Att A - PC Staff Report and Attachments.pdf — Signal Hill City Council, November 12, 2024 (part 3 of 3)

Project:

Project Number:

Project Manager:

Reported:

Jones Environmental
11007 Forest Place ST-18876
Colby Wakeman
1933 N. Temple Ave.

Santa Fe Springs CA, 90670 12/29/21 15:57
25712 Commercentre Drive
Lake Forest, California 92630
949.297.5020 Phone
949.297.5027 Fax
Sample ID Laboratory ID Matrix Date Sampled

ANALYTICAL REPORT FOR SAMPLES
Date Received
South Wall @ 8.5' T213936-01 Soil 12/21/21 07:25 12/22/21 13:40 Joann Marroquin, Director of Operations
SunStar Laboratories, Inc. The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 2 of 9 ends

Project:

Project Number:

Project Manager:

Reported:

Jones Environmental
11007 Forest Place ST-18876
Colby Wakeman
1933 N. Temple Ave.

Santa Fe Springs CA, 90670 12/29/21 15:57
25712 Commercentre Drive
Lake Forest, California 92630
949.297.5020 Phone
949.297.5027 Fax

DETECTIONS SUMMARY
Laboratory ID:

Analyte Result Limit Units Method
South Wall @ 8.5' T213936-01
Notes
Reporting
Sample ID:

Hexavalent Chromium 180 1.0 ug/kg EPA 7199
Joann Marroquin, Director of Operations
SunStar Laboratories, Inc. The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 3 of 9 ends

Project:

Project Number:

Project Manager:

Reported:

Jones Environmental
11007 Forest Place ST-18876
Colby Wakeman
1933 N. Temple Ave.

Santa Fe Springs CA, 90670 12/29/21 15:57
25712 Commercentre Drive
Lake Forest, California 92630
949.297.5020 Phone
949.297.5027 Fax
Analyte Result Limit Batch
Reporting
Units Dilution Prepared Analyzed Method Notes
South Wall @ 8.5'
T213936-01 (Soil)
SunStar Laboratories, Inc.

Conventional Chemistry Parameters by APHA/EPA/ASTM Methods Hexavalent Chromium 180 1.0 ug/kg 1 1122718 12/27/21 12/27/21 EPA 7199 Joann Marroquin, Director of Operations
SunStar Laboratories, Inc. The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 4 of 9 ends

Project:

Project Number:

Project Manager:

Reported:

Jones Environmental
11007 Forest Place ST-18876
Colby Wakeman
1933 N. Temple Ave.

Santa Fe Springs CA, 90670 12/29/21 15:57
25712 Commercentre Drive
Lake Forest, California 92630
949.297.5020 Phone
949.297.5027 Fax
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Analyte Limit Notes
Conventional Chemistry Parameters by APHA/EPA/ASTM Methods - Quality Control SunStar Laboratories, Inc.

Batch 1122718 - General Preparation
Blank (1122718-BLK1) Prepared & Analyzed: 12/27/21
Hexavalent Chromium ND 1.0 ug/kg
LCS (1122718-BS1) Prepared & Analyzed: 12/27/21
Hexavalent Chromium 9930 1.0 10000 80-120 ug/kg 99.3
Matrix Spike (1122718-MS1) Source: T213936-01 Prepared & Analyzed: 12/27/21 Hexavalent Chromium 9180 1.0 10000 178 75-125 ug/kg 90.0 Matrix Spike Dup (1122718-MSD1) Source: T213936-01 Prepared & Analyzed: 12/27/21 Hexavalent Chromium 9510 1.0 10000 178 ug/kg 93.3 3.47 75-125 20 Joann Marroquin, Director of Operations
SunStar Laboratories, Inc. The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 5 of 9 ends

Project:

Project Number:

Project Manager:

Reported:

Jones Environmental
11007 Forest Place ST-18876
Colby Wakeman
1933 N. Temple Ave.

Santa Fe Springs CA, 90670 12/29/21 15:57
25712 Commercentre Drive
Lake Forest, California 92630
949.297.5020 Phone
949.297.5027 Fax
Notes and Definitions
Sample results reported on a dry weight basis
RPD Relative Percent Difference
dry
NR Not Reported
ND Analyte NOT DETECTED at or above the reporting limit DET Analyte DETECTED
Joann Marroquin, Director of Operations
SunStar Laboratories, Inc. The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 6 of 9 ends

Page 7 of 9 ends

348

Page 8 of 9349 ends

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351
Project:

Project Number:

Project Manager:

Reported:

Mearns Consulting Corporation
738 Ashland Avenue Las Brisas
Santa Monica CA, 90405 Susan Mearns 04/12/05 14:01
City of Signal Hill
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
Offsite-1 (0504072-33) Soil Sampled: 04/04/05 13:20 Received: 04/04/05 14:15 Silver ND 0.80 mg/kg B5D0709 1 04/07/05 04/11/05 EPA 6010B Arsenic 5.2 1.7 " " " " " "
Barium 97 3.3 " " " " " "
Beryllium ND 0.75 " " " " " "
Cadmium ND 0.51 " " " " " "
Cobalt 8.1 2.2 " " " " " "
Chromium 21 0.98 " " " " " "
Copper 25 2.2 " " " " " "
Mercury ND 0.16 " B5D0711 " 04/07/05 04/08/05 EPA 7471A Molybdenum ND 1.7 " B5D0709 " 04/07/05 04/11/05 EPA 6010B Nickel 12 0.79 " " " " " "
Lead 12 1.3 " " " " " "
Antimony ND 1.6 " " " " " "
Selenium ND 1.9 " " " " " "
Thallium ND 1.5 " " " " " "
Vanadium 35 0.73 " " " " " "
Zinc 62 1.3 " " " " " "
Offsite-5 (0504072-34) Soil Sampled: 04/04/05 13:25 Received: 04/04/05 14:15 Silver ND 0.80 mg/kg B5D0709 1 04/07/05 04/11/05 EPA 6010B Arsenic 12 1.7 " " " " " "
Barium 160 3.3 " " " " " "
Beryllium 1.1 0.75 " " " " " "
Cadmium ND 0.51 " " " " " "
Cobalt 17 2.2 " " " " " "
Chromium 50 0.98 " " " " " "
Copper 64 2.2 " " " " " "
Mercury ND 0.18 " B5D0711 " 04/07/05 04/08/05 EPA 7471A Molybdenum ND 1.7 " B5D0709 " 04/07/05 04/11/05 EPA 6010B Nickel 30 0.79 " " " " " "
Lead 8.1 1.3 " " " " " "
Antimony 2.3 1.6 " " " " " "
Selenium ND 1.9 " " " " " "
Thallium ND 1.5 " " " " " "
Vanadium 75 0.73 " " " " " "
Zinc 99 1.3 " " " " " "

Page 19 of 79 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting Corporation
738 Ashland Avenue Las Brisas
Santa Monica CA, 90405 Susan Mearns 04/12/05 14:01
City of Signal Hill
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
Offsite-10 (0504072-35) Soil Sampled: 04/04/05 13:29 Received: 04/04/05 14:15 Silver ND 0.80 mg/kg B5D0709 1 04/07/05 04/11/05 EPA 6010B Arsenic 12 1.7 " " " " " "
Barium 170 3.3 " " " " " "
Beryllium ND 0.75 " " " " " "
Cadmium ND 0.51 " " " " " "
Cobalt 14 2.2 " " " " " "
Chromium 32 0.98 " " " " " "
Copper 35 2.2 " " " " " "
Mercury ND 0.18 " B5D0711 " 04/07/05 04/08/05 EPA 7471A Molybdenum ND 1.7 " B5D0709 " 04/07/05 04/11/05 EPA 6010B Nickel 22 0.79 " " " " " "
Lead 5.6 1.3 " " " " " "
Antimony ND 1.6 " " " " " "
Selenium ND 1.9 " " " " " "
Thallium ND 1.5 " " " " " "
Vanadium 58 0.73 " " " " " "
Zinc 67 1.3 " " " " " "
Offsite-20 (0504072-36) Soil Sampled: 04/04/05 13:36 Received: 04/04/05 14:15 Silver ND 0.80 mg/kg B5D0709 1 04/07/05 04/11/05 EPA 6010B Arsenic 14 1.7 " " " " " "
Barium 73 3.3 " " " " " "
Beryllium 0.95 0.75 " " " " " "
Cadmium ND 0.51 " " " " " "
Cobalt 17 2.2 " " " " " "
Chromium 35 0.98 " " " " " "
Copper 80 2.2 " " " " " "
Mercury ND 0.15 " B5D0711 " 04/07/05 04/08/05 EPA 7471A Molybdenum ND 1.7 " B5D0709 " 04/07/05 04/11/05 EPA 6010B Nickel 22 0.79 " " " " " "
Lead 10 1.3 " " " " " "
Antimony ND 1.6 " " " " " "
Selenium ND 1.9 " " " " " "
Thallium ND 1.5 " " " " " "
Vanadium 67 0.73 " " " " " "
Zinc 95 1.3 " " " " " "

Page 20 of 79 ends

The samples were received by Sierra Analytical Labs, Inc. with a chain of custody record attached or completed at the submittal of the samples.

