft.

ENVIROSTOR
Facility Id 60002949
Status Active
SCH
Facility Id 60002949
Status Active
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1439
Agenda Item # 10.

TC6253537.2s Page 29
82 LOS ALTOS HS RCRA-SQG 1000101636
SSW 201 ALMOND AVE ENVIROSTOR CAD981693864
1/2-1 LOS ALTOS, CA 94022 SCH
Relative:

Higher
Click here for full text details

0.759 mi. CERS HAZ WASTE
4010 ft. FINDS
ECHO
CUPA Listings
NPDES
CIWQS
CERS

RCRA-SQG
EPA Id CAD981693864

ENVIROSTOR
Facility Id 60002914
Status Active
SCH
Facility Id 60002914
Status Active
FINDS
Registry ID: 110002755395
ECHO
Registry ID 110002755395
NPDES
81 MVSA ENVIROSTOR S125242590
NNW 225 SAN ANTONIO ROAD, 2580 CALIFORNIA STREET, 201 SAN ANTONI N/A VCP 1/2-1 MOUNTAIN VIEW, CA 94040
Relative:

Lower
Click here for full text details

0.683 mi.
3605 ft.

ENVIROSTOR
Facility Id 60002855
Status Active
VCP
Facility Id 60002855
Status Active
SHELL SERVICE STATION (Continued) 1000288537
Cleanup Status COMPLETED - CASE CLOSED

HIST CORTESE
Reg Id 43-1265
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1440
Agenda Item # 10.

TC6253537.2s Page 30
S85 JASCO CHEMICAL CORPORATION CA BOND EXP. PLAN S105960435 East 1710 VILLA STREET EMI N/A
1/2-1 MOUNTAIN VIEW, CA 95246
Relative:

Lower
Click here for full text details

0.887 mi.
4683 ft.

EMI
Facility Id 5477
S84 JASCO CHEMICAL CO HIST Cal-Sites 1000175630
East 1710 VILLA STREET N/A
1/2-1 MOUNTAIN VIEW, CA 94041
Relative:

Lower
Click here for full text details

0.887 mi.
4683 ft.

S83 JASCO CHEMICAL CORP. ENVIROSTOR U001594367
East 1710 VILLA ST HIST UST N/A
1/2-1 MOUNTAIN VIEW, CA 94042 ENF
Relative:

Lower
Click here for full text details

0.887 mi. CIWQS
4683 ft. CERS

ENVIROSTOR
Facility Id 43280119
Status Refer: RWQCB

HIST UST
Facility Id 00000008412
ENF
Status Historical
Facility Id 201774
Status Historical
LOS ALTOS HS (Continued) 1000101636
Facility Status Active
Map ID MAP FINDINGS
Direction
Distance EDR ID Number
Elevation Site Database(s) EPA ID Number
1441
Agenda Item # 10.

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CA AST Aboveground Petroleum Storage Tank Facilities California Environmental Protection Agency 07/06/2016 07/12/2016 09/19/2016CA BROWNFIELDS Considered Brownfieds Sites Listing State Water Resources Control Board 06/22/2020 06/22/2020 09/04/2020CA CA BOND EXP. PLAN Bond Expenditure Plan Department of Health Services 01/01/1989 07/27/1994 08/02/1994CA CA FID UST Facility Inventory Database California Environmental Protection Agency 10/31/1994 09/05/1995 09/29/1995CA CDL Clandestine Drug Labs Department of Toxic Substances Control 06/30/2019 05/28/2020 08/12/2020CA CERS CalEPA Regulated Site Portal Data California Environmental Protection Agency 07/20/2020 07/21/2020 10/07/2020CA CERS HAZ WASTE CERS HAZ WASTE CalEPA 07/20/2020 07/21/2020 10/07/2020CA CERS TANKS California Environmental Reporting System (CERS) Tanks California Environmental Protection Agency 07/20/2020 07/21/2020 10/07/2020CA CHMIRS California Hazardous Material Incident Report System Office of Emergency Services 06/30/2020 07/21/2020 10/07/2020CA CIWQS California Integrated Water Quality System State Water Resources Control Board 06/01/2020 06/02/2020 08/14/2020CA CORTESE "Cortese" Hazardous Waste & Substances Sites List CAL EPA/Office of Emergency Information 06/22/2020 06/22/2020 09/04/2020CA CPS-SLIC Statewide SLIC Cases (GEOTRACKER) State Water Resources Control Board 06/08/2020 06/09/2020 08/19/2020CA CUPA LIVERMORE-PLEASANTON CUPA Facility Listing Livermore-Pleasanton Fire Department 05/01/2019 05/14/2019 07/17/2019CA DEED Deed Restriction Listing DTSC and SWRCB 06/01/2020 06/02/2020 08/14/2020CA DRYCLEAN AVAQMD Antelope Valley Air Quality Management District Drycleaner L Antelope Valley Air Quality Management Distri 05/28/2020 05/29/2020 08/12/2020CA DRYCLEAN SOUTH COAST South Coast Air Quality Management District Drycleaner Listi South Coast Air Quality Management District 08/19/2020 08/21/2020 09/04/2020CA DRYCLEANERS Cleaner Facilities Department of Toxic Substance Control 06/04/2020 06/05/2020 08/17/2020CA EMI Emissions Inventory Data California Air Resources Board 12/31/2018 06/16/2020 08/28/2020CA ENF Enforcement Action Listing State Water Resoruces Control Board 07/20/2020 07/21/2020 10/07/2020CA ENVIROSTOR EnviroStor Database Department of Toxic Substances Control 07/27/2020 07/27/2020 10/08/2020CA Financial Assurance 1 Financial Assurance Information Listing Department of Toxic Substances Control 07/13/2020 07/16/2020 09/29/2020CA Financial Assurance 2 Financial Assurance Information Listing California Integrated Waste Management Board 08/05/2020 08/05/2020 10/23/2020CA HAULERS Registered Waste Tire Haulers Listing Integrated Waste Management Board 05/28/2020 05/29/2020 08/12/2020CA HAZNET Facility and Manifest Data California Environmental Protection Agency 12/31/2019 04/15/2020 07/02/2020CA HIST CAL-SITES Calsites Database Department of Toxic Substance Control 08/08/2005 08/03/2006 08/24/2006CA HIST CORTESE Hazardous Waste & Substance Site List Department of Toxic Substances Control 04/01/2001 01/22/2009 04/08/2009CA HIST UST Hazardous Substance Storage Container Database State Water Resources Control Board 10/15/1990 01/25/1991 02/12/1991CA HWP EnviroStor Permitted Facilities Listing Department of Toxic Substances Control 05/18/2020 05/18/2020 07/31/2020CA HWT Registered Hazardous Waste Transporter Database Department of Toxic Substances Control 07/06/2020 07/07/2020 09/17/2020CA HWTS Hazardous Waste Tracking System Department of Toxic Substances Control 10/13/2020 10/14/2020 11/03/2020CA ICE ICE Department of Toxic Subsances Control 05/18/2020 05/19/2020 07/31/2020CA LDS Land Disposal Sites Listing (GEOTRACKER) State Water Qualilty Control Board 06/08/2020 06/09/2020 08/19/2020CA LIENS Environmental Liens Listing Department of Toxic Substances Control 05/28/2020 05/29/2020 08/12/2020CA LUST Leaking Underground Fuel Tank Report (GEOTRACKER) State Water Resources Control Board 06/08/2020 06/09/2020 08/19/2020CA LUST REG 1 Active Toxic Site Investigation California Regional Water Quality Control Boa 02/01/2001 02/28/2001 03/29/2001CA LUST REG 2 Fuel Leak List California Regional Water Quality Control Boa 09/30/2004 10/20/2004 11/19/2004CA LUST REG 3 Leaking Underground Storage Tank Database California Regional Water Quality Control Boa 05/19/2003 05/19/2003 06/02/2003CA LUST REG 4 Underground Storage Tank Leak List California Regional Water Quality Control Boa 09/07/2004 09/07/2004 10/12/2004CA LUST REG 5 Leaking Underground Storage Tank Database California Regional Water Quality Control Boa 07/01/2008 07/22/2008 07/31/2008CA LUST REG 6L Leaking Underground Storage Tank Case Listing California Regional Water Quality Control Boa 09/09/2003 09/10/2003 10/07/2003CA LUST REG 6V Leaking Underground Storage Tank Case Listing California Regional Water Quality Control Boa 06/07/2005 06/07/2005 06/29/2005CA LUST REG 7 Leaking Underground Storage Tank Case Listing California Regional Water Quality Control Boa 02/26/2004 02/26/2004 03/24/2004CA LUST REG 8 Leaking Underground Storage Tanks California Regional Water Quality Control Boa 02/14/2005 02/15/2005 03/28/2005CA LUST REG 9 Leaking Underground Storage Tank Report California Regional Water Quality Control Boa 03/01/2001 04/23/2001 05/21/2001CA MCS Military Cleanup Sites Listing (GEOTRACKER) State Water Resources Control Board 06/08/2020 06/09/2020 08/19/2020CA MILITARY PRIV SITES Military Privatized Sites (GEOTRACKER) State Water Resources Control Board 06/08/2020 06/09/2020 08/19/2020CA MILITARY UST SITES Military UST Sites (GEOTRACKER) State Water Resources Control Board 06/08/2020 06/09/2020 08/19/2020 TC6253537.2s Page GR-1

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St Acronym Full Name Government Agency Gov Date Arvl. Date Active Date 1442
Agenda Item # 10.

CA MINES Mines Site Location Listing Department of Conservation 06/08/2020 06/09/2020 08/19/2020 CA MWMP Medical Waste Management Program Listing Department of Public Health 05/28/2020 06/02/2020 08/14/2020CA NON-CASE INFO Non-Case Information Sites (GEOTRACKER) State Water Resources Control Board 06/08/2020 06/09/2020 08/19/2020CA NOTIFY 65 Proposition 65 Records State Water Resources Control Board 08/21/2020 08/21/2020 08/27/2020CA NPDES NPDES Permits Listing State Water Resources Control Board 08/10/2020 08/10/2020 10/29/2020CA OTHER OIL GAS Other Oil & Gas Projects Sites (GEOTRACKER) State Water Resources Control Board 06/08/2020 06/09/2020 08/19/2020CA PEST LIC Pesticide Regulation Licenses Listing Department of Pesticide Regulation 06/01/2020 06/02/2020 08/14/2020CA PFAS PFAS Contamination Site Location Listing State Water Resources Control Board 06/08/2020 06/09/2020 08/19/2020CA PROC Certified Processors Database Department of Conservation 06/08/2020 06/09/2020 08/19/2020CA PROD WATER PONDS Produced Water Ponds Sites (GEOTRACKER) State Water Resources Control Board 06/08/2020 06/09/2020 08/19/2020CA PROJECT Project Sites (GEOTRACKER) State Water Resources Control Board 06/08/2020 06/09/2020 08/19/2020CA RESPONSE State Response Sites Department of Toxic Substances Control 07/27/2020 07/27/2020 10/08/2020CA RGA LF Recovered Government Archive Solid Waste Facilities List Department of Resources Recycling and Recover 07/01/2013 01/13/2014CA RGA LUST Recovered Government Archive Leaking Underground Storage Tan State Water Resources Control Board 07/01/2013 12/30/2013CA SAMPLING POINT Sampling Point ? Public Sites (GEOTRACKER) State Water Resources Control Board 06/08/2020 06/09/2020 08/19/2020CA SAN FRANCISCO AST Aboveground Storage Tank Site Listing San Francisco County Department of Public Hea 08/03/2020 08/05/2020 10/22/2020CA SCH School Property Evaluation Program Department of Toxic Substances Control 07/27/2020 07/27/2020 10/08/2020CA SLIC REG 1 Active Toxic Site Investigations California Regional Water Quality Control Boa 04/03/2003 04/07/2003 04/25/2003CA SLIC REG 2 Spills, Leaks, Investigation & Cleanup Cost Recovery Listing Regional Water Quality Control Board San Fran 09/30/2004 10/20/2004 11/19/2004CA SLIC REG 3 Spills, Leaks, Investigation & Cleanup Cost Recovery Listing California Regional Water Quality Control Boa 05/18/2006 05/18/2006 06/15/2006CA SLIC REG 4 Spills, Leaks, Investigation & Cleanup Cost Recovery Listing Region Water Quality Control Board Los Angele 11/17/2004 11/18/2004 01/04/2005CA SLIC REG 5 Spills, Leaks, Investigation & Cleanup Cost Recovery Listing Regional Water Quality Control Board Central 04/01/2005 04/05/2005 04/21/2005CA SLIC REG 6L SLIC Sites California Regional Water Quality Control Boa 09/07/2004 09/07/2004 10/12/2004CA SLIC REG 6V Spills, Leaks, Investigation & Cleanup Cost Recovery Listing Regional Water Quality Control Board, Victorv 05/24/2005 05/25/2005 06/16/2005CA SLIC REG 7 SLIC List California Regional Quality Control Board, Co 11/24/2004 11/29/2004 01/04/2005CA SLIC REG 8 Spills, Leaks, Investigation & Cleanup Cost Recovery Listing California Region Water Quality Control Board 04/03/2008 04/03/2008 04/14/2008CA SLIC REG 9 Spills, Leaks, Investigation & Cleanup Cost Recovery Listing California Regional Water Quality Control Boa 09/10/2007 09/11/2007 09/28/2007CA SPILLS 90 SPILLS90 data from FirstSearch FirstSearch 06/06/2012 01/03/2013 02/22/2013CA SWEEPS UST SWEEPS UST Listing State Water Resources Control Board 06/01/1994 07/07/2005 08/11/2005CA SWF/LF (SWIS) Solid Waste Information System Department of Resources Recycling and Recover 05/11/2020 05/12/2020 07/27/2020CA SWRCY Recycler Database Department of Conservation 06/08/2020 06/09/2020 08/19/2020CA TOXIC PITS Toxic Pits Cleanup Act Sites State Water Resources Control Board 07/01/1995 08/30/1995 09/26/1995CA UIC UIC Listing Deaprtment of Conservation 06/06/2020 06/09/2020 08/20/2020CA UIC GEO Underground Injection Control Sites (GEOTRACKER) State Water Resource Control Board 06/08/2020 06/09/2020 08/19/2020CA UST Active UST Facilities SWRCB 06/08/2020 06/09/2020 08/20/2020CA UST CLOSURE Proposed Closure of Underground Storage Tank (UST) Cases State Water Resources Control Board 05/26/2020 06/09/2020 08/20/2020CA UST MENDOCINO Mendocino County UST Database Department of Public Health 05/20/2020 05/20/2020 08/06/2020CA VCP Voluntary Cleanup Program Properties Department of Toxic Substances Control 07/27/2020 07/27/2020 10/08/2020CA WASTEWATER PITS Oil Wastewater Pits Listing RWQCB, Central Valley Region 11/19/2019 01/07/2020 03/09/2020CA WDR Waste Discharge Requirements Listing State Water Resources Control Board 06/08/2020 06/09/2020 08/20/2020CA WDS Waste Discharge System State Water Resources Control Board 06/19/2007 06/20/2007 06/29/2007CA WELL STIM PROJ Well Stimulation Project (GEOTRACKER) State Water Resources Control Board 06/08/2020 06/09/2020 08/19/2020CA WIP Well Investigation Program Case List Los Angeles Water Quality Control Board 07/03/2009 07/21/2009 08/03/2009CA WMUDS/SWAT Waste Management Unit Database State Water Resources Control Board 04/01/2000 04/10/2000 05/10/2000US 2020 COR ACTION 2020 Corrective Action Program List Environmental Protection Agency 09/30/2017 05/08/2018 07/20/2018US ABANDONED MINES Abandoned Mines Department of Interior 06/22/2020 06/22/2020 09/10/2020US BRS Biennial Reporting System EPA/NTIS 12/31/2015 02/22/2017 09/28/2017 TC6253537.2s Page GR-2

GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING
St Acronym Full Name Government Agency Gov Date Arvl. Date Active Date 1443
Agenda Item # 10.

US COAL ASH DOE Steam-Electric Plant Operation Data Department of Energy 12/31/2018 12/04/2019 01/15/2020 US COAL ASH EPA Coal Combustion Residues Surface Impoundments List Environmental Protection Agency 01/12/2017 03/05/2019 11/11/2019US CONSENT Superfund (CERCLA) Consent Decrees Department of Justice, Consent Decree Library 06/30/2020 07/15/2020 07/21/2020US CORRACTS Corrective Action Report EPA 06/15/2020 06/22/2020 09/17/2020US DEBRIS REGION 9 Torres Martinez Reservation Illegal Dump Site Locations EPA, Region 9 01/12/2009 05/07/2009 09/21/2009US DOCKET HWC Hazardous Waste Compliance Docket Listing Environmental Protection Agency 05/31/2018 07/26/2018 10/05/2018US DOD Department of Defense Sites USGS 12/31/2005 11/10/2006 01/11/2007US DOT OPS Incident and Accident Data Department of Transporation, Office of Pipeli 01/02/2020 01/28/2020 04/17/2020US Delisted NPL National Priority List Deletions EPA 07/29/2020 08/03/2020 08/25/2020US ECHO Enforcement & Compliance History Information Environmental Protection Agency 06/27/2020 07/02/2020 09/28/2020US EDR Hist Auto EDR Exclusive Historical Auto Stations EDR, Inc.US EDR Hist Cleaner EDR Exclusive Historical Cleaners EDR, Inc.US EDR MGP EDR Proprietary Manufactured Gas Plants EDR, Inc.US EPA WATCH LIST EPA WATCH LIST Environmental Protection Agency 08/30/2013 03/21/2014 06/17/2014US ERNS Emergency Response Notification System National Response Center, United States Coast 06/15/2020 06/22/2020 09/17/2020US FEDERAL FACILITY Federal Facility Site Information listing Environmental Protection Agency 04/03/2019 04/05/2019 05/14/2019US FEDLAND Federal and Indian Lands U.S. Geological Survey 04/02/2018 04/11/2018 11/06/2019US FEMA UST Underground Storage Tank Listing FEMA 02/01/2020 03/19/2020 06/09/2020US FINDS Facility Index System/Facility Registry System EPA 02/03/2020 03/03/2020 05/28/2020US FTTS FIFRA/ TSCA Tracking System - FIFRA (Federal Insecticide, Fu EPA/Office of Prevention, Pesticides and Toxi 04/09/2009 04/16/2009 05/11/2009US FTTS INSP FIFRA/ TSCA Tracking System - FIFRA (Federal Insecticide, Fu EPA 04/09/2009 04/16/2009 05/11/2009US FUDS Formerly Used Defense Sites U.S. Army Corps of Engineers 08/05/2020 08/13/2020 10/21/2020US FUELS PROGRAM EPA Fuels Program Registered Listing EPA 08/17/2020 08/17/2020 10/21/2020US FUSRAP Formerly Utilized Sites Remedial Action Program Department of Energy 08/08/2017 09/11/2018 09/14/2018US HIST FTTS FIFRA/TSCA Tracking System Administrative Case Listing Environmental Protection Agency 10/19/2006 03/01/2007 04/10/2007US HIST FTTS INSP FIFRA/TSCA Tracking System Inspection & Enforcement Case Lis Environmental Protection Agency 10/19/2006 03/01/2007 04/10/2007US HMIRS Hazardous Materials Information Reporting System U.S. Department of Transportation 06/22/2020 06/23/2020 09/17/2020US ICIS Integrated Compliance Information System Environmental Protection Agency 11/18/2016 11/23/2016 02/10/2017US IHS OPEN DUMPS Open Dumps on Indian Land Department of Health & Human Serivces, Indian 04/01/2014 08/06/2014 01/29/2015US INDIAN LUST R1 Leaking Underground Storage Tanks on Indian Land EPA Region 1 04/29/2020 05/20/2020 08/12/2020US INDIAN LUST R10 Leaking Underground Storage Tanks on Indian Land EPA Region 10 04/14/2020 05/20/2020 08/12/2020US INDIAN LUST R4 Leaking Underground Storage Tanks on Indian Land EPA Region 4 04/14/2020 05/26/2020 08/12/2020US INDIAN LUST R5 Leaking Underground Storage Tanks on Indian Land EPA, Region 5 04/14/2020 05/20/2020 08/12/2020US INDIAN LUST R6 Leaking Underground Storage Tanks on Indian Land EPA Region 6 04/08/2020 05/20/2020 08/12/2020US INDIAN LUST R7 Leaking Underground Storage Tanks on Indian Land EPA Region 7 04/15/2020 05/20/2020 08/12/2020US INDIAN LUST R8 Leaking Underground Storage Tanks on Indian Land EPA Region 8 04/14/2020 05/20/2020 08/12/2020US INDIAN LUST R9 Leaking Underground Storage Tanks on Indian Land Environmental Protection Agency 04/08/2020 05/20/2020 08/12/2020US INDIAN ODI Report on the Status of Open Dumps on Indian Lands Environmental Protection Agency 12/31/1998 12/03/2007 01/24/2008US INDIAN RESERV Indian Reservations USGS 12/31/2014 07/14/2015 01/10/2017US INDIAN UST R1 Underground Storage Tanks on Indian Land EPA, Region 1 04/29/2020 05/20/2020 08/12/2020US INDIAN UST R10 Underground Storage Tanks on Indian Land EPA Region 10 04/14/2020 05/20/2020 08/12/2020US INDIAN UST R4 Underground Storage Tanks on Indian Land EPA Region 4 04/14/2020 05/26/2020 08/12/2020US INDIAN UST R5 Underground Storage Tanks on Indian Land EPA Region 5 04/14/2020 05/20/2020 08/12/2020US INDIAN UST R6 Underground Storage Tanks on Indian Land EPA Region 6 04/08/2020 05/20/2020 08/12/2020US INDIAN UST R7 Underground Storage Tanks on Indian Land EPA Region 7 04/03/2020 05/20/2020 08/12/2020US INDIAN UST R8 Underground Storage Tanks on Indian Land EPA Region 8 04/14/2020 05/20/2020 08/13/2020US INDIAN UST R9 Underground Storage Tanks on Indian Land EPA Region 9 04/08/2020 05/20/2020 08/12/2020 TC6253537.2s Page GR-3

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US INDIAN VCP R1 Voluntary Cleanup Priority Listing EPA, Region 1 07/27/2015 09/29/2015 02/18/2016 US INDIAN VCP R7 Voluntary Cleanup Priority Lisitng EPA, Region 7 03/20/2008 04/22/2008 05/19/2008US LEAD SMELTER 1 Lead Smelter Sites Environmental Protection Agency 07/29/2020 08/03/2020 08/25/2020US LEAD SMELTER 2 Lead Smelter Sites American Journal of Public Health 04/05/2001 10/27/2010 12/02/2010US LIENS 2 CERCLA Lien Information Environmental Protection Agency 07/29/2020 08/03/2020 08/25/2020US LUCIS Land Use Control Information System Department of the Navy 05/15/2020 05/19/2020 06/18/2020US MINES MRDS Mineral Resources Data System USGS 04/06/2018 10/21/2019 10/24/2019US MINES VIOLATIONS MSHA Violation Assessment Data DOL, Mine Safety & Health Admi 05/28/2020 05/28/2020 08/13/2020US MLTS Material Licensing Tracking System Nuclear Regulatory Commission 08/05/2020 08/10/2020 10/08/2020US NPL National Priority List EPA 07/29/2020 08/03/2020 08/25/2020US NPL LIENS Federal Superfund Liens EPA 10/15/1991 02/02/1994 03/30/1994US ODI Open Dump Inventory Environmental Protection Agency 06/30/1985 08/09/2004 09/17/2004US PADS PCB Activity Database System EPA 10/09/2019 10/11/2019 12/20/2019US PCB TRANSFORMER PCB Transformer Registration Database Environmental Protection Agency 09/13/2019 11/06/2019 02/10/2020US PCS Permit Compliance System EPA, Office of Water 07/14/2011 08/05/2011 09/29/2011US PCS ENF Enforcement data EPA 12/31/2014 02/05/2015 03/06/2015US PCS INACTIVE Listing of Inactive PCS Permits EPA 11/05/2014 01/06/2015 05/06/2015US PRP Potentially Responsible Parties EPA 04/27/2020 05/06/2020 06/09/2020US Proposed NPL Proposed National Priority List Sites EPA 07/29/2020 08/03/2020 08/25/2020US RAATS RCRA Administrative Action Tracking System EPA 04/17/1995 07/03/1995 08/07/1995US RADINFO Radiation Information Database Environmental Protection Agency 07/01/2019 07/01/2019 09/23/2019US RCRA NonGen / NLR RCRA - Non Generators / No Longer Regulated Environmental Protection Agency 06/15/2020 06/22/2020 09/18/2020US RCRA-LQG RCRA - Large Quantity Generators Environmental Protection Agency 06/15/2020 06/22/2020 09/18/2020US RCRA-SQG RCRA - Small Quantity Generators Environmental Protection Agency 06/15/2020 06/22/2020 09/18/2020US RCRA-TSDF RCRA - Treatment, Storage and Disposal Environmental Protection Agency 06/15/2020 06/22/2020 09/18/2020US RCRA-VSQG RCRA - Very Small Quantity Generators (Formerly Conditionall Environmental Protection Agency 06/15/2020 06/22/2020 09/18/2020US RMP Risk Management Plans Environmental Protection Agency 07/24/2020 08/03/2020 10/21/2020US ROD Records Of Decision EPA 07/29/2020 08/03/2020 08/25/2020US SCRD DRYCLEANERS State Coalition for Remediation of Drycleaners Listing Environmental Protection Agency 01/01/2017 02/03/2017 04/07/2017US SEMS Superfund Enterprise Management System EPA 07/29/2020 08/03/2020 08/25/2020US SEMS-ARCHIVE Superfund Enterprise Management System Archive EPA 07/29/2020 08/03/2020 08/25/2020US SSTS Section 7 Tracking Systems EPA 07/20/2020 07/21/2020 10/08/2020US TRIS Toxic Chemical Release Inventory System EPA 12/31/2018 02/05/2020 04/24/2020US TSCA Toxic Substances Control Act EPA 12/31/2016 06/17/2020 09/10/2020US UMTRA Uranium Mill Tailings Sites Department of Energy 08/30/2019 11/15/2019 01/28/2020US US AIRS (AFS) Aerometric Information Retrieval System Facility Subsystem ( EPA 10/12/2016 10/26/2016 02/03/2017US US AIRS MINOR Air Facility System Data EPA 10/12/2016 10/26/2016 02/03/2017US US BROWNFIELDS A Listing of Brownfields Sites Environmental Protection Agency 06/01/2020 06/02/2020 06/09/2020US US CDL Clandestine Drug Labs Drug Enforcement Administration 03/18/2020 03/19/2020 06/09/2020US US ENG CONTROLS Engineering Controls Sites List Environmental Protection Agency 02/13/2020 02/20/2020 05/15/2020US US FIN ASSUR Financial Assurance Information Environmental Protection Agency 06/15/2020 06/22/2020 09/10/2020US US HIST CDL National Clandestine Laboratory Register Drug Enforcement Administration 03/18/2020 03/19/2020 06/09/2020US US INST CONTROLS Institutional Controls Sites List Environmental Protection Agency 02/13/2020 02/20/2020 05/15/2020US US MINES Mines Master Index File Department of Labor, Mine Safety and Health A 05/01/2020 05/21/2020 08/13/2020US US MINES 2 Ferrous and Nonferrous Metal Mines Database Listing USGS 05/06/2020 05/27/2020 08/13/2020US US MINES 3 Active Mines & Mineral Plants Database Listing USGS 04/14/2011 06/08/2011 09/13/2011US UXO Unexploded Ordnance Sites Department of Defense 12/31/2018 07/02/2020 09/17/2020 TC6253537.2s Page GR-4

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Agenda Item # 10.

CT CT MANIFEST Hazardous Waste Manifest Data Department of Energy & Environmental Protecti 08/10/2020 10/20/2020 11/02/2020 NJ NJ MANIFEST Manifest Information Department of Environmental Protection 12/31/2018 04/10/2019 05/16/2019NY NY MANIFEST Facility and Manifest Data Department of Environmental Conservation 01/01/2019 04/29/2020 07/10/2020PA PA MANIFEST Manifest Information Department of Environmental Protection 06/30/2018 07/19/2019 09/10/2019RI RI MANIFEST Manifest information Department of Environmental Management 12/31/2018 10/02/2019 12/10/2019WI WI MANIFEST Manifest Information Department of Natural Resources 05/31/2018 06/19/2019 09/03/2019US AHA Hospitals Sensitive Receptor: AHA Hospitals American Hospital Association, Inc.US Medical Centers Sensitive Receptor: Medical Centers Centers for Medicare & Medicaid ServicesUS Nursing Homes Sensitive Receptor: Nursing Homes National Institutes of HealthUS Public Schools Sensitive Receptor: Public Schools National Center for Education StatisticsUS Private Schools Sensitive Receptor: Private Schools National Center for Education StatisticsCA Daycare Centers Sensitive Receptor: Licensed Facilities Department of Social ServicesUS Flood Zones 100-year and 500-year flood zones Emergency Management Agency (FEMA)US NWI National Wetlands Inventory U.S. Fish and Wildlife ServiceCA State Wetlands Wetland Inventory Department of Fish and WildlifeUS Topographic Map U.S. Geological SurveyUS Oil/Gas Pipelines Endeavor Business MediaUS Electric Power Transmission Line Data Endeavor Business Media STREET AND ADDRESS INFORMATION© 2015 TomTom North America, Inc. All rights reserved. This material is proprietary and the subject of copyright protectionand other intellectual property rights owned by or licensed to Tele Atlas North America, Inc. The use of this material is subjectto the terms of a license agreement. You will be held liable for any unauthorized copying or disclosure of this material.

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Agenda Item # 10.

TC6253537.2s Page A-1
geologic strata.
of the soil, and nearby wells. Groundwater flow velocity is generally impacted by the nature of the Groundwater flow direction may be impacted by surface topography, hydrology, hydrogeology, characteristics

2. Groundwater flow velocity.

1. Groundwater flow direction, and
Assessment of the impact of contaminant migration generally has two principle investigative components:
forming an opinion about the impact of potential contaminant migration.

EDR’s GeoCheck Physical Setting Source Addendum is provided to assist the environmental professional in Version Date: 2012
Northwest Map: 5640620 PALO ALTO, CA
Version Date: 2012
Target Property Map: 5641106 MOUNTAIN VIEW, CA

USGS TOPOGRAPHIC MAP
Elevation: 86 ft. above sea level
UTM Y (Meters): 4139015.5
UTM X (Meters): 579144.0
Universal Tranverse Mercator: Zone 10
Longitude (West): 122.105871 - 122˚ 6’ 21.14’’
Latitude (North): 37.396371 - 37˚ 23’ 46.94’’

TARGET PROPERTY COORDINATES
LOS ALTOS, CA 94022
330 DISTEL CIRCLE

DISTEL CIRCLE PROPERTY

TARGET PROPERTY ADDRESS
GEOCHECK - PHYSICAL SETTING SOURCE ADDENDUM ®
1447
Agenda Item # 10.

TC6253537.2s Page A-2
should be field verified.
on a relative (not an absolute) basis. Relative elevation information between sites of close proximity Source: Topography has been determined from the USGS 7.5’ Digital Elevation Model and should be evaluated SURROUNDING TOPOGRAPHY: ELEVATION PROFILES Elevation (ft) Elevation (ft) TP
TP
0 1/2 1 Miles ✩Target Property Elevation: 86 ft.

North South
West East 158 151 144134125 117 1101019381 8675676048 524232 36 108 104 103 102999593918986858281808080787574 General Topographic Gradient: General NNE

TARGET PROPERTY TOPOGRAPHY
should contamination exist on the target property, what downgradient sites might be impacted. assist the environmental professional in forming an opinion about the impact of nearby contaminated properties or, Surface topography may be indicative of the direction of surficial groundwater flow. This information can be used to

TOPOGRAPHIC INFORMATION
collected on nearby properties, and regional groundwater flow information (from deep aquifers). sources of information, such as surface topographic information, hydrologic information, hydrogeologic data using site-specific well data. If such data is not reasonably ascertainable, it may be necessary to rely on other Groundwater flow direction for a particular site is best determined by a qualified environmental professional

GROUNDWATER FLOW DIRECTION INFORMATION
GEOCHECK - PHYSICAL SETTING SOURCE SUMMARY ®
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Agenda Item # 10.

TC6253537.2s Page A-3

LOCATION GENERAL DIRECTION

MAP ID FROM TP GROUNDWATER FLOW
hydrogeologically, and the depth to water table.
authorities at select sites and has extracted the date of the report, groundwater flow direction as determined flow at specific points. EDR has reviewed reports submitted by environmental professionals to regulatory EDR has developed the AQUIFLOW Information System to provide data on the general direction of groundwater AQUIFLOW®
Search Radius: 1.000 Mile.
* ©1996 Site−specific hydrogeological data gathered by CERCLIS Alerts, Inc., Bainbridge Island, WA. All rights reserved. All of the information and opinions presented are those of the cited EPA report(s), which were completed under a Comprehensive Environmental Response Compensation and Liability Information System (CERCLIS) investigation.

Data Quality: Information is inferred in the CERCLIS investigation report(s) Sole Source Aquifer: No information about a sole source aquifer is available aquifers under the site.

Hydraulic Connection: Information is not available about the hydraulic connection between Inferred Depth to Water: 100 feet to 120 feet.

PUMPING.

Groundwater Flow Direction: NE ON A REGIONAL BASIS, WITH LOCAL FLOW CONDITIONS INFLUENCED BY Site EPA ID Number: CAD982400202
Site Name: Hillview Maintenance Yard
Location Relative to TP: 1 - 2 Miles SSW
Search Radius: 1.25 miles
Site-Specific Hydrogeological Data*:
* ©1996 Site−specific hydrogeological data gathered by CERCLIS Alerts, Inc., Bainbridge Island, WA. All rights reserved. All of the information and opinions presented are those of the cited EPA report(s), which were completed under a Comprehensive Environmental Response Compensation and Liability Information System (CERCLIS) investigation. contamination exist on the target property, what downgradient sites might be impacted. environmental professional in forming an opinion about the impact of nearby contaminated properties or, should of groundwater flow direction in the immediate area. Such hydrogeologic information can be used to assist the Hydrogeologic information obtained by installation of wells on a specific site can often be an indicator

HYDROGEOLOGIC INFORMATION
MOUNTAIN VIEW YES - refer to the Overview Map and Detail Map

NATIONAL WETLAND INVENTORY
NWI Electronic
NWI Quad at Target Property Data Coverage
06085C0039H FEMA FIRM Flood data
06085C0037H FEMA FIRM Flood data
06085C0036H FEMA FIRM Flood data
Additional Panels in search area: FEMA Source Type
06085C0038H FEMA FIRM Flood data
Flood Plain Panel at Target Property FEMA Source Type

FEMA FLOOD ZONE
and bodies of water).

Refer to the Physical Setting Source Map following this summary for hydrologic information (major waterways contamination exist on the target property, what downgradient sites might be impacted. the environmental professional in forming an opinion about the impact of nearby contaminated properties or, should Surface water can act as a hydrologic barrier to groundwater flow. Such hydrologic information can be used to assist

HYDROLOGIC INFORMATION
GEOCHECK - PHYSICAL SETTING SOURCE SUMMARY ®
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Agenda Item # 10.

TC6253537.2s Page A-4
For additional site information, refer to Physical Setting Source Map Findings. 1G 1/4 - 1/2 Mile NE NE
5 1/4 - 1/2 Mile NE NE

LOCATION GENERAL DIRECTION

MAP ID FROM TP GROUNDWATER FLOW
GEOCHECK - PHYSICAL SETTING SOURCE SUMMARY ®
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TC6253537.2s Page A-5
Depth to Bedrock Max: > 60 inches
Depth to Bedrock Min: > 60 inches
Corrosion Potential - Uncoated Steel: MODERATE
Hydric Status: Soil does not meet the requirements for a hydric soil.

Soil Drainage Class: Not reported
textures.
moderately well and well drained soils with moderately coarse Hydrologic Group: Class B - Moderate infiltration rates. Deep and moderately deep, Soil Surface Texture: clay loam
Soil Component Name: BOTELLA
The following information is based on Soil Conservation Service STATSGO data. in a landscape. Soil maps for STATSGO are compiled by generalizing more detailed (SSURGO) soil survey maps. for privately owned lands in the United States. A soil map in a soil survey is a representation of soil patterns Survey (NCSS) and is responsible for collecting, storing, maintaining and distributing soil survey information The U.S. Department of Agriculture’s (USDA) Soil Conservation Service (SCS) leads the National Cooperative Soil

DOMINANT SOIL COMPOSITION IN GENERAL AREA OF TARGET PROPERTY Map, USGS Digital Data Series DDS - 11 (1994).
of the Conterminous U.S. at 1:2,500,000 Scale - a digital representation of the 1974 P.B. King and H.M. Beikman Geologic Age and Rock Stratigraphic Unit Source: P.G. Schruben, R.E. Arndt and W.J. Bawiec, Geology

ROCK STRATIGRAPHIC UNIT GEOLOGIC AGE IDENTIFICATION
Era: Cenozoic Category: Stratifed Sequence
System: Quaternary
Series: Quaternary
Code: Q (decoded above as Era, System & Series)
at which contaminant migration may be occurring.

Geologic information can be used by the environmental professional in forming an opinion about the relative speed

GEOLOGIC INFORMATION IN GENERAL AREA OF TARGET PROPERTY move more quickly through sandy-gravelly types of soils than silty-clayey types of soils. characteristics data collected on nearby properties and regional soil information. In general, contaminant plumes to rely on other sources of information, including geologic age identification, rock stratigraphic unit and soil using site specific geologic and soil strata data. If such data are not reasonably ascertainable, it may be necessary Groundwater flow velocity information for a particular site is best determined by a qualified environmental professional

GROUNDWATER FLOW VELOCITY INFORMATION
GEOCHECK - PHYSICAL SETTING SOURCE SUMMARY ®
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Agenda Item # 10.

TC6253537.2s Page A-6
State Database 1.000
Federal FRDS PWS Nearest PWS within 1 mile
Federal USGS 1.000

WELL SEARCH DISTANCE INFORMATION
DATABASE SEARCH DISTANCE (miles)
opinion about the impact of contaminant migration on nearby drinking water wells. professional in assessing sources that may impact ground water flow direction, and in forming an EDR Local/Regional Water Agency records provide water well information to assist the environmental

LOCAL / REGIONAL WATER AGENCY RECORDS
Deeper Soil Types: No Other Soil Types
Shallow Soil Types: No Other Soil Types
Surficial Soil Types: No Other Soil Types
Soil Surface Textures: No Other Soil Types
appear within the general area of target property.

Based on Soil Conservation Service STATSGO data, the following additional subordinant soil types may

OTHER SOIL TYPES IN AREA
Min: 5.60
Max: 7.80
Min: 0.20
Max: 0.60
Clayey sand.

Sands with fines,
SOILS, Sands,

COARSE-GRAINED
Soils.
200), Clayey
passing No.
than 35 pct.

Materials (more
3 41 inches 76 inches sandy clay loam Silt-Clay
Min: 5.60
Max: 7.80
Min: 0.20
Max: 0.60
50%), Lean Clay
limit less than
Clays (liquid
SOILS, Silts and

FINE-GRAINED
Soils.
200), Clayey
passing No.
than 35 pct.

Materials (more
2 9 inches 41 inches silty clay loam Silt-Clay
Min: 5.60
Max: 7.30
Min: 0.20
Max: 0.60
50%), Lean Clay
limit less than
Clays (liquid
SOILS, Silts and

FINE-GRAINED
Soils.
200), Clayey
passing No.
than 35 pct.

Materials (more
1 0 inches 9 inches clay loam Silt-Clay
Soil Layer Information
Boundary Classification
Permeability
Rate (in/hr) Layer Upper Lower Soil Texture Class AASHTO Group Unified Soil Soil Reaction (pH)
GEOCHECK - PHYSICAL SETTING SOURCE SUMMARY ®
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Agenda Item # 10.

TC6253537.2s Page A-7
C27 6899 1/2 - 1 Mile SSE
C26 6906 1/2 - 1 Mile SSE
C25 6897 1/2 - 1 Mile SSE
C24 6878 1/2 - 1 Mile SSE
C23 6896 1/2 - 1 Mile SSE
B20 6866 1/2 - 1 Mile WNW
B19 6867 1/2 - 1 Mile WNW
B18 6865 1/2 - 1 Mile WNW
B17 6863 1/2 - 1 Mile WNW
B16 6864 1/2 - 1 Mile WNW
B15 6868 1/2 - 1 Mile WNW
B14 6873 1/2 - 1 Mile WNW
B13 6875 1/2 - 1 Mile WNW
B12 6879 1/2 - 1 Mile WNW
B11 6872 1/2 - 1 Mile WNW
B10 6869 1/2 - 1 Mile WNW
B9 6870 1/2 - 1 Mile WNW
B8 6871 1/2 - 1 Mile WNW
7 6881 1/2 - 1 Mile ENE
A4 6877 1/4 - 1/2 Mile NE
A3 6876 1/4 - 1/2 Mile NE
A2 6874 1/4 - 1/2 Mile NE

STATE DATABASE WELL INFORMATION

LOCATION

MAP ID WELL ID FROM TP
Note: PWS System location is not always the same as well location. 22 CA2700772 1/2 - 1 Mile SSW

FEDERAL FRDS PUBLIC WATER SUPPLY SYSTEM INFORMATION

LOCATION

MAP ID WELL ID FROM TP
21 USGS40000182665 1/2 - 1 Mile South
6 USGS40000182908 1/2 - 1 Mile West
1 USGS40000182869 1/4 - 1/2 Mile South

FEDERAL USGS WELL INFORMATION

LOCATION

MAP ID WELL ID FROM TP
GEOCHECK - PHYSICAL SETTING SOURCE SUMMARY ®
1453
Agenda Item # 10.

EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc. 8 0
1 2 0
1 6 0
2 80
2 0 0
2 0 0
2 8 0
2 4 0
2 4 0
2 4 0
4 0 40
8 0
40 40 40
4 0
2 80
2 4 0
2 0 0
2 0 0
1 60 1 6 0
1 6 0
1 2 0
1 2 0
120
1 2 0
80 8 0
80 CA
1454
Agenda Item # 10.

EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.

GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
Map ID
Direction
Distance
Elevation Database EDR ID Number
1 South
1/4 - 1/2 Mile
Higher
Click here for full text details FED USGS USGS40000182869 A2
NE
1/4 - 1/2 Mile
Lower
Click here for full text details CA WELLS 6874
A3
NE
1/4 - 1/2 Mile
Lower
Click here for full text details CA WELLS 6876
A4
NE
1/4 - 1/2 Mile
Lower
Click here for full text details CA WELLS 6877
5 NE
1/4 - 1/2 Mile
Lower
Click here for full text details AQUIFLOW 50011
6 West
1/2 - 1 Mile
Higher
Click here for full text details FED USGS USGS40000182908 7 ENE
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6881
B8
WNW
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6871
Page: 1 1455
Agenda Item # 10.

GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
Map ID
Direction
Distance
Elevation Database EDR ID Number
B9
WNW
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6870
B10
WNW
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6869
B11
WNW
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6872
B12
WNW
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6879
B13
WNW
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6875
B14
WNW
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6873
B15
WNW
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6868
B16
WNW
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6864
B17
WNW
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6863
Page: 2 1456
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GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
Map ID
Direction
Distance
Elevation Database EDR ID Number
B18
WNW
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6865
B19
WNW
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6867
B20
WNW
1/2 - 1 Mile
Lower
Click here for full text details CA WELLS 6866
21 South
1/2 - 1 Mile
Higher
Click here for full text details FED USGS USGS40000182665 22 SSW
1/2 - 1 Mile
Higher
Click here for full text details FRDS PWS CA2700772
C23
SSE
1/2 - 1 Mile
Higher
Click here for full text details CA WELLS 6896
C24
SSE
1/2 - 1 Mile
Higher
Click here for full text details CA WELLS 6878
C25
SSE
1/2 - 1 Mile
Higher
Click here for full text details CA WELLS 6897
C26
SSE
1/2 - 1 Mile
Higher
Click here for full text details CA WELLS 6906
Page: 3 1457
Agenda Item # 10.

GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS ®
Map ID
Direction
Distance
Elevation Database EDR ID Number
C27
SSE
1/2 - 1 Mile
Higher
Click here for full text details CA WELLS 6899
1G
NE
1/4 - 1/2 Mile
Lower
Click here for full text details AQUIFLOW 50011
Page: 4 1458
Agenda Item # 10.

Basement Not Reported Not Reported Not Reported Not Reported Living Area - 2nd Floor Not Reported Not Reported Not Reported Not Reported Living Area - 1st Floor 0.200 pCi/L 100% 0% 0%
Area Average Activity % <4 pCi/L % 4-20 pCi/L % >20 pCi/L Number of sites tested: 2
Federal Area Radon Information for Zip Code: 94022
: Zone 3 indoor average level < 2 pCi/L.
: Zone 2 indoor average level >= 2 pCi/L and <= 4 pCi/L.

Note: Zone 1 indoor average level > 4 pCi/L.

Federal EPA Radon Zone for SANTA CLARA County: 2
94022 60 3
______ ________ ________
Zipcode Num Tests > 4 pCi/L
Radon Test Results
State Database: CA Radon

AREA RADON INFORMATION

GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS
RADON
®
TC6253537.2s Page 5 1459
Agenda Item # 10.

EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.

TOPOGRAPHIC INFORMATION
USGS 7.5’ Digital Elevation Model (DEM)
Source: United States Geologic Survey
EDR acquired the USGS 7.5’ Digital Elevation Model in 2002 and updated it in 2006. The 7.5 minute DEM corresponds to the USGS 1:24,000- and 1:25,000-scale topographic quadrangle maps. The DEM provides elevation data with consistent elevation units and projection.

Source: U.S. Geological Survey

HYDROLOGIC INFORMATION
Flood Zone Data: This data was obtained from the Federal Emergency Management Agency (FEMA). It depicts 100-year and 500-year flood zones as defined by FEMA. It includes the National Flood Hazard Layer (NFHL) which incorporates Flood Insurance Rate Map (FIRM) data and Q3 data from FEMA in areas not covered by NFHL.

Source: FEMA
Telephone: 877-336-2627
Date of Government Version: 2003, 2015
NWI: National Wetlands Inventory. This data, available in select counties across the country, was obtained by EDR in 2002, 2005 and 2010 from the U.S. Fish and Wildlife Service.

State Wetlands Data: Wetland Inventory
Source: Department of Fish and Wildlife
Telephone: 916-445-0411

HYDROGEOLOGIC INFORMATION
AQUIFLOW Information System R
Source: EDR proprietary database of groundwater flow information EDR has developed the AQUIFLOW Information System (AIS) to provide data on the general direction of groundwater flow at specific points. EDR has reviewed reports submitted to regulatory authorities at select sites and has extracted the date of the report, hydrogeologically determined groundwater flow direction and depth to water table information.

GEOLOGIC INFORMATION
Geologic Age and Rock Stratigraphic Unit
Source: P.G. Schruben, R.E. Arndt and W.J. Bawiec, Geology of the Conterminous U.S. at 1:2,500,000 Scale - A digital representation of the 1974 P.B. King and H.M. Beikman Map, USGS Digital Data Series DDS - 11 (1994).

STATSGO: State Soil Geographic Database
Source: Department of Agriculture, Natural Resources Conservation Service (NRCS) The U.S. Department of Agriculture’s (USDA) Natural Resources Conservation Service (NRCS) leads the national Conservation Soil Survey (NCSS) and is responsible for collecting, storing, maintaining and distributing soil survey information for privately owned lands in the United States. A soil map in a soil survey is a representation of soil patterns in a landscape. Soil maps for STATSGO are compiled by generalizing more detailed (SSURGO) soil survey maps.

SSURGO: Soil Survey Geographic Database
Source: Department of Agriculture, Natural Resources Conservation Service (NRCS) Telephone: 800-672-5559
SSURGO is the most detailed level of mapping done by the Natural Resources Conservation Service, mapping scales generally range from 1:12,000 to 1:63,360. Field mapping methods using national standards are used to construct the soil maps in the Soil Survey Geographic (SSURGO) database. SSURGO digitizing duplicates the original soil survey maps. This level of mapping is designed for use by landowners, townships and county natural resource planning and management.

TC6253537.2s Page PSGR-1

PHYSICAL SETTING SOURCE RECORDS SEARCHED
1460
Agenda Item # 10.

LOCAL / REGIONAL WATER AGENCY RECORDS

FEDERAL WATER WELLS
PWS: Public Water Systems
Source: EPA/Office of Drinking Water
Telephone: 202-564-3750
Public Water System data from the Federal Reporting Data System. A PWS is any water system which provides water to at least 25 people for at least 60 days annually. PWSs provide water from wells, rivers and other sources.

PWS ENF: Public Water Systems Violation and Enforcement Data Source: EPA/Office of Drinking Water
Telephone: 202-564-3750
Violation and Enforcement data for Public Water Systems from the Safe Drinking Water Information System (SDWIS) after August 1995. Prior to August 1995, the data came from the Federal Reporting Data System (FRDS).

USGS Water Wells: USGS National Water Inventory System (NWIS) This database contains descriptive information on sites where the USGS collects or has collected data on surface water and/or groundwater. The groundwater data includes information on wells, springs, and other sources of groundwater.

STATE RECORDS
Water Well Database
Source: Department of Water Resources
Telephone: 916-651-9648
California Drinking Water Quality Database
Source: Department of Public Health
Telephone: 916-324-2319
The database includes all drinking water compliance and special studies monitoring for the state of California since 1984. It consists of over 3,200,000 individual analyses along with well and water system information.

OTHER STATE DATABASE INFORMATION
California Oil and Gas Well Locations
Source: Dept of Conservation, Geologic Energy Management Division Telephone: 916-323-1779
Oil and Gas well locations in the state.

California Earthquake Fault Lines
Source: California Division of Mines and Geology
The fault lines displayed on EDR’s Topographic map are digitized quaternary fault lines prepared in 1975 by the United State Geological Survey. Additional information (also from 1975) regarding activity at specific fault lines comes from California’s Preliminary Fault Activity Map prepared by the California Division of Mines and Geology.

RADON
State Database: CA Radon
Source: Department of Public Health
Telephone: 916-210-8558
Radon Database for California
Area Radon Information
Source: USGS
Telephone: 703-356-4020
The National Radon Database has been developed by the U.S. Environmental Protection Agency (USEPA) and is a compilation of the EPA/State Residential Radon Survey and the National Residential Radon Survey.

The study covers the years 1986 - 1992. Where necessary data has been supplemented by information collected at private sources such as universities and research institutions.

TC6253537.2s Page PSGR-2

PHYSICAL SETTING SOURCE RECORDS SEARCHED
1461
Agenda Item # 10.

EPA Radon Zones
Source: EPA
Telephone: 703-356-4020
Sections 307 & 309 of IRAA directed EPA to list and identify areas of U.S. with the potential for elevated indoor radon levels.

OTHER
Airport Landing Facilities: Private and public use landing facilities Source: Federal Aviation Administration, 800-457-6656
Epicenters: World earthquake epicenters, Richter 5 or greater Source: Department of Commerce, National Oceanic and Atmospheric Administration California Earthquake Fault Lines: The fault lines displayed on EDR’s Topographic map are digitized quaternary fault lines, prepared in 1975 by the United State Geological Survey. Additional information (also from 1975) regarding activity at specific fault lines comes from California’s Preliminary Fault Activity Map prepared by the California Division of Mines and Geology.

STREET AND ADDRESS INFORMATION
© 2015 TomTom North America, Inc. All rights reserved. This material is proprietary and the subject of copyright protection and other intellectual property rights owned by or licensed to Tele Atlas North America, Inc. The use of this material is subject to the terms of a license agreement. You will be held liable for any unauthorized copying or disclosure of this material.

TC6253537.2s Page PSGR-3

PHYSICAL SETTING SOURCE RECORDS SEARCHED
1462
Agenda Item # 10.

Appendix D:

SITE DOCUMENTATION AND REGULATORY

RECORDS
1463
Agenda Item # 10.

From: CEPA Public Records
To: Luke Swickard
Subject: Your CEPA public records request #20-1732 has been closed.

Date: Thursday, November 12, 2020 12:50:14 PM
-- Attach a non-image file and/or reply ABOVE THIS LINE with a message, and it will be sent to staff on this request. -- CEPA Public Records
Hi there
Record request #20-1732 has been closed. The
closure reason supplied was:

Good afternoon Luke,
Thank you for your recent record request received on 11/04/2020 for the following address in LOS ALTOS:
330 Distel Circle
We have no records for this location. However, additional electronic documents may be found on the following websites:

Local Oversight Program (LOP)
GEOTracker (GT)
Spill Reports Website – California Office of Emergency Services (Cal OES):

Please be advised that in some cities, other participating agencies may be responsible for maintaining the type of files you requested. This link may be of assistance in determining who will have the documents you are looking for in the future:

UNIDOCS – Who regulates what in Santa Clara County
1464
Agenda Item # 10.

View Request 20-1732

POWERED BY NEXTREQUEST
The All in One Records Requests Platform
Questions about your request? Reply to this email or sign in to contact staff at CEPA.

Technical support: See our help page
http://cepascc-ca.nextrequest.com/requests/20-1732
1465
Agenda Item # 10.

Site History Questionnaire.doc
Site Name:

Site Address:

Type of Business:

Current Owner:

Dates of Ownership: to
Previous Owner:

Dates of Ownership: to
Type(s) of Business:

Date of Original Construction of Site Building(s):

BACKGROUND & USE
What is the current use of the property?
Hotel/Motel Industrial/Storage/Warehouse: Type:

Warehouse (type): Vacant Land/Farming/Agricultural/Cattle Grazing Office Multi-Family Residential
Retail Other:

What is the intended future use of the property? _____________________________________________ Site Tenant History
Year(s) Tenant / Type of Business
Please fill in the following information regarding the site utilities, as appropriate and indicate the date service was originally initiated/installed:

Water Provider:

Sewer Provider:

Electrical Provider:

Natural Gas Provider:

Is the property currently used, or previously been used, for an industrial or manufacturing operation, as a gasoline station, a motor repair facility, a commercial printing facility, a dry cleaners, a photo developing laboratory, a junkyard or a landfill, or as a waste treatment, storage, disposal, processing or recycling facility? ___ Yes Type:_____________________________________________________ ___ No
___ Unknown
Midpeninsula Open Space District Property
330 Distel Circle, Los Altos, CA 94022
Administrative Government Office Building.

Midpeninsula Regional Open Space District
August 1990 Present
Gary P. Sheerer and James J. Lenihan
Unknown
Office Use
1975
X
Affordable Housing

N/A N/A
PG&E
x
1466
Agenda Item # 10.

Site History Questionnaire.doc
Has the facility or the property ever generated, treated, stored, transported or disposed of hazardous waste or hazardous substances other than on an incidental basis? Are waste manifest forms available? ___ Yes Description:_____________________________________________________ ___ No
___ Unknown
Have any demolition debris, hazardous substances, petroleum products, unidentified waste materials, automotive or industrial batteries, tires, trash or refuse been dumped, buried and/or burned on the property? ___ Yes Description:_____________________________________________________ ___ No
___ Unknown
TANKS (fuel tanks, oil tanks, etc)
Are there currently, or have there been previously, any underground storage tanks on the property such as gasoline/diesel fuel tanks, waste oil tanks?
___Yes ____ No ___Unknown
If YES, please provide number, size, age of tanks
# Tanks_____ Size____________ Contents_________________ Age_________ # Tanks_____ Size____________ Contents_________________ Age_________ # Tanks_____ Size____________ Contents_________________ Age_________ # Tanks_____ Size____________ Contents_________________ Age_________ Has there ever been a reported or unreported release or spill (including failed leak tests) from the tank? (If YES, provide details).
___Yes ____ No ___Unknown
Are there currently, or have there been previously, any above ground storage tanks on the property? ___Yes ____ No ___Unknown
If YES, please provide number, size, age of tanks
# Tanks_____ Size____________ Contents_________________ Age_________ # Tanks_____ Size____________ Contents_________________ Age_________ # Tanks_____ Size____________ Contents_________________ Age_________ # Tanks_____ Size____________ Contents_________________ Age_________ Has there ever been a reported or unreported release or spill (including failed leak tests) from the tank? (If YES, provide details).
___Yes ____ No ___Unknown
Has there ever been a reported or unreported release or spill from the tank? (If YES, provide details). ___Yes ____ No ___Unknown
Details:_______________________________________________________________ _____________________________________________________________________ x
x
x
x
x
x
x
1467
Agenda Item # 10.

Site History Questionnaire.doc

UTILITIES/DISCHARGES
Is the property served, or has the property been served, by a private water well? ___Yes ____ No ___Unknown
If yes, is groundwater under the property used as a source of drinking water? ___Yes ____ No ___Unknown
Has the water from the well ever been tested? (If YES, please provide test results) ___Yes ____ No ___Unknown
Has the well water been identified as contaminated by any governmental agency? ___Yes ____ No ___Unknown
Are there any groundwater monitoring wells or irrigation wells on the property? ___Yes ____ No ___Unknown
If Yes, how many____ and when were they installed?_______ Does the property discharge waste water, or storm water into a municipal sanitary sewer system? If Yes, does the facility discharge under an NPDES Permit or Waste Discharge Permit? ___Yes ____ No ___Unknown Permit Number/Agency:_______________________ Are there any current or previous sumps used for waste-water collection/treatment on the property? ___Yes ____ No ___Unknown
Are there any septic systems, dry wells or leach fields on the property? ___Yes ____ No ___Unknown If Yes, Where?:_______________________

ENVIRONMENTAL COMPLIANCE
Is there knowledge of environmental liens or governmental notification or involvement relating to past or current use or disposal of hazardous substances?
___Yes ____ No ___Unknown
Is there any environmental litigation, administrative action or cleanup action involving the property related to a release or threatened release of any hazardous substance or petroleum product? ___Yes ____ No ___Unknown
Has the property or related facilities or operations ever been the subject of enforcement actions by governmental authorities resulting in penalties of any kind? ___Yes ____ No ___Unknown
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
1468
Agenda Item # 10.

Site History Questionnaire.doc

ENVIRONMENTAL CONDITIONS
Has groundwater or soils on the property ever been tested? ___Yes ____ No ___Unknown
If Yes, provide details:
_____________________________________________________________________________ Have any contaminants been identified which exceed standards or guidelines levels? ___Yes ____ No ___Unknown
If Yes, provide details:
_____________________________________________________________________________

BUILDING CONDITIONS
What is/are the age of the structure(s)? _________________.

Have any major renovations been completed and if so, describe type and when completed:
____________________________________________________________________________________ Has an asbestos and/or lead-based paint survey been performed on the site structure(s)? ___Yes ____ No ___Unknown
If Yes, was asbestos containing materials identified?
___Yes ____ No
If Yes, was lead-based paint present identified?
___Yes ____ No

THIS QUESTIONNAIRE WAS COMPLETED BY
Name (Print)
Signature
Title
Address
Phone Number
Date
Please return the completed questionnaire (by email or fax) to Ninyo & Moore at the following address:

Randy L. Wheeler, Senior Geologist
Ninyo & Moore
1401 Halyard Drive, Suite 110
West Sacramento, California 95691
916-373-9858 (office)
916-373-9792 (fax)
916-317-3284 (cell)
[email protected]
x
x
45 years old
None under Midpen ownership.
x
Allen Ishibashi
Sr. Real Property Agent
330 Distel Circle, Los Altos
650-625-6546
11/6/2020
1469
Agenda Item # 10.

Appendix E:

HISTORICAL RESEARCH

DOCUMENTATION
1470
Agenda Item # 10.

Certified Sanborn® Map Report
Inquiry Number:
6 Armstrong Road, 4th floor
Shelton, CT 06484
Toll Free: 800.352.0050
www.edrnet.com
Distel Circle Property 330 Distel Circle Los Altos, CA 94022 November 04, 20206253537.3 1471
Agenda Item # 10.

Certified Sanborn® Map Report
Certified Sanborn Results:

Disclaimer - Copyright and Trademark Notice
EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources, Inc. or its affiliates. All other trademarks used herein are the property of their respective owners.
- page
The Sanborn Library includes more than 1.2 million
fire insurance maps from Sanborn, Bromley, Perris &
Browne, Hopkins, Barlow and others which track
historical property usage in approximately 12,000
American cities and towns. Collections searched:

Library of Congress
University Publications of America
EDR Private Collection
The Sanborn Library LLC Since 1866™
Limited Permission To Make Copies
Sanborn® Library search results
EDR Inquiry # Contact:

Site Name: Client Name:

Certification #
PO #
Project
11/04/20 330 Distel Circle Distel Circle Property Ninyo & Moore 309 S Summit View Dr Los Altos, CA 94022 6253537.3 Fort Collins, CO 80524 Randy Wheeler The Sanborn Library has been searched by EDR and maps covering the target property location as provided by Ninyo & Moore were identified for the years listed below. The Sanborn Library is the largest, most complete collection of fire insurance maps. The collection includes maps from Sanborn, Bromley, Perris & Browne, Hopkins, Barlow, and others. Only Environmental Data Resources Inc. (EDR) is authorized to grant rights for commercial reproduction of maps by the Sanborn Library LLC, the copyright holder for the collection. Results can be authenticated by visiting www.edrnet.com/sanborn.

The Sanborn Library is continually enhanced with newly identified map archives. This report accesses all maps in the collection as of the day this report was generated. 2A2E-4E26-9A90 NA UNMAPPED PROPERTY 402649015 This report certifies that the complete holdings of the Sanborn Library, LLC collection have been searched based on client supplied target property information, and fire insurance maps covering the target property were not found.

Certification #: 2A2E-4E26-9A90
Ninyo & Moore (the client) is permitted to make up to FIVE photocopies of this Sanborn Map transmittal and each fire insurance map accompanying this report solely for the limited use of its customer. No one other than the client is authorized to make copies. Upon request made directly to an EDR Account Executive, the client may be permitted to make a limited number of additional photocopies. This permission is conditioned upon compliance by the client, its customer and their agents with EDR's copyright policy; a copy of which is available upon request.

This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data Resources, Inc. It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist from other sources. NO WARRANTY EXPRESSED OR IMPLIED, IS MADE WHATSOEVER IN CONNECTION WITH THIS REPORT. ENVIRONMENTAL DATA RESOURCES, INC. SPECIFICALLY

DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE. ALL RISK IS ASSUMED BY THE USER. IN NO EVENT SHALL ENVIRONMENTAL DATA RESOURCES, INC. BE LIABLE TO ANYONE,

WHETHER ARISING OUT OF ERRORS OR OMISSIONS, NEGLIGENCE, ACCIDENT OR ANY OTHER CAUSE, FOR ANY LOSS OF DAMAGE, INCLUDING, WITHOUT LIMITATION, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES. ANY LIABILITY ON THE PART OF ENVIRONMENTAL DATA RESOURCES, INC. IS STRICTLY LIMITED TO A REFUND OF THE AMOUNT PAID FOR THIS REPORT. Purchaser accepts this Report "AS IS". Any analyses, estimates, ratings, environmental risk levels or risk codes provided in this Report are provided for illustrative purposes only, and are not intended to provide, nor should they be interpreted as providing any facts regarding, or prediction or forecast of, any environmental risk for any property. Only a Phase I Environmental Site Assessment performed by an environmental professional can provide information regarding the environmental risk for any property.

Additionally, the information provided in this Report is not to be construed as legal advice.

Copyright 2020 by Environmental Data Resources, Inc. All rights reserved. Reproduction in any media or format, in whole or in part, of any report or map of Environmental Data Resources, Inc., or its affiliates, is prohibited without prior written permission. 6253537 3 2 1472
Agenda Item # 10.

EDR Historical Topo Map Report
Inquiry Number:
6 Armstrong Road, 4th floor
Shelton, CT 06484
Toll Free: 800.352.0050
www.edrnet.com
with QuadMatch™
Distel Circle Property 330 Distel Circle Los Altos, CA 94022 November 04, 20206253537.4 1473
Agenda Item # 10.

EDR Historical Topo Map Report
EDR Inquiry #
Search Results:

P.O.#
Project:

Maps Provided:

Disclaimer - Copyright and Trademark Notice
EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources, Inc. or its affiliates. All other trademarks used herein are the property of their respective owners.
- page
Coordinates:

Latitude:

Longitude:

UTM Zone:

UTM X Meters:

UTM Y Meters:

Elevation:

Contact:

Site Name: Client Name:
2012
1997, 1999
1994, 1995
1980, 1981
1973
1968
1961
1953, 1955
1948
1947
1943
1902
1899
1897
11/04/20 Distel Circle Property Ninyo & Moore 330 Distel Circle 309 S Summit View Dr Los Altos, CA 94022 Fort Collins, CO 80524 6253537.4 Randy Wheeler EDR Topographic Map Library has been searched by EDR and maps covering the target property location as provided by Ninyo & Moore were identified for the years listed below. EDR’s Historical Topo Map Report is designed to assist professionals in evaluating potential liability on a target property resulting from past activities. EDRs Historical Topo Map Report includes a search of a collection of public and private color historical topographic maps, dating back to the late 1800s.

NA 37.396371 37° 23' 47" North 402649015 -122.105871 -122° 6' 21" West Zone 10 North 579142.07 4139219.62 85.33' above sea level This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data Resources, Inc. It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist from other sources. NO WARRANTY EXPRESSED OR IMPLIED, IS MADE WHATSOEVER IN CONNECTION WITH THIS REPORT. ENVIRONMENTAL DATA RESOURCES, INC. SPECIFICALLY

DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE. ALL RISK IS ASSUMED BY THE USER. IN NO EVENT SHALL ENVIRONMENTAL DATA RESOURCES, INC. BE LIABLE TO ANYONE,

WHETHER ARISING OUT OF ERRORS OR OMISSIONS, NEGLIGENCE, ACCIDENT OR ANY OTHER CAUSE, FOR ANY LOSS OF DAMAGE, INCLUDING, WITHOUT LIMITATION, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES. ANY LIABILITY ON THE PART OF ENVIRONMENTAL DATA RESOURCES, INC. IS STRICTLY LIMITED TO A REFUND OF THE AMOUNT PAID FOR THIS REPORT. Purchaser accepts this Report "AS IS". Any analyses, estimates, ratings, environmental risk levels or risk codes provided in this Report are provided for illustrative purposes only, and are not intended to provide, nor should they be interpreted as providing any facts regarding, or prediction or forecast of, any environmental risk for any property. Only a Phase I Environmental Site Assessment performed by an environmental professional can provide information regarding the environmental risk for any property.

Additionally, the information provided in this Report is not to be construed as legal advice.

Copyright 2020 by Environmental Data Resources, Inc. All rights reserved. Reproduction in any media or format, in whole or in part, of any report or map of Environmental Data Resources, Inc., or its affiliates, is prohibited without prior written permission. 6253537 4 2 1474
Agenda Item # 10.
page
Topo Sheet Key
This EDR Topo Map Report is based upon the following USGS topographic map sheets. -
2012 Source Sheets
2012
Mountain View

7.5-minute, 24000
2012
Palo Alto

7.5-minute, 24000
2012
Cupertino

7.5-minute, 24000
2012
Mindego Hill

7.5-minute, 24000
1997, 1999 Source Sheets
1997
Mindego Hill

7.5-minute, 24000
Aerial Photo Revised 1991
1997
Mountain View

7.5-minute, 24000
Aerial Photo Revised 1997
1999
Palo Alto

7.5-minute, 24000
Aerial Photo Revised 1999
1994, 1995 Source Sheets
1994
Palo Alto

7.5-minute, 24000
Aerial Photo Revised 1991
1995
Mountain View

7.5-minute, 24000
Aerial Photo Revised 1991
1995
Cupertino

7.5-minute, 24000
Aerial Photo Revised 1991
1995
Mindego Hill

7.5-minute, 24000
Aerial Photo Revised 1991
1980, 1981 Source Sheets
1980
Mindego Hill

7.5-minute, 24000
Aerial Photo Revised 1978
1980
Cupertino

7.5-minute, 24000
Aerial Photo Revised 1979
1981
Mountain View

7.5-minute, 24000
Aerial Photo Revised 1979
6253537 4 3
1475
Agenda Item # 10.
page
Topo Sheet Key
This EDR Topo Map Report is based upon the following USGS topographic map sheets. -
1973 Source Sheets
1973
Mindego Hill

7.5-minute, 24000
Aerial Photo Revised 1968
1973
Mountain View

7.5-minute, 24000
Aerial Photo Revised 1973
1973
Palo Alto

7.5-minute, 24000
Aerial Photo Revised 1973
1973
Cupertino

7.5-minute, 24000
Aerial Photo Revised 1973
1968 Source Sheets
1968
Mountain View

7.5-minute, 24000
Aerial Photo Revised 1968
1968
Mindego Hill

7.5-minute, 24000
Aerial Photo Revised 1968
1968
Cupertino

7.5-minute, 24000
Aerial Photo Revised 1968
1968
Palo Alto

7.5-minute, 24000
Aerial Photo Revised 1968
1961 Source Sheets
1961
Mountain View

7.5-minute, 24000
Aerial Photo Revised 1960
1961
Cupertino

7.5-minute, 24000
Aerial Photo Revised 1960
1961
Palo Alto

7.5-minute, 24000
Aerial Photo Revised 1960
1961
Mindego Hill

7.5-minute, 24000
Aerial Photo Revised 1960
1953, 1955 Source Sheets
1953
Palo Alto

7.5-minute, 24000
Aerial Photo Revised 1948
1953
Mountain View

7.5-minute, 24000
Aerial Photo Revised 1948
1953
Cupertino

7.5-minute, 24000
Aerial Photo Revised 1948
1955
Mindego Hill

7.5-minute, 24000
Aerial Photo Revised 1953
6253537 4 4
1476
Agenda Item # 10.
page
Topo Sheet Key
This EDR Topo Map Report is based upon the following USGS topographic map sheets. -
1948 Source Sheets
1948
Palo Alto
15-minute, 62500
Aerial Photo Revised 1948
1947 Source Sheets
1947

PALO ALTO
15-minute, 50000
1943 Source Sheets
1943
Palo Alto
15-minute, 62500
Aerial Photo Revised 1940
1902 Source Sheets
1902
Santa Cruz
30-minute, 125000
6253537 4 5
1477
Agenda Item # 10.
page
Topo Sheet Key
This EDR Topo Map Report is based upon the following USGS topographic map sheets. -
1899 Source Sheets
1899
Palo Alto
15-minute, 62500
1897 Source Sheets
1897
Palo Alto
15-minute, 62500
6253537 4 6
1478
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
2012 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, Mountain View, 2012, 7.5-minute
S, Cupertino, 2012, 7.5-minute
SW, Mindego Hill, 2012, 7.5-minute
NW, Palo Alto, 2012, 7.5-minute
6253537 4 7
1479
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
1997, 1999 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, Mountain View, 1997, 7.5-minute
SW, Mindego Hill, 1997, 7.5-minute
NW, Palo Alto, 1999, 7.5-minute
6253537 4 8
1480
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
1994, 1995 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, Mountain View, 1995, 7.5-minute
S, Cupertino, 1995, 7.5-minute
SW, Mindego Hill, 1995, 7.5-minute
NW, Palo Alto, 1994, 7.5-minute
6253537 4 9
1481
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
1980, 1981 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, Mountain View, 1981, 7.5-minute
S, Cupertino, 1980, 7.5-minute
SW, Mindego Hill, 1980, 7.5-minute
6253537 4 10
1482
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
1973 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, Mountain View, 1973, 7.5-minute
S, Cupertino, 1973, 7.5-minute
SW, Mindego Hill, 1973, 7.5-minute
NW, Palo Alto, 1973, 7.5-minute
6253537 4 11
1483
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
1968 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, Mountain View, 1968, 7.5-minute
S, Cupertino, 1968, 7.5-minute
SW, Mindego Hill, 1968, 7.5-minute
NW, Palo Alto, 1968, 7.5-minute
6253537 4 12
1484
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
1961 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, Mountain View, 1961, 7.5-minute
S, Cupertino, 1961, 7.5-minute
SW, Mindego Hill, 1961, 7.5-minute
NW, Palo Alto, 1961, 7.5-minute
6253537 4 13
1485
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
1953, 1955 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, Mountain View, 1953, 7.5-minute
S, Cupertino, 1953, 7.5-minute
SW, Mindego Hill, 1955, 7.5-minute
NW, Palo Alto, 1953, 7.5-minute
6253537 4 14
1486
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
1948 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, Palo Alto, 1948, 15-minute
6253537 4 15
1487
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
1947 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, PALO ALTO, 1947, 15-minute
6253537 4 16
1488
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
1943 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, Palo Alto, 1943, 15-minute
6253537 4 17
1489
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
1902 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, Santa Cruz, 1902, 30-minute
6253537 4 18
1490
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
1899 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, Palo Alto, 1899, 15-minute
6253537 4 19
1491
Agenda Item # 10.

Historical Topo Map
page
SITE NAME:

ADDRESS:

CLIENT:

This report includes information from the
following map sheet(s).
-
W E

SW S SE

NW N NE
1897 0 Miles 0.25 0.5 1 1.5 Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Ninyo & Moore TP, Palo Alto, 1897, 15-minute
6253537 4 20
1492
Agenda Item # 10.

The EDR Aerial Photo Decade Package
Distel Circle Property 330 Distel Circle Los Altos, CA 94022 Inquiry Number: November 04, 20206253537.8 6 Armstrong Road, 4th floor
Shelton, CT 06484
Toll Free: 800.352.0050
www.edrnet.com
1493
Agenda Item # 10.
2016 1"=500' Flight Year: 2016 USDA/NAIP
2012 1"=500' Flight Year: 2012 USDA/NAIP
2009 1"=500' Flight Year: 2009 USDA/NAIP
2006 1"=500' Flight Year: 2006 USDA/NAIP
1998 1"=500' Flight Date: August 27, 1998 USDA
1991 1"=500' Acquisition Date: January 01, 1991 USGS/DOQQ 1982 1"=500' Flight Date: July 05, 1982 USDA
1974 1"=500' Flight Date: June 26, 1974 USGS
1968 1"=500' Flight Date: June 14, 1968 USGS
1963 1"=500' Flight Date: June 24, 1963 EDR Proprietary Aerial Viewpoint 1956 1"=500' Flight Date: July 02, 1956 USDA
1950 1"=500' Flight Date: April 03, 1950 USDA
1948 1"=500' Acquisition Date: September 26, 1948 USGS/DOQQ 1943 1"=500' Flight Date: October 05, 1943 USDA
1939 1"=500' Flight Date: August 01, 1939 USDA
EDR Aerial Photo Decade Package 11/04/20 Distel Circle Property Site Name: Client Name: Ninyo & Moore 330 Distel Circle 309 S Summit View Dr Los Altos, CA 94022 Fort Collins, CO 80524 EDR Inquiry # 6253537.8 Contact: Randy Wheeler Environmental Data Resources, Inc. (EDR) Aerial Photo Decade Package is a screening tool designed to assist environmental professionals in evaluating potential liability on a target property resulting from past activities. EDR’s professional researchers provide digitally reproduced historical aerial photographs, and when available, provide one photo per decade. Search Results: Year Scale Details Source
When delivered electronically by EDR, the aerial photo images included with this report are for ONE TIME USE ONLY. Further reproduction of these aerial photo images is prohibited without permission from EDR. For more information contact your EDR Account Executive.

Disclaimer - Copyright and Trademark Notice
This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data Resources, Inc. It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist from other sources. NO WARRANTY EXPRESSED OR IMPLIED, IS MADE WHATSOEVER IN CONNECTION WITH THIS REPORT. ENVIRONMENTAL DATA RESOURCES, INC. SPECIFICALLY

DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE. ALL RISK IS ASSUMED BY THE USER. IN NO EVENT SHALL ENVIRONMENTAL DATA RESOURCES, INC. BE LIABLE TO ANYONE,

WHETHER ARISING OUT OF ERRORS OR OMISSIONS, NEGLIGENCE, ACCIDENT OR ANY OTHER CAUSE, FOR ANY LOSS OF DAMAGE, INCLUDING, WITHOUT LIMITATION, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES. ANY LIABILITY ON THE PART OF ENVIRONMENTAL DATA RESOURCES, INC. IS STRICTLY LIMITED TO A REFUND OF THE AMOUNT PAID FOR THIS REPORT. Purchaser accepts this Report "AS IS". Any analyses, estimates, ratings, environmental risk levels or risk codes provided in this Report are provided for illustrative purposes only, and are not intended to provide, nor should they be interpreted as providing any facts regarding, or prediction or forecast of, any environmental risk for any property. Only a Phase I Environmental Site Assessment performed by an environmental professional can provide information regarding the environmental risk for any property.

Additionally, the information provided in this Report is not to be construed as legal advice. Copyright 2020 by Environmental Data Resources, Inc. All rights reserved. Reproduction in any media or format, in whole or in part, of any report or map of Environmental Data Resources, Inc., or its affiliates, is prohibited without prior written permission.

EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources, Inc. or its affiliates. All other trademarks used herein are the property of their respective owners. 6253537 - 8 page 2 1494
Agenda Item # 10.
6253537.8 2016 = 500'
1495
Agenda Item # 10.
6253537.8 2012 = 500'
1496
Agenda Item # 10.
6253537.8 2009 = 500'
1497
Agenda Item # 10.
6253537.8 2006 = 500'
1498
Agenda Item # 10.
6253537.8 1998 = 500'
1499
Agenda Item # 10.
6253537.8 1991 = 500'
1500
Agenda Item # 10.
6253537.8 1982 = 500'
1501
Agenda Item # 10.
6253537.8 1974 = 500'
1502
Agenda Item # 10.
6253537.8 1968 = 500'
1503
Agenda Item # 10.
6253537.8 1963 = 500'
1504
Agenda Item # 10.
6253537.8 1956 = 500'
1505
Agenda Item # 10.
6253537.8 1950 = 500'
1506
Agenda Item # 10.
6253537.8 1948 = 500'
1507
Agenda Item # 10.
6253537.8 1943 = 500'
1508
Agenda Item # 10.
6253537.8 1939 = 500'
1509
Agenda Item # 10.

Distel Circle Property
330 Distel Circle
Los Altos, CA 94022
Inquiry Number: 6253537.5
November 09, 2020
The EDR-City Directory Image Report
6 Armstrong Road
Shelton, CT 06484
800.352.0050
Environmental Data Resources Inc www.edrnet.com
1510
Agenda Item # 10.

TABLE OF CONTENTS

SECTION
Executive Summary
Findings
City Directory Images
Thank you for your business.

Please contact EDR at 1-800-352-0050
with any questions or comments.

Disclaimer - Copyright and Trademark Notice
This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data Resources, Inc. It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist from other sources. NO WARRANTY EXPRESSED OR IMPLIED, IS MADE WHATSOEVER IN CONNECTION WITH THIS REPORT. ENVIRONMENTAL DATA RESOURCES, INC. SPECIFICALLY

DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE. ALL RISK IS ASSUMED BY THE USER. IN NO EVENT SHALL ENVIRONMENTAL DATA RESOURCES, INC. BE LIABLE TO ANYONE, WHETHER ARISING OUT OF ERRORS OR

OMISSIONS, NEGLIGENCE, ACCIDENT OR ANY OTHER CAUSE, FOR ANY LOSS OR DAMAGE, INCLUDING, WITHOUT LIMITATION, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES. ANY LIABILITY ON THE PART OF ENVIRONMENTAL DATA RESOURCES, INC. IS STRICTLY LIMITED TO A REFUND OF THE AMOUNT PAID FOR THIS REPORT. Purchaser accepts this Report "AS IS". Any analyses, estimates, ratings, environmental risk levels or risk codes provided in this Report are provided for illustrative purposes only, and are not intended to provide, nor should they be interpreted as providing any facts regarding, or prediction orforecast of, any environmental risk for any property. Only a Phase I Environmental Site Assessment performed by an environmental professional can provide information regarding the environmental risk for any property. Additionally, the information provided in this Report is not to be construed as legal advice.