The analyses were performed according to the prescribed method as outlined by EPA, Standard Methods, and A.S.T.M.

The remaining portions of the samples will be disposed of within 30 days from the date of this report.

If you require any additional retaining time, please advise us.

Sincerely,
13 July 2021
Richard K. Forsyth
Laboratory Director
Work Order No.: 2107058
Sierra Analytical Labs, Inc. is certified by the California Department of Health Services (DOHS), Environmental Laboratory Accredidation Program (ELAP) No. 2320. 354
Project:

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/13/21 12:23
1905 E 21st St. - Spud Field
Sample ID Laboratory ID Matrix Date Sampled

ANALYTICAL REPORT FOR SAMPLES
Date Received
SB1-5 2107058-01 Soil 07/06/21 07:40 07/06/21 14:35
SB2-5 2107058-02 Soil 07/06/21 07:51 07/06/21 14:35
SB3-5 2107058-03 Soil 07/06/21 08:01 07/06/21 14:35
SB4-5 2107058-04 Soil 07/06/21 08:08 07/06/21 14:35
SB5-5 2107058-05 Soil 07/06/21 08:16 07/06/21 14:35
SB6-5 2107058-06 Soil 07/06/21 08:23 07/06/21 14:35
SB7-5 2107058-07 Soil 07/06/21 08:31 07/06/21 14:35
SB8-5 2107058-08 Soil 07/06/21 08:38 07/06/21 14:35
SB9-5 2107058-09 Soil 07/06/21 08:47 07/06/21 14:35
SB10-5 2107058-10 Soil 07/06/21 08:58 07/06/21 14:35
SB11-5 2107058-11 Soil 07/06/21 09:10 07/06/21 14:35

Page 1 of 12 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/13/21 12:23
1905 E 21st St. - Spud Field
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SB1-5 (2107058-01) Soil Sampled: 07/06/21 07:40 Received: 07/06/21 14:35 Silver ND 2.0 mg/kg B1G0611 1 07/06/21 07/07/21 13:55 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 84 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 11 3.3 " " " " " "
Chromium 36 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " B1G0711 " 07/07/21 07/09/21 12:47 EPA 7199A Copper 40 5.0 " " B1G0611 07/06/21 07/07/21 13:55 EPA 6010B Mercury ND 0.90 " B1G0613 " 07/06/21 07/06/21 20:35 EPA 7471A Molybdenum ND 5.2 " B1G0611 " 07/06/21 07/07/21 13:55 EPA 6010B Nickel 21 3.0 " " " " " "
Lead 8.8 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 46 5.1 " " " " " "
Zinc 54 7.0 " " " " " "
SB2-5 (2107058-02) Soil Sampled: 07/06/21 07:51 Received: 07/06/21 14:35 Silver ND 2.0 mg/kg B1G0611 1 07/06/21 07/07/21 13:55 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 69 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 9.3 3.3 " " " " " "
Chromium 21 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " B1G0711 " 07/07/21 07/09/21 12:47 EPA 7199A Copper 26 5.0 " " B1G0611 07/06/21 07/07/21 13:55 EPA 6010B Mercury ND 0.90 " B1G0613 " 07/06/21 07/06/21 20:35 EPA 7471A Molybdenum ND 5.2 " B1G0611 " 07/06/21 07/07/21 13:55 EPA 6010B Nickel 15 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 36 5.1 " " " " " "
Zinc 39 7.0 " " " " " "

Page 2 of 12 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/13/21 12:23
1905 E 21st St. - Spud Field
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SB3-5 (2107058-03) Soil Sampled: 07/06/21 08:01 Received: 07/06/21 14:35 Silver ND 2.0 mg/kg B1G0611 1 07/06/21 07/07/21 13:55 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 48 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 4.6 3.3 " " " " " "
Chromium 9.0 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " B1G0711 " 07/07/21 07/09/21 12:47 EPA 7199A Copper 16 5.0 " " B1G0611 07/06/21 07/07/21 13:55 EPA 6010B Mercury ND 0.90 " B1G0613 " 07/06/21 07/06/21 20:35 EPA 7471A Molybdenum ND 5.2 " B1G0611 " 07/06/21 07/07/21 13:55 EPA 6010B Nickel 6.2 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 16 5.1 " " " " " "
Zinc 29 7.0 " " " " " "
SB4-5 (2107058-04) Soil Sampled: 07/06/21 08:08 Received: 07/06/21 14:35 Silver ND 2.0 mg/kg B1G0611 1 07/06/21 07/07/21 13:55 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 170 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 14 3.3 " " " " " "
Chromium 42 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " B1G0711 " 07/07/21 07/09/21 12:47 EPA 7199A Copper 45 5.0 " " B1G0611 07/06/21 07/07/21 13:55 EPA 6010B Mercury ND 0.90 " B1G0613 " 07/06/21 07/06/21 20:35 EPA 7471A Molybdenum ND 5.2 " B1G0611 " 07/06/21 07/07/21 13:55 EPA 6010B Nickel 26 3.0 " " " " " "
Lead 9.5 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 58 5.1 " " " " " "
Zinc 74 7.0 " " " " " "

Page 3 of 12 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/13/21 12:23
1905 E 21st St. - Spud Field
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SB5-5 (2107058-05) Soil Sampled: 07/06/21 08:16 Received: 07/06/21 14:35 Silver ND 2.0 mg/kg B1G0611 1 07/06/21 07/07/21 13:55 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 97 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 16 3.3 " " " " " "
Chromium 30 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " B1G0711 " 07/07/21 07/09/21 12:47 EPA 7199A Copper 40 5.0 " " B1G0611 07/06/21 07/07/21 13:55 EPA 6010B Mercury ND 0.90 " B1G0613 " 07/06/21 07/06/21 20:35 EPA 7471A Molybdenum ND 5.2 " B1G0611 " 07/06/21 07/07/21 13:55 EPA 6010B Nickel 27 3.0 " " " " " "
Lead 8.5 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 52 5.1 " " " " " "
Zinc 56 7.0 " " " " " "
SB6-5 (2107058-06) Soil Sampled: 07/06/21 08:23 Received: 07/06/21 14:35 Silver ND 2.0 mg/kg B1G0611 1 07/06/21 07/07/21 13:55 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 130 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 22 3.3 " " " " " "
Chromium 42 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " B1G0711 " 07/07/21 07/09/21 12:47 EPA 7199A Copper 46 5.0 " " B1G0611 07/06/21 07/07/21 13:55 EPA 6010B Mercury ND 0.90 " B1G0613 " 07/06/21 07/06/21 20:35 EPA 7471A Molybdenum ND 5.2 " B1G0611 " 07/06/21 07/07/21 13:55 EPA 6010B Nickel 33 3.0 " " " " " "
Lead 11 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 71 5.1 " " " " " "
Zinc 85 7.0 " " " " " "

Page 4 of 12 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/13/21 12:23
1905 E 21st St. - Spud Field
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SB7-5 (2107058-07) Soil Sampled: 07/06/21 08:31 Received: 07/06/21 14:35 Silver ND 2.0 mg/kg B1G0611 1 07/06/21 07/07/21 13:55 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 80 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 12 3.3 " " " " " "
Chromium 24 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " B1G0711 " 07/07/21 07/09/21 12:47 EPA 7199A Copper 26 5.0 " " B1G0611 07/06/21 07/07/21 13:55 EPA 6010B Mercury ND 0.90 " B1G0613 " 07/06/21 07/06/21 20:35 EPA 7471A Molybdenum ND 5.2 " B1G0611 " 07/06/21 07/07/21 13:55 EPA 6010B Nickel 19 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 43 5.1 " " " " " "
Zinc 47 7.0 " " " " " "
SB8-5 (2107058-08) Soil Sampled: 07/06/21 08:38 Received: 07/06/21 14:35 Silver ND 2.0 mg/kg B1G0611 1 07/06/21 07/07/21 13:55 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 180 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 17 3.3 " " " " " "
Chromium 38 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " B1G0711 " 07/07/21 07/09/21 12:47 EPA 7199A Copper 37 5.0 " " B1G0611 07/06/21 07/07/21 13:55 EPA 6010B Mercury ND 0.90 " B1G0613 " 07/06/21 07/06/21 20:35 EPA 7471A Molybdenum ND 5.2 " B1G0611 " 07/06/21 07/07/21 13:55 EPA 6010B Nickel 32 3.0 " " " " " "
Lead 11 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 68 5.1 " " " " " "
Zinc 51 7.0 " " " " " "