Copyright 2020 by Environmental Data Resources, Inc. All rights reserved. Reproduction in any media or format, in whole or in part, of any report or map of Environmental Data Resources, Inc. or its affiliates is prohibited without prior written permission.

EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources, Inc. or its affiliates.

All other trademarks used herein are the property of their respective owners. 1511
Agenda Item # 10.

EXECUTIVE SUMMARY

DESCRIPTION
Environmental Data Resources, Inc.’s (EDR) City Directory Report is a screening tool designed to assist environmental professionals in evaluating potential liability on a target property resulting from past activities.

EDR’s City Directory Report includes a search of available city directory data at 5 year intervals.

RECORD SOURCES
EDR's Digital Archive combines historical directory listings from sources such as Cole Information and Dun & Bradstreet. These standard sources of property information complement and enhance each other to provide a more comprehensive report.

EDR is licensed to reproduce certain City Directory works by the copyright holders of those works. The purchaser of this EDR City Directory Report may include it in report(s) delivered to a customer. Reproduction of City Directories without permission of the publisher or licensed vendor may be a violation of copyright.

RESEARCH SUMMARY
The following research sources were consulted in the preparation of this report. A check mark indicates where information was identified in the source and provided in this report.

Year Target Street Cross Street Source
2017   EDR Digital Archive
2014   EDR Digital Archive
2010   EDR Digital Archive
2005   EDR Digital Archive
2000   EDR Digital Archive
1995   EDR Digital Archive
1992   EDR Digital Archive
1985   Haines Criss-Cross Directory
1981   Haines Criss-Cross Directory
1976   Haines Criss-Cross Directory
1971   Haines Criss-Cross Directory
6253537- 5 Page 1
1512
Agenda Item # 10.

FINDINGS

TARGET PROPERTY STREET
330 Distel Circle
Los Altos, CA 94022
Year CD Image Source

DISTEL CIR
2017 pg A1 EDR Digital Archive
2014 pg A2 EDR Digital Archive
2010 pg A3 EDR Digital Archive
2005 pg A4 EDR Digital Archive
2000 pg A5 EDR Digital Archive
1995 pg A6 EDR Digital Archive
1992 pg A7 EDR Digital Archive
1985 pg A8 Haines Criss-Cross Directory
1981 pg A10 Haines Criss-Cross Directory
1981 pg A9 Haines Criss-Cross Directory
1976 pg A11 Haines Criss-Cross Directory
1971 - Haines Criss-Cross Directory Street not listed in Source 6253537- 5 Page 2
1513
Agenda Item # 10.

FINDINGS

CROSS STREETS
No Cross Streets Identified
6253537- 5 Page 3
1514
Agenda Item # 10.

City Directory Images
1515
Agenda Item # 10.
-

DISTEL CIR
EDR Digital Archive
6253537.5 Page: A1
Target Street Cross Street Source
2017
330 THORNEWOOD
333 KO, OLIVER

OLIVER L KO CPA
370 PALO ALTO MEDICAL FOUNDATION
1516
Agenda Item # 10.
-

DISTEL CIR
EDR Digital Archive
6253537.5 Page: A2
Target Street Cross Street Source
2014
330 THORNEWOOD
333 GLOWLINK COMMUNICATIONS TECH
370 BROWN LLOYD MD PALO ALTO MEDICAL FOU

FLOYD JOYCELLEN MD PALO ALTO MEDICAL

HUA NANCY MD PALO ALTO MEDICAL FOUND

LASTUFKA FRANCIS MD PALO ALTO MEDICA

MCGANN K PATTI MD PALO ALTO MEDICAL

PALO ALTO MEDICAL FOUNDATION

STRAW WILLIAM E MD PALO ALTO MEDICAL

SUKHDEO SASTRI MD PALO ALTO MEDICAL

SUTCLIFFE TRENNA MD PALO ALTO MEDICA

WEIRICH ERICA MD PALO ALTO MEDICAL F

WOO KIRSTIN MD PALO ALTO MEDICAL FOU
1517
Agenda Item # 10.
-

DISTEL CIR
EDR Digital Archive
6253537.5 Page: A3
Target Street Cross Street Source
2010
333 GLOWLINK COMMUNICATIONS TECH

KO, OLIVER

Q SECURE
370 PALO ALTO MEDICAL FOUNDATION
1518
Agenda Item # 10.
-

DISTEL CIR
EDR Digital Archive
6253537.5 Page: A4
Target Street Cross Street Source
2005
325 RADIAL LABS INC
330 KAIDARA INC

KAIDARA SOFTWARE INC

MIDPENINSULA REGIONAL OPEN SP
333 APPOTECH USA INC

GLOWLINK COMMUNICATIONS TCH

PHALANXBIO INC

TUVOX INC
370 AMBERT CONSTRUCTION

OLIVER LAIMING CO

PACIFIC RIM SOURCING CORP

PALO ALTO MEDICAL FOUNDATION

PAMF CENTER
1519
Agenda Item # 10.
-

DISTEL CIR
EDR Digital Archive
6253537.5 Page: A5
Target Street Cross Street Source
2000
330 ALZHEIMERS ASSOCIATION

MIDPENINSULA REGIONAL OPEN SPACE DISTRICT

OPEN SPACE DISTRICT MIDPENINSULA REGIONAL OPEN SPACE DISTRI 333 TALARIAN CORPORATION
370 ALTOS ENGINEERING APPLICATIONS INCORPORATED

AMBERT CONSTRUCTION

BLCK WILLIAM J MD PALO ALTO MEDICAL CLINIC FOUNDATION

COSTALES FRED MD PALO ALTO MEDICAL FOUNDATION

GAVIN THERESA MD PALO ALTO MEDICAL FOUNDATION

HOOPER DAVID E MD PALO ALTO MEDICAL FOUNDATION

KO OLIVER L CPA

LIU ARTHUR C K MD PALO ALTO MEDICAL CLINIC LOS

LOUIS ALLEN ASSOCIATES INCORPORATED

M V DEVELOPMENT

MARTINO JULIA MD PALO ALTO MEDICAL FOUNDATION

MCGANN K PATTI MD PALO ALTO MEDICAL FOUNDATION

MIL KERED INCORPORATED

PACIFIC RIM SOURCING CORPORATION

PALO ALTO MEDICAL FOUNDATION

SEPETKA MARIA S MD PALO ALTO MEDICAL FOUNDATION

STRAW WILLIAM E MD PALO ALTO MEDICAL FOUNDATION

TRANS CONTINENTAL REAL ESTATE

TRUJILLO LAUREL MD PALO ALTO MEDICAL FOUNDATION

WONG JEFFREY H ATTORNEY LAW
1520
Agenda Item # 10.
-

DISTEL CIR
EDR Digital Archive
6253537.5 Page: A6
Target Street Cross Street Source
1995
330 INTERNATIONAL TECHNOLOGY GROUP
370 ALTOS ENGINEERING APPLICATIONS

BAYMARK BUSINESS PRODUCTS

DEWITT, E

LIR CORP

LOUIS ALLEN ASSOC INC

LOVE, ROBERT T
375 ASK COMPUTER SALES & SUPPORT
1521
Agenda Item # 10.
-

DISTEL CIR
EDR Digital Archive
6253537.5 Page: A7
Target Street Cross Street Source
1992
330 DESKTOP PRESENTATNS

INTL TECHNOLOGY GRP
370 ALTOS ENGRG APPLCTN

BAYMARK BSNS PRDCTS

L I R CORPORATION
375 ASK COMPUTER SYSTEM
1522
Agenda Item # 10.
-

DISTEL CIR
Haines Criss-Cross Directory
6253537.5 Page: A8
Target Street Cross Street Source
1985
1523
Agenda Item # 10.
-

DISTEL CIR
Haines Criss-Cross Directory
6253537.5 Page: A9
Target Street Cross Street Source
1981
1524
Agenda Item # 10.
-

DISTEL CIR
Haines Criss-Cross Directory
6253537.5 Page: A10
Target Street Cross Street Source
1981
1525
Agenda Item # 10.
-

DISTEL CIR
Haines Criss-Cross Directory
6253537.5 Page: A11
Target Street Cross Street Source
1976
1526
Agenda Item # 10.

Appendix F:

VAPOR ENCROACHMENT SCREENING
MATRIX
1527
Agenda Item # 10.

Vapor Encroachment Screening Matrix
Vapor Encroachment Screening Matrix 1
Phase I ESA Vapor Encroachment Conditions (VEC) matrix includes a (1) Search Radius Test, (2) Chemicals of Concern Test (COC), and (3) a Critical Distance Test [1]. (1) Search Radius Test: Are there any known or suspect contaminated properties in the primary area of concern within the corresponding search radii (including the site)? Yes No If No, then screening for a VEC is complete and no VEC currently exists, go to #4. If Yes, then:
(2) Chemicals of Concern Test: Are COC likely to be present within the area of concern for those known or suspect contaminated sites identified based on the Search Distance Test? Yes No If No, then screening for a VEC is complete and no VEC currently exists, go to #4. If Yes, then:
(3) Critical Distance Test*: A plume test to determine whether or not COC in the contaminated plume(s) may be within the critical distance.

Yes No (3a) Is information related to the contaminated(s) plume available (i.e. isoconcentration maps, site drawings, etc.)? (3b) If No, then a VEC cannot be ruled out; check Yes in #4 below indicating it is likely a VEC exists. If Yes, then:

Yes No
(3c) Is the site less than 100 feet to the nearest edge of a contaminated [nonpetroleum hydrocarbon] plume(s)? If Yes, then check Yes in #4 below indicating it is likely a VEC exists.

Yes No
(3d) Is the site less than 30 feet to the nearest edge of a dissolved petroleum hydrocarbon plume(s)? If Yes, then check Yes in #4 below indicating it is likely a VEC exists.
*If the distance from the nearest edge of a contaminated plume to the nearest existing or planned structure on the site is less than 100 feet for non-petroleum hydrocarbon COC, or less than 30 feet for dissolved petroleum hydrocarbons, then it is presumed that a VEC currently exists beneath the site. If the distance from the nearest edge of the contaminated plume is greater than or equal to 100 feet for non-petroleum hydrocarbons, or 30 feet for dissolved petroleum hydrocarbon chemicals of concern, then it is presumed unlikely that a VEC currently exists beneath the site. (4) Is it likely that a VEC currently exists beneath the site? Yes No
If No, then the VEC screening is complete and no further investigation is recommended at this time. If Yes, Ninyo & Moore recommends performing additional assessment, such as a Tier 2 VEC assessment according to ASTM E 2600-10.
[1] Based on guidance presented in the ASTM E 2600-10 Standard. 1528
Agenda Item # 10.

APPENDIX E

INTERVIEW DOCUMENTATION
1529
Agenda Item # 10.

PIERS ENVIRONMENTAL SERVICES

ENVIRONMENTAL QUESTIONAIRE / DISCLOSURE STATEMENT

AND PROPERTY OBSERVATION FORM

SUBJECT SITE
ADDRESS:

PERSON
INTERVIEWED:

TITLE: DATE:

USER / OR

KEY SITE

QUESTION MANAGER OWNER TENANT
PM

OBSERVED

1. Are you aware of any environmental
cleanup liens against the property that
are filed or recorded under federal,
tribal, state or local law?

2. Are you aware of any AULs, (Activity
and Land Use Limitations), such as,
engineering controls, land use
restrictions or institutional controls that
are in place at the site and/ or have
been filed or recorded in a registry
under federal, tribal, state or local law?

3. Do you have any specialized
knowledge, specific information and/or
direct experience in relation to
hazardous chemicals (types, quantities,
processes, disposal techniques) used at
the property or nearby properties?

4. Does the price being paid for this
property reasonably reflect the fair
market value of the property? If you
conclude that there is a difference,
have you considered whether the
lower purchase price is because
contamination is known or believed to
be present at the property?
If you indicate an affirmative response (YES) to any of the below listed questions, please attach a separate sheet with details explaining the issue.

PAGE 1 of 5 1530
Agenda Item # 10.

QUESTION OWNER TENANT
PM

OBSERVED

USER / OR

KEY SITE

MANAGER

5. Are you aware of any known or
reasonably ascertainable information
about the property that would help the
environmental professional to identify
conditions indicative of releases or
threatened releases? For example:

Do you know the past uses of the
property?
5A. Do you know the specific chemicals
that are present or once were present
at the property?
5B. Do you know of spills or other
chemicals releases that have taken
place on the property?
5C. Do you know of any environmental
cleanups that have taken place on the
property?
5D. Do you know of any environmental
violations in connection with the
Property?

6. Based on your knowledge and
experience related to the property are
there any obvious indicators that point
to the presence or likely presence of
contamination at the property?

7. Is the property or any adjoining
property currently used for an
industrial use?
7A) Did you observe evidence or do
you have any prior knowledge that the
property or adjoining property has
been used for an industrial use in the
past?

8. Is the property or adjoining
property currently or previously used
as a gasoline station, motor repair
facility, commercial printing facility, dry
cleaners, photo developing laboratory,
junkyard, landfill, waste treatment,
storage, disposal, processing, or
recycling facility?
PAGE 2 of 5 1531
Agenda Item # 10.

QUESTION OWNER TENANT
PM

OBSERVED

USER / OR

KEY SITE

MANAGER

9. Are there currently or were there
previously any discarded auto or
industrial batteries, or other chemicals
> 5 gal in volume or 50 gallons in the
aggregate on site?

10. Did you observe evidence or do
you have prior knowledge that fill dirt
has been brought onto the property
that originated from a contaminated
site or that is of an unknown origin?

11. Are there currently or were there
previously any pits, ponds, or lagoons
located on the property in connection
with waste treatment or waste
disposal?

12. Is there currently, or was there
previously any stained soil located on
the Property?

13. Are there currently or were there
previously any registered or
unregistered storage tanks (above or
underground) located on the property?

14. Are there currently or were there
previously any vent pipes, fill pipes, or
access ways indicating a fill pipe
protruding from the ground on the
property or adjacent to any structure
located on the property?

15. Is there currently or was there
previously evidence of leaks, spills or
staining by substances other than
water, or foul odors, associated with
any flooring, drains, walls, ceilings, or
exposed grounds on the property?
PAGE 3 of 5
1532
Agenda Item # 10.

QUESTION OWNER TENANT
PM

OBSERVED

USER / OR

KEY SITE

MANAGER

16. If the property is served by a
private well or non-public water
system, do you have any knowledge
that contaminants have been identified
in the well or system that exceed
allowable limits ?

17.Do you know of any past,
threatened, pending, violations of
environmental laws, lawsuits or
administrative proceedings concerning
a release or threatened release of any
hazardous substance or petroleum
products involving the property by any
owner or occupant of the property?

18. Have you been informed of the
current or past existence of hazardous
substances or petroleum products with
respect to the property or any facility
located on the property?

19. Do you have any knowledge of any
environmental assessment of the
property or facility that indicated the
presence of hazardous substances or
petroleum products on, or
contamination of, the property or
recommended further assessment of
the property?

20. Does the property discharge any
waste water (not including sanitary
waste or storm water) onto the
property or adjacent property and/or
into a sanitary sewer system or storm
water system?

21. Is there a transformer, capacitor,
or any hydraulic equipment, for which
there are any records indicating the
presence of PCBs?

22. Have any hazardous substances or
petroleum products, tires, auto or
industrial batteries or any other waste
materials been dumped above grade,
buried and/or burned on the property?
PAGE 4 of 5 1533
Agenda Item # 10.

Why are you having this project performed? (Please Check One) To qualify for LLP under CERCLA?
To understand potential environmental conditions impacting the use of the property ? Other, please state:

What type of transaction is taking place? (Please Check One) Purchase
Exchange
Refinance
Other
By signing this form below, I represent to the best of my knowledge, that the above facts and statements are true and correct and to the best of my knowledge no material facts have been suppressed or misstated.

SIGNATURE
PRINT NAME:

DATE:

RELATION TO
PROPERTY:

PAGE 5 of 5

USER / OR

KEY SITE

QUESTION MANAGER OWNER TENANT
PM

OBSERVED

23. Are there currently or were there
previously any water monitoring wells
located on the property?

24. Are there currently or were there
previously any water monitoring wells
located on any adjacent and/or nearby
properties?
1534
Agenda Item # 10.

APPENDIX F

QUALIFICATIONS OF ENVIRONMENTAL

PROFESSIONAL(S)
1535
Agenda Item # 10.

DONAL MANNING

SENIOR PROJECT MANAGER

ENVIRONMENTAL PROFESSIONAL
Mr. Manning serves as a PIERS Chief Executive Officer (CEO) and Senior Project Manager providing our clients and projects with outstanding expertise and reporting experience with Phase I Environmental Site Assessments, Phase II Subsurface Investigations, and remedial project oversight.

Mr. Manning joined PIERS in 2015 with a strong documented record of managing complex environmental remediation and geologic assessment projects. Prior to joining PIERS, Mr. Manning worked managed another environmental consulting firms since 2003. Mr. Manning has managed and assisted in performing Phase I and Phase II site investigations for city and county agencies, large corporations, lending institutions, real estate professionals and developers.

AS CEO, Mr. Manning is a key player in PIERS decision-making on complex projects and offers our clients superior knowledge on a vast array of environmental issues.
1536
Agenda Item # 10.

KAY PANNELL

SENIOR PROJECT MANAGER
REGISTERED ENVIRONMENTAL PROFESSIONAL #5800
REGISTERED ENVIRONMENTAL PROPERTY ASSESSOR #100002
M.S. GEOBIOLOGY
Ms. Pannell has successfully served PIERS since 2002. She brings over 26 years of experience in all aspects of environmental consulting, including Phase I Environmental Site Assessments, Phase II Subsurface Investigations, Phase III Remedial Project Oversight, Remedial Investigation/Feasibility Studies, Superfund Site Clean-up and Case Closure. Ms. Pannell’s extensive experience in the industry has given her comprehensive knowledge of environmental regulations, laws, and remedial applications technology, which she applies on a daily basis at PIERS.

Ms. Pannell brings to PIERS an extraordinary depth and breadth of experience, including work in soil and groundwater sampling and analysis, underground storage tank removal and remediation, lead and asbestos abatement, chemical lab packing, industrial landfill investigation and remediation, radioactive waste removal, unexploded ordinance disposal, and wetland characterizations. Ms. Pannell’s clients have included the U.S.

Navy, the U.S. Army Corps of Engineers, various oil companies, and private sector individuals. Her projects have ranged from investigations of a single site underground fuel tank leak, to the technical coordination for a Superfund site, to conducting scientific research on regional geologic conditions affecting a major military installation.

Ms. Pannell’s previous position as a Project Manager and technical coordinator for a nation-wide environmental consulting firm gave her the opportunity to work on the Navy CLEAN contract for naval base closures. The projects included water production well closure, radioactive waste removal at an industrial landfill, napalm-contaminated soil removal, lead-contaminated soil removal, groundwater contaminate plume characterizations, and a scientific research study of wetlands. Later, as a Quality Control Manager at another nation-wide environmental consulting firm, she expanded her expertise with U.S. Army Corps of Engineers contracts that included unexploded ordinance disposal, lead and asbestos abatement, industrial landfill remediation and closure, lead (bullet) removal from soil, and leaking underground storage tank removals.

Ms. Pannell’s exemplary project management skills come from years of experience in cost estimation, proposal and technical writing, scheduling, client and agency negotiations, subcontractor and vendor oversight, quality control management, and employee supervision. Ms. Pannell’s strong skills in data analysis and interpretation, diverse experience in project management, academic expertise, excellent communication skills, and outstanding rapport with environmental regulatory agencies make her an invaluable member of the PIERS team. Clients can depend upon Ms. Pannell’s integrity, efficiency, knowledge, and commitment to excellence on any project. 1537
Agenda Item # 10.
330 DISTEL CIRCLE

NOISE AND VIBRATION ASSESSMENT
Los Altos, California
May 10, 2022
Prepared for:

Natalie Noyes
Senior Project Manager
David J. Powers & Associates, Inc.
1736 Franklin Street, Suite 300
Oakland, CA 94612
Prepared by:

Micah Black
Michael S. Thill
429 E. Cotati Avenue
Cotati, CA 94931
(707) 794-0400
I&R Job No.: 21-178
1538
Agenda Item # 10.
1 INTRODUCTION
The construction of a residential complex is proposed at 330 Distel Circle, in the city of Los Altos, California. The project would consist of 90 apartment units within a five-story building located on a 0.87 acre site. The project would demolish the existing 12,120 square foot office building and associated surface parking and landscaping in order to construct a new, five-story apartment building totaling approximately 114,970 square feet. The apartment building would include 90, 100 percent affordable studio, one-, two-, and three-bedroom apartment units situated around a central courtyard on top of podium parking. The ground floor would contain the residential lobby, utility, trash, and maintenance rooms, bike storage, car parking (including mechanized parking stalls) and loading stalls. Apartments would be located on floors 2 – 5. The five-story building would have a maximum building height of 64 feet.

The project is bordered by Distel Circle and commercial offices to the east, a parking lot and commercial offices to the south, a school to the west, and a fast-food restaurant to the north. Singlefamily residential units are nearby to the southwest of the project site.

This report evaluates the project’s potential to result in significant noise and vibration impacts with respect to applicable California Environmental Quality Act (CEQA) guidelines. The report is divided into three sections: 1) the Setting Section provides a brief description of the fundamentals of environmental noise, summarizes applicable regulatory criteria, and discusses the results of the ambient noise monitoring survey completed to document existing noise conditions; 2) the General Plan Consistency Section discusses noise and land use compatibility utilizing policies in the City’s General Plan; and, 3) the Impacts and Mitigation Measures Section describes the significance criteria used to evaluate project impacts, provides a discussion of each project impact, and presents mitigation measures, where necessary, to provide a compatible project in relation to adjacent noise sources and land uses.

SETTING
Fundamentals of Environmental Noise
Noise may be defined as unwanted sound. Noise is usually objectionable because it is disturbing or annoying. The objectionable nature of sound could be caused by its pitch or its loudness. Pitch is the height or depth of a tone or sound, depending on the relative rapidity (frequency) of the vibrations by which it is produced. Higher pitched signals sound louder to humans than sounds with a lower pitch. Loudness is intensity of sound waves combined with the reception characteristics of the ear. Intensity may be compared with the height of an ocean wave in that it is a measure of the amplitude of the sound wave.

In addition to the concepts of pitch and loudness, there are several noise measurement scales which are used to describe noise in a particular location. A decibel (dB) is a unit of measurement which indicates the relative amplitude of a sound. The zero on the decibel scale is based on the lowest sound level that the healthy, unimpaired human ear can detect. Sound levels in decibels are calculated on a logarithmic basis. An increase of 10 decibels represents a ten-fold increase in acoustic energy, while 20 decibels is 100 times more intense, 30 decibels is 1,000 times more 1539
Agenda Item # 10.
2 intense, etc. There is a relationship between the subjective noisiness or loudness of a sound and its intensity. Each 10 decibel increase in sound level is perceived as approximately a doubling of loudness over a fairly wide range of intensities. Technical terms are defined in Table 1.

There are several methods of characterizing sound. The most common in California is the Aweighted sound level (dBA). This scale gives greater weight to the frequencies of sound to which the human ear is most sensitive. Representative outdoor and indoor noise levels in units of dBA are shown in Table 2. Because sound levels can vary markedly over a short period of time, a method for describing either the average character of the sound or the statistical behavior of the variations must be utilized. Most commonly, environmental sounds are described in terms of an average level that has the same acoustical energy as the summation of all the time-varying events.

This energy-equivalent sound/noise descriptor is called Leq. The most common averaging period is hourly, but Leq can describe any series of noise events of arbitrary duration.

The scientific instrument used to measure noise is the sound level meter. Sound level meters can accurately measure environmental noise levels to within about plus or minus 1 dBA. Various computer models are used to predict environmental noise levels from sources, such as roadways and airports. The accuracy of the predicted models depends upon the distance the receptor is from the noise source. Close to the noise source, the models are accurate to within about plus or minus 1 to 2 dBA.

Since the sensitivity to noise increases during the evening and at night -- because excessive noise interferes with the ability to sleep -- 24-hour descriptors have been developed that incorporate artificial noise penalties added to quiet-time noise events. The Community Noise Equivalent Level (CNEL) is a measure of the cumulative noise exposure in a community, with a 5 dB penalty added to evening (7:00 pm - 10:00 pm) and a 10 dB addition to nocturnal (10:00 pm - 7:00 am) noise levels. The Day/Night Average Sound Level (DNL or Ldn) is essentially the same as CNEL, with the exception that the evening time period is dropped and all occurrences during this three-hour period are grouped into the daytime period.

Effects of Noise
The thresholds for speech interference indoors are about 45 dBA if the noise is steady and above 55 dBA if the noise is fluctuating. Outdoors the thresholds are about 15 dBA higher. Steady noises of sufficient intensity (above 35 dBA) and fluctuating noise levels above about 45 dBA have been shown to affect sleep. Interior residential standards for multi-family dwellings are set by the State of California at 45 dBA Ldn. Typically, the highest steady traffic noise level during the daytime is about equal to the Ldn and nighttime levels are 10 dB lower. The standard is designed for sleep and speech protection and most jurisdictions apply the same criterion for all residential uses. Typical structural attenuation is 12 to 17 dB with open windows. With standard construction and closed windows in good condition, the noise attenuation factor is around 20 dB for an older structure and 25 dB for a newer dwelling. Sleep and speech interference is therefore of concern when exterior noise levels are about 57 to 62 dBA Ldn with open windows and 65 to 70 dBA Ldn if the windows are closed. Levels of 55 to 60 dBA are common along collector streets and secondary arterials, while 65 to 70 dBA is a typical value for a primary/major arterial. Levels of 75 to 80 dBA are normal noise levels at the first row of development outside a freeway right-of-way. In order to 1540
Agenda Item # 10.
3 achieve an acceptable interior noise environment, bedrooms facing secondary roadways need to be able to have their windows closed, those facing major roadways and freeways typically need special glass windows.

TABLE 1 Definition of Acoustical Terms Used in this Report Term Definition
Decibel, dB A unit describing, the amplitude of sound, equal to 20 times the logarithm to the base 10 of the ratio of the pressure of the sound measured to the reference pressure.

The reference pressure for air is 20 micro Pascals.

Sound Pressure Level Sound pressure is the sound force per unit area, usually expressed in micro Pascals (or 20 micro Newtons per square meter), where 1 Pascal is the pressure resulting from a force of 1 Newton exerted over an area of 1 square meter. The sound pressure level is expressed in decibels as 20 times the logarithm to the base 10 of the ratio between the pressures exerted by the sound to a reference sound pressure (e. g., 20 micro Pascals). Sound pressure level is the quantity that is directly measured by a sound level meter.

Frequency, Hz The number of complete pressure fluctuations per second above and below atmospheric pressure. Normal human hearing is between 20 Hz and 20,000 Hz.

Infrasonic sound are below 20 Hz and Ultrasonic sounds are above 20,000 Hz.

A-Weighted Sound Level,
dBA
The sound pressure level in decibels as measured on a sound level meter using the A-weighting filter network. The A-weighting filter de-emphasizes the very low and very high frequency components of the sound in a manner similar to the frequency response of the human ear and correlates well with subjective reactions to noise.

Equivalent Noise Level,
Leq
The average A-weighted noise level during the measurement period.

Lmax, Lmin The maximum and minimum A-weighted noise level during the measurement period.

L01, L10, L50, L90 The A-weighted noise levels that are exceeded 1%, 10%, 50%, and 90% of the time during the measurement period.

Day/Night Noise Level,
DNL or Ldn
The average A-weighted noise level during a 24-hour day, obtained after addition of 10 decibels to levels measured in the night between 10:00 pm and 7:00 am.

Community Noise
Equivalent Level, CNEL
The average A-weighted noise level during a 24-hour day, obtained after addition of 5 decibels in the evening from 7:00 pm to 10:00 pm and after addition of 10 decibels to sound levels measured in the night between 10:00 pm and 7:00 am.

Ambient Noise Level The composite of noise from all sources near and far. The normal or existing level of environmental noise at a given location.

Intrusive That noise which intrudes over and above the existing ambient noise at a given location. The relative intrusiveness of a sound depends upon its amplitude, duration, frequency, and time of occurrence and tonal or informational content as well as the prevailing ambient noise level.

Source: Handbook of Acoustical Measurements and Noise Control, Harris, 1998. 1541
Agenda Item # 10.
4 TABLE 2 Typical Noise Levels in the Environment
Common Outdoor Activities Noise Level (dBA) Common Indoor Activities 110 dBA Rock band
Jet fly-over at 1,000 feet
100 dBA
Gas lawn mower at 3 feet
90 dBA
Diesel truck at 50 feet at 50 mph Food blender at 3 feet 80 dBA Garbage disposal at 3 feet
Noisy urban area, daytime
Gas lawn mower, 100 feet 70 dBA Vacuum cleaner at 10 feet Commercial area Normal speech at 3 feet
Heavy traffic at 300 feet 60 dBA
Large business office
Quiet urban daytime 50 dBA Dishwasher in next room
Quiet urban nighttime 40 dBA Theater, large conference room Quiet suburban nighttime
30 dBA Library
Quiet rural nighttime Bedroom at night, concert hall
(background)
20 dBA
Broadcast/recording studio
10 dBA
0 dBA
Source: Technical Noise Supplement (TeNS), California Department of Transportation, September 2013.

1542
Agenda Item # 10.
5 Fundamentals of Groundborne Vibration
Ground vibration consists of rapidly fluctuating motions or waves with an average motion of zero.

Several different methods are typically used to quantify vibration amplitude. One method is the Peak Particle Velocity (PPV). The PPV is defined as the maximum instantaneous positive or negative peak of the vibration wave. In this report, a PPV descriptor with units of mm/sec or in/sec is used to evaluate construction generated vibration for building damage and human complaints.

Table 3 displays the reactions of people and the effects on buildings that continuous or frequent intermittent vibration levels produce. The guidelines in Table 3 represent syntheses of vibration criteria for human response and potential damage to buildings resulting from construction vibration.

Construction activities can cause vibration that varies in intensity depending on several factors.

The use of pile driving and vibratory compaction equipment typically generates the highest construction related groundborne vibration levels. Because of the impulsive nature of such activities, the use of the PPV descriptor has been routinely used to measure and assess groundborne vibration and almost exclusively to assess the potential of vibration to cause damage and the degree of annoyance for humans.

The two primary concerns with construction-induced vibration, the potential to damage a structure and the potential to interfere with the enjoyment of life, are evaluated against different vibration limits. Human perception to vibration varies with the individual and is a function of physical setting and the type of vibration. Persons exposed to elevated ambient vibration levels, such as people in an urban environment, may tolerate a higher vibration level.

Structural damage can be classified as cosmetic only, such as paint flaking or minimal extension of cracks in building surfaces; minor, including limited surface cracking; or major, that may threaten the structural integrity of the building. Safe vibration limits that can be applied to assess the potential for damaging a structure vary by researcher. The damage criteria presented in Table 3 include several categories for ancient, fragile, and historic structures, the types of structures most at risk to damage. Most buildings are included within the categories ranging from “Historic and some old buildings” to “Modern industrial/commercial buildings”. Construction-induced vibration that can be detrimental to the building is very rare and has only been observed in instances where the structure is at a high state of disrepair and the construction activity occurs immediately adjacent to the structure.

The annoyance levels shown in Table 3 should be interpreted with care since vibration may be found to be annoying at lower levels than those shown, depending on the level of activity or the sensitivity of the individual. To sensitive individuals, vibrations approaching the threshold of perception can be annoying. Low-level vibrations frequently cause irritating secondary vibration, such as a slight rattling of windows, doors, or stacked dishes. The rattling sound can give rise to exaggerated vibration complaints, even though there is very little risk of actual structural damage. 1543
Agenda Item # 10.
6 TABLE 3 Reaction of People and Damage to Buildings from Continuous or Frequent Intermittent Vibration Levels
Velocity Level,
PPV (in/sec) Human Reaction Effect on Buildings

0.01 Barely perceptible No effect

0.04 Distinctly perceptible Vibration unlikely to cause damage of any type to any structure

0.08 Distinctly perceptible to
strongly perceptible
Recommended upper level of the vibration to which
ruins and ancient monuments should be subjected

0.1 Strongly perceptible Threshold at which there is a risk of damage to fragile buildings with no risk of damage to most buildings

0.25 Strongly perceptible to severe Threshold at which there is a risk of damage to historic and some old buildings.

0.3 Strongly perceptible to severe Threshold at which there is a risk of damage to older residential structures

0.5 Severe - Vibrations considered
unpleasant
Threshold at which there is a risk of damage to new
residential and modern commercial/industrial structures Source: Transportation and Construction Vibration Guidance Manual, California Department of Transportation, April 2020.

Regulatory Background
The State of California and the City of Los Altos have established regulatory criteria that are applicable in this assessment. The State CEQA Guidelines, Appendix G, are used to assess the potential significance of impacts pursuant to local General Plan policies, Municipal Code standards, or the applicable standards of other agencies. A summary of the applicable regulatory criteria is provided below.

State CEQA Guidelines. The California Environmental Quality Act (CEQA) contains guidelines to evaluate the significance of effects of environmental noise attributable to a proposed project.

Under CEQA, noise impacts would be considered significant if the project would result in:
(a) Generation of a substantial temporary or permanent increase in ambient noise levels in the vicinity of the project in excess of standards established in the local general plan or noise ordinance, or applicable standards of other agencies; (b) Generation of excessive groundborne vibration or groundborne noise levels; (c) For a project located within the vicinity of a private airstrip or an airport land use plan or where such a plan has not been adopted within two miles of a public airport or public use airport, if the project would expose people residing or working in the project area to excessive noise levels.

Checklist items (a) and (b) are applicable to the proposed project. The project is not located within two miles of a public airport or in the vicinity of a private airstrip and would not expose people 1544
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7 residing or working in the project area to excessive aircraft noise levels; therefore, item (c) is not carried further in this analysis.
2019 California Building Code, Title 24, Part 2. The current version of the California Building Code (CBC) requires interior noise levels in multi-family residential units attributable to exterior environmental noise sources to be limited to a level not exceeding 45 dBA Ldn/CNEL in any habitable room.

City of Los Altos General Plan. The Natural Environment & Hazards Element of the City of Los Altos' General Plan contains the following Noise and Land Use Compatibility Standards policies that are applicable to the Project.

Policy 7.2: Enforce the following maximum acceptable noise levels for new construction of various noise-sensitive uses in an existing noise environment.  60 dBA CNEL is the maximum acceptable outdoor noise exposure level for single-family residential areas.
 65 dBA CNEL is the maximum acceptable outdoor noise exposure level for multiplefamily residential areas.  70 dBA CNEL is the maximum acceptable outdoor noise exposure level for schools (public and private), libraries, churches, hospitals, nursing homes, parks, commercial, and recreation areas. Excepted from these standards are golf courses, stables, water recreation, and cemeteries.

Policy 7.3: Work to achieve indoor noise levels not exceeding 45 dBA CNEL in the event that outdoor acceptable noise exposure levels cannot be achieved by various noise attenuation mitigation measures.

Policy 7.5: Require reasonable mitigation measures to reduce noise levels to those determined to be acceptable in the event that significant increased noise levels will result from an improvement to the circulation system.

Policy 7.9: Minimize stationary noise sources and noise emanating from construction activities.

City of Los Altos Municipal Code. Chapter 6.16 Noise Control of the City’s Municipal Code establishes noise level limits applicable to the project as follows:

6.16.050 Exterior noise limits.

A. Maximum permissible sound levels by receiving land use.

1. The noise standards for the various categories of land use identified by the noise control office as presented in Table 4 of this section, unless otherwise specifically indicated, shall apply to all such property within a designated zone.

2. No person shall operate, or cause to be operated, any source of sound at any location within the city, or allow the creation of any noise on property owned, leased, occupied, or otherwise 1545
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8 controlled by such person, which causes the noise level, when measured on any other property, either incorporated or unincorporated, to exceed:
a. The noise standard for that land use as specified in Table 4 for a cumulative period of more than thirty (30) minutes in any hour (L50); or
b. The noise standard plus five dB for a cumulative period of more than fifteen (15) minutes in any hour(L25); or
c. The noise standard plus ten (10) dB for a cumulative period of more than five (5) minutes in any hour(L08); or
d. The noise standard plus fifteen (15) dB for a cumulative period of more than one minute in any hour (L02); or
e. The noise standard plus twenty (20) dB or the maximum measured ambient for any period of time (Lmax);.

3. If the measured ambient level exceeds that permissible within any of the first four noise limit categories above, the allowable noise exposure standard shall be increased in five dB increments in each category as appropriate to encompass or reflect such ambient noise level.

In the event the ambient noise level exceeds the fifth noise limit category, the maximum allowable noise level under said category shall be increased to reflect the maximum ambient noise level.

4. If the noise measurement occurs on a property adjacent to a zone boundary, the noise level limit applicable to the lower noise zone, plus five dB, shall apply.

5. If possible, the ambient noise shall be measured at a consistent location on the property with the alleged offending noise source inoperative. If for any reason the alleged offending noise source cannot be shut down, the ambient noise shall be estimated by performing a measurement in the same general source at least ten (10) dB below the ambient in order that only the ambient level be measured. If the difference between the ambient and the noise source is five to ten (10) dB, then the level of the ambient itself can be reasonably determined by subtracting a one decibel correction to account for the contribution of the source.

B. Corrections for character of sound. In the event the alleged offensive noise contains a steady, audible tone, such as a whine, screech, or hum, or contains music or speech conveying informational content, the standard limits set forth in Table 4 shall be reduced by five dB.

TABLE 4: Exterior Noise Limits, L50
Receiving Land Use Category Time Period L50 Noise Level (dBA)* All R1 Zoning Districts 10:00 p.m. -- 7:00 a.m. 45
7:00 a.m. -- 10:00 p.m. 55
All R3 and PCF Zoning Districts 10:00 p.m. -- 7:00 a.m. 50 7:00 a.m. -- 10:00 p.m. 55
All OA Zoning Districts 10:00 p.m. -- 7:00 a.m. 55
7:00 a.m. -- 10:00 p.m. 60
All C Zoning Districts 10:00 p.m. -- 7:00 a.m. 60
7:00 a.m.--10:00 p.m. 65
* Levels not to be exceeded more than 30 minutes in any hour, L50 1546
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9 6.16.070 Prohibited acts.

A. Noise disturbances prohibited. No person shall unnecessarily make or continue, or cause to be made or continued, any noise disturbance.

B. Specific prohibitions. The following acts, and the causing or permitting thereof, are declared to be in violation of this chapter:

6. Construction and demolition.
a.
i. Single-family zoning districts. Operating or causing the operation of any tools or equipment used in construction, drilling, repair, alteration, or demolition work on weekdays before 7:00 a.m. and after 5:30 p.m. and on Saturdays before 9:00 a.m. or after 3:00 p.m. or any time on Sundays or the city observed holidays of New Year's Day, Memorial Day, Independence Day, Labor Day, Veterans' Day, Thanksgiving Day and Christmas Day, such that the sound therefrom creates a noise disturbance across a residential or commercial real property line, except for emergency work of public utilities or by special exception. This section shall apply to operations on residentially zoned property only. This section shall not apply to the use of lawn or garden tools;
ii. All other zoning districts (excluding single-family districts). Operating or causing the operation of any tools or equipment used in construction, drilling, repair, alteration, or demolition work on weekdays before 7:00 a.m. and after 7:00 p.m. and Saturdays before 9:00 a.m. or after 6:00 p.m. or any time on Sundays or the city observed holidays of New Year’s Day, Memorial Day, Independence Day, Labor Day, Veterans’ Day, Thanksgiving Day and Christmas Day, such that the sound there from creates a noise disturbance across a residential or commercial real property line, except for emergency work of public service utilities or by special exception. This section shall apply to operations on properties other than residentially zoned property. This section shall not apply to the use of lawn or garden tools;
b. Where technically and economically feasible, construction activities shall be conducted in such a manner that the maximum noise levels at affected properties will not exceed those listed in the following schedules (Table 5):
i: Mobile equipment. Maximum noise levels for the nonscheduled, intermittent, shortterm operation (less than ten (10) days) of mobile equipment:
ii: Stationary equipment. Maximum noise levels for the respectively scheduled and relatively long-term operation (periods of ten (10) days or more) of stationary equipment:

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10 TABLE 5: Maximum Noise Levels for the nonscheduled, Intermittent, and Short– Term Operations (Less than ten (10) days) for Mobile and Stationary Equipment All R1 Zoning
Districts
All PCF and R3
Zoning
Districts
All OA and C
Zoning
Districts
Daily, except Sundays and legal
holidays 7:00 a.m. & 7:00 p.m. 75 dBA 80 dBA 85 dBA
Daily, 7:00 p.m. & 7:00 a.m. and
all day Sundays and legal holidays
50 dBA 55 dBA 60 dBA
c. Deliveries, start-up and closing down. The construction times above shall apply to deliveries of materials and equipment, and arrival of workers, start-up and closing down and departure activities on a job site.

12. Air-conditioning or air-handling equipment. Operating or permitting the operation of any air-conditioning or air-handling equipment in such a manner as to exceed any of the following sound levels without a variance (Table 6):

TABLE 6: Air-Conditioning or Air-Handling Equipment Operational Sound Levels Measurement Location
Residentially zoned
properties, dB(A)
Any point on a neighboring property line, five feet above grade level, no closer than three feet from any wall 50 Center of a neighboring patio, five feet above grade level, no closer than three feet from any wall 45
Outside the neighboring living area window nearest the
equipment location, not more than three feet from the
window opening, but at least three feet from any other
surface
45 1548
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11 Existing Noise Environment
Figure 1 shows the project site, vicinity, and noise measurement locations. As shown on this figure, commercial land uses along Distel Circle exist to the east and south. Further south and southwest, there are single-family residences. Commercial office buildings exist northwest of the site. A noise monitoring survey was performed to quantify and characterize ambient noise levels at the site and in the project vicinity between Tuesday, March 22, 2022 and Thursday, March 24, 2022. The monitoring survey included two long-term noise measurements (LT-1 and LT-2) and three shortterm noise measurements (ST-1, ST-2, and ST-3). The noise environment at the site results primarily from vehicular traffic along El Camino Real. Vehicular traffic along Distel Circle, occasional aircraft, and intermittent autos in the parking lots also contribute to the noise environment.

Long-term noise measurement LT-1 was made near the northeast corner of the site, approximately 40 feet northwest of the Distel Circle centerline, and approximately 265 feet southwest of the El Camino Real centerline. This location was selected to quantify noise levels at the proposed building façade generated by traffic along El Camino Real and Distel Circle. Hourly average noise levels at this location ranged from 56 to 65 dBA Leq during the day and from 47 to 60 dBA Leq at night. The CNEL between Tuesday and Thursday averaged 62 dBA. The daily trends in noise levels at LT-1 for all measured days are shown in Figures 2-4.

Long-term noise measurement LT-2 was made in the southwest corner of the site, approximately 170 feet west of the Distel Circle centerline, and approximately 470 feet southwest of the El Camino Real centerline. This location was selected to quantify noise levels at the rear of the proposed building, and near adjacent residential and commercial land uses. Hourly average noise levels at this location ranged from 46 to 59 dBA Leq during the day and from 43 to 58 dBA Leq at night. The CNEL between Tuesday and Thursday averaged 55 dBA. The daily trends in noise levels at LT-2 for all measured days are shown in Figures 5-7.

Short-term noise measurement ST-1 was made on Thursday, March 24, 2022 over a ten-minute period starting at 10:40 a.m. ST-1 was made at the southeastern corner of the site. This location was selected to quantify the ambient noise levels at the proposed façade of the building furthest from El Camino Real. The 10-minute average noise level measured at this location was 54 dBA Leq.

Short-term noise measurement ST-2 was made on Thursday, March 24, 2022 over a ten-minute period starting at 11:10 a.m. ST-2 was made at the northwestern corner of the site. This location was selected to quantify the ambient noise levels at the corner of the proposed building closest to El Camino Real and nearby commercial uses. The 10-minute average noise level measured at this location was 54 dBA Leq.

Short-term noise measurement ST-3 was made on Thursday, March 24, 2022 over a ten-minute period starting at 12:00 p.m. ST-3 was made south of the site near the rear yards of single-family residential land uses. The 10-minute average noise level measured at this location was 50 dBA Leq.

Short-term noise measurement data is summarized in Table 7. 1549
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12 FIGURE 1 Noise Measurement Locations
Source: Google Earth 2022
TABLE 7 Summary of Short-Term Noise Measurement Data (dBA) Noise Measurement Location Lmax L(1) L(10) L(50) L(90) Leq ST-1: Southeastern corner of the site.
(03/24/2022, 10:40 a.m. - 10:50 a.m.) 71 64 56 50 47 54 ST-2: Northwestern corner of the site
(03/24/2022, 11:10 a.m. - 11:20 a.m.) 65 60 57 52 46 54 ST-3: South of the site.
(03/24/2022, 12:00 p.m. - 12:10 p.m.) 61 59 52 48 46 50

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13 FIGURES 2-7 Daily Trends in Noise Levels at LT-1 and LT-2 1551
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14 1552
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15 1553
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16 GENERAL PLAN CONSISTENCY ANALYSIS
The exposure of the proposed project to excessive levels of noise and vibration is not considered under CEQA. This section addresses the Noise and Land Use Compatibility of the project to determine consistency with the policies set forth in the City’s General Plan.

Noise and Land Use Compatibility
The applicable Los Altos General Plan policies were presented in detail in the Regulatory Background section and are summarized below for the proposed project:
 The City’s Noise Element establishes 65 dBA CNEL as the maximum acceptable outdoor noise exposure level for multiple-family residential areas.  The City’s standard for interior noise levels in residences is 45 dBA CNEL.

Future Exterior Noise at Outdoor Use Areas
The future noise environment at the project site would continue to result from vehicular traffic along El Camino Real. The average daily traffic (ADT) on El Camino Real was based on AM and PM peak-hour existing and future (cumulative plus project plus project) traffic volumes for the nearby roadway provided by the project’s traffic consultant. 1 Future traffic noise levels are calculated to increase by less than 0.2 dBA CNEL. The northern end of the building (nearest to El Camino Real) is located about 260 feet from the centerline of the roadway. The measured noise level at this location (represented by measurement LT-1), approximately 10 feet above the ground, was 62 dBA CNEL, and represents the noise exposure at the ground level and second floors of the proposed five story building. Buildings located between the project site and El Camino Real to the north, east, and west partially block the line of sight to the traffic reducing the noise from the roadway.

The front of the proposed building would face Distel Circle. The primary outdoor use area is a courtyard located on the second story of the rear side of the building, enclosed by four residential levels on the north, east, and south sides. The acoustical shielding provided by the building would reduce the noise level in the courtyard to 55 dBA CNEL or less in the common outdoor use area.

There are balconies shown on the side and rear facades of the building and the facades facing the courtyard. The noise level on the balconies directly facing El Camino Real would range from about 62 dBA CNEL on the second floor to about 67 dBA CNEL on the fourth and fifth floors. Noise levels on all other balconies would be substantially below 65 dBA CNEL given the distances from the roadway and shielding provided the building itself. These are not common use areas. It is generally recognized that noise guidelines are not applied to private balconies, given that it is not possible to mitigate the noise, and the balcony is a worthwhile benefit even if it is considered noisy.

The design for the project results in compatible noise levels in the primary outdoor use area and at most of the balconies consistent with the General Plan. 1 Email correspondence with Nick Towstopiat, Assistant Project Manager, David J. Powers & Associates, Inc., April 13, 2022. Attachment: 330 Distel Circle Volume Spreadsheet - AirQuality.xlsx. 1554
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17 Future Interior Noise Environment
The City of Los Altos, through policies in the General Plan and Building Code, requires that interior noise levels resulting from exterior sources of environmental noise, such as traffic, be maintained at 45 dBA CNEL or less inside new residences. The interior noise level depends on the noise level incident on the exterior of the building and the exterior-to-interior noise reduction provided by the building. As discussed above, the exterior noise exposure of the building facades would range from 67 dBA CNEL on the upper floors of the façade that would face El Camino Real to less than 55 dBA CNEL on the façade facing away from El Camino Real.

Interior noise levels would vary depending upon the design of the buildings (relative window area to wall area) and the selected construction materials and methods. Standard residential construction provides approximately 15 dBA of exterior-to-interior noise reduction, assuming the windows are partially open for ventilation. Standard construction with the windows closed provides approximately 20 to 25 dBA of noise reduction in interior spaces. Where exterior noise levels range from 60 to 65 dBA CNEL, the inclusion of adequate forced-air mechanical ventilation is often the method selected to reduce interior noise levels to acceptable levels by allowing for closing the windows to control noise. In noise environments of 65 to 70 dBA CNEL, a combination of forced-air mechanical ventilation and sound-rated windows and doors is often required to meet the interior noise level limit.

For consistency with the General Plan and Building Code, the following Conditions of Approval are recommended for consideration by the City:
 Provide a suitable form of forced-air mechanical ventilation, as determined by the local building official, for all residential units so that windows can be closed at the discretion of the occupants to control environmental noise.
 During final project design, after building elements have been designed and specified, a detailed acoustical design review shall be prepared and submitted to the City confirming that the design would result in interior noise levels at or below 45 dBA CNEL in all habitable rooms in the residential units.

NOISE IMPACTS AND MITIGATION MEASURES
This section describes the significance criteria used to evaluate project impacts under CEQA, provides a discussion of each project impact, and presents mitigation measures, where necessary, to provide a compatible project in relation to adjacent land uses.

Significance Criteria
The following criteria were used to evaluate the significance of environmental noise and vibration resulting from the project:

1. Temporary or Permanent Noise Increases in Excess of Established Standards. A significant impact would be identified if project construction or operations would result in a substantial temporary or permanent increase in ambient noise levels at sensitive receivers 1555
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18 in excess of the local noise standards contained in the Los Altos General Plan or Municipal Code, as follows:
o Operational Noise in Excess of Standards. A significant noise impact would be identified if the project would expose persons to or generate noise levels that would exceed applicable noise standards presented in the General Plan or Municipal Code.

The City of Los Altos limits sound levels generated by air-conditioning or airhandling equipment to 50 dBA at residential property lines and 45 dBA at residential patios and building façades. Other operational noise sources are subject limits to the levels specified in Table 4.
o Permanent Noise Increase. A significant impact would be identified if traffic or school activity noise generated by the project would substantially increase noise levels at sensitive receivers in the vicinity. A substantial increase would occur if:
a) the noise level increase is 5 dBA CNEL or greater, with a future noise level of less than 60 dBA CNEL, or b) the noise level increase is 3 dBA CNEL or greater, with a future noise level of 60 dBA CNEL or greater.
o Temporary Noise Increase. A significant temporary noise impact would be identified if construction would occur outside of the hours specified in the Municipal Code or if construction noise levels would exceed the City’s construction noise limits at adjacent noise sensitive land uses. Construction occurring during allowable hours is limited to 75 dBA in single-family residential areas, 80 dBA in multi-family residential areas, and 85 dBA in commercial areas.

2. Generation of Excessive Groundborne Vibration. A significant impact would be identified if the construction of the project would generate excessive vibration levels.

Groundborne vibration levels exceeding 0.3 in/sec PPV would be considered excessive as such levels would have the potential to result in cosmetic damage to buildings.

Impact 1: Temporary or Permanent Noise Increases in Excess of Established Standards.

Project traffic would not result in a substantial permanent noise level increase at existing noise-sensitive land uses in the project vicinity. However, existing noisesensitive land uses could be exposed to operational and construction noise levels in excess of the applicable noise thresholds. This is a potentially significant impact.

Permanent Noise Increases from On-Site Operational Noise The City of Los Altos limits sound levels generated by air-conditioning or air-handling equipment to 50 dBA at residential property lines and 45 dBA at residential patios and building façades. The descriptor for the noise limit is not specified. For consistency with the provisions of the code, a reasonable interpretation of this standard would identify the criteria as an hourly average Leq. Other operational noise sources are regulated by limits specified in Table 4.

Parking
Vehicle access to the project site would be provided by one driveway on Distel Circle, which would lead to the ground-level podium parking garage containing a total of 90 vehicle parking 1556
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19 spaces. The parking garage would include surface parking spaces and mechanical parking stalls that allow for the stacking of parked cars. These mechanical lift parking stalls provide multiple parking spaces per stall by stacking two cars vertically, and in some cases, with a third car stacked in a pit area below grade.

Noise measurements of a similar parking lift system were made in Redwood City, California by Illingworth & Rodkin, Inc. on September 6, 2018. The noise measurements recorded the sounds produced by a CityLift two level, 13 car mechanical lift, and these data were used to estimate noise levels produced by the proposed parking lift system. The lift equipment installed at the Redwood City parking facility was within an enclosed concrete structure and noise measurements were made at two locations inside the building facing the car stacker. The results of these measurements indicated that the average sound level for an operational cycle was 63 to 66 dBA Leq with a maximum instantaneous noise level of 74 to 76 dBA Lmax occurring when the upper lift came to rest at the lower position.

The nearest single-family residence to the southwest would be exposed to the highest operational noise levels produced by the mechanical lifts as the noise would leave the building through the open metal screens proposed to aid in the ventilation of the parking area. Based on the noise data collected during the operation of similar mechanical lifts, the nearest single-family residential receptor to the southwest would be exposed to average sound levels of 39 dBA Leq assuming up to 20-minutes of mechanical lift noise per hour, and maximum sound levels up to 54 dBA Lmax.

These noise levels would be audible, but would not exceed the City of Los Altos standards for average or maximum noise level events.

Noise associated with on-site circulation and parking for the townhomes would be similar to levels generated by use of the current parking lot and below noise levels generated by vehicular traffic traveling along El Camino Real and those specified in Table 4. This is a less-than-significant impact.

Mechanical Equipment
The proposed project would include mechanical equipment such as heating, ventilation, and air conditioning systems (HVAC). Based on the project plans, dated March 2, 2022, solar panels and air conditioning equipment (air-cooled condensing units) would be located on the southwestern side of the rooftop, about 120 feet from the nearest residential land use to the southwest. Typical residential air-cooled condensing units generate noise levels ranging from 50 to 60 dBA at 50 feet from the equipment, depending on the equipment selected. Noise from the rooftop equipment located is calculated to generate noise levels of up to 39 to 49 dBA Leq at the closest residential property line and nearest residential building. The projected noise levels are calculated to be below the property line limit but could exceed the limit at the nearest residential building façade by up to 4 dBA. This is a potentially significant impact.

Mitigation Measure 1a: The following mitigation measures would reduce this impact to a lessthan-significant level.

Prior to the issuance of building permits, air conditioning or air handling equipment shall be selected and/or designed to reduce noise levels on adjacent residences to meet the City’s 1557
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20 requirements. A qualified acoustical consultant shall be retained by the project applicant to review the selected equipment to determine it would comply with the City’s 45 dBA Leq residential noise limit at the nearest residential building. Noise reduction measures, if required, would include but are not limited to selection of quieter equipment and/or installation of noise barriers such as roof screens.

Permanent Noise Increases from Project Traffic
Neither the City of Los Altos nor the State of California define the traffic noise level increase that is considered substantial. A significant impact would typically be identified if project generated traffic were to result in a permanent noise level increase of 3 dBA CNEL or greater in a residential area where the resulting noise environment would exceed or continue to exceed 60 dBA CNEL or result in a permanent noise increase of 5 dBA CNEL or greater in a residential area where the resulting in a noise environment would continue to be 60 dBA CNEL or less. For reference, a 3 dBA CNEL noise increase would be expected if the project would double existing traffic volumes along a roadway.

As discussed previously, a review of the project’s trip traffic information indicates that there will be an increase in cumulative traffic plus project generated traffic noise of less than 0.2 dBA CNEL.

This is a less-than-significant impact.

Overall Operational Noise
The overall increase in noise levels attributable to the project would result primarily from vehicles in the parking garage and mechanical equipment noise sources. Operational noise levels from the parking lifts are calculated to reach 46 dBA CNEL, and operational noise levels from the mechanical equipment are assumed to be maintained at 45 dBA CNEL or less. The overall project generated noise level would be 49 dBA CNEL. When added to the existing CNEL measured as part of the noise survey (53 dBA CNEL), the noise environment at the nearest sensitive receptor is calculated to increase by up to 1 dBA CNEL. The increase in the CNEL noise level would not be detectable and would remain below the 5 dBA CNEL threshold that defines a substantial permanent noise increase. This is a less-than-significant impact.

Temporary Noise Increases from Project Construction
Chapter 6.16.070 of the City’s Municipal Code establishes allowable hours of construction within residentially zoned properties between 7:00 a.m. and 5:30 p.m. Monday through Friday and between 9:00 a.m. and 3:00 p.m. on Saturdays. Construction in all other zoning districts (excluding single-family districts) is permissible between 7:00 a.m. and 7:00 p.m. Monday through Friday and 9:00 a.m. and 6:00 p.m. on Saturdays. Construction activities are not permitted on Sundays or the City observed holidays of New Year’s Day, Memorial Day, Independence Day, Labor Day, Veterans’ Day, Thanksgiving Day and Christmas Day. In addition, where technically and economically feasible, maximum noise levels from construction activities should not exceed those listed in Tables 3 and 4 in Chapter 6.16.070 of the City’s Municipal Code. 1558
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21 The City also provides recommended maximum noise level limits for construction activities occurring over a period of less than 10 days but does not provide limits for longer duration construction. This analysis applies the noise limits to project construction, given that construction would occur for a period greater than 10 days. Construction occurring during allowable hours is limited to 75 dBA in single-family residential areas, 80 dBA in multi-family residential areas, and 85 dBA in commercial areas. This code is not explicit in terms of the acoustical descriptor associated with the noise level limit. A reasonable interpretation of this standard would identify the criteria as an hourly average Leq.

Noise impacts resulting from construction depend upon the noise generated by various pieces of construction equipment, the timing and duration of noise-generating activities, and the distance between construction noise sources and noise-sensitive areas. Construction noise impacts primarily result when construction activities occur during noise-sensitive times of the day (e.g., early morning, evening, or nighttime hours), if the construction occurs in areas immediately adjoining noise-sensitive land uses, or when construction lasts over extended periods of time.

Construction activities would include demolition, excavation, site preparation, grading, building construction, paving, and architectural coating. During each stage of construction, there would be a different mix of equipment operating, and noise levels would vary by stage and vary within stages, based on the amount of equipment in operation and the location at which the equipment is operating. The hauling of excavated materials and construction materials would generate truck trips on local roadways as well.

Typical construction noise levels at a distance of 50 feet are shown in Tables 8 and 9. Table 8 shows the average noise level ranges, by construction phase and Table 9 shows the maximum noise level ranges for different construction equipment. As shown in Tables 8 and 9, construction activities generate considerable amounts of noise, especially during demolition and earth-moving activities when heavy equipment is used. Hourly average noise levels generated by construction are about 65 to 88 dBA Leq for residential buildings, measured at a distance of 50 feet from the center of a busy construction site, as shown in Table 8. The typical range of maximum instantaneous noise levels for construction equipment used at this site would be 77 to 90 dBA Lmax at a distance of 50 feet, as shown in Table 9. Construction-generated noise levels drop off at a rate of about 6 dBA per doubling of the distance between the source and receptor. Shielding by buildings or terrain often result in lower construction noise levels at distant receptors.

Equipment expected to be used in each construction phase are summarized in Table 10, along with the quantity of each type of equipment, the reference noise level at 50 feet assuming the operation of the two loudest pieces of construction equipment, and the estimated noise levels at the nearest property lines projected from the center of the construction activity by phase. Federal Highway Administration’s (FHWA’s) Roadway Construction Noise Model (RCNM) was used to calculate the hourly average noise levels for each phase of construction, assuming the two loudest pieces of equipment would operate simultaneously, as recommend by the FTA for construction noise evaluations. This construction noise model includes representative sound levels for the most common types of construction equipment and the approximate usage factors of such equipment that were developed based on an extensive database of information gathered during the construction of the Central Artery/Tunnel Project in Boston, Massachusetts (CA/T Project or "Big 1559
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22 Dig"). The usage factors represent the percentage of time that the equipment would be operating at full power.

Project construction would occur within about 60 feet of the adjoining residential property to the southwest and commercial properties to the north and northeast. Construction would occur approximately 170 feet from the commercial building to the southwest and about 350 feet from the motel located across El Camino Real. Construction noise levels would be anticipated to exceed the single-family residential limit of 75 dBA when there is heavy construction activity within about 140 feet of the residential property to the southwest, and would not exceed the commercial limit of 85 dBA.

TABLE 8 Typical Ranges of Construction Noise Levels at 50 Feet, Leq (dBA) Domestic Housing
Office Building,
Hotel, Hospital,
School, Public
Works
Industrial Parking
Garage, Religious
Amusement &
Recreations, Store,
Service Station
Public Works
Roads & Highways,
Sewers, and
Trenches

I II I II I II I II
Ground
Clearing 83 83 84 84 84 83 84 84
Excavation 88 75 89 79 89 71 88 78
Foundations 81 81 78 78 77 77 88 88
Erection 81 65 87 75 84 72 79 78
Finishing 88 72 89 75 89 74 84 84
I - All pertinent equipment present at site.

II - Minimum required equipment present at site.

Source: U.S.E.P.A., Legal Compilation on Noise, Vol. 1, p. 2-104, 1973.

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23 TABLE 9 Construction Equipment 50-Foot Noise Emission Limits Equipment Category Lmax Level (dBA)1,2 Impact/Continuous Arc Welder
Auger Drill Rig
Backhoe
Bar Bender
Boring Jack Power Unit
Chain Saw
Compressor3
Compressor (other)
Concrete Mixer
Concrete Pump
Concrete Saw
Concrete Vibrator
Crane
Dozer
Excavator
Front End Loader
Generator
Generator (25 KVA or less)
Gradall
Grader
Grinder Saw
Horizontal Boring Hydro Jack
Hydra Break Ram
Impact Pile Driver
Insitu Soil Sampling Rig
Jackhammer
Mounted Impact Hammer (hoe ram)
Paver
Pneumatic Tools
Pumps
Rock Drill
Scraper
Slurry Trenching Machine
Soil Mix Drill Rig
Street Sweeper
Tractor
Truck (dump, delivery)
Vacuum Excavator Truck (vac-truck)
Vibratory Compactor
Vibratory Pile Driver
All other equipment with engines larger than 5
HP
73 85
80 80
80 85
70 80
85 82
90 80
85 85
85 80
82 70
85 85
85 80
90 105
84 85
90 85
85 77
85 85
82 80
80 84
84 85
80 95
85 Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Impact
Impact
Continuous
Impact
Impact
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Notes: 1 Measured at 50 feet from the construction equipment, with a “slow” (1 sec.) time constant. 2 Noise limits apply to total noise emitted from equipment and associated components operating at full power while engaged in its intended operation.
3 Portable Air Compressor rated at 75 cfm or greater and that operates at greater than 50 psi.

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24 TABLE 10 Construction Noise Levels
Phase Construction Equipment (Quantity)
Calculated Hourly Average Leq (dBA) at Nearest Property Lines From Operation of Two Loudest Pieces of Construction Equipment Noise Level
at 50 feet
Northwest
Commercial
(60 feet)
Northeast
Commercial
(60 feet)
Southeast
Commercial
(170 ft)
Southwest
Residential
(60 feet)
Demolition
Concrete/Industrial Saw (1)* Excavator (2) Rubber-Tired Dozer (1) Tractor/Loader/Backhoe (2)* 85 83 83 74 83
Site Preparation
Grader (2)* Rubber-Tired Dozer (2) Tractor/Loader/Backhoe (2) 84 82 82 73 82
Grading/
Excavation
Excavator (4) Grader (2) Rubber Tired Dozer (1) Concrete/Industrial Saw (2)* Tractor/Loader/Backhoe (2) 86 84 84 75 84
Trenching/
Foundation
Excavator (2)* Tractor/Loader/Backhoe (2)* 82 80 80 71 80 Building
Exterior
Crane (3) Forklift (2) Generator Set (1)* Tractor/Loader/Backhoe (2)* Welders (2) 82 80 80 71 80
Building
Interior/
Architectural
Coating
Aerial Lift (2) Air Compressor (10)* 77 75 75 66 75
Paving
Cement and Mortar Mixer (4) Paver (4) Paving Equipment (4) Roller (4) Tractor/Loader/Backhoe (4)* 83 81 81 72 81
*Denotes two loudest pieces of construction equipment per phase 1562
Agenda Item # 10.
25 Construction would comply with City of Los Altos’ Municipal Code specified hours of construction, but would be anticipated to exceed the construction noise limits during some periods of construction when heavy construction is located immediately adjacent to receptors. This is a potentially significant temporary impact.

Mitigation Measure 1b: Modification, placement, and operation of construction equipment are possible means for minimizing the impact of construction noise on existing sensitive receptors.

Construction equipment should be well-maintained and used judiciously to be as quiet as possible.

Additionally, construction activities for the proposed project should include the following best management practices to reduce noise from construction activities near sensitive land uses:
 Construction activities shall be limited to the hours between 7:00 a.m. and 5:30 p.m., Monday through Friday, and on Saturdays between 9:00 a.m. and 3:00 p.m., in accordance with the City’s Municipal Code. Construction is prohibited on Sundays and holidays unless permission is granted with a development permit or other planning approval.  Equip all internal combustion engine-driven equipment with intake and exhaust mufflers that are in good condition and appropriate for the equipment.  Unnecessary idling of internal combustion engines should be strictly prohibited.  Locate stationary noise-generating equipment, such as air compressors or portable power generators, as far as possible from sensitive receptors. If they must be located near receptors, adequate muffling (with enclosures where feasible and appropriate) shall be used reduce noise levels at the adjacent sensitive receptors. Any enclosure openings or venting shall face away from sensitive receptors.
 Utilize "quiet" air compressors and other stationary noise sources where technology exists.  A temporary noise barrier shall be erected along the northeast and southeast property lines of the residence at 311 Marich Way. The barrier should be designed to achieve a minimum 9-dBA of noise reduction for ground level activities and 5-dBA of noise reduction from upper level activities in order to reduce construction noise levels in the rear yard to 75 dBA Leq or less.
 Control noise from construction workers’ radios to a point where they are not audible at existing residences bordering the project site.
 The contractor shall prepare a detailed construction plan identifying the schedule for major noise-generating construction activities. The construction plan shall identify a procedure for coordination with adjacent residential land uses so that construction activities can be scheduled to minimize noise disturbance.
 Designate a "disturbance coordinator" who would be responsible for responding to any complaints about construction noise. The disturbance coordinator will determine the cause of the noise complaint (e.g., bad muffler, etc.) and will require that reasonable measures be implemented to correct the problem. Conspicuously post a telephone number for the 1563
Agenda Item # 10.
26 disturbance coordinator at the construction site and include in it the notice sent to neighbors regarding the construction schedule.

Implementation of the above best management practices would reduce construction noise levels emanating from the site, limit construction hours, and minimize disruption and annoyance. With the implementation of these measures and recognizing that noise generated by construction activities would occur over a temporary period, the impact would be less-than-significant.

Impact 2 Exposure to Excessive Groundborne Vibration due to Construction.

Construction-related vibration levels would not exceed 0.3 in/sec PPV at the nearest structures. This is a less-than-significant impact.

The City of Los Altos does not specify a construction vibration limit. For structural damage, the California Department of Transportation recommends a vibration limit of 0.5 in/sec PPV for buildings structurally sound and designed to modern engineering standards, 0.3 in/sec PPV for buildings that are found to be structurally sound but where structural damage is a major concern, and a conservative limit of 0.25 in/sec PPV for historic and some old buildings (see Table 3). The

0.3 in/sec PPV vibration limit would be applicable to properties in the vicinity of the project site.

The construction of the project may generate perceptible vibration when heavy equipment or impact tools (e.g., jackhammers, hoe rams) are used. Construction activities would include demolition, site preparation, grading and excavation, trenching and foundation, building (exterior), interior/ architectural coating and paving. Pile driving is not anticipated for construction of the building foundation.

Table 11 presents typical vibration levels from construction equipment at 25 feet. Jackhammers typically generate vibration levels of 0.035 in/sec PPV and drilling typically generates vibration levels of 0.09 in/sec PPV at 25 feet. Vibration levels would vary depending on soil conditions, construction methods, and equipment used. Table 11 also presents construction vibration levels calculated at the location of the nearest building about 50 feet away from the property site boundary. Vibration levels are highest close to the source, and then attenuate with increasing distance at the rate (Dref/D)1.1, where D is the distance from the source in feet and Dref is the reference distance of 25 feet.

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27 TABLE 11 Vibration Levels for Construction Equipment Equipment PPV at 25 ft.
(in/sec)
PPV at 50 ft.
(in/sec)
Clam shovel drop 0.202 0.094
Hydromill
(slurry wall)
in soil 0.002 0.001
in rock 0.004 0.002
Vibratory Roller 0.210 0.099
Hoe Ram 0.089 0.004
Large bulldozer 0.089 0.004
Caisson drilling 0.089 0.004
Loaded trucks 0.076 0.036
Jackhammer 0.035 0.016
Small bulldozer 0.003 0.001
Source: Transit Noise and Vibration Impact Assessment Manual, United States Department of Transportation, Office of Planning and Environment, Federal Transit Administration, September 2018, as modified by Illingworth & Rodkin, Inc., May 2022.

As indicated in Table 10, construction-related vibration levels would not exceed 0.3 in/sec PPV at the nearest structures. This is a less-than-significant impact.

Mitigation Measure 2: None required.
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330 Distel Circle
Transportation Analysis
Prepared for:

David J. Powers & Associates, Inc.

July 19, 2022
Hexagon Transportation Consultants, Inc.

Hexagon Office: 100 Century Center Court, Suite 501
San Jose, CA 95112
Hexagon Job Number: 21MH10
Phone: 408.971.6100
Client Name: David J. Powers & Associates, Inc.
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330 Distel Circle – Transportation Analysis July 19, 2022 Table of Contents
Executive Summary............................................................................................................................... iii

1. Introduction....................................................................................................................................1

2. Existing Conditions ........................................................................................................................9

3. CEQA Analysis ............................................................................................................................15

4. Local Transportation Analysis ......................................................................................................17 Appendices
Appendix A VMT Analysis
Appendix B Traffic Counts
Appendix C Turning Movement Volumes
Appendix D Level of Service Calculations
Appendix E Signal Warrant Analysis
Appendix F Walk n Roll Maps
Appendix G Parking Counts
List of Tables
Table ES-1 Intersection Level of Service Summary..............................................................................v Table 1 Signalized Intersection Level of Service Definitions Based on Control Delay.................... 6 Table 2 Unsignalized Intersection Level of Service Definitions Based on Control Delay................ 7 Table 3 Project Trip Generation Estimates .................................................................................. 18 Table 4 Existing Level of Service ................................................................................................ 24 Table 5 Existing Plus Project Intersection Level of Service Summary ......................................... 27 Table 6 Near-term Intersection Level of Service Summary.......................................................... 35 Table 7 Cumulative Intersection Level of Service Summary........................................................ 37 Table 8 Queuing Analysis ........................................................................................................... 39 Table 9 Parking Demand for Project............................................................................................ 45 Table 10 Parking Supply ............................................................................................................... 45 List of Figures
Figure 1 Site Location and Study Intersections............................................................................... 4 Figure 2 Site Plan........................................................................................................................... 5 Figure 3 Existing Bicycle Facilites ................................................................................................ 13 Figure 4 Existing Transit Services ................................................................................................ 14 Figure 5 Project Trip Distribution .................................................................................................. 19 Figure 6 Project Trip Assignment ................................................................................................. 20 Figure 7 Existing Lane Configuration............................................................................................ 22 Figure 8 Existing Traffic Volumes ................................................................................................. 23 Figure 9 Existing Plus Project Traffic Volumes ............................................................................. 26 Figure 10 Near-term Traffic Volumes.............................................................................................. 30 Figure 11 Near-term Plus Project Traffic Volumes.......................................................................... 31 Figure 12 Cumulative Traffic Volumes............................................................................................ 32 Figure 13 Cumulative Plus Project Traffic Volumes ........................................................................ 33 Figure 14 Vehicle Turning Template............................................................................................... 42 Figure 15 Parking Occupancy Count Locations.............................................................................. 47 1567
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Executive Summary
This study was conducted for the purpose of identifying the potential transportation impacts related to the proposed affordable housing development located at 330 Distel Circle in Los Altos, California. The project site is currently occupied by 12,120 square feet of office uses. The project proposes to replace the existing office building on site with a 90-unit, five-story affordable housing development. Vehicular access to the project site would be provided via a driveway to a parking garage located along Distel Circle.

The potential impacts of the project were evaluated in accordance with the standards set forth by the City of Los Altos’ Draft Vehicle Miles Travelled (VMT) Policy and Interim VMT Policy. The local transportation analysis supplements the VMT analysis by identifying potential adverse operational effects that may arise due to the new development, as well as evaluating the effects of the new development on site access, circulation, and other safety-related elements in the proximate area of the project. Potential impacts to pedestrians, bicycles, and transit were also considered.

Based on trip generation rates recommended by the Institute of Transportation Engineers (ITE), it is estimated that the proposed project would generate 296 net new daily trips, with 14 net new trips (-7 inbound and 21 outbound) during the AM peak hour and 24 net new trips (21 inbound and 3 outbound) during the PM peak hour. Trip credits were taken for the existing uses on site and proximity to a major bus stop.

Vehicular Miles Travelled (VMT) Analysis
The Los Altos’ Draft VMT Policy establishes screening criteria for developments that are expected to cause a less-than-significant transportation impact under CEQA and are not required to prepare further VMT analysis. According to the Draft VMT Policy, since the project proposes 100 percent affordable housing, it would meet the City’s screening criteria and would be presumed to have a less-than-significant transportation impact on VMT and would be screened out from further VMT analysis. Because the Draft VMT Policy has not yet been formally adopted, the project’s potential impact on VMT were evaluated according to the City’s Interim VMT Policy.

The City’s Interim VMT Policy sets a threshold of significance for residential VMT per capita at 15 percent below the regional average of 13.95 VMT per capita (or 11.86). Per the Santa Clara County map based VMT evaluation tool, the project site is located within an area with a residential VMT per capita of 9.51 without the project, which is below the threshold set forth in the interim policy. Therefore, the project would also be screened out from further analysis using the threshold of significance in the Interim VMT Policy. 1568
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330 Distel Circle – Transportation Analysis July 19, 2022 P a g e | iv
Local Transportation Analysis
The results of the intersection level of service analysis under existing conditions, near-term conditions, and cumulative conditions, with and without the project, are summarized in Table ES1. The results determined that the addition of project trips would not adversely affect traffic operations at the signalized study intersections because these trips would not increase the average delay at the intersection by more than four seconds.

The unsignalized intersections of San Antonio Road and Jordan Avenue and Distel Circle and El Camino Real operate at an unacceptable level of service during at least one peak hour under all study scenarios, without and with the project. Therefore, a signal warrant check was conducted for the intersections based on the peak-hour traffic warrant. The analysis shows that the signal warrant is not met at either of these intersections.

This report also makes the following conclusions and recommendations for the project:
• On-street parking should be prohibited approximately 40 feet to the south and 35 feet to the north of the project driveway. This would provide adequate sight distance for exiting drivers at the driveway to see the oncoming traffic along Distel Circle. The project driveway should also be free and clear of any obstructions such as shrubs or other landscape features to optimize sight distance, thereby ensuring that exiting vehicles can see pedestrians on the sidewalk and other vehicles traveling on Distel Circle. • The site plan does not provide the height of the pit for the three-level mechanical stacker.

Minimum 7 feet deep parking pits should be provided to accommodate the height of a design vehicle.
• The applicant should work with the City and Mission Trail Waste Systems to design a plan for waste collection service.
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330 Distel Circle – Transportation Analysis July 19, 2022 P a g e | v
Table ES-1
Intersection Level of Service Summary
# Intersection Peak Hour Count Date
Intersection
Control
LOS
Standard
Avg. Delay
(sec)1 LOS
Avg.

Delay
(sec)1 LOS
Incr. in Avg.

Crit Delay
(sec)
Incr. in
Crit V/C
Avg. Delay
(sec)1 LOS
Avg.

Delay
(sec)1 LOS
Incr. in Avg.

Crit Delay
(sec)
Incr. in
Crit V/C
Avg. Delay
(sec)1 LOS
Avg.

Delay
(sec)1 LOS
Incr. in Avg.

Crit Delay
(sec)
Incr. in
Crit V/C
1 Los Altos Avenue & El Camino Real AM 10/10/2019 Signal D 20.9 C 20.9 C 0.0 0.000 20.6 C 20.6 C 0.0 0.000 23.4 C 23.4 C 0.0 0.000 PM 10/10/2019 D 15.5 B 15.5 B 0.0 0.000 15.5 B 15.5 B -0.3 -0.001 19.3 B 19.3 B 0.0 0.000 2 Del Medio Avenue & El Camino Real AM 5/29/2019 Signal D 43.8 D 43.8 D 0.1 0.000 45.0 D 45.0 D 0.1 0.000 52.5 D 52.6 D 0.2 0.000 PM 5/29/2019 D 48.3 D 48.5 D 0.3 0.009 50.2 D 50.4 D 0.3 0.000 73.2 E 73.6 E 0.7 0.000 3 San Antonio Road & El Camino Real* AM 10/10/2019 Signal E 62.6 E 62.7 E 0.0 0.000 63.5 E 63.6 E 0.1 0.000 76.4 E 76.6 E 0.2 0.000 PM 10/10/2019 E 61.3 E 61.5 E 0.3 0.004 63.3 E 63.5 E 0.4 0.001 >80 F >80 F 0.8 0.002 4 Showers Drive & El Camino Real AM 4/12/2018 Signal D 49.7 D 49.8 D 0.1 0.000 50.5 D 50.6 D 0.1 0.000 57.8 E 58.1 E 0.4 0.000 PM 4/12/2018 D 53.8 D 53.9 D 0.3 0.004 55.0 E 55.2 E 0.3 0.000 75.6 E 76.2 E 0.9 0.007 5 Jordan Avenue & El Camino Real AM 10/22/2019 Signal D 19.0 B 19.0 B -0.8 -0.001 19.2 B 19.2 B 0.0 0.005 21.0 C 21.1 C 0.0 0.000 PM 10/22/2019 D 35.2 D 35.3 D 0.2 0.007 35.6 D 35.8 D 0.2 0.000 45.8 D 46.1 D 0.5 0.007 6 Ortega Avenue & El Camino Real AM 11/2/2021 Signal D 47.0 D 47.1 D 0.2 0.000 48.0 D 48.1 D 0.2 0.007 57.5 E 57.9 E 0.5 0.000 PM 11/2/2021 D 40.1 D 40.2 D 0.1 0.000 40.8 D 40.9 D 0.1 0.002 48.5 D 48.7 D -4.4 0.049 7 Distel Drive & El Camino Real AM 10/10/2019 Signal D 28.2 C 28.4 C 0.7 0.005 28.6 C 28.8 C 0.2 0.004 31.3 C 31.5 C 0.3 0.002 PM 10/10/2019 D 37.4 D 37.5 D 0.1 0.001 38.3 D 38.3 D 0.1 0.002 50.5 D 50.6 D 0.1 0.001 8 Rengstorff Avenue & El Camino Real* AM 10/10/2019 Signal E 50.2 D 50.2 D 0.0 0.001 51.6 D 51.6 D 0.3 -0.009 65.9 E 65.8 E -0.2 0.002 PM 10/10/2019 E 42.1 D 42.2 D 0.1 -0.003 44.1 D 44.1 D 0.1 0.002 55.9 E 55.9 E 0.1 0.002 9 San Antonio Road & Portola Avenue AM 10/10/2019 Signal D 19.5 B 19.5 B 0.0 0.005 19.8 B 19.8 B 0.0 0.002 32.5 C 32.5 C 0.1 0.000 PM 10/10/2019 D 10.2 B 10.2 B 0.0 0.000 10.3 B 10.3 B 0.0 0.000 11.0 B 11.0 B 0.0 0.000 10 San Antonio Road & Jordan Avenue AM 11/2/2021 TWSC D >80 F >80 F -0.5 0.000 >80 F >80 F -0.6 0.000 >80 F >80 F -1.7 0.000 PM 11/2/2021 D 63.6 F 63.8 F 0.1 0.000 66.6 F 66.7 F 0.2 0.000 >80 F >80 F 0.7 0.000 11 San Antonio Road & Almond Avenue AM 10/15/2019 Signal D 18.8 B 18.8 B -0.1 0.000 18.4 B 18.4 B 0.0 0.000 27.2 C 27.2 C -0.1 0.000 PM 10/15/2019 D 15.5 B 15.5 B 0.0 0.000 15.8 B 15.8 B 0.0 0.000 20.2 C 20.2 C 0.0 0.000 12 Distel Circle & El Camino Real AM 10/10/2019 TWSC D >80 F >80 F 1.4 0.160 >80 F >80 F 1.7 0.180 >80 F >80 F 4.6 0.440 PM 10/10/2019 D >80 F >80 F 9.3 0.040 >80 F >80 F 11.5 0.050 >80 F >80 F 76.1 0.140 13 Distel Drive & Marich Way AM 11/2/2021 TWSC D 18.4 C 18.5 C 0.1 0.000 18.7 C 18.8 C 0.1 0.000 25.2 D 25.4 D 0.2 0.000 PM 11/2/2021 D 10.5 B 10.6 B 0.0 0.000 10.6 B 10.6 B 0.0 0.000 11.0 B 11.0 B 0.0 0.000 14 Distel Circle & Distel Drive AM 11/2/2021 TWSC D 13.4 B 13.5 B 0.2 0.020 13.5 B 13.6 B 0.1 0.020 15.1 C 15.3 C 0.2 0.020 PM 11/2/2021 D 9.7 A 9.7 A 0.0 0.000 9.7 A 9.8 A 0.0 0.000 10.0 A 10.0 B 0.0 0.010 Notes:
* Denotes CMP Intersection
TWSC - Two Way Stop Control
1 Average delay is reported for signalized and worst movement delay is reported for stop-controlled intersections.