Page 5 of 12 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/13/21 12:23
1905 E 21st St. - Spud Field
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SB9-5 (2107058-09) Soil Sampled: 07/06/21 08:47 Received: 07/06/21 14:35 Silver ND 2.0 mg/kg B1G0611 1 07/06/21 07/07/21 13:55 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 87 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 14 3.3 " " " " " "
Chromium 30 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " B1G0711 " 07/07/21 07/09/21 12:47 EPA 7199A Copper 28 5.0 " " B1G0611 07/06/21 07/07/21 13:55 EPA 6010B Mercury ND 0.90 " B1G0613 " 07/06/21 07/06/21 20:35 EPA 7471A Molybdenum ND 5.2 " B1G0611 " 07/06/21 07/07/21 13:55 EPA 6010B Nickel 24 3.0 " " " " " "
Lead 9.0 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 54 5.1 " " " " " "
Zinc 38 7.0 " " " " " "
SB10-5 (2107058-10) Soil Sampled: 07/06/21 08:58 Received: 07/06/21 14:35 Silver ND 2.0 mg/kg B1G0611 1 07/06/21 07/07/21 13:55 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 98 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 13 3.3 " " " " " "
Chromium 27 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " B1G0711 " 07/07/21 07/09/21 12:47 EPA 7199A Copper 30 5.0 " " B1G0611 07/06/21 07/07/21 13:55 EPA 6010B Mercury ND 0.90 " B1G0613 " 07/06/21 07/06/21 20:35 EPA 7471A Molybdenum ND 5.2 " B1G0611 " 07/06/21 07/07/21 13:55 EPA 6010B Nickel 23 3.0 " " " " " "
Lead 7.5 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 51 5.1 " " " " " "
Zinc 39 7.0 " " " " " "

Page 6 of 12 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/13/21 12:23
1905 E 21st St. - Spud Field
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SB11-5 (2107058-11) Soil Sampled: 07/06/21 09:10 Received: 07/06/21 14:35 Silver ND 2.0 mg/kg B1G0611 1 07/06/21 07/07/21 13:55 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 120 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 9.8 3.3 " " " " " "
Chromium 22 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " B1G0711 " 07/07/21 07/09/21 12:47 EPA 7199A Copper 14 5.0 " " B1G0611 07/06/21 07/07/21 13:55 EPA 6010B Mercury ND 0.90 " B1G0613 " 07/06/21 07/06/21 20:35 EPA 7471A Molybdenum ND 5.2 " B1G0611 " 07/06/21 07/07/21 13:55 EPA 6010B Nickel 16 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 39 5.1 " " " " " "
Zinc 31 7.0 " " " " " "

Page 7 of 12 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/13/21 12:23
1905 E 21st St. - Spud Field
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Analyte Limit Notes
Metals by EPA 6000/7000 Series Methods - Quality Control Sierra Analytical Labs, Inc.

Batch B1G0611 - EPA 3050B
Blank (B1G0611-BLK1) Prepared: 07/06/21 Analyzed: 07/07/21 Antimony ND 8.0 mg/kg
Selenium ND 6.9 "
Cadmium ND 2.5 "
Vanadium ND 5.1 "
Chromium ND 2.3 "
Cobalt ND 3.3 "
Zinc ND 7.0 "
Thallium ND 17 "
Copper ND 5.0 "
Barium ND 6.0 "
Lead ND 7.1 "
Arsenic ND 5.5 "
Molybdenum ND 5.2 "
Nickel ND 3.0 "
Silver ND 2.0 "
Beryllium ND 2.2 "
LCS (B1G0611-BS1) Prepared: 07/06/21 Analyzed: 07/07/21 Copper 107 5.0 100 78-122 mg/kg 107
Lead 112 7.1 100 80-120 " 112
Antimony 103 8.0 100 75-125 " 103
Chromium 111 2.3 100 80-120 " 111
Selenium 105 6.9 100 76-124 " 105
Cobalt 119 3.3 100 80-120 " 119
Beryllium 107 2.2 100 80-120 " 107
Silver 106 2.0 100 60-140 " 106
Arsenic 105 5.5 100 78-122 " 105
Barium 112 6.0 100 80-120 " 112
Zinc 110 7.0 100 80-120 " 110
Nickel 119 3.0 100 80-120 " 119
Vanadium 107 5.1 100 80-120 " 107
Cadmium 103 2.5 100 80-120 " 103
Molybdenum 108 5.2 100 80-120 " 108
Thallium 114 17 100 80-120 " 114

Page 8 of 12 ends

Project Number:

Project Manager:

Reported:

Batch B1G0611 - EPA 3050B
LCS Dup (B1G0611-BSD1) Prepared: 07/06/21 Analyzed: 07/07/21 Beryllium 105 2.2 100 mg/kg 105 1.49 80-120 20
Chromium 106 2.3 100 " 106 4.14 80-120 20
Cadmium 97.5 2.5 100 " 97.5 5.78 80-120 20
Copper 112 5.0 100 " 112 4.64 78-122 20
Arsenic 101 5.5 100 " 101 3.70 78-122 20
Cobalt 116 3.3 100 " 116 2.58 80-120 20
Silver 108 2.0 100 " 108 1.96 60-140 40
Molybdenum 105 5.2 100 " 105 3.50 80-120 20
Barium 109 6.0 100 " 109 2.55 80-120 20
Vanadium 105 5.1 100 " 105 1.32 80-120 20
Selenium 100 6.9 100 " 100 4.29 76-124 20
Antimony 112 8.0 100 " 112 8.57 75-125 20
Nickel 115 3.0 100 " 115 3.21 80-120 20
Lead 115 7.1 100 " 115 3.08 80-120 20
Thallium 107 17 100 " 107 6.02 80-120 20
Zinc 109 7.0 100 " 109 1.23 80-120 20
Matrix Spike (B1G0611-MS1) Source: 2107028-01 Prepared: 07/06/21 Analyzed: 07/07/21 Vanadium 126 5.1 96.8 32.6 70-130 mg/kg 96.9
Barium 192 6.0 96.8 83.1 70-130 " 113
Cobalt 102 3.3 96.8 7.94 70-130 " 97.4
Molybdenum 82.1 5.2 96.8 0.635 70-130 " 84.2
Cadmium 84.1 2.5 96.8 1.03 70-130 " 85.8
Zinc 132 7.0 96.8 46.6 70-130 " 88.5
Arsenic 86.3 5.5 96.8 ND 70-130 " 89.2
Selenium 86.0 6.9 96.8 1.66 70-130 " 87.2
Silver 99.9 2.0 96.8 0.269 60-140 " 103
Beryllium 88.1 2.2 96.8 0.220 70-130 " 91.1
Antimony 94.6 8.0 96.8 5.77 60-140 " 91.8
Chromium 109 2.3 96.8 17.4 70-130 " 94.5
Nickel 110 3.0 96.8 15.2 70-130 " 97.7
Thallium 85.0 17 96.8 ND 70-130 " 87.8
Lead 129 7.1 96.8 22.8 70-130 " 109
Copper 135 5.0 96.8 25.5 70-130 " 113

Page 9 of 12 ends

Project Number:

Project Manager:

Reported:

Batch B1G0611 - EPA 3050B
Matrix Spike Dup (B1G0611-MSD1) Source: 2107028-01 Prepared: 07/06/21 Analyzed: 07/07/21 Barium 193 6.0 96.7 83.1 mg/kg 114 0.455 70-130 20
Molybdenum 82.3 5.2 96.7 0.635 " 84.4 0.168 70-130 20
Silver 98.4 2.0 96.7 0.269 " 101 1.49 60-140 40
Arsenic 87.1 5.5 96.7 ND " 90.0 0.880 70-130 20
Zinc 148 7.0 96.7 46.6 " 105 11.0 70-130 20
Nickel 107 3.0 96.7 15.2 " 95.2 2.37 70-130 20
Cobalt 103 3.3 96.7 7.94 " 98.1 0.588 70-130 20
Copper 136 5.0 96.7 25.5 " 115 1.31 70-130 30
Beryllium 87.0 2.2 96.7 0.220 " 90.0 1.31 70-130 20
Thallium 85.1 17 96.7 ND " 88.0 0.102 70-130 20
Lead 127 7.1 96.7 22.8 " 108 1.16 70-130 30
Chromium 110 2.3 96.7 17.4 " 95.8 1.07 70-130 20
Cadmium 86.2 2.5 96.7 1.03 " 88.1 2.52 70-130 20
Vanadium 124 5.1 96.7 32.6 " 94.2 2.17 70-130 20
Antimony 91.9 8.0 96.7 5.77 " 89.1 2.90 60-140 20
Selenium 87.0 6.9 96.7 1.66 " 88.3 1.16 70-130 20
Batch B1G0613 - EPA 7471A
Blank (B1G0613-BLK1) Prepared & Analyzed: 07/06/21
Mercury ND 0.90 mg/kg
LCS (B1G0613-BS1) Prepared & Analyzed: 07/06/21
Mercury 0.20 0.90 0.167 70-130 mg/kg 118
Matrix Spike (B1G0613-MS1) Source: 2107028-01 Prepared & Analyzed: 07/06/21 Mercury 0.24 0.90 0.163 0.09 70-130 mg/kg 90.8

Page 10 of 12 ends

Project Number:

Project Manager:

Reported:

Batch B1G0613 - EPA 7471A
Matrix Spike Dup (B1G0613-MSD1) Source: 2107028-01 Prepared & Analyzed: 07/06/21 Mercury 0.24 0.90 0.162 0.09 mg/kg 89.1 1.57 70-130 30
Batch B1G0711 - EPA 3060A
Blank (B1G0711-BLK1) Prepared: 07/07/21 Analyzed: 07/09/21 Hexavalent Chromium ND 0.10 mg/kg
LCS (B1G0711-BS1) Prepared: 07/07/21 Analyzed: 07/09/21 Hexavalent Chromium 0.158 0.10 0.150 80-120 mg/kg 105
Matrix Spike (B1G0711-MS1) Source: 2107058-01 Prepared: 07/07/21 Analyzed: 07/09/21 Hexavalent Chromium 0.175 0.10 0.149 0.0273 75-125 mg/kg 99.1 Matrix Spike Dup (B1G0711-MSD1) Source: 2107058-01 Prepared: 07/07/21 Analyzed: 07/09/21 Hexavalent Chromium 0.183 0.10 0.150 0.0273 mg/kg 104 4.44 75-125 20

Page 11 of 12 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/13/21 12:23
1905 E 21st St. - Spud Field
Notes and Definitions
Sample results reported on a dry weight basis
RPD Relative Percent Difference
dry
NR Not Reported
ND Analyte NOT DETECTED at or above the reporting limit DET Analyte DETECTED

Page 12 of 12 ends

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. 26052 MERIT CIRCLE SUITE 104, LAGUNA HILLS, CALIFORNIA 92653 TELEPHONE: (949) 348-9389 FAX: (949) 348-9115
E-MAIL: SIERRALABS @ SIERRALABS.NET 366
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9 10
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19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42

A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
Gehan z Test Value -3.994
Critical z (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Gehan Test
H0: Mean/Median of Sample 1 <= Mean/Median of background KM Mean 71.96 110.9
KM SD 95.63 41.89
Median of Detects 49.15 97
SD of Detects 95.63 41.89
Maximum Detect 580 180
Mean of Detects 71.96 110.9
Percent Non-detects 0.00% 0.00%
Minimum Detect 25.4 48
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Ba
Sample 2 Data: BkBa
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Gehan Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:04:19 PM 417
418
419
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42

A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
TW Statistic -4.866
TW Critical Value (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Tarone-Ware Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
KM Mean 71.96 110.9
KM SD 95.63 41.89
Median of Detects 49.15 97
SD of Detects 95.63 41.89
Maximum Detect 580 180
Mean of Detects 71.96 110.9
Percent Non-detects 0.00% 0.00%
Minimum Detect 25.4 48
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detects 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Ba
Sample 2 Data: BkBa
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Tarone-Ware Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:07:44 PM 420
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42
43 A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
SD(U) - Adj ties 43.82
Approximate U-Stat Critical Value (0.05) 1.645
P-Value (Adjusted for Ties) 1
Sample 1 Rank Sum W-Stat 593.5
Standardized WMW U-Stat -3.994
Mean (U) 240
Wilcoxon-Mann-Whitney (WMW) Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
Median of Detects 49.15 97
SD of Detects 95.63 41.89
Maximum Detect 580 180
Mean of Detects 71.96 110.9
Percent Non-detects 0.00% 0.00%
Minimum Detect 25.4 48
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Ba
Sample 2 Data: BkBa
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Wilcoxon-Mann-Whitney Sample 1 vs Sample 2 Comparison Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:08:27 PM 421
422
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42

A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
Gehan z Test Value -4.77
Critical z (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Gehan Test
H0: Mean/Median of Sample 1 <= Mean/Median of background KM Mean 12.65 30.6
KM SD 4.048 10.43
Median of Detects 12.05 30
SD of Detects 4.048 10.43
Maximum Detect 24.4 50
Mean of Detects 12.65 30.6
Percent Non-detects 0.00% 0.00%
Minimum Detect 6.9 9
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Cr
Sample 2 Data: BkCr
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Gehan Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:10:31 PM 423
424
425
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42

A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
TW Statistic -5.922
TW Critical Value (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Tarone-Ware Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
KM Mean 12.65 30.6
KM SD 4.048 10.43
Median of Detects 12.05 30
SD of Detects 4.048 10.43
Maximum Detect 24.4 50
Mean of Detects 12.65 30.6
Percent Non-detects 0.00% 0.00%
Minimum Detect 6.9 9
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detects 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Cr
Sample 2 Data: BkCr
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Tarone-Ware Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:30:44 PM 426
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42
43 A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
SD(U) - Adj ties 43.81
Approximate U-Stat Critical Value (0.05) 1.645
P-Value (Adjusted for Ties) 1
Sample 1 Rank Sum W-Stat 559
Standardized WMW U-Stat -4.782
Mean (U) 240
Wilcoxon-Mann-Whitney (WMW) Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
Median of Detects 12.05 30
SD of Detects 4.048 10.43
Maximum Detect 24.4 50
Mean of Detects 12.65 30.6
Percent Non-detects 0.00% 0.00%
Minimum Detect 6.9 9
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Cr
Sample 2 Data: BkCr
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Wilcoxon-Mann-Whitney Sample 1 vs Sample 2 Comparison Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:31:13 PM 427
428
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42