Bold indicates substandard level of service
Bold indicates noncompliance. The project exceeds thresholds in the Jurisdiction's Guidelines.

Cumulative Conditions
No Project Project Conditions
Existing Conditions Near-Term Conditions
No Project Project Conditions No Project Project Conditions 1570
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330 Distel Circle – Transportation Analysis July 19, 2022 P a g e | 1
Introduction
This report presents the results of the Transportation Analysis (TA) conducted for the proposed affordable housing development located at 330 Distel Circle in Los Altos, California (see Figure 1). The project site is currently occupied by 12,120 square feet of office uses. The project proposes to replace the existing office building on site with a 90-unit, five-story affordable housing development. Vehicular access to the project site would be provided via a driveway to a parking garage located along Distel Circle (see Figure 2).

CEQA Transportation Analysis Scope and Methodology
Senate Bill 743 (SB 743) requires local jurisdictions to use Vehicle Miles Traveled (VMT) instead of Level of Service (LOS) to analyze transportation impacts under the California Environmental Quality Act (CEQA). The City of Los Altos is in the process of developing a new citywide VMT Policy to comply with State law and provide established and consistent criteria for analyzing transportation impacts of development projects and long-range plans. The City of Los Altos’ Draft VMT Policy establishes procedures for determining project impacts on VMT based on project description, characteristics, and/or location. The City’s VMT methodology also includes screening criteria that are used to identify types, characteristics, and/or locations of projects that would not exceed the CEQA thresholds of significance. If a project or a component of a mixed-use project meets the screening criteria, it is then presumed that the project or the component would result in a less-than-significant VMT impact and a VMT analysis is not required. For a project that does not meet the screening criteria, a project’s VMT impact is determined by comparing the project VMT to the appropriate thresholds of significance based on the type of development. For residential developments, the threshold of significance set forth in the Draft VMT Policy is 15 percent below the citywide average daily VMT per capita.

However, since the City has not yet formally adopted the Draft VMT Policy, the project has also been analyzed according to the City’s interim VMT policy. The Interim VMT Policy sets a threshold of significance for residential VMT per capita at 15 percent below the regional average of 13.95 VMT per capita (or 11.86). Any project that does not have at least a 15 percent reduction would need to mitigate its impacts to less than significant based on this threshold.

Local Transportation Analysis Scope
The local transportation analysis supplements the VMT analysis by identifying potential adverse operational effects that may arise due to the new development, as well as evaluating the effects of the new development on site access, circulation, and other safety-related elements in the proximate area of the project.

The effects of the project were evaluated in accordance with the standards set forth by the City of Los Altos and the Santa Clara Valley Transportation Authority (VTA). 1571
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330 Distel Circle – Transportation Analysis July 19, 2022 P a g e | 2
The local transportation analysis includes an analysis of AM and PM peak hour traffic conditions for 10 signalized intersections and 4 unsignalized intersections in the vicinity of the project site. Since the project is expected to generate fewer than 100 net PM peak hour trips, a CMP roadway segment analysis is not required. An analysis of site access, on-site circulation, and transit, bicycle, and pedestrian access is also included.

Study Intersections

1. El Camino Real and Los Altos Avenue

2. El Camino Real and Del Medio Avenue

3. El Camino Real and San Antonio Avenue (CMP)

4. El Camino Real and Showers Drive

5. El Camino Real and Jordan Avenue

6. El Camino Real and Ortega Avenue

7. El Camino Real and Distel Drive

8. El Camino Real and Rengstorff Avenue (CMP)

9. N. San Antonio Road and W. Portola Avenue

10. N. San Antonio Road and Jordan Avenue (unsignalized)

11. N. San Antonio Road and Almond Avenue

12. El Camino Real and Distel Circle (unsignalized)

13. Marich Way and Distel Drive (unsignalized)

14. Distel Circle and Distel Drive (unsignalized)
Traffic conditions at the study intersections were analyzed for both the weekday AM and PM peak hours of adjacent street traffic. The AM peak hour typically occurs between 7:00 AM and 9:00 AM and the PM peak hour typically occurs between 4:00 PM and 6:00 PM on a regular weekday. These are the peak commute hours during which most traffic congestion occurs on the roadways.

Traffic conditions were evaluated for the following scenarios:

Scenario 1: Existing Conditions. Existing traffic volumes at study intersections were based on prepandemic traffic counts conducted in 2018 and 2019 and new counts collected in 2021 where pre-pandemic counts were not available. New counts were factored by comparing new counts to available pre-pandemic counts.

Scenario 2: Existing plus Project Conditions. Existing traffic volumes with the project were estimated by adding to existing traffic volumes the additional traffic generated by the project. Existing plus project conditions were evaluated relative to existing conditions in order to determine the effects the project would have on the existing roadway network.

Scenario 3: Near-term Conditions. Near-term traffic volumes were estimated by adding to existing traffic volumes the projected volumes from approved but not yet constructed projects that would generate trips at the study intersections.

Scenario 4: Near-term plus Project Conditions. Near-term traffic volumes with the project were estimated by adding to near-term traffic volumes the additional traffic generated by the project. Near-term plus project conditions were evaluated relative to near-term conditions.

Scenario 5: Cumulative (2040) Conditions. Cumulative traffic volumes were estimated by applying a one percent annual growth factor to existing traffic volumes and adding the projected volumes from approved and pending (proposed but not yet approved) projects that would generate trips at the study intersections.
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330 Distel Circle – Transportation Analysis July 19, 2022 P a g e | 3
Scenario 6: Cumulative (2040) Plus Project Conditions. Cumulative traffic volumes with the project were estimated by adding to cumulative traffic volumes the additional traffic generated by the project. Cumulative plus project conditions were evaluated relative to cumulative conditions.

Methodology
This section presents the methods used to determine the traffic conditions for each scenario described above. It includes descriptions of the data requirements, the analysis methodologies, and the applicable level of service standards.

Data Requirements
The data required for the analysis were obtained from new traffic counts, driveway counts, traffic studies for nearby projects, and field observations. The following data were collected from these sources:
• existing peak-hour intersection turning-movement volumes • lane configurations
• intersection signal timing and phasing
• trips for nearby approved and pending developments
Level of Service Standards and Analysis Methodologies
Traffic conditions at the study intersections were evaluated using level of service (LOS). Level of Service is a qualitative description of operating conditions ranging from LOS A, or free-flow conditions with little or no delay, to LOS F, or jammed conditions with excessive delays. The various analysis methods are described below.

Signalized Intersections
The City of Los Altos utilizes PTV VISTRO software and the Highway Capacity Manual (HCM), 6th Edition methodology to evaluate intersection operations. The HCM method evaluates signalized intersection operations on the basis of average control delay time for all vehicles at the intersection.

Control delay is the amount of delay that is attributed to the particular traffic control device at the intersection, and includes initial deceleration delay, queue move-up time, stopped delay, and final acceleration delay. The correlation between average delay and level of service is shown in Table 1. In the City of Los Altos, the level of service standard for signalized intersections is LOS D. The level of service standard for CMP signalized intersections is LOS E or better. 1573
Agenda Item # 10.

California St
Central Expwy
Los Altos Ave
W El Camino Real
Latham St
Jardin Dr
Pine Ln
Ortega Ave
Marich Way
Almond Ave
Clark Ave
Alvarado Ave
S Rengstorff Ave
Distel Dr
W Portola Ave
Loucks Ave
Mount Hamilton Ave N El Monte Ave
E Portola Ave
N San Antonio Rd
Los Altos Ave
Los
Altos
Mountain
View
1 2
3 9
10 11
4 5
6 7
12 13
14 8
A
Del Medio Ave
Showers Dr
Jordan Ave
Distel
Cir
Del Medio Ave
Showers Dr
Jordan Ave
Distel
X = Study Intersection
= Project Driveway
= Site Location
LEGEND
A
330 Distel Circle - TransportaƟon Analysis
Figure 1
Site Location and Study Intersections
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330 Distel Circle - TransportaƟon Analysis
Figure 2
Site Plan
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330 Distel Circle – Transportation Analysis July 19, 2022 P a g e | 6
Table 1
Signalized Intersection Level of Service Definitions Based on Control Delay Unsignalized Intersections
Level of service analysis at unsignalized intersections is generally used to determine the need for modification in the type of intersection control (i.e., all-way stop or signalization). As part of the evaluation, traffic volumes, delays and traffic signal warrants are evaluated to determine if the existing intersection control is appropriate.

For unsignalized intersections, level of service depends on the average delay experienced by vehicles on the stop-controlled approaches. Thus, for all-way stop controlled intersections, level of service is determined by the average delay for all movements through the intersection. For side street stop-controlled intersections (two-way or T-intersections), operations are defined by the average control delay experienced by vehicles entering the intersection from the stop-controlled approaches on minor streets or from left-turn approaches on major streets. For two-way or T-intersections, the level of service is reported based on the average delay for the worst approach. The level of service definitions for unsignalized intersections is shown in Table 2. The City of Los Altos does not have an adopted level of service standard for Source: Transportation Research Board, Highway Capacity Manual, 6th Edition , p.10-16.

F
This level of delay is considered unacceptable by most drivers. This condition often occurs with oversaturation, that is, when arrival flow rates exceed the capacity of the intersection. Poor progression and long cycle lengths may also be major contributing causes of such delay levels. greater than 80.0
D
The influence of congestion becomes more noticeable. Longer delays may result from some combination of unfavorable signal progression, long cycle lengths, or high volume-to-capacity (V/C) ratios. Many vehicles stop and individual cycle failures are noticeable.

35.1 to 55.0
E
This is considered to be the limit of acceptable delay. These high delay values generally indicate poor signal progression, long cycle lengths, and high volume-to-capacity (V/C) ratios. Individual cycle failures occur frequently.

55.1 to 80.0
B
Operations characterized by good signal progression and/or short cycle lengths. More vehicles stop than with LOS A, causing higher levels of average vehicle delay.

10.1 to 20.0
C
Higher delays may result from fair signal progression and/or longer cycle lengths. Individual cycle failures may begin to appear at this level. The number of vehicles stopping is significant, though some vehicles may still pass through the intersection without stopping.

20.1 to 35.0
Level of
Service Description
Average Control
Delay Per
Vehicle (sec.)
A
Signal progression is extremely favorable. Most vehicles arrive during the green phase and do not stop at all. Short cycle lengths may also contribute to the very low vehicle delay.

10.0 or less
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unsignalized intersections. For the purpose of this study, the minimum acceptable level of service for unsignalized intersections is LOS D.

Table 2
Unsignalized Intersection Level of Service Definitions Based on Control Delay Adverse Operational Effects on Nearby Intersections
For this analysis, the criteria used to determine an adverse effect on signalized intersections are based on City of Los Altos Level of Service standards. Adverse effects to the unsignalized study intersections were identified based on engineering judgment.

City of Los Altos Signalized Intersections
According to City of Los Altos level of service standard, a development is said to create an adverse operational effect on traffic conditions at a signalized intersection if for either peak hour, either of the following conditions occurs:

1. The level of service at the intersection drops below its respective level of service standard (LOS D or better for local intersections) when project traffic is added, or

2. An intersection that operates below its level of service standard under no-project conditions experiences an increase in critical-movement delay of four or more seconds, and the volume-tocapacity ratio (v/c) is increased by one percent (0.01) or more when project traffic is added.

An adverse operational effect at a signalized intersection is said to be satisfactorily mitigated when measures are implemented that would restore intersection operations back to background (without the project) conditions or better.

CMP Signalized Intersections
The definition of an adverse operational effect at a CMP intersection is the same as for the City of Los Altos, except that the CMP standard for acceptable level of service at a CMP intersection is LOS E or better. An adverse operational impact by CMP standards is said to be satisfactorily mitigated when measures are implemented that would restore intersection conditions to background conditions or better.

A Little or no traffic delay 10.0 or less
B Short traffic delays 10.1 to 15.0
C Average traffic delays 15.1 to 25.0
D Long traffic delays 25.1 to 35.0
E Very long traffic delays 35.1 to 50.0
F Extreme traffic delays greater than 50.0
Source: Transportation Research Board, Highway Capacity Manual, 6th Edition p17-2.

Level of Service Description Average Delay Per Vehicle (Sec.) 1577
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Unsignalized Intersections
The City of Los Altos has not established criteria to define an adverse operational effect for unsignalized intersections. Unlike signalized intersections, which typically represent constraint points for the roadway network, unsignalized intersections rarely limit the potential capacity of a roadway. The determination of appropriate improvements to unsignalized intersections typically includes a qualitative and quantitative analysis of movement delay, movement traffic volumes, intersection safety, and need for signalization. For this reason, adverse effects and the associated improvements to unsignalized intersections are frequently determined on the basis of professional judgment.

Report Organization
This report is divided into four chapters. Chapter 2 describes the existing roadway network, transit services, and pedestrian facilities. Chapter 3 presents a discussion of Vehicle Miles Traveled. Chapter 4 describes intersection operations and includes the analysis of other transportation issues including site access, on-site circulation, and pedestrian, bicycle, and transit facilities. 1578
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Existing Conditions
This chapter describes the existing conditions for transportation facilities in the vicinity of the site, including the roadway network, transit service, and pedestrian and bicycle facilities.

Existing Roadway Network
Regional access to the project is provided via State Route 82 (SR 82). Local access to the project site is provided via San Antonio Road, Rengstorff Avenue, Distel Drive, and Distel Circle. These facilities are described below.

SR 82, also known as El Camino Real, is a north-south arterial that extends from Daly City in the north to San Jose in the South. For the purpose of this study, El Camino Real is considered an east-west roadway. In the project vicinity, El Camino Real is six lanes wide, has landscaped medians with left-turn pockets at intersections, sidewalks on both sides of the street, and parking allowed on either side of the road in some locations. The speed limit on El Camino Real is 35 mph. It provides access to the project site via Distel Circle.

San Antonio Road is a north-south arterial that extends northward from Foothill Expressway to US 101. In the project vicinity, it is four lanes wide and has landscaped medians with left-turn pockets at intersections and bike lanes and sidewalks on both sides of the street. The speed limit on San Antonio Road is 35 mph.

Distel Drive is a north-south local street that extends southward from El Camino Real and ends in a cul de sac south of Marich Way. In the project vicinity, it is two lanes wide and parking is allowed on both sides of the street. North of Distel Circle, Distel Drive has sidewalks on both sides of the street.

Between Distel Circle and Marich Way, there is a sidewalk on only the west side of the street. There are no sidewalks south of Marich Way.

Rengstorff Avenue is a north-south arterial that extends northward from El Camino Real to Charleston Road. In the project vicinity, it is four lanes wide, has a left turning lanes at intersections, has a landscaped median, sidewalks on both sides of the street, and is a bike route. Parking is allowed along the street. The speed limit on Rengstorff Avenue is 35 mph.

Distel Circle is an L-shaped local street connecting El Camino Real to Distel Drive. It is two lanes wide and has sidewalks on both sides of the street. It provides direct access to the project site. 1579
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Existing Pedestrian and Bicycle Facilites
Existing Pedestrian Facilites
Pedestrian facilities consist of sidewalks, crosswalks, and pedestrian signals at signalized intersections.

In the vicinity of the project site, continuous sidewalks exist along Distel Circle, Distel Drive north of Distel Circle, El Camino Real, Los Altos Avenue, San Antonio Road, Del Medio Avenue, Showers Drive, Jordan Avenue, Ortega Avenue, Rengstorff Avenue, and Almond Avenue. Continuous sidewalks are not present along some of the local residential streets like Portola Avenue and Marich Way.

Crosswalks with pedestrian signal heads are present at the signalized intersections within the vicinity of the project site.

At the intersection of El Camino Real and Distel Circle, the City has installed a hybrid beacon signal head allowing pedestrians to safely cross El Camino Real. This pedestrian hybrid beacon signal (also known as the High intensity Activated Crosswalk or HAWK) is a pedestrian-activated warning device located on mast arms over a pedestrian crossing. The beacon head consists of two red lenses above a single yellow lens. The beacon head is “dark” until a pedestrian wants to cross the street. The pedestrian pushes a button to activate the beacon. After displaying brief flashing and steady yellow intervals, the device displays a steady red light for drivers on El Camino Real and a “WALK” sign to pedestrians, allowing them to cross while traffic is stopped. After the pedestrian phase ends, the “WALK” sign changes to a flashing orange hand to notify pedestrians that their clearance time is ending. The hybrid beacon displays alternating flashing red lights to drivers while pedestrians finish their crossings before once again going dark at the conclusion of the cycle. Without a pedestrian call, these beacon signals heads are dark, and El Camino Real is uncontrolled. Therefore, this intersection is analyzed as side-street stop controlled.

Existing Bicycle Facilites
Bicycle facilities in the vicinity of the project site include bike paths, protected bike lanes, bike lanes, and bike routes. Bike paths (Class I facilities) separate pedestrians and bicyclists from motor vehicle traffic; however, pedestrians and bicyclists may have to share the path with other active transportation users. Protected bike lanes (Class IV facilities) are for the exclusive use of bicycles and include a vertical or grade separation between the bikeway and motor vehicle traffic. Bike lanes (Class II facilities) are lanes on roadways designated for use by bicycles with special lane markings, pavement legends, and signage. Bike routes (Class III facilities) are roadways shared between bicycles and vehicles. Bike routes are often designated for use by bicycles with “sharrow” pavement markings and signage. The existing bicycle facilities within the study area are described below and are shown on Figure 3. While most streets in the project area lack bicycle facilities, they have slow traffic speeds and are conducive to bicycling.

Class I bike paths in the project area include a connection between Delphi Circle and Panchita Way and a connection between Los Altos Avenue and Arastradero Road.

Class IV protected bike lanes in the project area include:
• Almond Avenue between San Antonio Road and Alicia Way Class II bike lanes in the project area include:
• Almond Avenue between Alicia Way and El Monte Avenue
• San Antonio Road between Foothill Expressway and El Camino Real • California Street between Del Medio Avenue and Castro Street • Central Expressway between San Antonio Road and Moffett Boulevard 1580
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• Rengstorff Avenue between El Camino Real and Middlefield Road • Showers Drive between El Camino Real and Central Expressway • Jardin Drive between Valencia Drive and Alicia Way
• El Monte Avenue between Springer Road and O’Keefe Lane Class III bike routes in the project area include
• Los Altos Avenue between Edith Avenue and El Camino Real Existing Transit Service
Existing transit services (as of December 2021) in the study area are provided by the VTA and Mountain View and are shown on Figure 4. The project site is primarily served by four VTA bus routes (21, 22, 522, and 40), two Mountain View Community Shuttles (Gray Route and Red Route), and two Mountain View Go Shuttles (Mvgo C and D). The nearest bus stops to the project site are located near the intersection of El Camino Real and Distel Circle, approximately 300 feet from the project site and are serviced by Bus Route 22 and the Mvgo shuttles.

Route 21 provides service between the Palo Alto Transit Center and the Santa Clara Transit Center.

Near the project site, it provides service along San Antonio Road, Showers Drive and California Street.

On weekdays, it provides service between 5:37 AM and 8:49 PM with headways of approximately 30 minutes.

Route 22/522 provides service between the Palo Alto Transit Center and the Eastridge Transit Center via El Camino Real. Near the project site, it provides service along El Camino Real, with a bus stop located approximately 300 feet from the project site. On weekdays, it provides service between 4:25 AM and 3:01 AM with headways of approximately 10-15 minutes. Rapid 522 follows the same path as Route 22 but with limited stops. The closest bus stop to the project site serviced by Rapid 522 is located at the intersection of El Camino Real and Showers Drive at a distance of approximately 0.5 miles. It provides service every 10 to 20 minutes between 5:22 AM and 11:11 PM on weekdays.

Route 40 provides service between Foothill College and the Mountain View Transit Center via San Antonio Road, Rengstorff Avenue, and Shoreline Drive. Near the project site, it provides service along San Antonio Road, El Camino Real, Showers Drive, California Street, and Rengstorff Avenue with a bus stop located at the intersection of Showers Drive and El Camino Real, approximately 0.4 miles from the project site. On weekdays, it provides service between 6:25 AM and 10:28 PM with headways of approximately 30 minutes.

Mountain View Community Shuttle is a free shuttle service with two routes (Gray – Clockwise, Red – Counterclockwise) operated by the Mountain View Transportation Management Association in partnership with the City of Mountain View and funded by Google. It provides service to the Mountain View Downtown Transit Center, Whisman and Middlefield Roads, Rengstorff Park, and the Senior Center, and forms a loop around the City of Mountain View. Bus stops are located near the intersection of California Street and Rengstorff Avenue, approximately 0.5 miles from the project site. Service on weekdays is provided between 10:00 AM and 5:55 PM with approximately 30-minute headways.

Mountain View Go (Mvgo) service is a free shuttle service operated by the Mountain View Transportation Management Association. Routes C and D provide service in the project area with bus stops along El Camino Real near the intersection of Distel Circle, approximately 300 feet from the project site. The routes provide service to the Mountain View Transit Center via San Antonio Road, El Camino Real, Shoreline Boulevard, Charleston Road, and Garcia Avenue. Route C operates in the morning between 6:35 AM and 9:52 AM with headways of approximately 15 minutes and in the evening between 3:32 PM and 7:56 PM with headways of approximately 60 minutes. Route D operates in the 1581
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morning between 6:40 AM and 10:05 AM with headways of approximately 40 minutes and in the evening between 2:49 PM and 8:03 PM with headways of approximately 45 minutes. 1582
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Los
Altos
Mountain
View
California St
Central Expwy
Los Altos Ave
W El Camino Real
Latham St
Jardin Dr
Valencia Dr
Alicia Wy
Pine Ln
Ortega Ave
Marich Way
Almond Ave
Clark Ave
Alvarado Ave
S Rengstorff Ave
Distel Dr
W Portola Ave
Loucks Ave
Mount Hamilton Ave
N El Monte Ave
E Portola Ave
N San Antonio Rd
Los Altos Ave
Del Medio Ave
Showers Dr
Jordan Ave
Distel Cir
Del Medio Ave
Showers Dr
= Site Location
LEGEND
= Existing Bike Lanes (Class II Bikeway)
= Existing Bike Routes (Class III Bikeway)
= Existing Bike Paths (Class I Bikeway)
= Existing Protected Bicycle Lane (Class IV Bikeway)
330 Distel Circle - TransportaƟon Analysis
Figure 3
Existing Bicycle Facilities
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California St
Central Expwy
Los Altos Ave
W El Camino Real
Latham St
Jardin Dr
Pine Ln
Ortega Ave
Marich Way
Almond Ave
Clark Ave
Alvarado Ave
S Rengstorff Ave
Distel Dr
W Portola Ave
Loucks Ave
Mount Hamilton Ave N El Monte Ave
E Portola Ave
N San Antonio Rd
Los Altos Ave
Los
Altos
Mountain
22 View
522
21 21
21 21
21 21
40 40
40 40
40 21
Del Medio Ave
Showers Dr
Jordan Ave
Distel Cir
Del Medio Ave
Showers Dr
= Site Location
LEGEND
= Local Bus Route
= Frequent Bus Route
= Rapid Bus 522
= Mountain View Shuttle
= MVgo Shuttle
= Bus Stop and Route Number
22,
MVgo C
22,
MVgo D 22
22 22
22 XX
22,
522
22,
522
40 XXX
XX
522
330 Distel Circle - TransportaƟon Analysis
Figure 4
Existing Transit Services
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CEQA Analysis
Senate Bill 743 (SB 743) was signed in 2013 and requires that, for land use projects, vehicle miles traveled (VMT) per capita, employee, or net VMT are to be used as metrics for transportation analysis.

SB 743 requires lead agencies to implement its guidelines, requiring them to select a VMT methodology, choose significance thresholds, and determine feasible mitigation measures. VMT should be reduced to minimize the transportation impact a development has on a community. The goal of SB 743 is to encourage development that reduces VMT. SB 743 required VMT to be used as the metric for transportation analysis by July 2020.

The City of Los Altos is in the process of developing a new citywide VMT policy to comply with State law and provide established and consistent criteria for analyzing transportation impacts of development projects and long-range plans. The Draft Los Altos VMT Policy contains the following screening criteria for developments that are expected to cause a less-than-significant transportation impact under CEQA and are not required to prepare further VMT analysis:
• Small Project Screening: Any development that would generate fewer than 50 daily vehicle trips shall be presumed to have a less-than-significant transportation impact. • Map-Based Screening: Residential and employment land use projects located in areas of low VMT, defined as exhibiting VMT that is 15 percent or more below the existing citywide average VMT, shall be presumed to have a less-than-significant transportation impact. Citywide average VMT per capita or per employee baseline values are obtained from VTA and may be amended periodically to reflect the best available data and most relevant base year. • Local-Serving Retail Screening: Retail commercial projects comprised of stores of up to 60,000 gross square feet shall be presumed to have a less-than-significant transportation impact. • Local-Serving Public Facilities Screening: Local-serving public facilities (publicly owned or controlled) shall be presumed to have a less than significant VMT impact. For schools, only public neighborhood elementary schools shall be presumed to be a local-serving use and satisfy this screening criterion. Other examples of projects that may be screened out by this criterion include a branch library, community or senior center, and a fire station. • Affordable Housing Screening: Projects with 100 percent affordable housing shall be presumed to have a less-than-significant transportation impact on VMT. • Screening based on Existing Use: Redevelopment projects that replace existing VMTgenerating uses and result in a net decrease in total VMT shall be presumed to cause a less than significant impact. For redevelopment projects that result in a net increase in total VMT, the screening criteria for each land use will be based on the size of the proposed development without any credit for the existing use.
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• Transportation Project Screening: Transportation projects that reduce or do not increase VMT shall be presumed to have a less than significant VMT impact. Examples include transportation projects that enhance pedestrian, bike, or transit infrastructure, and transportation projects that maintain current infrastructure, without adding new automobile capacity.

Since the project proposes 100 percent affordable housing, it would be presumed to have a less-thansignificant transportation impact on VMT per the Draft VMT Policy and would be screened out from further VMT analysis.

However, since the Draft VMT Policy has not yet been formally adopted by the City, the department has implemented an interim administrative policy for identifying VMT impacts of development projects. The Interim VMT Policy sets a threshold of significance for residential VMT per capita at 15 percent below the regional average of 13.95 VMT per capita (or 11.86). Any project that does not have at least a 15 percent reduction would need to mitigate its impacts to less than significant based on this threshold.

Per the Santa Clara County map based VMT evaluation tool, the project site is located within an area with a residential VMT per capita of 9.51 without the project, which is below the threshold set forth in the Interim VMT Policy (see Appendix A). Although the Interim VMT Policy uses the regional average as the basis, it should be noted that the project also would comply with the residential VMT threshold set forth in the Draft VMT Policy, which is 15 percent below the citywide average residential VMT per capita of 12.22(or 10.39). Therefore, the project would also be screened out from further analysis using the threshold of significance in the Interim VMT Policy. 1586
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Local Transportation Analysis
This chapter contains the local transportation analysis including a description of the method by which project traffic is estimated, intersection operations, any adverse effects on study intersections caused by the project, site access, on-site circulation, effects on bicycle, pedestrian, and transit facilities, and parking. The LTA supplements the CEQA VMT analysis and identifies transportation operational issues that may arise due to a development project.

Project Description
The project site is currently occupied by 12,120 square feet of office uses. The project proposes to replace the existing office building on site with a 90-unit, five-story affordable housing development.

Vehicular access to the project site would be provided via a driveway to a parking garage located along Distel Circle.

Project Trip Estimates
The magnitude of traffic produced by a new development and the locations where that traffic would appear were estimated using a three-step process: (1) trip generation, (2) trip distribution, and (3) trip assignment. In determining project trip generation, the magnitude of traffic traveling to and from the proposed residential development was estimated for the AM and PM peak hours. As part of the project trip distribution, the directions to and from which the project trips would travel were estimated. In the project trip assignment, the project trips were assigned to specific streets and intersections. These procedures are described below.

Trip Generation
Through empirical research, data have been collected that indicate the amount of traffic that can be expected to be generated by many types of land uses. The standard trip generation rates can be applied to predict the future traffic increases that would result from a new development.

Project trip generation was estimated by applying to the proposed project size the appropriate trip generation rates obtained from the ITE Trip Generation Manual, 11 th Edition (2021). The average trip
generation rates for Affordable Housing-Income Limits (ITE Land Use 223) were applied to the project.

ITE defines Affordable Housing-Income Limits as multifamily housing that is rented at below market rate to households that include at least one employed member and eligibility is a function of limited household income.
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Since the project would replace the existing 12,120 square-foot office building on site, trip credits were taken for the existing use. Trip generation for the office use was estimated using average trip generation rates for General Office Building (ITE Land Use 710).

The project site is also located within 2000-feet of a bus stop served by VTA Route 22 with headways of approximately 10-15 minutes and Mountain View Go shuttle Routes C and D with headways of approximately 15 and 45 minutes, respectively, during the peak hours (detail in Chapter 2). VTA defines a major bus stop as a stop where six or more buses per hour from the same or different routes stop during the peak period and allows for a trip credit of 2 percent for housing and employment uses.

This trip credit was applied to the proposed project and existing use trip estimates.

The project will be required to implement a Travel Demand Management (TDM) Plan intended to services, incentives, facilities, and actions that reduce single–occupant vehicle (SOV) trips to help relieve traffic congestion, parking demand, greenhouse gas emissions, and air pollution problems. The purpose of TDM is to foster a better pedestrian/bicycle environment, support transit, and make it easier and more appealing for residents and visitors to use alternatives to driving or driving alone. To be conservative, this analysis does not assume any reductions in vehicle trips due to TDM measures.

Net Project Trips
Table 3 shows the trip generation estimates. After accounting for trip credits, the project is estimated to generate 296 net new daily trips, with 14 net new trips (-7 inbound and 21 outbound) during the AM peak hour and 24 net new trips (21 inbound and 3 outbound) during the PM peak hour.

Table 3
Project Trip Generation Estimates
Trip Distribution and Trip Assignment
The trip distribution pattern for the project was estimated based on existing travel patterns on the surrounding roadway system and the locations of complementary land uses. The peak-hour trips generated by the existing and proposed uses were assigned to the roadway system based on the directions of approach and departure, the roadway network connections, and the location of the project driveway. The trips generated by the existing use were subtracted from the roadway network prior to assigning project trips. Figure 5 shows the trip distribution pattern for the project site. Figure 6 shows the trip assignment.

ITE Land Reduction
Land Use Use Code % Rate Trip Rate In Out Total Rate In Out Total Affordable Housing - Income Limits 223 90 Dwelling Units 4.810 433 0.360 9 23 32 0.460 24 17 41 Housing near a Major Bus Stop 2% -9 0 0 0 0 0 0
General Office Building 710 -12,120 Square Feet 10.840 -131 1.520 -16 -2 -18 1.440 -3 -14 -17 Employment near a Major Bus Stop 2% 3 0 0 0 0 0 0
Net Project Trips 296 -7 21 14 21 3 24
Source: ITE Trip Generation Manual, 11th Edition 2021
Daily
Size
AM Peak Hour PM Peak Hour
Trip Trip
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California St
Los Altos Ave
W El Camino Real
Latham St
Jardin Dr
Pine Ln
Ortega Ave
Marich Way
Almond Ave
Clark Ave
Alvarado Ave
S Rengstorff Ave
Distel Dr
W Portola Ave
Loucks Ave
Mount Hamilton Ave N El Monte Ave
E Portola Ave
N San Antonio Rd
Los Altos Ave
Los
Altos
Mountain
View
1 2
3 9
10 11
4 5
6 7
12 13
14 8
Del Medio Ave
Showers Dr
Jordan Ave
Distel
Cir
Del Medio Ave
Showers Dr
Jordan Ave
Distel
15%(5%)
25%(35%)
15%(25%)
15%(20%)
10%(10%)
20%(5%)
X
= AM(PM) Trip Distribution
= Study Intersection
= Site Location
LEGEND
XX%(XX%)
330 Distel Circle - TransportaƟon Analysis
Figure 5
Project Trip Distribution
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Existing Intersection Operations
Existing Intersection Lane Configurations and Traffic Volumes The existing lane configurations at the study intersections were determined by observations in the field and are shown on Figure 7.

Existing traffic volumes at study intersections were based on pre-pandemic traffic counts conducted in 2018 and 2019 and new counts collected in 2021 where pre-pandemic counts were not available. Due to regional shelter-in-place orders during the COVID-19 pandemic, the 2021 traffic counts do not represent typical traffic conditions. These counts were factored by comparing new counts to available pre-pandemic counts. The factor was derived based on 2019 counts at two intersections (El Camino Real/Distel Drive and El Camino Real/Distel Circle) and new counts conducted at these intersections.

Compared to the 2019 counts, the new 2021 counts were 41 percent lower during the AM peak hour, and the PM peak hour counts were 32 percent lower. These percentages were used to adjust the 2021 intersection counts to reflect pre-COVID conditions. The adjusted existing peak-hour intersection volumes are shown on Figure 8. Intersection turning-movement counts conducted for this analysis are presented in Appendix B. The volume summary sheets with the adjusted existing counts are presented in Appendix C.

Existing Intersection Levels of Service
Table 4 shows that all signalized study intersections operate at an acceptable level of service during both AM and PM peak hours. The intersection levels of service calculation sheets are included in Appendix D.

The unsignalized intersections of San Antonio Road and Jordan Avenue and Distel Circle and El Camino Real operate at an unacceptable level of service during at least one peak hour. Therefore, a signal warrant check (MUTCD 2010 Edition, Part 4, Warrant 3) was conducted for the intersections based on the peak-hour traffic warrant. The analysis shows that the signal warrant is not met at either of these intersections. The signal warrant calculation sheets can be found in Appendix E. 1591
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Table 4
Existing Level of Service
# Intersection
Peak
Hour
Count
Date
Intersection
Control
LOS
Standard
Avg.

Delay
(sec)1 LOS
1 Los Altos Avenue & El Camino Real AM 10/10/2019 Signal D 20.9 C PM 10/10/2019 D 15.5 B
2 Del Medio Avenue & El Camino Real AM 5/29/2019 Signal D 43.8 D PM 5/29/2019 D 48.3 D
3 San Antonio Road & El Camino Real* AM 10/10/2019 Signal E 62.6 E PM 10/10/2019 E 61.3 E
4 Showers Drive & El Camino Real AM 4/12/2018 Signal D 49.7 D PM 4/12/2018 D 53.8 D
5 Jordan Avenue & El Camino Real AM 10/22/2019 Signal D 19.0 B PM 10/22/2019 D 35.2 D
6 Ortega Avenue & El Camino Real AM 11/2/2021 Signal D 47.0 D PM 11/2/2021 D 40.1 D
7 Distel Drive & El Camino Real AM 10/10/2019 Signal D 28.2 C PM 10/10/2019 D 37.4 D
8 Rengstorff Avenue & El Camino Real* AM 10/10/2019 Signal E 50.2 D PM 10/10/2019 E 42.1 D
9 San Antonio Road & Portola Avenue AM 10/10/2019 Signal D 19.5 B PM 10/10/2019 D 10.2 B
10 San Antonio Road & Jordan Avenue AM 11/2/2021 TWSC D >80 F PM 11/2/2021 D 63.6 F
11 San Antonio Road & Almond Avenue AM 10/15/2019 Signal D 18.8 B PM 10/15/2019 D 15.5 B
12 Distel Circle & El Camino Real AM 10/10/2019 TWSC D >80 F PM 10/10/2019 D >80 F
13 Distel Drive & Marich Way AM 11/2/2021 TWSC D 18.4 C PM 11/2/2021 D 10.5 B
14 Distel Circle & Distel Drive AM 11/2/2021 TWSC D 13.4 B PM 11/2/2021 D 9.7 A
Notes:
* Denotes CMP Intersection
TWSC - Two Way Stop Control
1 Average delay is reported for signalized and worst movement delay is reported for stop-controlled intersections.

Bold indicates substandard level of service
Existing Conditions
No Project
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Existing Plus Project Intersection Operations
Existing Plus Project Intersection Lane Configurations and Traffic Volumes The intersection lane configurations under existing plus project conditions are assumed to be the same as under existing conditions. Project trips, as represented in the above project trip assignment, were added to existing traffic volumes to obtain existing plus project traffic volumes. The existing plus project traffic volumes are shown on Figure 9.

Existing Plus Project Level of Service Analysis
Table 5 shows that all signalized study intersections would continue to operate at an acceptable level of service during both AM and PM peak hours. Since the project would add trips to existing low-delay movements, there would be a decrease in overall average delay at some intersections. The intersection level of service calculation sheets are included in Appendix D.

Since the unsignalized intersections of San Antonio Road and Jordan Avenue, and Distel Circle and El Camino Real would operate at an unacceptable level of service under existing plus project conditions, a signal warrant check (MUTCD 2010 Edition, Part 4, Warrant 3) was conducted for the intersections based on the peak-hour traffic warrant. The analysis shows that the signal warrant would not be met with the project for either of these intersections. The signal warrant calculation sheets can be found in Appendix E.

Typically, when facing high delays at a stop-controlled approach, vehicles will reroute to a signalized intersection, if possible, to avoid waiting for an acceptable gap in traffic on a busy major street. Vehicles facing delay while turning from the stop-controlled Distel Circle approach onto El Camino Real could instead access El Camino Real using the signalized intersection at Distel Drive. Likewise, vehicles facing delay while turning from the stop-controlled Jordan Avenue approach onto San Antonio Road could instead access San Antonio Road using the signalized intersection at Portola Avenue. Both signalized intersections operate at acceptable levels of service during both the AM and PM peak hours.

Thus, because the unsignalized study intersections are not expected to meet the signal warrants and because there are alternate routes that vehicles can use to avoid lengthy delays on stop-controlled approaches, signalization is not recommended at these unsignalized intersections. 1595
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Table 5
Existing Plus Project Intersection Level of Service Summary # Intersection
Peak
Hour
Intersection
Control
LOS
Standard
Avg.

Delay
(sec)1 LOS
Avg.

Delay
(sec)1 LOS
Incr. in
Avg. Crit
Delay (sec)
Incr.
in Crit
V/C
1 Los Altos Avenue & El Camino Real AM Signal D 20.9 C 20.9 C 0.0 0.000 PM D 15.5 B 15.5 B 0.0 0.000
2 Del Medio Avenue & El Camino Real AM Signal D 43.8 D 43.8 D 0.1 0.000 PM D 48.3 D 48.5 D 0.3 0.009
3 San Antonio Road & El Camino Real* AM Signal E 62.6 E 62.7 E 0.0 0.000 PM E 61.3 E 61.5 E 0.3 0.004
4 Showers Drive & El Camino Real AM Signal D 49.7 D 49.8 D 0.1 0.000 PM D 53.8 D 53.9 D 0.3 0.004
5 Jordan Avenue & El Camino Real AM Signal D 19.0 B 19.0 B -0.8 -0.001 PM D 35.2 D 35.3 D 0.2 0.007
6 Ortega Avenue & El Camino Real AM Signal D 47.0 D 47.1 D 0.2 0.000 PM D 40.1 D 40.2 D 0.1 0.000
7 Distel Drive & El Camino Real AM Signal D 28.2 C 28.4 C 0.7 0.005 PM D 37.4 D 37.5 D 0.1 0.001
8 Rengstorff Avenue & El Camino Real* AM Signal E 50.2 D 50.2 D 0.0 0.001 PM E 42.1 D 42.2 D 0.1 -0.003
9 San Antonio Road & Portola Avenue AM Signal D 19.5 B 19.5 B 0.0 0.005 PM D 10.2 B 10.2 B 0.0 0.000
10 San Antonio Road & Jordan Avenue AM TWSC D >80 F >80 F -0.5 0.000 PM D 63.6 F 63.8 F 0.1 0.000
11 San Antonio Road & Almond Avenue AM Signal D 18.8 B 18.8 B -0.1 0.000 PM D 15.5 B 15.5 B 0.0 0.000
12 Distel Circle & El Camino Real AM TWSC D >80 F >80 F 1.4 0.160 PM D >80 F >80 F 9.3 0.040
13 Distel Drive & Marich Way AM TWSC D 18.4 C 18.5 C 0.1 0.000 PM D 10.5 B 10.6 B 0.0 0.000
14 Distel Circle & Distel Drive AM TWSC D 13.4 B 13.5 B 0.2 0.020 PM D 9.7 A 9.7 A 0.0 0.000
Notes:
* Denotes CMP Intersection
TWSC - Two Way Stop Control
1 Average delay is reported for signalized and worst movement delay is reported for stop-controlled intersections.

Bold indicates substandard level of service
Existing Conditions
No Project Project Conditions
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Future Roadway Network
The roadway network under near-term, near-term plus project, cumulative, and cumulative plus project conditions would be the same as the existing roadway network because: 1) there are no approved projects in the area that would alter the existing roadway network, and 2) the project would not alter the existing roadway network.

Future Traffic Volumes
Near-Term Traffic Volumes
Near-term traffic volumes for the study intersections were estimated by adding to existing traffic volumes the trips generated by nearby approved but not yet completed or occupied projects. A list of approved developments was obtained from the websites of the Cities of Los Altos and Mountain View.

Nearby approved projects that are expected to generate a significant number of vehicle trips at one or more study intersections include the following:
• 4856 El Camino Real (Los Altos) – 50 condominium units • 5150 El Camino Real (Los Altos) – 172 condominium units and 24 townhomes • 4898 El Camino Real (Los Altos) – 21 condominium units • 2580 and 2590 California Street/201 San Antonio Circle (Mountain View) – 632 residential units and 20,000 square feet of commercial space
• 1720 Villa Street (Mountain View) – 226 apartment units • 2300 West El Camino Real (Mountain View) – 153-room hotel • 570 South Rengstorff Avenue (Mountain View) – 85 rowhouses • 1919 – 1933 Gamel Way and 574 Escuela Avenue (Mountain View) – 121 condominium units Trip generation estimates for the approved projects were based on their respective traffic study, if available. For projects that did not require a traffic study (due to their small size), trips were estimated based on ITE trip rates. The estimated trips from the approved projects were distributed and assigned throughout the study area based on the trip distribution assumptions present in the traffic studies or based on knowledge of the study area.

Near-term plus project conditions were derived by adding to near-term traffic volumes the traffic generated by the proposed project. The peak hour intersection traffic volumes under near-term as well as near-term plus project conditions are shown on Figure 10 and Figure 11, respectively. A tabular summary of traffic volumes at each study intersection is contained in Appendix C.

Cumulative (2040) Traffic Volumes
Cumulative (2040) traffic volumes for the study intersections were estimated by applying a one percent annual growth factor to existing traffic volumes and adding the projected volumes from approved (listed above) and pending (proposed but not yet approved) projects that would generate trips at the study intersections.

A list of pending developments was obtained from the websites of the Cities of Los Altos and Mountain View. Nearby pending projects that are expected to generate a significant number of vehicle trips at one or more study intersections include the following:
• 4350 El Camino Real (Los Altos) – 47 condominium units • 4896 El Camino Real (Los Altos) – 45,082 square feet of office and 4 condominium units • 590 Castro Street (Mountain View) – 106,000 square feet of office space 1598
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• 365 – 405 San Antonio Road and 2585 – 2595 California Street (Mountain View) – 182,352 square feet of commercial space
• City Lot 12 (Mountain View) – 120 affordable rental housing units and 2,300 square feet of ground floor commercial space
• 334 San Antonio Road (Mountain View) – 62 condominium units and 2,003 square feet of ground floor retail space
Trip generation estimates for the pending projects were based on their respective traffic study, if available. For projects that did not require a traffic study (due to their small size) or have a complete traffic study, trips were estimated based on ITE trip rates. The estimated trips from the pending projects were distributed and assigned throughout the study area based on the trip distribution assumptions present in the traffic studies or based on knowledge of the study area.

Cumulative plus project conditions were derived by adding to cumulative traffic volumes the traffic generated by the proposed project. The peak hour intersection traffic volumes under cumulative as well as cumulative plus project conditions are shown on Figure 12 and Figure 13, respectively. A tabular summary of traffic volumes at each study intersection is contained in Appendix C. 1599
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Future Intersection Levels of Service
Near-term Intersection Levels of Service
Table 6 shows that most study intersections would operate at an acceptable level of service during both AM and PM peak hours. The signalized intersection of Showers Drive and El Camino Real would operate at an unacceptable level of service during the PM peak hour. Two unsignalized study intersections (Distel Circle and El Camino Real, and San Antonio Road and Jordan Avenue) also are expected to continue to operate at a poor level of service.

The intersection level of service calculation sheets are included in Appendix D.

A signal warrant check (MUTCD 2010 Edition, Part 4, Warrant 3) was conducted for the unsignalized intersections that would operate unacceptably during at least one peak hour based on the peak-hour traffic warrant. The analysis shows that the signal warrant would not be met for either of these intersections. The signal warrant calculation sheets can be found in Appendix E.

Near-term Plus Project Intersection Levels of Service
The results of the intersection level of service analysis under near term plus project conditions are summarized in Table 6. Since the project would add trips to low-delay movements, there would be a decrease in overall average delay at some intersections.

The signalized intersection of Showers Drive and El Camino Real is expected to operate at an unacceptable level of service during the PM peak hour. The addition of project trips would not adversely affect traffic operations at the intersection because these trips would not increase the average delay at the intersection by more than four seconds.

The intersection levels of service calculation sheets are included in Appendix E.

Two unsignalized study intersections (Distel Circle and El Camino Real, and San Antonio Road and Jordan Avenue) also would continue to operate at a poor level of service under near-term plus project conditions. A signal warrant check (MUTCD 2010 Edition, Part 4, Warrant 3) based on the peak-hour traffic warrant was conducted for the unsignalized intersections that would operate unacceptably during at least one peak hour. The analysis shows that the signal warrant would not be met for either of these intersections under near-term plus project conditions. The signal warrant calculation sheets can be found in Appendix E.

Vehicles facing delay at Distel Circle and El Camino Real could instead access El Camino Real using the signalized intersection at Distel Drive and vehicles facing delay at Jordan Avenue and San Antonio Road could instead access San Antonio Road using the signalized intersection at Portola Avenue. Both signalized intersections would operate at acceptable level of service during both AM and PM peak hours under near-term plus project conditions. Thus, signalization is not recommended at these unsignalized intersections.
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Table 6
Near-term Intersection Level of Service Summary
# Intersection
Peak
Hour
Intersection
Control
LOS
Standard
Avg.

Delay
(sec)1 LOS
Avg.

Delay
(sec)1 LOS
Incr. in
Avg. Crit
Delay (sec)
Incr.
in Crit
V/C
1 Los Altos Avenue & El Camino Real AM Signal D 20.6 C 20.6 C 0.0 0.000 PM D 15.5 B 15.5 B -0.3 -0.001
2 Del Medio Avenue & El Camino Real AM Signal D 45.0 D 45.0 D 0.1 0.000 PM D 50.2 D 50.4 D 0.3 0.000
3 San Antonio Road & El Camino Real* AM Signal E 63.5 E 63.6 E 0.1 0.000 PM E 63.3 E 63.5 E 0.4 0.001
4 Showers Drive & El Camino Real AM Signal D 50.5 D 50.6 D 0.1 0.000 PM D 55.0 E 55.2 E 0.3 0.000
5 Jordan Avenue & El Camino Real AM Signal D 19.2 B 19.2 B 0.0 0.005 PM D 35.6 D 35.8 D 0.2 0.000
6 Ortega Avenue & El Camino Real AM Signal D 48.0 D 48.1 D 0.2 0.007 PM D 40.8 D 40.9 D 0.1 0.002
7 Distel Drive & El Camino Real AM Signal D 28.6 C 28.8 C 0.2 0.004 PM D 38.3 D 38.3 D 0.1 0.002
8 Rengstorff Avenue & El Camino Real* AM Signal E 51.6 D 51.6 D 0.3 -0.009 PM E 44.1 D 44.1 D 0.1 0.002
9 San Antonio Road & Portola Avenue AM Signal D 19.8 B 19.8 B 0.0 0.002 PM D 10.3 B 10.3 B 0.0 0.000
10 San Antonio Road & Jordan Avenue AM TWSC D >80 F >80 F -0.6 0.000 PM D 66.6 F 66.7 F 0.2 0.000
11 San Antonio Road & Almond Avenue AM Signal D 18.4 B 18.4 B 0.0 0.000 PM D 15.8 B 15.8 B 0.0 0.000
12 Distel Circle & El Camino Real AM TWSC D >80 F >80 F 1.7 0.180 PM D >80 F >80 F 11.5 0.050
13 Distel Drive & Marich Way AM TWSC D 18.7 C 18.8 C 0.1 0.000 PM D 10.6 B 10.6 B 0.0 0.000
14 Distel Circle & Distel Drive AM TWSC D 13.5 B 13.6 B 0.1 0.020 PM D 9.7 A 9.8 A 0.0 0.000
Notes:
* Denotes CMP Intersection
TWSC - Two Way Stop Control
1 Average delay is reported for signalized and worst movement delay is reported for stop-controlled intersections.

Bold indicates substandard level of service
Near-Term Conditions
No Project Project Conditions
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Cumulative (2040) Intersection Levels of Service
The results of the intersection level of service analysis under cumulative conditions are summarized in Table 7. The following intersections are expected to operate unacceptably during at least one peak hour.
• Del Medio and El Camino Real (signalized) (PM peak hour) • San Antonio Road and El Camino Real (signalized) (PM peak hour) • Showers Drive and El Camino Real (signalized) (both peak hours) • Ortega Avenue and El Camino Real (signalized) (AM peak hour) • San Antonio Road & Jordan Avenue (unsignalized) (both peak hours) • Distel Circle and El Camino Real (unsignalized) (both peak hours) The intersection level of service calculation sheets are included in Appendix D.

A signal warrant check (MUTCD 2010 Edition, Part 4, Warrant 3) was conducted for the unsignalized intersections expected to operate unacceptably during at least one peak hour based on the peak-hour traffic warrant. The analysis shows that the signal warrant would not be met for any unsignalized study intersections. The signal warrant calculation sheets can be found in Appendix E.

Cumulative (2040) Plus Project Intersection Levels of Service The results of the intersection level of service analysis under cumulative plus project conditions are summarized in Table 7. Since the project would add trips to low-delay movements, there would be a decrease in overall average delay at some intersections. The project would not cause an adverse effect at the study intersections during either peak hour as compared to cumulative conditions. The intersection level of service calculation sheets are included in Appendix D.

A signal warrant check (MUTCD 2010 Edition, Part 4, Warrant 3) based on the peak-hour traffic warrant was conducted for the unsignalized intersections expected to operate unacceptably during at least one peak hour. The analysis shows that the signal warrant would not be met for any unsignalized study intersections. The signal warrant calculation sheets can be found in Appendix E.

Vehicles facing delay at Distel Circle and El Camino Real could instead access El Camino Real using the signalized intersection at Distel Drive and vehicles facing delay at Jordan Avenue and San Antonio Road could instead access San Antonio Road using the signalized intersection at Portola Avenue. Both signalized intersections would operate at acceptable level of service during both AM and PM peak hours under cumulative plus project conditions. Thus, signalization is not recommended at these unsignalized study intersections.
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Table 7
Cumulative Intersection Level of Service Summary
# Intersection
Peak
Hour
Intersection
Control
LOS
Standard
Avg.

Delay
(sec)1 LOS
Avg.

Delay
(sec)1 LOS
Incr. in
Avg. Crit
Delay (sec)
Incr.
in Crit
V/C
1 Los Altos Avenue & El Camino Real AM Signal D 23.4 C 23.4 C 0.0 0.000 PM D 19.3 B 19.3 B 0.0 0.000
2 Del Medio Avenue & El Camino Real AM Signal D 52.5 D 52.6 D 0.2 0.000 PM D 73.2 E 73.6 E 0.7 0.000
3 San Antonio Road & El Camino Real* AM Signal E 76.4 E 76.6 E 0.2 0.000 PM E >80 F >80 F 0.8 0.002
4 Showers Drive & El Camino Real AM Signal D 57.8 E 58.1 E 0.4 0.000 PM D 75.6 E 76.2 E 0.9 0.007
5 Jordan Avenue & El Camino Real AM Signal D 21.0 C 21.1 C 0.0 0.000 PM D 45.8 D 46.1 D 0.5 0.007
6 Ortega Avenue & El Camino Real AM Signal D 57.5 E 57.9 E 0.5 0.000 PM D 48.5 D 48.7 D -4.4 0.049
7 Distel Drive & El Camino Real AM Signal D 31.3 C 31.5 C 0.3 0.002 PM D 50.5 D 50.6 D 0.1 0.001
8 Rengstorff Avenue & El Camino Real* AM Signal E 65.9 E 65.8 E -0.2 0.002 PM E 55.9 E 55.9 E 0.1 0.002
9 San Antonio Road & Portola Avenue AM Signal D 32.5 C 32.5 C 0.1 0.000 PM D 11.0 B 11.0 B 0.0 0.000
10 San Antonio Road & Jordan Avenue AM TWSC D >80 F >80 F -1.7 0.000 PM D >80 F >80 F 0.7 0.000
11 San Antonio Road & Almond Avenue AM Signal D 27.2 C 27.2 C -0.1 0.000 PM D 20.2 C 20.2 C 0.0 0.000
12 Distel Circle & El Camino Real AM TWSC D >80 F >80 F 4.6 0.440 PM D >80 F >80 F 76.1 0.140
13 Distel Drive & Marich Way AM TWSC D 25.2 D 25.4 D 0.2 0.000 PM D 11.0 B 11.0 B 0.0 0.000
14 Distel Circle & Distel Drive AM TWSC D 15.1 C 15.3 C 0.2 0.020 PM D 10.0 A 10.0 B 0.0 0.010
Notes:
* Denotes CMP Intersection
TWSC - Two Way Stop Control
1 Average delay is reported for signalized and worst movement delay is reported for stop-controlled intersections.

Bold indicates substandard level of service
Project Conditions
Cumulative Conditions
No Project
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Queuing Analysis
For selected high-demand movements at the study intersections, the estimated maximum vehicle queues were compared to the existing or planned storage capacity. The queuing analysis is used to determine the appropriate storage lengths for the high-demand turn lanes where the proposed project would add a substantial number of trips to these movements. Vehicle queues were estimated using Vistro.

The basis of the analysis is as follows: (1) Vistro is used to estimate the 95th percentile maximum number of queued vehicles per signal cycle for a particular movement; (2) the estimated maximum number of vehicles in the queue is translated into a queue length, assuming 25 feet per vehicle; and (3) the estimated maximum queue length is compared to the existing or planned available storage capacity for the movement.

The 95th percentile queue length value indicates that during the peak hour, a queue of this length or less would occur at 95 percent of the signal cycles. Or, a queue length longer than the 95th percentile queue would only occur on 5 percent of the signal cycles (about 3 cycles during the peak hour for a signal with a 60-second cycle length). Therefore, turn storage pocket designs based on the 95th percentile queue length would ensure that storage space would be exceeded only 5 percent of the time.

The 95th percentile queue length is also known as the “design queue length”. Vehicle queuing for the peak hours was evaluated for the following turn movements:
• Westbound left-turn from El Camino Real onto Distel Circle • Westbound left-turn from El Camino Real onto Distel Drive Because vehicle queuing is considered an operational issue not subject to CEQA significance thresholds, the queuing analysis was conducted for existing and near-term conditions without and with the proposed project and not under cumulative conditions. The queuing analysis at each of the selected locations is discussed further below and summarized in Table 8.

Westbound Left Turn from El Camino Real onto Distel Circle Under all scenarios, the westbound left-turn queue is projected to be less than the available storage capacity during the AM and PM peak hours.

Westbound Left Turn from El Camino Real onto Distel Drive The queuing analysis indicates that during the AM peak hour, the 95th percentile vehicle queue for the westbound left-turn movement under existing conditions and near-term conditions exceeds the left-turn storage by one vehicle. The proposed residential use is expected to generate fewer inbound trips during the AM peak hour than the existing office building, resulting in a small decrease in the traffic volume at this movement. Therefore, because the project would not contribute to the existing queue storage deficiency during the AM peak hour, it would not be required to construct or fund any improvements at this intersection. The storage length is expected to be sufficient for the westbound leftturn movement under all scenarios during the PM peak hour. 1608
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Table 8
Queuing Analysis

AM PM AM PM
Existing
Volume (vph) 130 34 93 68
95th% Queue (veh)12 1 7 4
95th% Queue (ft)250 25 175 100
Storage (ft) 200 200 150 150
Adequate (Y/N) Y Y N Y
Existing Plus Project
Volume (vph) 130 40 91 74
95th% Queue (veh)12 1 7 4
95th% Queue (ft)250 25 175 100
Storage (ft) 200 200 150 150
Adequate (Y/N) Y Y N Y
Near-Term
Volume (vph) 130 34 99 72
95th% Queue (veh)12 1 7 1
95th% Queue (ft)250 25 175 25
Storage (ft) 200 200 150 150
Adequate (Y/N) Y Y N Y
Near-Term Plus Project
Volume (vph) 130 40 97 78
95th% Queue (veh)12 1 7 4
95th% Queue (ft)250 25 175 100
Storage (ft) 200 200 150 150
Adequate (Y/N) Y Y N Y
Notes:

WBLT = westbound left turn movement
1 95th percentile queue reported from Vistro.
3 Assumes 25 feet per vehicle queued.

El Camino Real/Distel Drive
WBLT
El Camino Real/Distel Circle
WBLT
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Site Access and Circulation
The site access and on-site circulation evaluation is based on the October 18, 2021 site plan prepared by ktgy Architecture + Planning. Site access was evaluated to determine the adequacy of the site’s driveway with regard to the following: traffic volume, delays, vehicle queues, geometric design, and sight distance. On-site vehicular circulation was reviewed in accordance with generally accepted traffic engineering standards and transportation planning principles. The site plan for the project is shown on Figure 2.

Site Access
The site would be accessed by a two-way driveway leading to a parking garage. The site plan shows the driveway to be approximately 23 feet in width, which is an adequate width for a two-way driveway in accordance with the City of Los Altos Municipal Code (14.74.200).

Driveway Operations
The total traffic volume estimated to use the driveway is 32 trips (9 inbound and 23 outbound) in the AM peak hour and 41 trips (24 inbound and 17 outbound) in the PM peak hour (see Table 3). This is equivalent to one new trip every two minutes in the AM peak hour and one new trip every one to two minutes in the PM peak hour. Since the gross project trips at the driveway are minimal, the driveway is expected to operate acceptably during both peak hours under project conditions.

Sight Distance
The proposed driveway location was evaluated to determine if the sight distance at the driveway would be adequate. The project driveway should be free and clear of any obstructions to optimize sight distance, thereby ensuring that exiting vehicles can see pedestrians on the sidewalk and other vehicles traveling on adjacent roadways. Any landscaping and signage should be located in such a way as to ensure an unobstructed view for drivers entering and exiting the site. Adequate sight distance reduces the likelihood of a collision at driveways and provides drivers with the ability to locate sufficient gaps in traffic to exit a driveway. Sight distance of a driveway is evaluated based on the stopping sight distance recommended by Caltrans for a given design speed.

The speed limit along Distel Circle near the project site is 25 mph. The Caltrans recommended stopping sight distance at this speed is 150 feet. This means that a driver must be able to see 150 feet down Distel Circle to locate a sufficient gap to turn out of the driveway. Distel Circle has a 90-degree bend approximately 160 feet south of the project driveway, bending east to connect to Distel Drive. The roadway curve will discourage vehicles from exceeding the speed limit in this section of Distel Circle and is far enough away from the project driveway such that it will not interfere with the required sight distance. However, on-street parking is currently permitted on both sides of the driveway, which could restrict the sight distance for traffic exiting the project site.

Recommendation: It is recommended that on-street parking be prohibited approximately 40 feet to the south and 35 feet to the north of the project driveway. This would provide adequate sight distance for exiting drivers at the driveway to see the oncoming traffic along Distel Circle. The project driveway should also be free and clear of any obstructions such as shrubs or other landscape features to optimize sight distance, thereby ensuring that exiting vehicles can see pedestrians on the sidewalk and other vehicles traveling on Distel Circle.

On-Site Circulation
On-site vehicle circulation was evaluated for the at-grade parking garage. The driveway would provide access to 33 90-degree two to three level mechanical stacker parking stalls as well as 7 surface parking spaces. The dimensions of the parking spaces would be a minimum of 9 feet wide and 18 feet 1610
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deep, meeting the City’s required dimensions for 90-degree parking spaces. The drive aisle that provides access to the parking spaces is approximately 25 feet in width, which meets the City’s standard.

The project proposes to provide 83 mechanical stacker parking spaces split between 33 two and three level stalls in the form of a mechanical lift system. There are a net total of 68 spaces in 24 3-level stalls along the west edge of the site and 15 spaces in 9 2-level stalls in the center of the site. Hexagon checked the turning paths for passenger vehicles to maneuver in and out of the various parking spaces, using an AASHTO passenger vehicle as the design vehicle. Figure 14 shows the turning maneuvers.

The design vehicle would need to make multi-point turns to turn around completely to back into the parking space at the end of the garage. It is recommended that larger cars use the parking spaces towards the front of the garage instead of the back of the garage.

The height of the garage would be 14 feet. Based on the height of a large SUV, which is typically approximately 6.3 feet, the garage would be able to accommodate 2 SUVs on the two-level mechanical stacker.

Recommendation: The site plan does not provide the height of the pit for the three-level mechanical stacker. Minimum 7 feet deep parking pits should be provided to accommodate the height of a design vehicle.

Bicycle Storage
The bicycle storage room is located on the ground floor on the west side of the project site. Bicyclists could access the bicycle storage room via the garage or through the lobby/lounge.

Trash Enclosure
The site plan shows a trash room near the garage entry. Currently, the site plan does not show an access or egress point from the trash room.

Recommendation: The applicant should work with the City and Mission Trail Waste Systems to design a plan for waste collection service.
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Figure 14
Vehicle Turning Template
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Pedestrian, Bicycle, and Transit Analysis
Pedestrian and Bicycle Access
Pedestrian facilities in the study area consist of sidewalks, crosswalks, and pedestrian signals at signalized intersections (see Chapter 2 for details). Currently, the sidewalk in front of the project site is five feet wide. The project proposes to provide a new 14-foot wide sidewalk with curb and gutter replacement. The project frontage is also designed to be pedestrian friendly with landscaping and streetlighting. There is no need for new curb ramps or crosswalks along the project frontage.

The existing sidewalks and crosswalks provide adequate access to transit and nearby points of interest including restaurants and stores along El Camino Real.

There are some bicycle facilities in the immediate vicinity of the project site (see Chapter 2 for details).

The project would not remove any bicycle facilities, nor would it conflict with any adopted plans or policies for new bicycle facilities.

School Access
The Los Altos Complete Streets Master Plan identifies future transportation improvements that aim to prioritize walking, biking, and other travel modes. The master plan includes an update to the Bicycle and Pedestrian Transportation Plan and identifies bicycle and pedestrian facility improvements in the project’s vicinity that would benefit future residents. Additionally, these improvements would also contribute to the Safe Routes to School Plan, which encourages students and parents to walk and bike to school.

Public schools that will serve the residents of the proposed development are Almond Elementary School, Egan Junior High School, and Los Altos High School. The City has released draft Walk n Roll maps for each school that services the Los Altos community. The Walk n Roll maps designate pedestrian and bicycle-friendly routes that students and parents can use to walk and bike to school.

The project site is located near Distel Drive and Marich Way, which are both identified in numerous Walk n Roll maps. Walk n Roll maps for Almond Elementary School, Egan Junior High School, and Los Altos High School are included in Appendix F.

Almond Elementary School – Suggested walking and bicycling routes identified on the Walk n Roll Map for Almond Elementary School between the project site and the school are Distel Drive, Marich Way, Casita Way, Alicia Way, Jardin Drive, Solana Drive, Verano Avenue, and Clark Avenue.

Sidewalks are absent along both sides of all these streets, except Jardin Drive, which has a sidewalk along one side of the street. Furthermore, none of these streets have any existing bicycle facilities except Jardin Avenue, which has a bike lane between Valencia Drive and Avalon Drive. The Los Altos Complete Streets Plan proposes a sidewalk/walkway along Alicia Way as well as bicycle routes along Distel Drive, Marich Way, Casita Way, Alicia Way and Solana Drive.

Egan Junior High School – Suggested walking and bicycling routes identified on the Walk n Roll Map for Egan Junior School between the project site and the school are Distel Drive, Marich Way, Jordan Avenue, and Portola Avenue. Sidewalks are absent along both sides of all these streets, except Portola Avenue, which has a sidewalk along one side of the street. Furthermore, none of these streets have any existing bicycle facilities. The Los Altos Complete Streets Plan proposes a sidewalk/walkway along Jordan Avenue between Marich Way and Portola Avenue, major maintenance and enhancement along Portola Avenue, and bicycle routes along Distel Drive, Marich Way, Jordan Avenue, and Portola Avenue.

Los Altos High School – Suggested walking and bicycling routes identified on the Walk n Roll Map for Los Altos High School between the project site and the school are Distel Drive, Marich Way, Panchita 1613
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Way, and Casita Way. Sidewalks are absent along both sides of all these streets. Furthermore, none of these streets have any existing bicycle facilities. The Los Altos Complete Streets Plan proposes bicycle routes along Distel Drive, Marich Way, Panchita Way, and Casita Way.

Transit Service
The site is well-served by bus transit as described in Chapter 2. There are two VTA bus lines (22 and 522) that serve the immediate project area and two Mountain View Go shuttles (Route C and D). The bus stops closest to the project site area at the El Camino Real/Distel Circle intersection that serves the VTA route 22 bus line and Mountain View Go C and D shuttles. The bus stop is shaded with a bench.

The City of Mountain View’s El Camino Real Streetscape Plan proposes to implement ‘Bus Bulb’ treatments at this bus stop. The ‘Bus Bulb’ treatment is proposed where the existing curb-to-curb distance and travel lane configuration provides sufficient space to allow for the curb and sidewalk to be extended or ‘bulbed-out’ by three feet. This allows the bus to pull over and merge into the bike lane, without entirely exiting the travel lane, which then allows the bus to merge back into the travel lane more easily. The additional walkway width that the bulb provides allows pedestrians to utilize a consistent eight-foot minimum walkway width despite the presence of additional VTA stop amenities as well as transit users waiting for the bus. Cyclists would need to stop behind buses that have pulled over, or merge into traffic to bypass or ‘leapfrog over’ the bus.

The project is expected to generate a small increase in transit demand, which could be accommodated by the available capacity of the bus service.

Parking Analysis
Vehicular Parking
Per state law, the proposed project is not subject to a minimum number of parking spaces. This parking analysis is conducted at the request of the city to determine whether on-street parking spaces are adequate, and whether shared parking agreements with adjacent properties would be feasible.

Parking Demand
Through empirical research, data have been collected that indicate the amount of parking demand that can be expected to be generated by many types of land uses. Parking demand rates from the Institute of Transportation Engineers (ITE) Parking Generation Manual, 5th Edition can be applied to predict the future parking demand resulting from a new development. The average peak parking demand rates for Affordable Housing (ITE Land Use 223) were applied to the project.

Based on the peak parking demand rates, it is estimated that 89 parking spaces are needed for the proposed project (see Table 9).
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Table 9
Parking Demand for Project
The project proposes to provide 90 parking spaces on-site. Based on the estimated peak parking demand of 89 spaces, the parking provided on-site would be adequate.

Parking Supply
Parking occupancy counts were conducted in the vicinity of the proposed project to determine the supply and existing demand of on-street parking and nearby parking lots. The following areas (see Figure 15) were counted at 10:00 AM, 1:00 PM, and 12:00 AM on November 4, 2021.

Area 1: Entire Length of Distel Circle, west/south side Area 2: Entire Length of Distel Circle, east/north side Area 3: Palo Alto Medical Foundation Parking Lot (370 Distel Circle) Area 4: Parking Lot at 325 Distel Circle
Area 5: Parking Area at 325 Distel Circle
The results of the parking occupancy counts are presented in Appendix G. Table 10 summarizes the peak parking demand of on-street parking spaces and nearby parking lots. Based on peak parking demand of the on-street parking, 87 surplus parking spaces are available on-street and at nearby parking lots during the day while over 200 spaces are available at night when residential parking demand is highest. Thus, there would be ample available parking along Distel Circle and withing the nearby surface parking lots to accommodate any overflow parking in excess of the on-site parking provided.

Table 10
Parking Supply
Rate
Peak Parking
Demand
(Spaces)
Weekday (DU) 90 DU 0.99 89
Source: ITE Parking Generation Manual, 5th Edition
Notes:
1 Rate of spaces per dwelling unit (DU) for Affordable Housing (Land Use Code 223).

Affordable Housing1
Land Use Size
1615
Agenda Item # 10.
330 Distel Circle – Transportation Analysis July 19, 2022 P a g e | 46
Bicycle Parking
The Valley Transportation Authority (VTA) provides guidelines for bike parking in its publication Bike Technical Guidelines. Class I spaces are defined as spaces that protect the entire bike and its components from theft, such as in a secure designated room or a bike locker. Class II spaces provide an opportunity to secure at least one wheel and the frame using a lock, such as bike racks.

For multi-family dwelling units, VTA recommends one Class I space per three dwelling units and one Class II space per 15 dwelling units. For the proposed project, this would equate to 30 Class I spaces and 6 Class II spaces. The project proposes 45 Class I spaces in the parking garage but does not propose any Class II spaces.

Recommendation: The project should add at least 6 Class II bicycle spaces. 1616
Agenda Item # 10.

Distel Circle
El Camino Real
Distel Drive
Marich Way
Distel Circle
El Camino Real
2 2
5 4
3 1
1 330 Distel Circle - TransportaƟon Analysis
Figure 15
Parking Occupancy Count Locations
1617
Agenda Item # 10.
330 Distel Circle
Technical Appendices
1618
Agenda Item # 10.

Appendix A
VMT Analysis
1619
Agenda Item # 10.

Santa Clara Countywide VMT Evaluation Tool - Version 2 - Report Project Details
Timestamp of
Analysis
July 14, 2022, 10:50:24 AM
Project Name 330 Distel Cir
Project
Description
90 unit 100% affordable multi-family
development project.

Project Location Map
Jurisdiction:

Los Altos

APN TAZ
17004051 199
Analysis Details
Data Version VTA Countywide Model December
2019
Analysis
Methodology
TAZ
Baseline Year 2022
Project Land Use
Residential:

Single Family DU:

Multifamily DU:

Total DUs: 0
Non-Residential:

Office KSF:

Local Serving Retail KSF:

Industrial KSF:

Residential Affordability (percent of all
units):

Extremely Low Income: 0 %
Very Low Income: 0 %
Low Income: 0 %
Parking:

Motor Vehicle Parking:

Bicycle Parking:

Proximity to Transit Screening
Inside a transit priority area? Yes (Pass)
1620
Agenda Item # 10.

Santa Clara Countywide VMT Evaluation Tool - Version 2 - Report Residential Vehicle Miles Traveled (VMT) Screening Results Land Use Type 1: Residential
VMT Metric 1: Home-based VMT per Capita
VMT Baseline Description 1: Bay Area Regional Average
VMT Baseline Value 1: 13.95
VMT Threshold Description 1 / Threshold Value 1: -15% / 11.86 Land Use 1 has been Pre-Screened by the Local Jurisdiction: N/A Without Project With Project & Tier 1-3
VMT Reductions
With Project & All VMT
Reductions
Project Generated Vehicle
Miles Traveled (VMT) Rate

9.51 Low VMT Screening
Analysis
Yes (Pass)
1621
Agenda Item # 10.

Appendix B
Traffic Counts
1622
Agenda Item # 10.

File Name : 25AM FINAL
Site Code : 00000025
Start Date : 10/10/2019
Page No : 1
Groups Printed- Vehicles

EL CAMINO REAL
Southbound

CESANO CT
Westbound

EL CAMINO REAL
Northbound

LOS ALTOS AVE
Eastbound
Start Time Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Int. Total 07:00 AM 4 82 7 3 96 1 1 2 6 10 2 214 5 3 224 7 0 12 1 20 350 07:15 AM 5 105 7 0 117 2 0 1 3 6 8 306 8 1 323 6 0 7 2 15 461 07:30 AM 18 124 6 2 150 1 0 3 6 10 7 374 11 0 392 13 0 16 5 34 586 07:45 AM 31 138 12 10 191 1 2 2 4 9 3 366 28 5 402 21 0 30 5 56 658 Total 58 449 32 15 554 5 3 8 19 35 20 1260 52 9 1341 47 0 65 13 125 2055 08:00 AM 28 184 12 7 231 0 3 4 5 12 2 347 22 2 373 42 1 44 1 88 704 08:15 AM 37 200 11 11 259 2 4 5 3 14 1 335 41 1 378 42 1 45 1 89 740 08:30 AM 25 216 18 1 260 1 0 3 1 5 1 375 10 1 387 61 2 47 2 112 764 08:45 AM 20 204 8 2 234 1 0 5 5 11 1 334 7 1 343 28 0 20 0 48 636 Total 110 804 49 21 984 4 7 17 14 42 5 1391 80 5 1481 173 4 156 4 337 2844 Grand Total 168 1253 81 36 1538 9 10 25 33 77 25 2651 132 14 2822 220 4 221 17 462 4899 Apprch % 10.9 81.5 5.3 2.3 11.7 13 32.5 42.9 0.9 93.9 4.7 0.5 47.6 0.9 47.8 3.7 Total % 3.4 25.6 1.7 0.7 31.4 0.2 0.2 0.5 0.7 1.6 0.5 54.1 2.7 0.3 57.6 4.5 0.1 4.5 0.3 9.4

EL CAMINO REAL
Southbound

CESANO CT
Westbound

EL CAMINO REAL
Northbound

LOS ALTOS AVE
Eastbound
Start Time Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Int. Total Peak Hour Analysis From 07:00 AM to 08:45 AM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 07:45 AM
07:45 AM 31 138 12 181 1 2 2 5 3 366 28 397 21 0 30 51 634 08:00 AM 28 184 12 224 0 3 4 7 2 347 22 371 42 1 44 87 689 08:15 AM 37 200 11 248 2 4 5 11 1 335 41 377 42 1 45 88 724 08:30 AM 25 216 18 259 1 0 3 4 1 375 10 386 61 2 47 110 759 Total Volume 121 738 53 912 4 9 14 27 7 1423 101 1531 166 4 166 336 2806 % App. Total 13.3 80.9 5.8 14.8 33.3 51.9 0.5 92.9 6.6 49.4 1.2 49.4 PHF .818 .854 .736 .880 .500 .563 .700 .614 .583 .949 .616 .964 .680 .500 .883 .764 .924 Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1623
Agenda Item # 10.

File Name : 25AM FINAL
Site Code : 00000025
Start Date : 10/10/2019
Page No : 2

EL CAMINO REAL

LOS ALTOS AVE

CESANO CT

EL CAMINO REAL
Right
121
Thru
738
Left
53 Out In Total
1593 912 2505
Right
4 Thru
9 Left
14 Out Total In
64 27 91
Left
101
Thru
1423
Right
7 Out In Total
918 1531 2449
Left
166
Thru
4 Right
166
Total Out In
231 336 567
Peak Hour Begins at 07:45 AM
Vehicles
Peak Hour Data
North
Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1624
Agenda Item # 10.

File Name : 25PM FINAL
Site Code : 00000025
Start Date : 10/10/2019
Page No : 1
Groups Printed- Vehicles

EL CAMINO REAL
Southbound

CESANO CT
Westbound

EL CAMINO REAL
Northbound

LOS ALTOS AVE
Eastbound
Start Time Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Int. Total 05:00 PM 44 450 7 3 504 1 0 2 2 5 2 270 17 1 290 11 0 35 8 54 853 05:15 PM 40 404 11 1 456 0 0 2 4 6 5 270 19 0 294 20 0 31 8 59 815 05:30 PM 43 405 12 0 460 5 2 3 3 13 3 267 25 2 297 17 2 26 3 48 818 05:45 PM 35 406 11 1 453 2 0 2 6 10 2 280 16 1 299 30 1 29 4 64 826 Total 162 1665 41 5 1873 8 2 9 15 34 12 1087 77 4 1180 78 3 121 23 225 3312 06:00 PM 43 440 10 4 497 6 0 4 3 13 3 273 11 2 289 17 1 28 3 49 848 06:15 PM 38 458 8 1 505 5 0 4 8 17 3 242 22 3 270 18 1 22 4 45 837 06:30 PM 27 407 11 1 446 2 0 4 6 12 0 209 14 14 237 17 0 21 15 53 748 06:45 PM 29 330 9 5 373 1 0 0 3 4 3 233 15 9 260 14 0 29 14 57 694 Total 137 1635 38 11 1821 14 0 12 20 46 9 957 62 28 1056 66 2 100 36 204 3127 Grand Total 299 3300 79 16 3694 22 2 21 35 80 21 2044 139 32 2236 144 5 221 59 429 6439 Apprch % 8.1 89.3 2.1 0.4 27.5 2.5 26.2 43.8 0.9 91.4 6.2 1.4 33.6 1.2 51.5 13.8 Total % 4.6 51.3 1.2 0.2 57.4 0.3 0 0.3 0.5 1.2 0.3 31.7 2.2 0.5 34.7 2.2 0.1 3.4 0.9 6.7

EL CAMINO REAL
Southbound

CESANO CT
Westbound

EL CAMINO REAL
Northbound

LOS ALTOS AVE
Eastbound
Start Time Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Int. Total Peak Hour Analysis From 05:00 PM to 06:45 PM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 05:30 PM
05:30 PM 43 405 12 460 5 2 3 10 3 267 25 295 17 2 26 45 810 05:45 PM 35 406 11 452 2 0 2 4 2 280 16 298 30 1 29 60 814 06:00 PM 43 440 10 493 6 0 4 10 3 273 11 287 17 1 28 46 836 06:15 PM 38 458 8 504 5 0 4 9 3 242 22 267 18 1 22 41 821 Total Volume 159 1709 41 1909 18 2 13 33 11 1062 74 1147 82 5 105 192 3281 % App. Total 8.3 89.5 2.1 54.5 6.1 39.4 1 92.6 6.5 42.7 2.6 54.7 PHF .924 .933 .854 .947 .750 .250 .813 .825 .917 .948 .740 .962 .683 .625 .905 .800 .981 Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1625
Agenda Item # 10.