A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
Gehan z Test Value -4.678
Critical z (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Gehan Test
H0: Mean/Median of Sample 1 <= Mean/Median of background KM Mean 5.781 13.25
KM SD 2.236 4.339
Median of Detects 5.25 14
SD of Detects 2.236 4.339
Maximum Detect 13.9 22
Mean of Detects 5.781 13.25
Percent Non-detects 0.00% 0.00%
Minimum Detect 3 4.6
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Co
Sample 2 Data: BkCo
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Gehan Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:06:50 PM 429
430
431
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
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A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
TW Statistic -5.821
TW Critical Value (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Tarone-Ware Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
KM Mean 5.781 13.25
KM SD 2.236 4.339
Median of Detects 5.25 14
SD of Detects 2.236 4.339
Maximum Detect 13.9 22
Mean of Detects 5.781 13.25
Percent Non-detects 0.00% 0.00%
Minimum Detect 3 4.6
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detects 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Co
Sample 2 Data: BkCo
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Tarone-Ware Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:09:25 PM 432
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43 A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
SD(U) - Adj ties 43.79
Approximate U-Stat Critical Value (0.05) 1.645
P-Value (Adjusted for Ties) 1
Sample 1 Rank Sum W-Stat 563.5
Standardized WMW U-Stat -4.681
Mean (U) 240
Wilcoxon-Mann-Whitney (WMW) Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
Median of Detects 5.25 14
SD of Detects 2.236 4.339
Maximum Detect 13.9 22
Mean of Detects 5.781 13.25
Percent Non-detects 0.00% 0.00%
Minimum Detect 3 4.6
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Co
Sample 2 Data: BkCo
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Wilcoxon-Mann-Whitney Sample 1 vs Sample 2 Comparison Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:10:01 PM 433
434
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A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
Gehan z Test Value -5.226
Critical z (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Gehan Test
H0: Mean/Median of Sample 1 <= Mean/Median of background KM Mean 7.934 36.8
KM SD 5.884 17.38
Median of Detects 6.6 35
SD of Detects 5.884 17.38
Maximum Detect 26.5 80
Mean of Detects 7.934 36.8
Percent Non-detects 0.00% 0.00%
Minimum Detect 2.8 14
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Cu
Sample 2 Data: BkCu
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Gehan Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:31:47 PM 435
436
437
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A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
TW Statistic -7.247
TW Critical Value (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Tarone-Ware Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
KM Mean 7.934 36.8
KM SD 5.884 17.38
Median of Detects 6.6 35
SD of Detects 5.884 17.38
Maximum Detect 26.5 80
Mean of Detects 7.934 36.8
Percent Non-detects 0.00% 0.00%
Minimum Detect 2.8 14
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detects 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Cu
Sample 2 Data: BkCu
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Tarone-Ware Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:32:17 PM 438
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43 A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
SD(U) - Adj ties 43.81
Approximate U-Stat Critical Value (0.05) 1.645
P-Value (Adjusted for Ties) 1
Sample 1 Rank Sum W-Stat 539
Standardized WMW U-Stat -5.239
Mean (U) 240
Wilcoxon-Mann-Whitney (WMW) Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
Median of Detects 6.6 35
SD of Detects 5.884 17.38
Maximum Detect 26.5 80
Mean of Detects 7.934 36.8
Percent Non-detects 0.00% 0.00%
Minimum Detect 2.8 14
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Cu
Sample 2 Data: BkCu
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Wilcoxon-Mann-Whitney Sample 1 vs Sample 2 Comparison Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:32:44 PM 439
440
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A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
Gehan z Test Value -4.542
Critical z (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Gehan Test
H0: Mean/Median of Sample 1 <= Mean/Median of background KM Mean 9.05 21.88
KM SD 3.947 7.442
Median of Detects 7.95 22
SD of Detects 3.947 7.442
Maximum Detect 23.1 33
Mean of Detects 9.05 21.88
Percent Non-detects 0.00% 0.00%
Minimum Detect 5 6.2
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Ni
Sample 2 Data: BkNi
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Gehan Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:33:11 PM 441
442
443
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A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
TW Statistic -5.489
TW Critical Value (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Tarone-Ware Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
KM Mean 9.05 21.88
KM SD 3.947 7.442
Median of Detects 7.95 22
SD of Detects 3.947 7.442
Maximum Detect 23.1 33
Mean of Detects 9.05 21.88
Percent Non-detects 0.00% 0.00%
Minimum Detect 5 6.2
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detects 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Ni
Sample 2 Data: BkNi
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Tarone-Ware Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:33:39 PM 444
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43 A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
SD(U) - Adj ties 43.81
Approximate U-Stat Critical Value (0.05) 1.645
P-Value (Adjusted for Ties) 1
Sample 1 Rank Sum W-Stat 570
Standardized WMW U-Stat -4.531
Mean (U) 240
Wilcoxon-Mann-Whitney (WMW) Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
Median of Detects 7.95 22
SD of Detects 3.947 7.442
Maximum Detect 23.1 33
Mean of Detects 9.05 21.88
Percent Non-detects 0.00% 0.00%
Minimum Detect 5 6.2
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Ni
Sample 2 Data: BkNi
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Wilcoxon-Mann-Whitney Sample 1 vs Sample 2 Comparison Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:34:05 PM 445
446
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A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
Gehan z Test Value -4.678
Critical z (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Gehan Test
H0: Mean/Median of Sample 1 <= Mean/Median of background KM Mean 24.37 51.27
KM SD 5.757 15.96
Median of Detects 23.55 52
SD of Detects 5.757 15.96
Maximum Detect 37.3 75
Mean of Detects 24.37 51.27
Percent Non-detects 0.00% 0.00%
Minimum Detect 16.4 16
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: V
Sample 2 Data: BkV
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Gehan Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:35:54 PM 447
448
449
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A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
TW Statistic -5.467
TW Critical Value (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Tarone-Ware Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
KM Mean 24.37 51.27
KM SD 5.757 15.96
Median of Detects 23.55 52
SD of Detects 5.757 15.96
Maximum Detect 37.3 75
Mean of Detects 24.37 51.27
Percent Non-detects 0.00% 0.00%
Minimum Detect 16.4 16
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detects 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: V
Sample 2 Data: BkV
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Tarone-Ware Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:36:21 PM 450
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43 A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
SD(U) - Adj ties 43.82
Approximate U-Stat Critical Value (0.05) 1.645
P-Value (Adjusted for Ties) 1
Sample 1 Rank Sum W-Stat 563.5
Standardized WMW U-Stat -4.679
Mean (U) 240
Wilcoxon-Mann-Whitney (WMW) Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
Median of Detects 23.55 52
SD of Detects 5.757 15.96
Maximum Detect 37.3 75
Mean of Detects 24.37 51.27
Percent Non-detects 0.00% 0.00%
Minimum Detect 16.4 16
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: V
Sample 2 Data: BkV
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Wilcoxon-Mann-Whitney Sample 1 vs Sample 2 Comparison Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:36:49 PM 451
452
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A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
Gehan z Test Value -3.72
Critical z (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Gehan Test
H0: Mean/Median of Sample 1 <= Mean/Median of background KM Mean 35.6 57.73
KM SD 23.28 22.38
Median of Detects 27.2 54
SD of Detects 23.28 22.38
Maximum Detect 118 99
Mean of Detects 35.6 57.73
Percent Non-detects 0.00% 0.00%
Minimum Detect 16.4 29
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Zn
Sample 2 Data: BkZn
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Gehan Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:37:19 PM 453
454
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A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
TW Statistic -4.559
TW Critical Value (0.05) 1.645
P-Value 1
Sample 1 vs Sample 2 Tarone-Ware Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
KM Mean 35.6 57.73
KM SD 23.28 22.38
Median of Detects 27.2 54
SD of Detects 23.28 22.38
Maximum Detect 118 99
Mean of Detects 35.6 57.73
Percent Non-detects 0.00% 0.00%
Minimum Detect 16.4 29
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detects 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Zn
Sample 2 Data: BkZn
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Tarone-Ware Sample 1 vs Sample 2 Comparison Hypothesis Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:37:46 PM 456
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43 A B C D E F G H I J K L
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Sample 1 <= Sample 2
P-Value >= alpha (0.05)
SD(U) - Adj ties 43.82
Approximate U-Stat Critical Value (0.05) 1.645
P-Value (Adjusted for Ties) 1
Sample 1 Rank Sum W-Stat 605.5
Standardized WMW U-Stat -3.72
Mean (U) 240
Wilcoxon-Mann-Whitney (WMW) Test
H0: Mean/Median of Sample 1 <= Mean/Median of Sample 2
Median of Detects 27.2 54
SD of Detects 23.28 22.38
Maximum Detect 118 99
Mean of Detects 35.6 57.73
Percent Non-detects 0.00% 0.00%
Minimum Detect 16.4 29
Minimum Non-Detect N/A N/A
Maximum Non-Detect N/A N/A
Number of Non-Detects 0 0
Number of Detect Data 32 15
Sample 1 Sample 2
Number of Valid Data 32 15
Sample 1 Data: Zn
Sample 2 Data: BkZn
Raw Statistics
Selected Null Hypothesis Sample 1 Mean/Median <= Sample 2 Mean/Median (Form 1) Alternative Hypothesis Sample 1 Mean/Median > Sample 2 Mean/Median From File Metals.xls
Full Precision OFF
Confidence Coefficient 95%
Wilcoxon-Mann-Whitney Sample 1 vs Sample 2 Comparison Test for Data Sets with Non-Detects User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 3:38:50 PM 457
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458
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47 48
49 50

A B C D E F G H I J K L
Theta hat (MLE) 78.54 Theta star (bias corrected MLE) N/A nu hat (MLE) 10.13 nu star (bias corrected) N/A
Gamma GOF Tests on Detected Observations Only
Not Enough Data to Perform GOF Test
Gamma Statistics on Detected Data Only
k hat (MLE) 1.688 k star (bias corrected MLE) N/A

97.5% KM Chebyshev UCL 86.86 99% KM Chebyshev UCL 125.6 95% KM (z) UCL 38.71 95% KM Bootstrap t UCL N/A
90% KM Chebyshev UCL 52.89 95% KM Chebyshev UCL 67.12
KM SD 48.34 95% KM (BCA) UCL N/A
95% KM (t) UCL 39.24 95% KM (Percentile Bootstrap) UCL N/A Detected Data appear Normal at 5% Significance Level
Kaplan-Meier (KM) Statistics using Normal Critical Values and other Nonparametric UCLs KM Mean 21.49 KM Standard Error of Mean 10.47
Lilliefors Test Statistic 0.343 Lilliefors GOF Test
5% Lilliefors Critical Value 0.425 Detected Data appear Normal at 5% Significance Level Normal GOF Test on Detects Only
Shapiro Wilk Test Statistic 0.843 Shapiro Wilk GOF Test 5% Shapiro Wilk Critical Value 0.767 Detected Data appear Normal at 5% Significance Level Warning: Data set has only 3 Detected Values.

This is not enough to compute meaningful or reliable statistics and estimates.

Skewness Detects 1.629 Kurtosis Detects N/A
Mean of Logged Detects 4.563 SD of Logged Detects 0.972 Mean Detects 132.6 SD Detects 130.3
Median Detects 72.9 CV Detects 0.983
Maximum Detect 282 Maximum Non-Detect 10
Variance Detects 16974 Percent Non-Detects 90.63%
Number of Distinct Detects 3 Number of Distinct Non-Detects 1 Minimum Detect 42.8 Minimum Non-Detect 10
Number of Missing Observations 1
Number of Detects 3 Number of Non-Detects 29
General Statistics
Total Number of Observations 32 Number of Distinct Observations 4 Number of Bootstrap Operations 2000
C13-C22
From File Table 1.xls
Full Precision OFF
Confidence Coefficient 95%
UCL Statistics for Data Sets with Non-Detects
User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 2:09:55 PM 459
51 52
53 54
55 56
57 58
59 60
61 62
63 64
65 66
67 68
69 70
71 72
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99 100

A B C D E F G H I J K L
KM SD (logged) 0.702 95% Critical H Value (KM-Log) 2.109 KM SD (logged) 0.702 95% Critical H Value (KM-Log) 2.109 KM Standard Error of Mean (logged) 0.152 95% H-UCL (KM -Log) 20.63 Statistics using KM estimates on Logged Data and Assuming Lognormal Distribution KM Mean (logged) 2.514 KM Geo Mean 12.36
95% BCA Bootstrap UCL 40.42 95% Bootstrap t UCL 89.61
95% H-UCL (Log ROS) 3968
SD in Original Scale 51.14 SD in Log Scale 3.505
95% t UCL (assumes normality of ROS data) 28.84 95% Percentile Bootstrap UCL 30.6 Detected Data appear Lognormal at 5% Significance Level Lognormal ROS Statistics Using Imputed Non-Detects
Mean in Original Scale 13.52 Mean in Log Scale -1.788
Lilliefors Test Statistic 0.277 Lilliefors GOF Test
5% Lilliefors Critical Value 0.425 Detected Data appear Lognormal at 5% Significance Level Lognormal GOF Test on Detected Observations Only
Shapiro Wilk Test Statistic 0.941 Shapiro Wilk GOF Test 5% Shapiro Wilk Critical Value 0.767 Detected Data appear Lognormal at 5% Significance Level 95% Gamma Approximate KM-UCL (use when n>=50) 47.78 95% Gamma Adjusted KM-UCL (use when n<50) 49.97 Gamma Kaplan-Meier (KM) Statistics
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80% gamma percentile (KM) 28.31 90% gamma percentile (KM) 65 95% gamma percentile (KM) 110.7 99% gamma percentile (KM) 236.7 nu hat (KM) 12.65 nu star (KM) 12.79
theta hat (KM) 108.8 theta star (KM) 107.5
Variance (KM) 2337 SE of Mean (KM) 10.47
k hat (KM) 0.198 k star (KM) 0.2
Estimates of Gamma Parameters using KM Estimates
Mean (KM) 21.49 SD (KM) 48.34
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2.928
95% Gamma Approximate UCL (use when n>=50) 34.58 95% Gamma Adjusted UCL (use when n<50) N/A nu hat (MLE) 8.048 nu star (bias corrected) 8.627
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k hat (MLE) 0.126 k star (bias corrected MLE) 0.135
Theta hat (MLE) 98.91 Theta star (bias corrected MLE) 92.27 Maximum 282 Median 0.01
SD 51.34 CV 4.128
For gamma distributed detected data, BTVs and UCLs may be computed using gamma distribution on KM estimates Minimum 0.01 Mean 12.44
Gamma ROS Statistics using Imputed Non-Detects
GROS may not be used when data set has > 50% NDs with many tied observations at multiple DLs GROS may not be used when kstar of detects is small such as <1.0, especially when the sample size is small (e.g., <15-20) For such situations, GROS method may yield incorrect values of UCLs and BTVs This is especially true when the sample size is small.

Mean (detects) 132.6
460
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A B C D E F G H I J K L
Note: Suggestions regarding the selection of a 95% UCL are provided to help the user to select the most appropriate 95% UCL.

Recommendations are based upon data size, data distribution, and skewness.

These recommendations are based upon the results of the simulation studies summarized in Singh, Maichle, and Lee (2006).

However, simulations results will not cover all Real World data sets; for additional insight the user may want to consult a statistician.

Suggested UCL to Use
95% KM (t) UCL 39.24
DL/2 is not a recommended method, provided for comparisons and historical reasons Nonparametric Distribution Free UCL Statistics
Detected Data appear Normal Distributed at 5% Significance Level SD in Original Scale 50.22 SD in Log Scale 0.909
95% t UCL (Assumes normality) 32.01 95% H-Stat UCL 14.57 DL/2 Statistics
DL/2 Normal DL/2 Log-Transformed
Mean in Original Scale 16.96 Mean in Log Scale 1.886
KM Standard Error of Mean (logged) 0.152
461
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A B C D E F G H I J K L
Theta hat (MLE) 189 Theta star (bias corrected MLE) 415.2 nu hat (MLE) 24.2 nu star (bias corrected) 11.01
Detected data appear Gamma Distributed at 5% Significance Level Gamma Statistics on Detected Data Only
k hat (MLE) 2.42 k star (bias corrected MLE) 1.101
K-S Test Statistic 0.24 Kolmogorov-Smirnov GOF
5% K-S Critical Value 0.36 Detected data appear Gamma Distributed at 5% Significance Level Gamma GOF Tests on Detected Observations Only
A-D Test Statistic 0.267 Anderson-Darling GOF Test
5% A-D Critical Value 0.684 Detected data appear Gamma Distributed at 5% Significance Level

97.5% KM Chebyshev UCL 324.8 99% KM Chebyshev UCL 470.2 95% KM (z) UCL 144.4 95% KM Bootstrap t UCL 148.1
90% KM Chebyshev UCL 197.5 95% KM Chebyshev UCL 250.9
KM SD 198.5 95% KM (BCA) UCL 145.5
95% KM (t) UCL 146.4 95% KM (Percentile Bootstrap) UCL 145.9 Kaplan-Meier (KM) Statistics using Normal Critical Values and other Nonparametric UCLs KM Mean 79.88 KM Standard Error of Mean 39.22
5% Lilliefors Critical Value 0.343 Detected Data appear Normal at 5% Significance Level Detected Data appear Normal at 5% Significance Level
5% Shapiro Wilk Critical Value 0.762 Detected Data appear Normal at 5% Significance Level Lilliefors Test Statistic 0.279 Lilliefors GOF Test
Normal GOF Test on Detects Only
Shapiro Wilk Test Statistic 0.912 Shapiro Wilk GOF Test Skewness Detects 0.778 Kurtosis Detects -1.051
Mean of Logged Detects 5.904 SD of Logged Detects 0.767 Mean Detects 457.2 SD Detects 322.8
Median Detects 307 CV Detects 0.706
Maximum Detect 920 Maximum Non-Detect 10
Variance Detects 104173 Percent Non-Detects 84.38%
Number of Distinct Detects 5 Number of Distinct Non-Detects 1 Minimum Detect 132 Minimum Non-Detect 10
Number of Missing Observations 1
Number of Detects 5 Number of Non-Detects 27
General Statistics
Total Number of Observations 32 Number of Distinct Observations 6 Number of Bootstrap Operations 2000
C23-C40
From File Table 1.xls
Full Precision OFF
Confidence Coefficient 95%
UCL Statistics for Data Sets with Non-Detects
User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 2:10:21 PM 462
51 52
53 54
55 56
57 58
59 60
61 62
63 64
65 66
67 68
69 70
71 72
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A B C D E F G H I J K L
KM SD (logged) 1.336 95% Critical H Value (KM-Log) 2.862 KM SD (logged) 1.336 95% Critical H Value (KM-Log) 2.862 KM Standard Error of Mean (logged) 0.264 95% H-UCL (KM -Log) 85.11 Statistics using KM estimates on Logged Data and Assuming Lognormal Distribution KM Mean (logged) 2.865 KM Geo Mean 17.56
95% BCA Bootstrap UCL 173.8 95% Bootstrap t UCL 250.2
95% H-UCL (Log ROS) 634.6
SD in Original Scale 200.3 SD in Log Scale 2.161
95% t UCL (assumes normality of ROS data) 147.4 95% Percentile Bootstrap UCL 149.4 Detected Data appear Lognormal at 5% Significance Level Lognormal ROS Statistics Using Imputed Non-Detects
Mean in Original Scale 87.39 Mean in Log Scale 2.534
Lilliefors Test Statistic 0.192 Lilliefors GOF Test
5% Lilliefors Critical Value 0.343 Detected Data appear Lognormal at 5% Significance Level Lognormal GOF Test on Detected Observations Only
Shapiro Wilk Test Statistic 0.962 Shapiro Wilk GOF Test 5% Shapiro Wilk Critical Value 0.762 Detected Data appear Lognormal at 5% Significance Level 95% Gamma Approximate KM-UCL (use when n>=50) 194.7 95% Gamma Adjusted KM-UCL (use when n<50) 204.7 Gamma Kaplan-Meier (KM) Statistics
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4.186
80% gamma percentile (KM) 94.57 90% gamma percentile (KM) 239.8 95% gamma percentile (KM) 429.5 99% gamma percentile (KM) 968.4 nu hat (KM) 10.37 nu star (KM) 10.73
theta hat (KM) 493.1 theta star (KM) 476.5
Variance (KM) 39387 SE of Mean (KM) 39.22
k hat (KM) 0.162 k star (KM) 0.168
Estimates of Gamma Parameters using KM Estimates
Mean (KM) 79.88 SD (KM) 198.5
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2.44 95% Gamma Approximate UCL (use when n>=50) 213.5 95% Gamma Adjusted UCL (use when n<50) 227.3 nu hat (MLE) 7.093 nu star (bias corrected) 7.761
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k hat (MLE) 0.111 k star (bias corrected MLE) 0.121
Theta hat (MLE) 644.7 Theta star (bias corrected MLE) 589.2 Maximum 920 Median 0.01
SD 204.7 CV 2.865
For gamma distributed detected data, BTVs and UCLs may be computed using gamma distribution on KM estimates Minimum 0.01 Mean 71.45
Gamma ROS Statistics using Imputed Non-Detects
GROS may not be used when data set has > 50% NDs with many tied observations at multiple DLs GROS may not be used when kstar of detects is small such as <1.0, especially when the sample size is small (e.g., <15-20) For such situations, GROS method may yield incorrect values of UCLs and BTVs This is especially true when the sample size is small.