File Name : 25PM FINAL
Site Code : 00000025
Start Date : 10/10/2019
Page No : 2

EL CAMINO REAL

LOS ALTOS AVE

CESANO CT

EL CAMINO REAL
Right
159
Thru
1709
Left
41 Out In Total
1185 1909 3094
Right
18 Thru
2 Left
13 Out Total In
57 33 90
Left
74 Thru
1062
Right
11 Out In Total
1804 1147 2951
Left
105
Thru
5 Right
82 Total Out In
235 192 427
Peak Hour Begins at 05:30 PM
Vehicles
Peak Hour Data
North
Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1626
Agenda Item # 10.

DEL MEDIO AVE DEL MEDIO AVE EL CAMINO REAL EL CAMINO REAL (303) 216-2439
www.alltrafficdata.net
Location: 2 EL CAMINO REAL & DEL MEDIO AVE AM
Date: Wednesday, May 29, 2019
Peak Rolling Hour Flow Rates
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.

Peak Hour: 08:00 AM - 09:00 AM
Peak 15-Minutes: 08:15 AM - 08:30 AM
1,177 1,347
0 211
1,164 1,545
1 1

0.96 N
S
EW

0.90 0.25

0.93 0.50
(1,720) (2,597)
(1)
(282)
(2)
(3)
(1,737) (2,894)
0693
0 0
0 1
0 0
0 0 1,078 85
11,341 118 DEL MEDIO AVE DEL MEDIO AVE

EL CAMINO REAL

EL CAMINO REAL
17 38
0 17
N
S
EW 15 23
0 0
10 7 11 6
9 001
5 4
0 1
010
0 0
0 0
5 N
S
W E
7 2
0 0 41 05
0 0
0 0
Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 7:00 AM 0 0 0 1 0 0 0 0 16 0 227 11 1 5 86 1 348 1,895 8 10 0 5 7:15 AM 0 0 0 0 0 0 0 0 13 0 296 7 2 6 96 0 420 2,179 2 3 0 1 7:30 AM 0 0 0 0 0 0 0 0 16 0 388 13 2 7 155 0 581 2,471 3 9 0 0 7:45 AM 0 1 0 0 0 1 0 0 17 0 330 15 3 7 172 0 546 2,582 6 13 0 4 8:00 AM 0 0 0 0 0 0 0 0 23 1 345 23 2 15 223 0 632 2,723 5 21 0 8 8:15 AM 0 0 0 0 0 0 0 0 25 0 339 21 0 26 301 0 712 1 10 0 2 8:30 AM 0 0 0 0 0 0 0 0 14 0 331 32 1 33 281 0 692 3 5 0 2 8:45 AM 0 0 0 1 0 0 0 0 23 0 326 42 3 19 273 0 687 8 2 0 5 Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 0 0 0 0 0 0 0 0 5 0 0 7 0 0 12
Lights 0 0 0 1 0 0 0 0 85 1 1,302 97 92 1,036 0 6 2,620 Mediums 0 0 0 0 0 0 0 0 0 0 34 21 1 35 0 0 91
Total 0 0 0 1 0 0 0 0 85 1 1,341 118 93 1,078 0 2,723 6 1627
Agenda Item # 10.

DEL MEDIO AVE DEL MEDIO AVE EL CAMINO REAL EL CAMINO REAL (303) 216-2439
www.alltrafficdata.net
Location: 2 EL CAMINO REAL & DEL MEDIO AVE PM
Date: Wednesday, May 29, 2019
Peak Rolling Hour Flow Rates
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.

Peak Hour: 05:00 PM - 06:00 PM
Peak 15-Minutes: 05:45 PM - 06:00 PM
2,050 1,227
185
205
2,039 1,234
4 2

0.98 N
S
EW

0.96 0.77

0.94 0.50
(3,929) (2,295)
(231)
(408)
(5)
(6)
(3,923) (2,465)
212 106
140
0 45
3 1
0 0
0 1,930 61
01,075 98 DEL MEDIO AVE DEL MEDIO AVE

EL CAMINO REAL

EL CAMINO REAL
17 15
0 27
N
S
EW
5 10
0 0
3 14 13 14
1 100
0 0
0 1
020
0 0
0 0
2 N
S
W E
0 1
0 0 11 00
0 0
0 0
Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 4:00 PM 0 0 0 0 0 0 0 0 20 0 237 27 1 26 402 0 713 3,158 6 5 0 2 4:15 PM 0 0 0 0 0 0 0 0 24 1 263 33 2 26 423 0 772 3,316 8 10 0 8 4:30 PM 0 1 0 0 0 1 0 10 16 1 290 31 1 10 486 0 847 10 6 0 7 3,410 4:45 PM 0 0 0 1 0 13 0 22 24 0 241 23 0 27 474 1 826 3,409 8 2 0 3 5:00 PM 0 0 0 0 0 10 0 26 15 0 270 25 2 33 490 0 871 10 6 0 8 3,473 5:15 PM 0 0 0 0 0 15 0 45 12 0 299 19 3 19 454 0 866 2 3 0 1 5:30 PM 0 0 1 1 0 5 0 31 11 0 263 21 4 38 470 1 846 8 4 0 3 5:45 PM 0 0 0 2 0 15 0 38 23 0 243 33 3 16 516 1 890 7 2 0 5 Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 3
Lights 0 0 1 3 0 45 0 138 61 0 1,052 97 104 1,911 2 12 3,426 Mediums 0 0 0 0 0 0 0 2 0 0 20 1 2 19 0 0 44
Total 0 0 1 3 0 45 0 140 61 0 1,075 98 106 1,930 2 3,473 12 1628
Agenda Item # 10.

File Name : 26AM FINAL
Site Code : 00000026
Start Date : 10/10/2019
Page No : 1
Groups Printed- Vehicles

EL CAMINO REAL
Southbound

SAN ANTONIO RD
Westbound

EL CAMINO REAL
Northbound

N SAN ANTONIO RD
Eastbound
Start Time Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Int. Total 07:00 AM 14 65 25 2 106 27 60 18 1 106 41 184 26 2 253 5 91 18 0 114 579 07:15 AM 11 84 29 2 126 51 107 28 4 190 40 248 40 2 330 5 108 24 2 139 785 07:30 AM 17 97 44 12 170 65 140 35 6 246 33 306 58 8 405 8 143 34 1 186 1007 07:45 AM 22 132 43 10 207 74 199 48 8 329 45 305 64 14 428 7 195 40 0 242 1206 Total 64 378 141 26 609 217 506 129 19 871 159 1043 188 26 1416 25 537 116 3 681 3577 08:00 AM 38 147 71 9 265 76 198 48 12 334 44 291 72 11 418 8 182 38 0 228 1245 08:15 AM 44 170 86 5 305 68 193 45 7 313 39 281 68 10 398 7 189 51 0 247 1263 08:30 AM 40 157 99 2 298 58 122 41 4 225 51 303 57 7 418 19 152 49 2 222 1163 08:45 AM 40 159 73 7 279 54 119 52 13 238 37 277 48 4 366 14 149 34 2 199 1082 Total 162 633 329 23 1147 256 632 186 36 1110 171 1152 245 32 1600 48 672 172 4 896 4753 Grand Total 226 1011 470 49 1756 473 1138 315 55 1981 330 2195 433 58 3016 73 1209 288 7 1577 8330 Apprch % 12.9 57.6 26.8 2.8 23.9 57.4 15.9 2.8 10.9 72.8 14.4 1.9 4.6 76.7 18.3 0.4 Total % 2.7 12.1 5.6 0.6 21.1 5.7 13.7 3.8 0.7 23.8 4 26.4 5.2 0.7 36.2 0.9 14.5 3.5 0.1 18.9

EL CAMINO REAL
Southbound

SAN ANTONIO RD
Westbound

EL CAMINO REAL
Northbound

N SAN ANTONIO RD
Eastbound
Start Time Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Int. Total Peak Hour Analysis From 07:00 AM to 08:45 AM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 07:45 AM
07:45 AM 22 132 43 197 74 199 48 321 45 305 64 414 7 195 40 242 1174 08:00 AM 38 147 71 256 76 198 48 322 44 291 72 407 8 182 38 228 1213 08:15 AM 44 170 86 300 68 193 45 306 39 281 68 388 7 189 51 247 1241 08:30 AM 40 157 99 296 58 122 41 221 51 303 57 411 19 152 49 220 1148 Total Volume 144 606 299 1049 276 712 182 1170 179 1180 261 1620 41 718 178 937 4776 % App. Total 13.7 57.8 28.5 23.6 60.9 15.6 11 72.8 16.1 4.4 76.6 19 PHF .818 .891 .755 .874 .908 .894 .948 .908 .877 .967 .906 .978 .539 .921 .873 .948 .962 Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1629
Agenda Item # 10.

File Name : 26AM FINAL
Site Code : 00000026
Start Date : 10/10/2019
Page No : 2

EL CAMINO REAL

N SAN ANTONIO RD

SAN ANTONIO RD

EL CAMINO REAL
Right
144
Thru
606
Left
299
Out In Total
1634 1049 2683
Right
276
Thru
712
Left
182
Out Total In
1196 1170 2366
Left
261
Thru
1180
Right
179
Out In Total
829 1620 2449
Left
178
Thru
718
Right
41 Total Out In
1117 937 2054
Peak Hour Begins at 07:45 AM
Vehicles
Peak Hour Data
North
Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1630
Agenda Item # 10.

File Name : 26PM FINAL
Site Code : 00000026
Start Date : 10/10/2019
Page No : 1
Groups Printed- Vehicles

EL CAMINO REAL
Southbound

SAN ANTONIO RD
Westbound

EL CAMINO REAL
Northbound

N SAN ANTONIO RD
Eastbound
Start Time Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Int. Total 05:00 PM 43 385 105 4 537 37 156 79 7 279 32 199 93 10 334 17 105 58 1 181 1331 05:15 PM 47 317 99 8 471 44 144 80 9 277 32 197 93 12 334 21 122 55 2 200 1282 05:30 PM 60 350 98 10 518 32 155 83 14 284 28 205 86 5 324 27 113 51 1 192 1318 05:45 PM 62 315 134 8 519 34 164 59 11 268 33 185 87 18 323 21 109 43 0 173 1283 Total 212 1367 436 30 2045 147 619 301 41 1108 125 786 359 45 1315 86 449 207 4 746 5214 06:00 PM 49 313 87 8 457 42 196 91 9 338 36 202 78 21 337 23 115 60 3 201 1333 06:15 PM 46 367 94 11 518 29 155 85 12 281 39 183 60 14 296 12 107 38 0 157 1252 06:30 PM 42 307 84 11 444 25 136 69 16 246 34 182 87 20 323 6 107 29 0 142 1155 06:45 PM 36 259 75 10 380 30 142 77 25 274 32 189 95 20 336 21 88 35 2 146 1136 Total 173 1246 340 40 1799 126 629 322 62 1139 141 756 320 75 1292 62 417 162 5 646 4876 Grand Total 385 2613 776 70 3844 273 1248 623 103 2247 266 1542 679 120 2607 148 866 369 9 1392 10090 Apprch % 10 68 20.2 1.8 12.1 55.5 27.7 4.6 10.2 59.1 26 4.6 10.6 62.2 26.5 0.6 Total % 3.8 25.9 7.7 0.7 38.1 2.7 12.4 6.2 1 22.3 2.6 15.3 6.7 1.2 25.8 1.5 8.6 3.7 0.1 13.8

EL CAMINO REAL
Southbound

SAN ANTONIO RD
Westbound

EL CAMINO REAL
Northbound

N SAN ANTONIO RD
Eastbound
Start Time Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Int. Total Peak Hour Analysis From 05:00 PM to 06:45 PM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 05:00 PM
05:00 PM 43 385 105 533 37 156 79 272 32 199 93 324 17 105 58 180 1309 05:15 PM 47 317 99 463 44 144 80 268 32 197 93 322 21 122 55 198 1251 05:30 PM 60 350 98 508 32 155 83 270 28 205 86 319 27 113 51 191 1288 05:45 PM 62 315 134 511 34 164 59 257 33 185 87 305 21 109 43 173 1246 Total Volume 212 1367 436 2015 147 619 301 1067 125 786 359 1270 86 449 207 742 5094 % App. Total 10.5 67.8 21.6 13.8 58 28.2 9.8 61.9 28.3 11.6 60.5 27.9 PHF .855 .888 .813 .945 .835 .944 .907 .981 .947 .959 .965 .980 .796 .920 .892 .937 .973 Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1631
Agenda Item # 10.

File Name : 26PM FINAL
Site Code : 00000026
Start Date : 10/10/2019
Page No : 2

EL CAMINO REAL

N SAN ANTONIO RD

SAN ANTONIO RD

EL CAMINO REAL
Right
212
Thru
1367
Left
436
Out In Total
1140 2015 3155
Right
147
Thru
619
Left
301
Out Total In
1010 1067 2077
Left
359
Thru
786
Right
125
Out In Total
1754 1270 3024
Left
207
Thru
449
Right
86 Total Out In
1190 742 1932
Peak Hour Begins at 05:00 PM
Vehicles
Peak Hour Data
North
Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1632
Agenda Item # 10.

DWY SHOWERS DR EL CAMINO REAL EL CAMINO REAL
(303) 216-2439
www.alltrafficdata.net
Location: 1 EL CAMINO REAL & SHOWERS DR AM
Date and Start Time: Thursday, April 12, 2018
Peak Rolling Hour Flow Rates
Peak Hour - All Vehicles
Traffic Counts
Note: Total study counts contained in parentheses.

Peak Hour - Pedestrians/Bicycles in Crosswalk
Peak Hour: 08:00 AM - 09:00 AM
Peak 15-Minutes: 08:45 AM - 09:00 AM
954 1,484
187
187
843 1,435
23 85

0.91 N
S
W E

0.91 0.81

0.92 0.64
(1,480) (2,721)
(326)
(278)
(117)
(27)
(1,331) (2,614) 509652
97 13
77 5
4 14
0 0
756
5221,32187
DWY

SHOWERS DR

EL CAMINO REAL

EL CAMINO REAL
43 12
0 19
N
S
W E
8 4
0 0
26 17
10 9
Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrain Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 7:00 AM 0 0 0 2 0 9 1 15 0 2 192 15 12 4 86 1 339 1,848 0 2 0 0 7:15 AM 0 0 0 0 0 8 1 22 1 3 249 7 6 13 93 3 406 2,058 7 2 0 3 7:30 AM 0 0 0 0 0 15 3 28 1 3 362 12 10 9 110 1 554 2,299 4 2 0 3 7:45 AM 0 1 1 0 0 14 3 20 1 5 311 15 9 15 148 6 549 2,437 0 5 0 2 8:00 AM 0 0 0 0 0 15 2 22 2 2 286 14 9 20 165 12 549 2,599 5 2 0 3 8:15 AM 0 4 1 2 0 22 4 20 1 3 337 19 16 28 179 11 647 10 4 0 13 8:30 AM 0 5 0 2 0 17 2 25 0 7 346 27 12 23 216 10 692 2 1 0 13 8:45 AM 0 5 3 1 0 23 5 30 2 10 352 27 15 25 196 17 711 2 4 0 9 Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 0 0 0 2 0 1 0 1 6 0 0 0 3 0 13
Lights 0 14 4 5 0 74 12 87 4 20 1,284 85 51 94 727 48 2,509 Mediums 0 0 0 0 0 1 1 9 1 1 31 2 1 2 26 2 77
Total 0 14 4 5 0 77 13 97 5 22 1,321 87 52 96 756 50 2,599 1633
Agenda Item # 10.

DWY SHOWERS DR EL CAMINO REAL EL CAMINO REAL
(303) 216-2439
www.alltrafficdata.net
Location: 1 EL CAMINO REAL & SHOWERS DR PM
Date and Start Time: Thursday, April 12, 2018
Peak Rolling Hour Flow Rates
Peak Hour - All Vehicles
Traffic Counts
Note: Total study counts contained in parentheses.

Peak Hour - Pedestrians/Bicycles in Crosswalk
Peak Hour: 04:30 PM - 05:30 PM
Peak 15-Minutes: 04:30 PM - 04:45 PM
1,917 1,233
350
353
1,856 1,240
160
225

0.97 N
S
W E

0.92 0.91

0.97 0.91
(3,610) (2,471)
(728)
(675)
(442)
(310)
(3,505) (2,445) 12263 174
119
30 201
82 27
51 0
0 1,558
15731,000152
DWY

SHOWERS DR

EL CAMINO REAL

EL CAMINO REAL
54 32
0 22
N
S
W E
21 11
0 0
25 29
9 13
Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrain Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 4:00 PM 0 12 5 10 0 58 9 29 2 15 235 39 22 35 340 16 827 3,475 2 7 0 4 4:15 PM 0 15 3 16 0 49 7 31 3 17 232 32 18 37 340 30 830 3,592 3 2 0 11 4:30 PM 0 11 8 18 0 40 7 29 6 18 251 38 13 47 423 39 948 3,667 3 9 0 14 4:45 PM 0 9 8 23 0 44 11 28 4 18 239 31 15 35 380 25 870 3,603 5 5 0 8 5:00 PM 0 16 6 20 0 60 7 34 4 16 268 38 19 49 384 23 944 3,618 10 10 0 10 5:15 PM 0 15 5 21 0 57 5 28 1 21 242 45 16 43 371 35 905 3 6 0 17 5:30 PM 0 18 6 23 0 55 4 30 4 22 234 48 22 45 337 36 884 1 10 0 8 5:45 PM 0 16 3 23 0 63 8 35 1 17 266 38 23 31 325 36 885 7 5 0 8 Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 0 0 0 0 0 0 0 0 2 0 0 0 6 0 8
Lights 0 51 27 82 0 197 30 111 15 73 986 152 63 170 1,529 122 3,608 Mediums 0 0 0 0 0 4 0 8 0 0 12 0 0 4 23 0 51
Total 0 51 27 82 0 201 30 119 15 73 1,000 152 63 174 1,558 122 3,667 1634
Agenda Item # 10.

File Name : 28AM FINAL
Site Code : 00000028
Start Date : 10/22/2019
Page No : 1
Groups Printed- Vehicles

EL CAMINO REAL
Southbound

DRIVEWAY
Westbound

EL CAMINO REAL
Northbound

JORDAN AVE
Eastbound
Start Time Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Int. Total 07:00 AM 4 79 0 2 85 0 0 0 0 0 2 266 8 0 276 9 0 0 5 14 375 07:15 AM 12 110 1 1 124 0 1 0 0 1 6 316 6 1 329 11 1 7 8 27 481 07:30 AM 18 119 2 2 141 1 2 0 3 6 4 399 11 2 416 12 1 5 3 21 584 07:45 AM 37 165 4 10 216 1 2 0 1 4 7 412 19 0 438 29 3 13 4 49 707 Total 71 473 7 15 566 2 5 0 4 11 19 1393 44 3 1459 61 5 25 20 111 2147 08:00 AM 22 215 2 1 240 2 2 0 2 6 3 412 14 4 433 24 4 20 2 50 729 08:15 AM 23 223 2 1 249 5 1 0 2 8 6 419 13 0 438 35 1 15 0 51 746 08:30 AM 17 256 1 1 275 0 1 0 0 1 13 443 8 4 468 21 2 12 5 40 784 08:45 AM 9 207 7 3 226 0 2 0 3 5 5 419 10 1 435 18 4 8 4 34 700 Total 71 901 12 6 990 7 6 0 7 20 27 1693 45 9 1774 98 11 55 11 175 2959 Grand Total 142 1374 19 21 1556 9 11 0 11 31 46 3086 89 12 3233 159 16 80 31 286 5106 Apprch % 9.1 88.3 1.2 1.3 29 35.5 0 35.5 1.4 95.5 2.8 0.4 55.6 5.6 28 10.8 Total % 2.8 26.9 0.4 0.4 30.5 0.2 0.2 0 0.2 0.6 0.9 60.4 1.7 0.2 63.3 3.1 0.3 1.6 0.6 5.6

EL CAMINO REAL
Southbound

DRIVEWAY
Westbound

EL CAMINO REAL
Northbound

JORDAN AVE
Eastbound
Start Time Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Int. Total Peak Hour Analysis From 07:00 AM to 08:45 AM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 07:45 AM
07:45 AM 37 165 4 206 1 2 0 3 7 412 19 438 29 3 13 45 692 08:00 AM 22 215 2 239 2 2 0 4 3 412 14 429 24 4 20 48 720 08:15 AM 23 223 2 248 5 1 0 6 6 419 13 438 35 1 15 51 743 08:30 AM 17 256 1 274 0 1 0 1 13 443 8 464 21 2 12 35 774 Total Volume 99 859 9 967 8 6 0 14 29 1686 54 1769 109 10 60 179 2929 % App. Total 10.2 88.8 0.9 57.1 42.9 0 1.6 95.3 3.1 60.9 5.6 33.5 PHF .669 .839 .563 .882 .400 .750 .000 .583 .558 .951 .711 .953 .779 .625 .750 .877 .946 Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1635
Agenda Item # 10.

File Name : 28AM FINAL
Site Code : 00000028
Start Date : 10/22/2019
Page No : 2

EL CAMINO REAL

JORDAN AVE

DRIVEWAY

EL CAMINO REAL
Right
99 Thru
859
Left
9 Out In Total
1754 967 2721
Right
8 Thru
6 Left
0 Out Total In
48 14 62
Left
54 Thru
1686
Right
29 Out In Total
968 1769 2737
Left
60 Thru
10 Right
109
Total Out In
159 179 338
Peak Hour Begins at 07:45 AM
Vehicles
Peak Hour Data
North
Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1636
Agenda Item # 10.

File Name : 28PM FINAL
Site Code : 00000028
Start Date : 10/22/2019
Page No : 1
Groups Printed- Vehicles

EL CAMINO REAL
Southbound

DRIVEWAY
Westbound

EL CAMINO REAL
Northbound

JORDAN AVE
Eastbound
Start Time Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Int. Total 05:00 PM 16 431 7 1 455 5 1 3 1 10 2 318 14 1 335 15 0 16 5 36 836 05:15 PM 18 409 4 2 433 2 2 2 5 11 1 333 12 0 346 26 1 18 3 48 838 05:30 PM 25 479 7 0 511 2 0 0 6 8 0 291 17 1 309 16 0 17 9 42 870 05:45 PM 16 471 8 2 497 3 0 0 7 10 2 295 21 0 318 34 0 12 1 47 872 Total 75 1790 26 5 1896 12 3 5 19 39 5 1237 64 2 1308 91 1 63 18 173 3416 06:00 PM 30 407 6 0 443 2 1 1 7 11 0 301 21 0 322 24 0 13 6 43 819 06:15 PM 14 418 3 1 436 1 0 2 6 9 0 319 15 1 335 32 0 13 5 50 830 06:30 PM 8 438 5 1 452 1 0 0 14 15 0 281 19 3 303 9 0 11 4 24 794 06:45 PM 14 341 4 1 360 1 0 0 4 5 0 252 17 0 269 20 0 12 6 38 672 Total 66 1604 18 3 1691 5 1 3 31 40 0 1153 72 4 1229 85 0 49 21 155 3115 Grand Total 141 3394 44 8 3587 17 4 8 50 79 5 2390 136 6 2537 176 1 112 39 328 6531 Apprch % 3.9 94.6 1.2 0.2 21.5 5.1 10.1 63.3 0.2 94.2 5.4 0.2 53.7 0.3 34.1 11.9 Total % 2.2 52 0.7 0.1 54.9 0.3 0.1 0.1 0.8 1.2 0.1 36.6 2.1 0.1 38.8 2.7 0 1.7 0.6 5

EL CAMINO REAL
Southbound

DRIVEWAY
Westbound

EL CAMINO REAL
Northbound

JORDAN AVE
Eastbound
Start Time Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Int. Total Peak Hour Analysis From 05:00 PM to 06:45 PM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 05:00 PM
05:00 PM 16 431 7 454 5 1 3 9 2 318 14 334 15 0 16 31 828 05:15 PM 18 409 4 431 2 2 2 6 1 333 12 346 26 1 18 45 828 05:30 PM 25 479 7 511 2 0 0 2 0 291 17 308 16 0 17 33 854 05:45 PM 16 471 8 495 3 0 0 3 2 295 21 318 34 0 12 46 862 Total Volume 75 1790 26 1891 12 3 5 20 5 1237 64 1306 91 1 63 155 3372 % App. Total 4 94.7 1.4 60 15 25 0.4 94.7 4.9 58.7 0.6 40.6 PHF .750 .934 .813 .925 .600 .375 .417 .556 .625 .929 .762 .944 .669 .250 .875 .842 .978 Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1637
Agenda Item # 10.

File Name : 28PM FINAL
Site Code : 00000028
Start Date : 10/22/2019
Page No : 2

EL CAMINO REAL

JORDAN AVE

DRIVEWAY

EL CAMINO REAL
Right
75 Thru
1790
Left
26 Out In Total
1312 1891 3203
Right
12 Thru
3 Left
5 Out Total In
32 20 52
Left
64 Thru
1237
Right
5 Out In Total
1886 1306 3192
Left
63 Thru
1 Right
91 Total Out In
142 155 297
Peak Hour Begins at 05:00 PM
Vehicles
Peak Hour Data
North
Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1638
Agenda Item # 10.

EL CAMINO REAL EL CAMINO REAL ORTEGA AVE ORTEGA AVE
(303) 216-2439
www.alltrafficdata.net
Location: 1 ORTEGA AVE & EL CAMINO REAL AM
Date: Tuesday, November 2, 2021
Peak Rolling Hour Flow Rates
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.

Peak Hour: 08:00 AM - 09:00 AM
Peak 15-Minutes: 08:30 AM - 08:45 AM
148 117
1,140
786
10 1
699
1,075

0.90 N
S
EW

0.52 0.89

0.25 0.84
(208) (163)
(1,976)
(1,199)
(1,901)
(1,094)
(16) (1) 420 106
96 1,031
10 0
677
20 3
2 0
0010

EL CAMINO REAL EL CAMINO REAL ORTEGA AVE

ORTEGA AVE
4 0
2 4 N
S
EW
0 0
1 1
4 0 3 1
0 0
10 0
0 1
0 0
10 18
0 0
0 22
N
S
W E
0 0
0 18 00 211
0 0 0
0 Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 7:00 AM 0 2 48 0 0 1 141 6 0 0 0 0 0 6 0 7 211 1,291 2 0 2 1 7:15 AM 0 2 83 0 1 0 186 13 0 0 0 0 0 5 0 5 295 1,543 0 0 0 0 7:30 AM 1 2 131 0 0 2 194 8 0 0 0 0 0 8 1 13 360 1,751 6 0 0 2 7:45 AM 1 1 124 0 0 1 271 12 0 0 0 0 0 7 1 7 425 1,942 3 0 1 0 8:00 AM 0 2 159 0 1 0 246 17 0 0 0 0 0 29 0 9 463 1,988 0 0 0 3 8:15 AM 1 2 174 0 0 3 237 14 0 0 0 0 0 51 0 21 503 2 0 0 0 8:30 AM 1 8 198 0 0 2 276 41 0 0 0 0 0 18 0 7 551 1 0 1 0 8:45 AM 0 8 146 0 2 5 272 24 0 0 1 0 0 8 0 5 471 1 0 1 1 Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 4
Lights 2 20 653 0 3 10 1,008 96 0 0 1 0 106 0 42 0 1,941 Mediums 0 0 20 0 0 0 23 0 0 0 0 0 0 0 0 0 43
Total 2 20 677 0 3 10 1,031 96 0 0 1 0 106 0 42 1,988 0 1639
Agenda Item # 10.

EL CAMINO REAL EL CAMINO REAL ORTEGA AVE ORTEGA AVE
(303) 216-2439
www.alltrafficdata.net
Location: 1 ORTEGA AVE & EL CAMINO REAL PM
Date: Tuesday, November 2, 2021
Peak Rolling Hour Flow Rates
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.

Peak Hour: 05:00 PM - 06:00 PM
Peak 15-Minutes: 05:15 PM - 05:30 PM
83 115
1,038
1,278
6 8
1,251
981

0.97 N
S
EW

0.83 0.98

0.45 0.96
(160) (224)
(1,982)
(2,434)
(1,888)
(2,411)
(18) (11) 29054
84 944
6 0
1,217
28 4
6 0
0233

EL CAMINO REAL EL CAMINO REAL ORTEGA AVE

ORTEGA AVE
8 0
6 5 N
S
EW
0 0
3 3
6 2 0 5
0 0
20 0
2 0
0 0
30 1
0 1
0 3 N
S
W E
0 0
0 1 21 00
0 0 0
0 Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 4:00 PM 1 6 287 1 2 2 199 17 0 0 0 0 0 11 0 5 531 2,184 2 0 2 0 4:15 PM 3 6 275 1 1 0 218 10 0 0 0 0 0 13 0 7 534 2,246 1 0 0 0 4:30 PM 4 16 256 4 0 2 216 16 0 0 0 2 0 13 0 9 538 2,326 1 0 2 4 4:45 PM 2 12 285 1 0 0 235 26 0 1 0 0 0 11 1 7 581 2,371 0 0 0 1 5:00 PM 2 10 302 0 2 4 238 14 0 1 2 2 0 9 0 7 593 2,380 0 0 1 0 5:15 PM 2 8 315 0 1 0 241 24 0 0 0 1 0 16 0 6 614 2 0 0 3 5:30 PM 1 5 302 0 0 2 230 23 0 0 0 0 0 11 0 9 583 1 0 4 2 5:45 PM 1 5 298 0 1 0 235 23 0 1 1 0 0 18 0 7 590 2 0 1 3 Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Lights 6 28 1,201 0 4 6 933 84 0 2 3 3 53 0 29 0 2,352
Mediums 0 0 16 0 0 0 11 0 0 0 0 0 1 0 0 0 28
Total 6 28 1,217 0 4 6 944 84 0 2 3 3 54 0 29 2,380 0
1640
Agenda Item # 10.

File Name : 30AM FINAL
Site Code : 00000030
Start Date : 10/10/2019
Page No : 1
Groups Printed- Vehicles

EL CAMINO REAL
Southbound Westbound

EL CAMINO REAL
Northbound

DISTEL DR
Eastbound
Start Time Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Int. Total 07:00 AM 3 92 1 0 96 0 0 0 0 0 0 303 7 0 310 6 0 2 2 10 416 07:15 AM 4 107 1 0 112 0 0 0 0 0 0 354 20 6 380 18 0 6 3 27 519 07:30 AM 7 157 1 0 165 0 0 0 0 0 0 402 27 1 430 20 0 4 2 26 621 07:45 AM 48 195 0 4 247 0 0 0 0 0 0 480 31 9 520 60 0 17 3 80 847 Total 62 551 3 4 620 0 0 0 0 0 0 1539 85 16 1640 104 0 29 10 143 2403 08:00 AM 26 260 0 1 287 0 0 0 0 0 0 441 28 0 469 73 0 19 0 92 848 08:15 AM 12 310 4 0 326 0 0 0 0 0 0 410 16 0 426 36 0 13 1 50 802 08:30 AM 9 259 4 0 272 0 0 0 0 0 0 438 18 0 456 35 0 14 1 50 778 08:45 AM 1 250 7 0 258 0 0 0 0 0 0 409 18 1 428 33 0 13 1 47 733 Total 48 1079 15 1 1143 0 0 0 0 0 0 1698 80 1 1779 177 0 59 3 239 3161 Grand Total 110 1630 18 5 1763 0 0 0 0 0 0 3237 165 17 3419 281 0 88 13 382 5564 Apprch % 6.2 92.5 1 0.3 0 0 0 0 0 94.7 4.8 0.5 73.6 0 23 3.4 Total % 2 29.3 0.3 0.1 31.7 0 0 0 0 0 0 58.2 3 0.3 61.4 5.1 0 1.6 0.2 6.9

EL CAMINO REAL
Southbound Westbound

EL CAMINO REAL
Northbound

DISTEL DR
Eastbound
Start Time Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Int. Total Peak Hour Analysis From 07:00 AM to 08:45 AM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 07:45 AM
07:45 AM 48 195 0 243 0 0 0 0 0 480 31 511 60 0 17 77 831 08:00 AM 26 260 0 286 0 0 0 0 0 441 28 469 73 0 19 92 847 08:15 AM 12 310 4 326 0 0 0 0 0 410 16 426 36 0 13 49 801 08:30 AM 9 259 4 272 0 0 0 0 0 438 18 456 35 0 14 49 777 Total Volume 95 1024 8 1127 0 0 0 0 0 1769 93 1862 204 0 63 267 3256 % App. Total 8.4 90.9 0.7 0 0 0 0 95 5 76.4 0 23.6
PHF .495 .826 .500 .864 .000 .000 .000 .000 .000 .921 .750 .911 .699 .000 .829 .726 .961 Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1641
Agenda Item # 10.

File Name : 30AM FINAL
Site Code : 00000030
Start Date : 10/10/2019
Page No : 2

EL CAMINO REAL

DISTEL DR

EL CAMINO REAL
Right
95 Thru
1024
Left
8 Out In Total
1832 1127 2959
Right
0 Thru
0 Left
0 Out Total In
8 0 8
Left
93 Thru
1769
Right
0 Out In Total
1228 1862 3090
Left
63 Thru
0 Right
204
Total Out In
188 267 455
Peak Hour Begins at 07:45 AM
Vehicles
Peak Hour Data
North
Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1642
Agenda Item # 10.

File Name : 30PM FINAL
Site Code : 00000030
Start Date : 10/10/2019
Page No : 1
Groups Printed- Vehicles

EL CAMINO REAL
Southbound Westbound

EL CAMINO REAL
Northbound

DISTEL DR
Eastbound
Start Time Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Int. Total 05:00 PM 5 502 1 0 508 0 0 0 0 0 0 325 11 0 336 24 0 6 3 33 877 05:15 PM 9 477 4 0 490 0 0 0 0 0 0 331 15 0 346 25 0 11 3 39 875 05:30 PM 4 448 1 1 454 0 0 0 0 0 0 313 21 0 334 35 0 12 2 49 837 05:45 PM 3 423 0 0 426 0 0 0 0 0 0 335 21 1 357 15 0 13 4 32 815 Total 21 1850 6 1 1878 0 0 0 0 0 0 1304 68 1 1373 99 0 42 12 153 3404 06:00 PM 5 408 2 0 415 0 0 0 0 0 0 278 24 0 302 23 0 10 3 36 753 06:15 PM 6 435 4 0 445 0 0 0 0 0 0 301 10 0 311 31 0 9 3 43 799 06:30 PM 3 396 1 0 400 0 0 0 0 0 0 280 21 0 301 21 0 10 2 33 734 06:45 PM 6 359 0 0 365 0 0 0 0 0 0 304 10 1 315 23 0 4 3 30 710 Total 20 1598 7 0 1625 0 0 0 0 0 0 1163 65 1 1229 98 0 33 11 142 2996 Grand Total 41 3448 13 1 3503 0 0 0 0 0 0 2467 133 2 2602 197 0 75 23 295 6400 Apprch % 1.2 98.4 0.4 0 0 0 0 0 0 94.8 5.1 0.1 66.8 0 25.4 7.8 Total % 0.6 53.9 0.2 0 54.7 0 0 0 0 0 0 38.5 2.1 0 40.7 3.1 0 1.2 0.4 4.6

EL CAMINO REAL
Southbound Westbound

EL CAMINO REAL
Northbound

DISTEL DR
Eastbound
Start Time Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Int. Total Peak Hour Analysis From 05:00 PM to 06:45 PM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 05:00 PM
05:00 PM 5 502 1 508 0 0 0 0 0 325 11 336 24 0 6 30 874 05:15 PM 9 477 4 490 0 0 0 0 0 331 15 346 25 0 11 36 872 05:30 PM 4 448 1 453 0 0 0 0 0 313 21 334 35 0 12 47 834 05:45 PM 3 423 0 426 0 0 0 0 0 335 21 356 15 0 13 28 810 Total Volume 21 1850 6 1877 0 0 0 0 0 1304 68 1372 99 0 42 141 3390 % App. Total 1.1 98.6 0.3 0 0 0 0 95 5 70.2 0 29.8
PHF .583 .921 .375 .924 .000 .000 .000 .000 .000 .973 .810 .963 .707 .000 .808 .750 .970 Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1643
Agenda Item # 10.

File Name : 30PM FINAL
Site Code : 00000030
Start Date : 10/10/2019
Page No : 2

EL CAMINO REAL

DISTEL DR

EL CAMINO REAL
Right
21 Thru
1850
Left
6 Out In Total
1346 1877 3223
Right
0 Thru
0 Left
0 Out Total In
6 0 6
Left
68 Thru
1304
Right
0 Out In Total
1949 1372 3321
Left
42 Thru
0 Right
99 Total Out In
89 141 230
Peak Hour Begins at 05:00 PM
Vehicles
Peak Hour Data
North
Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1644
Agenda Item # 10.

File Name : 31AM FINAL
Site Code : 00000031
Start Date : 10/10/2019
Page No : 1
Groups Printed- Vehicles

EL CAMINO REAL
Southbound

RENGSTORFF AVE
Westbound

EL CAMINO REAL
Northbound

DRIVEWAY
Eastbound
Start Time Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Int. Total 07:00 AM 0 98 2 6 106 23 0 24 0 47 27 272 3 0 302 0 0 0 6 6 461 07:15 AM 0 122 7 7 136 34 0 47 1 82 36 323 1 0 360 0 0 0 5 5 583 07:30 AM 0 175 12 5 192 58 0 77 1 136 43 359 7 0 409 0 0 0 5 5 742 07:45 AM 0 227 44 22 293 78 0 96 1 175 44 425 11 0 480 0 0 0 5 5 953 Total 0 622 65 40 727 193 0 244 3 440 150 1379 22 0 1551 0 0 0 21 21 2739 08:00 AM 0 274 55 19 348 44 0 77 5 126 59 393 14 0 466 0 0 0 10 10 950 08:15 AM 0 327 25 5 357 27 0 73 1 101 46 385 17 1 449 0 0 0 5 5 912 08:30 AM 1 278 28 5 312 51 0 53 1 105 63 390 11 0 464 1 0 0 5 6 887 08:45 AM 0 272 18 8 298 33 0 61 3 97 62 374 10 0 446 0 0 0 5 5 846 Total 1 1151 126 37 1315 155 0 264 10 429 230 1542 52 1 1825 1 0 0 25 26 3595 Grand Total 1 1773 191 77 2042 348 0 508 13 869 380 2921 74 1 3376 1 0 0 46 47 6334 Apprch % 0 86.8 9.4 3.8 40 0 58.5 1.5 11.3 86.5 2.2 0 2.1 0 0 97.9 Total % 0 28 3 1.2 32.2 5.5 0 8 0.2 13.7 6 46.1 1.2 0 53.3 0 0 0 0.7 0.7

EL CAMINO REAL
Southbound

RENGSTORFF AVE
Westbound

EL CAMINO REAL
Northbound

DRIVEWAY
Eastbound
Start Time Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Int. Total Peak Hour Analysis From 07:00 AM to 08:45 AM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 07:45 AM
07:45 AM 0 227 44 271 78 0 96 174 44 425 11 480 0 0 0 0 925 08:00 AM 0 274 55 329 44 0 77 121 59 393 14 466 0 0 0 0 916 08:15 AM 0 327 25 352 27 0 73 100 46 385 17 448 0 0 0 0 900 08:30 AM 1 278 28 307 51 0 53 104 63 390 11 464 1 0 0 1 876 Total Volume 1 1106 152 1259 200 0 299 499 212 1593 53 1858 1 0 0 1 3617 % App. Total 0.1 87.8 12.1 40.1 0 59.9 11.4 85.7 2.9 100 0 0 PHF .250 .846 .691 .894 .641 .000 .779 .717 .841 .937 .779 .968 .250 .000 .000 .250 .978 Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1645
Agenda Item # 10.