Mean (detects) 457.2
463
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102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120

A B C D E F G H I J K L
Note: Suggestions regarding the selection of a 95% UCL are provided to help the user to select the most appropriate 95% UCL.

Recommendations are based upon data size, data distribution, and skewness.

These recommendations are based upon the results of the simulation studies summarized in Singh, Maichle, and Lee (2006).

However, simulations results will not cover all Real World data sets; for additional insight the user may want to consult a statistician.

Suggested UCL to Use
95% KM (t) UCL 146.4
DL/2 is not a recommended method, provided for comparisons and historical reasons Nonparametric Distribution Free UCL Statistics
Detected Data appear Normal Distributed at 5% Significance Level SD in Original Scale 203.1 SD in Log Scale 1.608
95% t UCL (Assumes normality) 136.5 95% H-Stat UCL 91.02 DL/2 Statistics
DL/2 Normal DL/2 Log-Transformed
Mean in Original Scale 75.66 Mean in Log Scale 2.281
KM Standard Error of Mean (logged) 0.264
464
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A B C D E F G H I J K L
Assuming Gamma Distribution
95% Approximate Gamma UCL (use when n>=50)) 1.442 95% Adjusted Gamma UCL (use when n<50) 1.448 Adjusted Level of Significance 0.0416 Adjusted Chi Square Value 689.5 MLE Mean (bias corrected) 1.322 MLE Sd (bias corrected) 0.385 Approximate Chi Square Value (0.05) 692.7
Theta hat (MLE) 0.102 Theta star (bias corrected MLE) 0.112 nu hat (MLE) 832.1 nu star (bias corrected) 755.5
Gamma Statistics
k hat (MLE) 13 k star (bias corrected MLE) 11.8
5% K-S Critical Value 0.155 Detected data appear Gamma Distributed at 5% Significance Level Detected data appear Gamma Distributed at 5% Significance Level 5% A-D Critical Value 0.746 Detected data appear Gamma Distributed at 5% Significance Level K-S Test Statistic 0.112 Kolmogorov-Smirnov Gamma GOF Test Gamma GOF Test
A-D Test Statistic 0.43 Anderson-Darling Gamma GOF Test 95% Student's-t UCL 1.436 95% Adjusted-CLT UCL (Chen-1995) 1.446 95% Modified-t UCL (Johnson-1978) 1.438
Data appear Normal at 5% Significance Level
Assuming Normal Distribution
95% Normal UCL 95% UCLs (Adjusted for Skewness)
Lilliefors Test Statistic 0.148 Lilliefors GOF Test
5% Lilliefors Critical Value 0.154 Data appear Normal at 5% Significance Level Normal GOF Test
Shapiro Wilk Test Statistic 0.931 Shapiro Wilk GOF Test 5% Shapiro Wilk Critical Value 0.93 Data appear Normal at 5% Significance Level Coefficient of Variation 0.289 Skewness 1.035
Maximum 2.6 Median 1.3
SD 0.382 Std. Error of Mean 0.0675
Number of Missing Observations 1
Minimum 0.6 Mean 1.322
General Statistics
Total Number of Observations 32 Number of Distinct Observations 12 Number of Bootstrap Operations 2000
Cd
From File Table 1.xls
Full Precision OFF
Confidence Coefficient 95%
UCL Statistics for Data Sets with Non-Detects
User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 2:07:03 PM 465
51 52
53 54
55 56
57 58
59 60
61 62
63 64
65 66
67 68
69 70
71 72
73 74
75 76
77 78
79 80
81 82
83 84
85 A B C D E F G H I J K L
Note: Suggestions regarding the selection of a 95% UCL are provided to help the user to select the most appropriate 95% UCL.

Recommendations are based upon data size, data distribution, and skewness.

These recommendations are based upon the results of the simulation studies summarized in Singh, Maichle, and Lee (2006).

However, simulations results will not cover all Real World data sets; for additional insight the user may want to consult a statistician.

Suggested UCL to Use
95% Student's-t UCL 1.436
90% Chebyshev(Mean, Sd) UCL 1.524 95% Chebyshev(Mean, Sd) UCL 1.616

97.5% Chebyshev(Mean, Sd) UCL 1.743 99% Chebyshev(Mean, Sd) UCL 1.993 95% Hall's Bootstrap UCL 1.471 95% Percentile Bootstrap UCL 1.434 95% BCA Bootstrap UCL 1.444
95% CLT UCL 1.433 95% Jackknife UCL 1.436
95% Standard Bootstrap UCL 1.431 95% Bootstrap-t UCL 1.45 Nonparametric Distribution Free UCL Statistics
Data appear to follow a Discernible Distribution at 5% Significance Level Nonparametric Distribution Free UCLs
95% Chebyshev (MVUE) UCL 1.617 97.5% Chebyshev (MVUE) UCL 1.745 99% Chebyshev (MVUE) UCL 1.995
Assuming Lognormal Distribution
95% H-UCL 1.451 90% Chebyshev (MVUE) UCL 1.525
Maximum of Logged Data 0.956 SD of logged Data 0.285
Lognormal Statistics
Minimum of Logged Data -0.511 Mean of logged Data 0.24
5% Lilliefors Critical Value 0.154 Data appear Lognormal at 5% Significance Level Data appear Lognormal at 5% Significance Level
5% Shapiro Wilk Critical Value 0.93 Data appear Lognormal at 5% Significance Level Lilliefors Test Statistic 0.103 Lilliefors Lognormal GOF Test Lognormal GOF Test
Shapiro Wilk Test Statistic 0.973 Shapiro Wilk Lognormal GOF Test 466
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A B C D E F G H I J K L
Theta hat (MLE) 0.00779 Theta star (bias corrected MLE) 0.00922 nu hat (MLE) 473.9 nu star (bias corrected) 400.4
Detected Data Not Gamma Distributed at 5% Significance Level Gamma Statistics on Detected Data Only
k hat (MLE) 12.47 k star (bias corrected MLE) 10.54
K-S Test Statistic 0.216 Kolmogorov-Smirnov GOF
5% K-S Critical Value 0.198 Detected Data Not Gamma Distributed at 5% Significance Level Gamma GOF Tests on Detected Observations Only
A-D Test Statistic 0.842 Anderson-Darling GOF Test
5% A-D Critical Value 0.741 Detected Data Not Gamma Distributed at 5% Significance Level

97.5% KM Chebyshev UCL 0.118 99% KM Chebyshev UCL 0.153 95% KM (z) UCL 0.0738 95% KM Bootstrap t UCL 0.0738
90% KM Chebyshev UCL 0.0867 95% KM Chebyshev UCL 0.0997 KM SD 0.0526 95% KM (BCA) UCL 0.0728
95% KM (t) UCL 0.0743 95% KM (Percentile Bootstrap) UCL 0.0736 Kaplan-Meier (KM) Statistics using Normal Critical Values and other Nonparametric UCLs KM Mean 0.0581 KM Standard Error of Mean 0.00955
5% Lilliefors Critical Value 0.197 Detected Data Not Normal at 5% Significance Level Detected Data Not Normal at 5% Significance Level
5% Shapiro Wilk Critical Value 0.901 Detected Data Not Normal at 5% Significance Level Lilliefors Test Statistic 0.253 Lilliefors GOF Test
Normal GOF Test on Detects Only
Shapiro Wilk Test Statistic 0.841 Shapiro Wilk GOF Test Skewness Detects 1.541 Kurtosis Detects 2.338
Mean of Logged Detects -2.372 SD of Logged Detects 0.284 Mean Detects 0.0972 SD Detects 0.0308
Median Detects 0.09 CV Detects 0.317
Maximum Detect 0.18 Maximum Non-Detect 0.001
Variance Detects 9.5014E-4 Percent Non-Detects 40.63%
Number of Distinct Detects 17 Number of Distinct Non-Detects 1 Minimum Detect 0.055 Minimum Non-Detect 0.001
Number of Missing Observations 1
Number of Detects 19 Number of Non-Detects 13
General Statistics
Total Number of Observations 32 Number of Distinct Observations 18 Number of Bootstrap Operations 2000
Cr6
From File Table 1.xls
Full Precision OFF
Confidence Coefficient 95%
UCL Statistics for Data Sets with Non-Detects
User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 2:08:04 PM 467
51 52
53 54
55 56
57 58
59 60
61 62
63 64
65 66
67 68
69 70
71 72
73 74
75 76
77 78
79 80
81 82
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85 86
87 88
89 90
91 92
93 94
95 96
97 98
99 100

A B C D E F G H I J K L
KM SD (logged) 2.238 95% Critical H Value (KM-Log) 4.199 KM SD (logged) 2.238 95% Critical H Value (KM-Log) 4.199 KM Standard Error of Mean (logged) 0.406 95% H-UCL (KM -Log) 0.977 Statistics using KM estimates on Logged Data and Assuming Lognormal Distribution KM Mean (logged) -4.215 KM Geo Mean 0.0148
95% BCA Bootstrap UCL 0.0873 95% Bootstrap t UCL 0.089
95% H-UCL (Log ROS) 0.0892
SD in Original Scale 0.0352 SD in Log Scale 0.445
95% t UCL (assumes normality of ROS data) 0.087 95% Percentile Bootstrap UCL 0.0869 Detected Data appear Approximate Lognormal at 5% Significance Level Lognormal ROS Statistics Using Imputed Non-Detects
Mean in Original Scale 0.0764 Mean in Log Scale -2.667
Lilliefors Test Statistic 0.197 Lilliefors GOF Test
5% Lilliefors Critical Value 0.197 Detected Data Not Lognormal at 5% Significance Level Lognormal GOF Test on Detected Observations Only
Shapiro Wilk Test Statistic 0.93 Shapiro Wilk GOF Test
5% Shapiro Wilk Critical Value 0.901 Detected Data appear Lognormal at 5% Significance Level 95% Gamma Approximate KM-UCL (use when n>=50) 0.0782 95% Gamma Adjusted KM-UCL (use when n<50) 0.0795 Gamma Kaplan-Meier (KM) Statistics
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52.72 80% gamma percentile (KM) 0.0925 90% gamma percentile (KM) 0.13 95% gamma percentile (KM) 0.167 99% gamma percentile (KM) 0.252 nu hat (KM) 78.12 nu star (KM) 72.13
theta hat (KM) 0.0476 theta star (KM) 0.0515
Variance (KM) 0.00276 SE of Mean (KM) 0.00955
k hat (KM) 1.221 k star (KM) 1.127
Estimates of Gamma Parameters using KM Estimates
Mean (KM) 0.0581 SD (KM) 0.0526
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95% Gamma Approximate UCL (use when n>=50) 0.0866 95% Gamma Adjusted UCL (use when n<50) 0.0875 nu hat (MLE) 159 nu star (bias corrected) 145.4
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k hat (MLE) 2.484 k star (bias corrected MLE) 2.272
Theta hat (MLE) 0.0284 Theta star (bias corrected MLE) 0.0311 Maximum 0.18 Median 0.0735
SD 0.0413 CV 0.585
For gamma distributed detected data, BTVs and UCLs may be computed using gamma distribution on KM estimates Minimum 0.01 Mean 0.0706
Gamma ROS Statistics using Imputed Non-Detects
GROS may not be used when data set has > 50% NDs with many tied observations at multiple DLs GROS may not be used when kstar of detects is small such as <1.0, especially when the sample size is small (e.g., <15-20) For such situations, GROS method may yield incorrect values of UCLs and BTVs This is especially true when the sample size is small.

Mean (detects) 0.0972
468
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120

A B C D E F G H I J K L
Note: Suggestions regarding the selection of a 95% UCL are provided to help the user to select the most appropriate 95% UCL.

Recommendations are based upon data size, data distribution, and skewness.

These recommendations are based upon the results of the simulation studies summarized in Singh, Maichle, and Lee (2006).

However, simulations results will not cover all Real World data sets; for additional insight the user may want to consult a statistician.

Suggested UCL to Use
KM Student's t 0.0231 KM H-UCL 0.977
DL/2 is not a recommended method, provided for comparisons and historical reasons Nonparametric Distribution Free UCL Statistics
Detected Data appear Approximate Lognormal Distributed at 5% Significance Level SD in Original Scale 0.0536 SD in Log Scale 2.618
95% t UCL (Assumes normality) 0.074 95% H-Stat UCL 3.282 DL/2 Statistics
DL/2 Normal DL/2 Log-Transformed
Mean in Original Scale 0.0579 Mean in Log Scale -4.496
KM Standard Error of Mean (logged) 0.406
469
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A B C D E F G H I J K L
Mean (detects) 0.0843
Theta hat (MLE) 0.0902 Theta star (bias corrected MLE) 0.0997 nu hat (MLE) 44.86 nu star (bias corrected) 40.58
Detected Data Not Gamma Distributed at 5% Significance Level Gamma Statistics on Detected Data Only
k hat (MLE) 0.935 k star (bias corrected MLE) 0.846
K-S Test Statistic 0.311 Kolmogorov-Smirnov GOF
5% K-S Critical Value 0.184 Detected Data Not Gamma Distributed at 5% Significance Level Gamma GOF Tests on Detected Observations Only
A-D Test Statistic 3.466 Anderson-Darling GOF Test
5% A-D Critical Value 0.775 Detected Data Not Gamma Distributed at 5% Significance Level

97.5% KM Chebyshev UCL 0.223 99% KM Chebyshev UCL 0.318 95% KM (z) UCL 0.105 95% KM Bootstrap t UCL 0.318
90% KM Chebyshev UCL 0.14 95% KM Chebyshev UCL 0.175
KM SD 0.151 95% KM (BCA) UCL 0.119
95% KM (t) UCL 0.106 95% KM (Percentile Bootstrap) UCL 0.11 Detected Data Not Normal at 5% Significance Level
Kaplan-Meier (KM) Statistics using Normal Critical Values and other Nonparametric UCLs KM Mean 0.0629 KM Standard Error of Mean 0.0257
Lilliefors Test Statistic 0.381 Lilliefors GOF Test
5% Lilliefors Critical Value 0.177 Detected Data Not Normal at 5% Significance Level Normal GOF Test on Detects Only
Shapiro Wilk Test Statistic 0.338 Shapiro Wilk GOF Test 5% Shapiro Wilk Critical Value 0.916 Detected Data Not Normal at 5% Significance Level Mean of Logged Detects -3.096 SD of Logged Detects 0.84 Median Detects 0.036 CV Detects 2.191
Skewness Detects 4.618 Kurtosis Detects 21.96
Variance Detects 0.0341 Percent Non-Detects 33.33%
Mean Detects 0.0843 SD Detects 0.185
Minimum Detect 0.021 Minimum Non-Detect 0.02
Maximum Detect 0.935 Maximum Non-Detect 0.02
Number of Detects 24 Number of Non-Detects 12
Number of Distinct Detects 21 Number of Distinct Non-Detects 1 General Statistics
Total Number of Observations 36 Number of Distinct Observations 22 Number of Bootstrap Operations 2000
Hg
From File Table 1.xls
Full Precision OFF
Confidence Coefficient 95%
UCL Statistics for Data Sets with Non-Detects
User Selected Options
Date/Time of Computation ProUCL 5.12/14/2022 2:08:50 PM 470
51 52
53 54
55 56
57 58
59 60
61 62
63 64
65 66
67 68
69 70
71