File Name : 31AM FINAL
Site Code : 00000031
Start Date : 10/10/2019
Page No : 2

EL CAMINO REAL

DRIVEWAY

RENGSTORFF AVE

EL CAMINO REAL
Right
1 Thru
1106
Left
152
Out In Total
1793 1259 3052
Right
200
Thru
0 Left
299
Out Total In
364 499 863
Left
53 Thru
1593
Right
212
Out In Total
1406 1858 3264
Left
0 Thru
0 Right
1 Total Out In
54 1 55
Peak Hour Begins at 07:45 AM
Vehicles
Peak Hour Data
North
Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1646
Agenda Item # 10.

File Name : 31PM FINAL
Site Code : 00000031
Start Date : 10/10/2019
Page No : 1
Groups Printed- Vehicles

EL CAMINO REAL
Southbound

RENGSTORFF AVE
Westbound

EL CAMINO REAL
Northbound

DRIVEWAY
Eastbound
Start Time Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Int. Total 05:00 PM 0 525 47 6 578 31 0 67 3 101 42 285 7 0 334 0 0 0 10 10 1023 05:15 PM 0 466 56 10 532 35 0 65 3 103 54 293 18 0 365 0 0 0 10 10 1010 05:30 PM 0 448 50 13 511 34 0 70 2 106 49 277 27 0 353 0 0 0 10 10 980 05:45 PM 0 398 52 4 454 35 0 71 4 110 56 296 12 0 364 0 0 0 4 4 932 Total 0 1837 205 33 2075 135 0 273 12 420 201 1151 64 0 1416 0 0 0 34 34 3945 06:00 PM 0 408 48 7 463 42 0 48 1 91 61 274 15 0 350 0 0 0 3 3 907 06:15 PM 0 454 48 5 507 33 0 70 3 106 55 279 32 0 366 0 0 0 8 8 987 06:30 PM 0 397 39 5 441 33 0 55 6 94 52 290 17 0 359 0 0 0 5 5 899 06:45 PM 0 379 43 5 427 36 0 65 2 103 48 300 14 0 362 0 0 0 7 7 899 Total 0 1638 178 22 1838 144 0 238 12 394 216 1143 78 0 1437 0 0 0 23 23 3692 Grand Total 0 3475 383 55 3913 279 0 511 24 814 417 2294 142 0 2853 0 0 0 57 57 7637 Apprch % 0 88.8 9.8 1.4 34.3 0 62.8 2.9 14.6 80.4 5 0 0 0 0 100 Total % 0 45.5 5 0.7 51.2 3.7 0 6.7 0.3 10.7 5.5 30 1.9 0 37.4 0 0 0 0.7 0.7

EL CAMINO REAL
Southbound

RENGSTORFF AVE
Westbound

EL CAMINO REAL
Northbound

DRIVEWAY
Eastbound
Start Time Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Int. Total Peak Hour Analysis From 05:00 PM to 06:45 PM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 05:00 PM
05:00 PM 0 525 47 572 31 0 67 98 42 285 7 334 0 0 0 0 1004 05:15 PM 0 466 56 522 35 0 65 100 54 293 18 365 0 0 0 0 987 05:30 PM 0 448 50 498 34 0 70 104 49 277 27 353 0 0 0 0 955 05:45 PM 0 398 52 450 35 0 71 106 56 296 12 364 0 0 0 0 920 Total Volume 0 1837 205 2042 135 0 273 408 201 1151 64 1416 0 0 0 0 3866 % App. Total 0 90 10 33.1 0 66.9 14.2 81.3 4.5 0 0 0
PHF .000 .875 .915 .892 .964 .000 .961 .962 .897 .972 .593 .970 .000 .000 .000 .000 .963 Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1647
Agenda Item # 10.

File Name : 31PM FINAL
Site Code : 00000031
Start Date : 10/10/2019
Page No : 2

EL CAMINO REAL

DRIVEWAY

RENGSTORFF AVE

EL CAMINO REAL
Right
0 Thru
1837
Left
205
Out In Total
1286 2042 3328
Right
135
Thru
0 Left
273
Out Total In
406 408 814
Left
64 Thru
1151
Right
201
Out In Total
2110 1416 3526
Left
0 Thru
0 Right
0 Total Out In
64 0 64
Peak Hour Begins at 05:00 PM
Vehicles
Peak Hour Data
North
Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1648
Agenda Item # 10.

File Name : 1AM FINAL
Site Code : 00000001
Start Date : 10/10/2019
Page No : 1
Groups Printed- Vehicles

N SAN ANTONIO RD
Southbound

E PORTOLA AVE
Westbound

N SAN ANTONIO RD
Northbound

W PORTOLA AVE
Eastbound
Start Time Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Int. Total 07:00 AM 4 91 0 0 95 3 2 2 2 9 2 86 38 4 130 17 2 18 1 38 272 07:15 AM 13 115 1 0 129 4 2 3 5 14 1 118 14 5 138 10 2 9 0 21 302 07:30 AM 7 179 1 0 187 3 6 6 6 21 5 160 35 26 226 11 5 16 9 41 475 07:45 AM 12 217 2 0 231 12 16 13 19 60 28 228 50 219 525 53 22 40 6 121 937 Total 36 602 4 0 642 22 26 24 32 104 36 592 137 254 1019 91 31 83 16 221 1986 08:00 AM 19 209 7 8 243 9 13 11 6 39 7 252 45 51 355 73 20 51 4 148 785 08:15 AM 21 208 2 1 232 11 16 13 6 46 7 178 47 43 275 30 19 49 4 102 655 08:30 AM 9 186 1 2 198 5 3 6 7 21 2 229 8 19 258 26 15 31 0 72 549 08:45 AM 4 164 3 1 172 7 1 5 5 18 0 179 2 1 182 5 4 13 0 22 394 Total 53 767 13 12 845 32 33 35 24 124 16 838 102 114 1070 134 58 144 8 344 2383 Grand Total 89 1369 17 12 1487 54 59 59 56 228 52 1430 239 368 2089 225 89 227 24 565 4369 Apprch % 6 92.1 1.1 0.8 23.7 25.9 25.9 24.6 2.5 68.5 11.4 17.6 39.8 15.8 40.2 4.2 Total % 2 31.3 0.4 0.3 34 1.2 1.4 1.4 1.3 5.2 1.2 32.7 5.5 8.4 47.8 5.1 2 5.2 0.5 12.9

N SAN ANTONIO RD
Southbound

E PORTOLA AVE
Westbound

N SAN ANTONIO RD
Northbound

W PORTOLA AVE
Eastbound
Start Time Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Int. Total Peak Hour Analysis From 07:00 AM to 08:45 AM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 07:45 AM
07:45 AM 12 217 2 231 12 16 13 41 28 228 50 306 53 22 40 115 693 08:00 AM 19 209 7 235 9 13 11 33 7 252 45 304 73 20 51 144 716 08:15 AM 21 208 2 231 11 16 13 40 7 178 47 232 30 19 49 98 601 08:30 AM 9 186 1 196 5 3 6 14 2 229 8 239 26 15 31 72 521 Total Volume 61 820 12 893 37 48 43 128 44 887 150 1081 182 76 171 429 2531 % App. Total 6.8 91.8 1.3 28.9 37.5 33.6 4.1 82.1 13.9 42.4 17.7 39.9 PHF .726 .945 .429 .950 .771 .750 .827 .780 .393 .880 .750 .883 .623 .864 .838 .745 .884 Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1649
Agenda Item # 10.

File Name : 1AM FINAL
Site Code : 00000001
Start Date : 10/10/2019
Page No : 2

N SAN ANTONIO RD

W PORTOLA AVE

E PORTOLA AVE

N SAN ANTONIO RD
Right
61 Thru
820
Left
12 Out In Total
1095 893 1988
Right
37 Thru
48 Left
43 Out Total In
132 128 260
Left
150
Thru
887
Right
44 Out In Total
1045 1081 2126
Left
171
Thru
76 Right
182
Total Out In
259 429 688
Peak Hour Begins at 07:45 AM
Vehicles
Peak Hour Data
North
Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1650
Agenda Item # 10.

File Name : 1PM FINAL
Site Code : 00000001
Start Date : 10/10/2019
Page No : 1
Groups Printed- Vehicles

N SAN ANTONIO RD
Southbound

E PORTOLA AVE
Westbound

N SAN ANTONIO RD
Northbound

W PORTOLA AVE
Eastbound
Start Time Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Right Thru Left Peds App. Total Int. Total 05:00 PM 8 216 5 0 229 6 3 10 3 22 7 166 7 2 182 7 8 13 2 30 463 05:15 PM 8 217 6 0 231 6 2 6 2 16 6 211 16 3 236 11 3 7 1 22 505 05:30 PM 13 236 5 0 254 7 4 7 1 19 4 186 6 3 199 13 5 13 2 33 505 05:45 PM 5 262 4 3 274 8 0 8 3 19 5 182 12 0 199 10 4 13 0 27 519 Total 34 931 20 3 988 27 9 31 9 76 22 745 41 8 816 41 20 46 5 112 1992 06:00 PM 12 261 3 0 276 4 1 9 3 17 3 202 10 3 218 7 6 10 1 24 535 06:15 PM 3 211 6 1 221 4 3 5 2 14 3 174 7 1 185 7 2 7 3 19 439 06:30 PM 8 194 4 0 206 7 2 5 3 17 2 140 7 3 152 6 5 8 9 28 403 06:45 PM 12 205 4 0 221 13 4 7 5 29 3 140 13 2 158 7 3 11 1 22 430 Total 35 871 17 1 924 28 10 26 13 77 11 656 37 9 713 27 16 36 14 93 1807 Grand Total 69 1802 37 4 1912 55 19 57 22 153 33 1401 78 17 1529 68 36 82 19 205 3799 Apprch % 3.6 94.2 1.9 0.2 35.9 12.4 37.3 14.4 2.2 91.6 5.1 1.1 33.2 17.6 40 9.3 Total % 1.8 47.4 1 0.1 50.3 1.4 0.5 1.5 0.6 4 0.9 36.9 2.1 0.4 40.2 1.8 0.9 2.2 0.5 5.4

N SAN ANTONIO RD
Southbound

E PORTOLA AVE
Westbound

N SAN ANTONIO RD
Northbound

W PORTOLA AVE
Eastbound
Start Time Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Right Thru Left App. Total Int. Total Peak Hour Analysis From 05:00 PM to 06:45 PM - Peak 1 of 1 Peak Hour for Entire Intersection Begins at 05:15 PM
05:15 PM 8 217 6 231 6 2 6 14 6 211 16 233 11 3 7 21 499 05:30 PM 13 236 5 254 7 4 7 18 4 186 6 196 13 5 13 31 499 05:45 PM 5 262 4 271 8 0 8 16 5 182 12 199 10 4 13 27 513 06:00 PM 12 261 3 276 4 1 9 14 3 202 10 215 7 6 10 23 528 Total Volume 38 976 18 1032 25 7 30 62 18 781 44 843 41 18 43 102 2039 % App. Total 3.7 94.6 1.7 40.3 11.3 48.4 2.1 92.6 5.2 40.2 17.6 42.2 PHF .731 .931 .750 .935 .781 .438 .833 .861 .750 .925 .688 .905 .788 .750 .827 .823 .965 Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1651
Agenda Item # 10.

File Name : 1PM FINAL
Site Code : 00000001
Start Date : 10/10/2019
Page No : 2

N SAN ANTONIO RD

W PORTOLA AVE

E PORTOLA AVE

N SAN ANTONIO RD
Right
38 Thru
976
Left
18 Out In Total
849 1032 1881
Right
25 Thru
7 Left
30 Out Total In
54 62 116
Left
44 Thru
781
Right
18 Out In Total
1047 843 1890
Left
43 Thru
18 Right
41 Total Out In
89 102 191
Peak Hour Begins at 05:15 PM
Vehicles
Peak Hour Data
North
Traffic Data Service
San Jose, CA
(408) 622-4787
[email protected]
1652
Agenda Item # 10.

JORDAN AVE JORDAN AVE SAN ANTONIO RD SAN ANTONIO RD
(303) 216-2439
www.alltrafficdata.net
Location: 4 SAN ANTONIO RD & JORDAN AVE AM
Date: Tuesday, November 2, 2021
Peak Rolling Hour Flow Rates
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.

Peak Hour: 07:45 AM - 08:45 AM
Peak 15-Minutes: 08:15 AM - 08:30 AM
980 798
46 53
1,004 829
0 0

0.86 N
S
EW

0.85 0.92

0.79 0.00
(1,369) (1,187)
(62)
(83)
()
()
(1,403) (1,242)
0012
10 0
36 0
0 0
0 0 968
00788 41

JORDAN AVE

JORDAN AVE

SAN ANTONIO RD

SAN ANTONIO RD
0 7
0 0 N
S
EW
5 2
0 0
0 0 0 0
0 0140
8 1
0 0 0
90 0
0 0
0 0 N
S
W E
0 0
0 0 00 17
0 0 0
0 Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 7:00 AM 0 0 0 0 0 1 0 0 0 0 73 6 0 0 76 0 156 877 0 1 0 0 7:15 AM 0 0 0 0 0 2 0 0 0 0 56 5 0 0 67 0 130 1,120 0 1 0 0 7:30 AM 0 0 0 0 0 2 0 0 0 0 99 5 0 0 93 0 199 1,530 0 0 2 0 7:45 AM 0 0 0 0 0 9 0 0 0 0 161 6 0 3 213 0 392 1,855 0 1 0 0 8:00 AM 0 0 0 0 0 6 0 6 0 0 147 11 0 2 227 0 399 1,796 0 2 0 0 8:15 AM 0 0 0 0 0 8 0 4 0 0 227 14 0 3 284 0 540 0 3 0 0 8:30 AM 0 0 0 0 0 13 0 0 0 0 253 10 0 4 244 0 524 0 1 0 0 8:45 AM 0 0 0 0 0 7 0 4 0 0 157 12 0 2 151 0 333 0 0 0 0 Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
Lights 0 0 0 0 0 35 0 9 0 0 776 41 12 947 0 0 1,820
Mediums 0 0 0 0 0 1 0 1 0 0 11 0 0 21 0 0 34
Total 0 0 0 0 0 36 0 10 0 0 788 41 12 968 0 1,855 0
1653
Agenda Item # 10.

JORDAN AVE JORDAN AVE SAN ANTONIO RD SAN ANTONIO RD
(303) 216-2439
www.alltrafficdata.net
Location: 4 SAN ANTONIO RD & JORDAN AVE PM
Date: Tuesday, November 2, 2021
Peak Rolling Hour Flow Rates
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.

Peak Hour: 04:15 PM - 05:15 PM
Peak 15-Minutes: 05:00 PM - 05:15 PM
748 713
53 54
776 742
0 0

0.92 N
S
EW

0.89 0.78

0.97 0.00
(1,468) (1,393)
(96)
(99)
()
()
(1,512) (1,440)
0213
10 0
43 0
0 0
0 0 733
00701 41

JORDAN AVE

JORDAN AVE

SAN ANTONIO RD

SAN ANTONIO RD
0 6
0 0 N
S
EW
5 1
0 0
0 0 0 0
0 0
30 0
1 0
0 0
20 0
0 0
0 0 N
S
W E
0 0
0 0 00 00
0 0 0
0 Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 4:00 PM 0 0 0 0 0 7 0 2 0 0 173 6 0 4 157 0 349 1,472 0 2 0 0 4:15 PM 0 0 0 0 0 15 0 1 0 0 169 15 0 2 175 0 377 1,543 0 1 0 0 4:30 PM 0 0 0 0 0 8 0 2 0 0 183 8 0 0 171 0 372 1,516 0 2 0 0 4:45 PM 0 0 0 0 0 5 0 5 0 0 174 8 0 4 178 0 374 1,518 0 2 0 0 5:00 PM 0 0 0 0 0 15 0 2 0 0 175 10 2 7 209 0 420 1,532 0 1 0 0 5:15 PM 0 0 0 0 0 7 0 1 0 0 168 9 0 3 162 0 350 0 2 0 0 5:30 PM 0 0 0 0 0 8 0 4 0 0 163 5 1 4 189 0 374 0 1 0 0 5:45 PM 0 0 0 0 0 9 0 5 0 0 163 11 0 3 197 0 388 0 0 0 0 Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Lights 0 0 0 0 0 43 0 10 0 0 698 41 13 729 0 2 1,536
Mediums 0 0 0 0 0 0 0 0 0 0 3 0 0 4 0 0 7
Total 0 0 0 0 0 43 0 10 0 0 701 41 13 733 0 1,543 2
1654
Agenda Item # 10.

DWY ALMOND AVE SAN ANTONIO RD SAN ANTONIO RD
(303) 216-2439
www.alltrafficdata.net
Location: 3 SAN ANTONIO RD & ALMOND AVE AM
Date: Tuesday, September 18, 2018
Peak Rolling Hour Flow Rates
Peak Hour - All Vehicles
Traffic Counts
Note: Total study counts contained in parentheses.

Peak Hour - Pedestrians/Bicycles in Crosswalk
Peak Hour: 07:45 AM - 08:45 AM
Peak 15-Minutes: 08:00 AM - 08:15 AM
1,068 988
473
324
1,202 973
0 0

0.84 N
S
EW

0.75 0.81

0.94 0.25
(1,692) (1,704)
(706)
(505)
()
(1)
(1,885) (1,695)
04 152
184
0 289
0 0
0 0
0 912
10800 172 DWY

ALMOND AVE

SAN ANTONIO RD

SAN ANTONIO RD
86 11
0 19
N
S
W E 7 4
0 0
3 83 6 13
Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 7:00 AM 0 0 0 0 0 22 0 12 0 0 97 17 1 12 77 0 238 1,667 6 0 0 4 7:15 AM 0 0 0 0 0 31 0 10 0 0 111 21 0 27 116 0 316 2,181 5 1 0 1 7:30 AM 0 0 0 0 0 26 0 41 0 0 189 40 2 26 133 0 457 2,430 4 2 0 17 7:45 AM 0 0 0 0 0 76 0 58 1 0 191 68 1 58 203 0 656 15 2 0 26 2,514 8:00 AM 0 0 0 0 0 82 0 64 0 0 185 66 0 58 297 0 752 2,427 1 3 0 5 8:15 AM 0 0 0 0 0 63 0 33 0 0 212 15 0 29 213 0 565 1 4 0 1 8:30 AM 0 0 0 0 0 68 0 29 0 0 212 23 3 7 199 0 541 1 0 0 3 8:45 AM 0 1 0 0 0 65 0 26 1 0 224 22 2 16 212 0 569 3 0 0 1 9:00 AM
9:15 AM
9:30 AM
9:45 AM
Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 0 0 0 0 0 0 0 0 5 0 0 5 0 0 10
Lights 0 0 0 0 285 0 182 0 1 0 782 172 152 887 0 4 2,465 Mediums 0 0 0 0 0 4 0 2 0 0 13 0 0 20 0 0 39
Total 0 0 0 0 289 0 184 0 1 0 800 172 152 912 0 2,514 4 1655
Agenda Item # 10.

ALMOND AVE ALMOND AVE SAN ANTONIO RD SAN ANTONIO RD
(303) 216-2439
www.alltrafficdata.net
Location: 1 SAN ANTONIO RD & ALMOND AVE PM
Date: Friday, November 8, 2019
Peak Rolling Hour Flow Rates
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.

Peak Hour: 05:00 PM - 06:00 PM
Peak 15-Minutes: 05:45 PM - 06:00 PM
1,151 915
364
343
1,277 1,021
0 1

0.97 N
S
EW

0.92 0.88

0.91 0.00
(1,988) (1,703)
(623)
(579)
(1)
()
(2,230) (1,902)
16 122
118
0 246
0 0
0 0
0 1,022
90791 221 ALMOND AVE

ALMOND AVE

SAN ANTONIO RD

SAN ANTONIO RD
25 17
0 28
N
S
EW
9 8
0 0
17 8 18 10
3 030
2 0
0 4
006
0 0
0 0
5 N
S
W E
3 0
0 0 41 20
0 0
0 0
Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 5:00 PM 0 0 0 0 0 51 0 13 2 0 203 47 1 39 272 0 628 15 8 0 13 2,536 5:15 PM 0 0 0 0 0 59 0 32 3 0 163 47 2 34 266 0 606 10 5 0 6 2,449 5:30 PM 0 0 0 0 0 71 0 29 2 0 220 58 2 21 245 0 648 2,338 1 2 0 2 5:45 PM 0 0 0 0 0 65 0 44 2 0 205 69 1 28 239 1 654 2,185 2 2 0 4 6:00 PM 0 0 0 0 0 56 0 28 2 0 172 44 1 25 213 0 541 1,977 7 4 0 4 6:15 PM 0 0 0 0 0 45 0 14 0 0 191 43 4 18 180 0 495 18 2 0 22 6:30 PM 0 0 0 0 0 43 0 17 1 0 178 48 1 9 198 0 495 2 0 0 0 6:45 PM 0 0 0 0 0 44 0 12 0 0 168 34 2 15 171 0 446 0 0 0 0 Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Lights 0 0 0 0 246 0 118 0 9 0 783 221 121 1,019 1 6 2,524 Mediums 0 0 0 0 0 0 0 0 0 0 8 0 1 3 0 0 12
Total 0 0 0 0 246 0 118 0 9 0 791 221 122 1,022 1 2,536 6 1656
Agenda Item # 10.

EL CAMINO REAL EL CAMINO REAL DISTEL CIR DISTEL CIR
(303) 216-2439
www.alltrafficdata.net
Location: 5 DISTEL CIR & EL CAMINO REAL AM
Date: Tuesday, November 2, 2021
Peak Rolling Hour Flow Rates
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.

Peak Hour: 08:00 AM - 09:00 AM
Peak 15-Minutes: 08:30 AM - 08:45 AM
8 6
1,255
809
127 28
790
1,139

0.89 N
S
EW

0.83 0.89

0.58 0.89
(17) (6)
(2,148)
(1,202)
(1,973)
(1,192)
(217) (41)
620
5 1,123
80 47
740
1 47
2 0
08020

EL CAMINO REAL EL CAMINO REAL DISTEL CIR

DISTEL CIR
11 0
6 2 N
S
EW
0 0
3 3
4 7 1 1
0 0
00 0
0 0
1 0
00 0
0 0
6 0 N
S
W E
0 0
0 0 00 00
0 0 0
0 Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 7:00 AM 1 0 54 1 1 12 144 0 0 1 0 0 0 1 0 2 217 1,317 0 0 1 2 7:15 AM 1 0 80 5 4 26 195 0 0 2 0 2 0 0 0 1 316 1,581 0 0 1 0 7:30 AM 2 0 124 10 1 10 195 0 0 3 0 0 0 1 0 1 347 1,777 0 0 0 2 7:45 AM 0 0 114 10 6 16 283 0 0 2 0 3 0 2 0 1 437 2,014 1 0 1 1 8:00 AM 0 0 182 12 4 17 259 0 0 2 0 3 0 1 0 1 481 2,081 1 0 0 1 8:15 AM 0 1 200 13 29 247 14 1 0 2 0 2 0 0 0 3 512 0 0 2 3 8:30 AM 2 0 204 16 21 313 15 1 0 3 0 9 0 0 0 0 584 0 0 1 4 8:45 AM 0 0 154 14 13 304 6 3 0 1 0 6 0 1 0 2 504 1 0 3 3 Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 4
Lights 2 1 716 46 47 80 1,100 5 0 7 0 17 2 0 6 0 2,029
Mediums 0 0 20 1 0 0 23 0 0 1 0 3 0 0 0 0 48
Total 2 1 740 47 47 80 1,123 5 0 8 0 20 2 0 6 2,081 0
1657
Agenda Item # 10.

EL CAMINO REAL EL CAMINO REAL DISTEL CIR DISTEL CIR
(303) 216-2439
www.alltrafficdata.net
Location: 5 DISTEL CIR & EL CAMINO REAL PM
Date: Tuesday, November 2, 2021
Peak Rolling Hour Flow Rates
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.

Peak Hour: 05:00 PM - 06:00 PM
Peak 15-Minutes: 05:15 PM - 05:30 PM
7 24
1,069
1,295
35 28
1,282
1,032

0.97 N
S
EW

0.44 0.97

0.80 0.97
(12) (42)
(2,046)
(2,480)
(1,980)
(2,451)
(67) (60)
430
18 1,015
25 10
1,263
6 11
3 0
010018

EL CAMINO REAL EL CAMINO REAL DISTEL CIR

DISTEL CIR
15 0
4 0 N
S
EW
0 0
1 3
8 7 0 0
0 0
00 0
0 0
0 2
00 1
0 0
0 3 N
S
W E
0 0
0 1 03 00
0 0 0
0 Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 4:00 PM 2 2 300 3 2 2 221 4 0 3 0 6 0 0 0 3 548 2,183 2 0 0 2 4:15 PM 1 0 288 2 4 6 221 5 0 1 0 3 0 0 0 0 531 2,224 2 0 1 0 4:30 PM 1 0 268 1 2 6 231 0 0 3 0 7 0 0 0 2 521 2,307 1 0 2 2 4:45 PM 1 4 292 4 6 8 256 3 0 2 0 7 0 0 0 0 583 2,374 1 0 0 3 5:00 PM 0 1 307 7 4 4 253 1 0 4 0 7 0 0 0 1 589 2,386 0 0 1 1 5:15 PM 0 1 330 1 2 4 264 6 0 3 0 2 0 0 0 1 614 0 0 1 4 5:30 PM 1 1 309 1 2 4 251 6 0 3 0 6 0 3 0 1 588 0 0 2 6 5:45 PM 2 3 317 1 3 13 247 5 0 0 0 3 0 0 0 1 595 0 0 0 4 Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
Lights 3 6 1,245 10 11 25 1,003 18 0 10 0 18 3 0 4 0 2,356 Mediums 0 0 17 0 0 0 12 0 0 0 0 0 0 0 0 0 29
Total 3 6 1,263 10 11 25 1,015 18 10 0 18 3 0 4 2,386 0 0 1658
Agenda Item # 10.

MARICH WAY MARICH WAY DISTEL DR DISTEL DR
(303) 216-2439
www.alltrafficdata.net
Location: 6 DISTEL DR & MARICH WAY AM
Date: Tuesday, November 2, 2021
Peak Rolling Hour Flow Rates
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.

Peak Hour: 08:00 AM - 09:00 AM
Peak 15-Minutes: 08:30 AM - 08:45 AM
210 215
139
112
5 7
137
161

0.65 N
S
EW

0.60 0.59

0.75 0.57
(244) (275)
(179)
(139)
(191)
(177)
(5) (10) 121087
100
37 2
1 23
113
0 0 2
0322 MARICH WAY MARICH WAY DISTEL DR

DISTEL DR
5 0
8 3 N
S
EW
0 0
6 2
1 4 2 1
0 9
013
0 0
8 0 0
00 1
1 8
0 1 N
S
W E
0 0
0 1 10 00
0 0 0
0 Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 7:00 AM 0 4 0 0 0 0 2 1 0 0 0 0 1 0 0 2 10 117 0 0 1 0
7:15 AM 0 7 2 0 0 0 1 5 0 0 1 0 0 5 0 5 26 191 0 0 3 0
7:30 AM 0 5 2 0 0 0 6 12 0 0 0 0 0 5 0 5 35 335 0 0 0 0 7:45 AM 0 12 8 0 0 0 2 11 0 0 1 1 0 4 0 7 46 491 1 0 1 1 8:00 AM 0 13 6 1 0 1 9 11 0 2 0 0 0 20 1 20 84 493 0 0 0 0 8:15 AM 0 30 11 0 0 0 12 27 0 1 0 1 0 33 1 54 170 2 0 2 2 8:30 AM 0 58 6 0 0 1 12 46 0 0 2 1 0 29 0 36 191 0 0 1 2 8:45 AM 0 12 0 0 0 0 4 16 0 0 0 0 0 5 0 11 48 1 0 5 1
Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Lights 0 113 23 1 0 2 37 100 0 3 2 2 87 2 120 0 492
Mediums 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
Total 0 113 23 1 0 2 37 100 0 3 2 2 87 2 121 493 0
1659
Agenda Item # 10.

MARICH WAY MARICH WAY DISTEL DR DISTEL DR
(303) 216-2439
www.alltrafficdata.net
Location: 6 DISTEL DR & MARICH WAY PM
Date: Tuesday, November 2, 2021
Peak Rolling Hour Flow Rates
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.

Peak Hour: 05:00 PM - 06:00 PM
Peak 15-Minutes: 05:45 PM - 06:00 PM
71 63
45 56
8 3
52 44

0.64 N
S
EW

0.49 0.72

0.50 0.76
(119) (134)
(97)
(91)
(85)
(97)
(9) (6) 30037
29 14
2 2
18 32
0 0 4
0021 MARICH WAY MARICH WAY DISTEL DR

DISTEL DR
9 3
15 2 N
S
EW
1 2
11 4
8 1 2 0
0 2
01 0
2 2
0 0
20 0
1 4
0 0 N
S
W E
0 0
0 0 00 00
0 0 0
0 Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 4:00 PM 0 16 3 0 0 0 6 12 0 0 0 0 0 8 0 4 49 148 0 0 2 1 4:15 PM 0 8 4 0 0 0 2 6 0 0 0 0 0 5 0 8 33 133 2 0 2 0
4:30 PM 0 6 2 0 0 0 4 7 0 0 1 0 0 7 1 6 34 133 0 0 7 1
4:45 PM 0 4 2 0 0 0 5 10 0 0 1 1 0 3 0 6 32 136 0 0 5 1 5:00 PM 0 6 3 1 0 1 6 5 0 0 0 0 0 8 1 3 34 171 2 0 3 1
5:15 PM 0 7 4 0 0 0 4 8 0 0 0 1 0 6 1 2 33 0 1 3 2
5:30 PM 0 11 3 0 0 0 1 7 0 0 1 0 0 7 0 7 37 0 2 5 4
5:45 PM 0 8 8 1 0 1 3 9 0 0 1 0 0 16 2 18 67 0 0 4 2
Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Lights 0 32 18 2 0 2 14 29 0 0 2 1 37 4 30 0 171
Mediums 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 0 32 18 2 0 2 14 29 0 0 2 1 37 4 30 171 0
1660
Agenda Item # 10.

DISTEL CIR DISTEL CIR DISTEL DR DISTEL DR
(303) 216-2439
www.alltrafficdata.net
Location: 7 DISTEL DR & DISTEL CIR AM
Date: Tuesday, November 2, 2021
Peak Rolling Hour Flow Rates
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.

Peak Hour: 08:00 AM - 09:00 AM
Peak 15-Minutes: 08:30 AM - 08:45 AM
160 212
0 0
201 216
74 37

0.65 N
S
EW

0.56 0.00

0.50 0.69
(191) (264)
()
()
(58)
(88)
(233) (276) 150
0 0
0 0
56 0
18 0
0 145
0221940 DISTEL CIR

DISTEL CIR

DISTEL DR

DISTEL DR
0 0
0 10
N
S
EW
0 0
0 0
0 0 7 3
0 0320
0 0
0 0 0
10 0
0 0
17 2 N
S
W E
0 0
0 0 20 00
0 0 0
0 Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 7:00 AM 0 1 0 2 0 0 0 0 0 1 5 0 0 0 0 0 9 105 2 0 0 0
7:15 AM 0 0 0 6 0 0 0 0 0 3 10 0 0 0 5 2 26 163 0 0 0 0 7:30 AM 0 1 0 1 0 0 0 0 0 2 15 0 0 0 8 4 31 290 0 0 0 0 7:45 AM 0 0 0 3 0 0 0 0 0 4 20 0 0 0 7 5 39 432 1 0 0 1 8:00 AM 0 3 0 7 0 0 0 0 0 4 20 0 0 0 30 3 67 450 2 0 0 0 8:15 AM 0 3 0 24 0 0 0 0 0 5 50 0 0 0 67 4 153 5 0 0 0
8:30 AM 0 5 0 20 0 0 0 0 0 9 100 0 0 0 35 4 173 0 0 0 0 8:45 AM 0 7 0 5 0 0 0 0 0 4 24 0 0 0 13 4 57 3 0 0 0
Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Lights 0 17 0 56 0 0 0 0 0 22 194 0 0 144 13 0 446
Mediums 0 1 0 0 0 0 0 0 0 0 0 0 0 1 2 0 4
Total 0 18 0 56 0 0 0 0 22 194 0 0 145 15 450 0 0
1661
Agenda Item # 10.

DISTEL CIR DISTEL CIR DISTEL DR DISTEL DR
(303) 216-2439
www.alltrafficdata.net
Location: 7 DISTEL DR & DISTEL CIR PM
Date: Tuesday, November 2, 2021
Peak Rolling Hour Flow Rates
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.

Peak Hour: 05:00 PM - 06:00 PM
Peak 15-Minutes: 05:45 PM - 06:00 PM
52 99
0 0
72 65
57 3

0.67 N
S
EW

0.46 0.00

0.63 0.79
(96) (190)
()
()
(16)
(94)
(122) (138)
202
0 0
0 24
0 33
0 0 48
01640 DISTEL CIR

DISTEL CIR

DISTEL DR

DISTEL DR
0 0
1 0 N
S
EW
0 0
0 1
0 0 0 0
0 0
10 0
0 0
0 0
23 0
0 0
0 0 N
S
W E
0 0
0 0 00 00
0 0 0
0 Left Thru Right Total
Interval Eastbound
Start Time
Rolling
Hour West East South North
Pedestrian Crossings
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right 4:00 PM 0 8 0 3 0 0 0 0 0 3 26 0 0 0 11 3 54 154 1 0 0 0 4:15 PM 0 3 0 1 0 0 0 0 0 1 13 0 0 0 9 2 29 135 0 0 0 0 4:30 PM 0 7 0 5 0 0 0 0 0 2 13 0 0 0 10 2 39 138 0 0 0 0 4:45 PM 0 5 0 5 0 0 0 0 0 0 15 0 1 0 6 0 32 141 0 0 1 0 5:00 PM 0 11 0 5 0 0 0 0 0 0 12 0 0 0 7 0 35 174 0 0 1 0 5:15 PM 0 7 0 3 0 0 0 0 0 0 15 0 0 0 7 0 32 0 0 0 0
5:30 PM 0 8 0 5 0 0 0 0 0 1 18 0 1 0 8 1 42 0 0 0 0
5:45 PM 0 7 0 11 0 0 0 0 0 0 19 0 1 0 26 1 65 0 0 0 0
Vehicle Type Left Thru Right
Eastbound
U-Turn
Westbound Northbound Southbound
U-Turn Left Thru Right U-Turn Left Thru Right U-Turn Left Thru Right Total Articulated Trucks 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Lights 0 33 0 24 0 0 0 0 0 1 64 0 0 48 2 2 174
Mediums 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 0 33 0 24 0 0 0 0 0 1 64 0 0 48 2 174 2
1662
Agenda Item # 10.

Appendix C
Turning Movement Volumes
1663
Agenda Item # 10.
330 Distel Circle Volume Spreadsheet
Intersection Number: 1
Software Node Number: 25
Intersection Name: Los Altos Avenue & El Camino Real
Peak Hour: AM Date of Analysis:

Count Date:

Scenario: 330 Distel Circle TA
Movements
North Approach East Approach South Approach West Approach Scenario: RT TH LT RT TH LT RT TH LT RT TH LT Total
Existing Conditions 4 9 14 7 1423 101 166 4 166 121 738 53 2806 Project Trips 0 0 0 0 3 0 0 0 0 0 -1 0 2
Existing + Project 4 9 14 7 1426 101 166 4 166 121 737 53 Approved Project Trips 0 0 0 0 76 0 0 0 0 0 40 0 116
Background Conditions 4 9 14 7 1499 101 166 4 166 121 778 53 2922 Background + Project 4 9 14 7 1502 101 166 4 166 121 777 53 2924 Approved + Pending Project Trips 0 0 0 0 92 0 -1 0 1 0 100 0 192 Cumulative no Proj Conditions (incl 1% Growth rate) 5 11 17 8 1771 119 195 5 197 143 971 63 3505 Cumulative + Project Conditions 5 11 17 8 1774 119 195 5 197 143 970 63 3507 Intersection Number: 2
Software Node Number: 45
Intersection Name: Del Medio Avenue & El Camino Real
Peak Hour: AM Date of Analysis:

Count Date:

Scenario: 330 Distel Circle TA
Movements
North Approach East Approach South Approach West Approach Scenario: RT TH LT RT TH LT RT TH LT RT TH LT Total
Existing Conditions 0 0 0 118 1341 86 1 0 0 0 1078 99 2723 Project Trips 0 0 0 0 3 0 0 0 0 0 -1 0 2
Existing + Project 0 0 0 118 1344 86 1 0 0 0 1077 99
Approved Project Trips 0 0 0 0 76 0 0 0 0 0 33 7 116
Background Conditions 0 0 0 118 1417 86 1 0 0 0 1111 106 2839 Background + Project 0 0 0 118 1420 86 1 0 0 0 1110 106 2841 Background + Project Check 0 0 0 0 0 0 0 0 0 0 0 0
Approved + Pending Project Trips 0 0 0 0 88 0 0 0 0 0 96 7 191 Cumulative no Proj Conditions (incl 1% Growth rate) 0 0 0 139 1670 101 1 0 0 0 1368 124 3403 Cumulative + Project Conditions 0 0 0 139 1673 101 1 0 0 0 1367 124 3405 Intersection Number: 3
Software Node Number: 26
Intersection Name: San Antonio Road & El Camino Real
Peak Hour: AM Date of Analysis:

Count Date:

Scenario: 330 Distel Circle TA
Movements
North Approach East Approach South Approach West Approach Scenario: RT TH LT RT TH LT RT TH LT RT TH LT Total
Existing Conditions 276 712 182 179 1180 261 41 718 178 144 606 299 4776 Project Trips 0 0 -1 2 3 2 -2 0 0 0 -1 0 3
Existing + Project 276 712 181 181 1183 263 39 718 178 144 605 299 Approved Project Trips 21 20 0 0 56 4 0 8 -1 0 33 0 141 Background Conditions 297 732 182 179 1236 265 41 726 177 144 639 299 4917 Background + Project 297 732 181 181 1239 267 39 726 177 144 638 299 4920 Approved + Pending Project Trips 29 27 17 51 58 4 12 48 1 5 53 38 343 Cumulative no Proj Conditions (incl 1% Growth rate) 355 867 232 262 1450 312 60 895 211 175 768 391 5978 Cumulative + Project Conditions 355 867 231 264 1453 314 58 895 211 175 767 391 5981 03/07/22
10/10/19
03/07/22
05/29/19
03/07/22
10/10/19
Hexagon Transportation Consultants, Inc.
3/28/2022
AM
330 Distel Circle Volume Spreadsheet
1664
Agenda Item # 10.
330 Distel Circle Volume Spreadsheet
Intersection Number: 4
Software Node Number: 51
Intersection Name: Showers Drive & El Camino Real
Peak Hour: AM Date of Analysis: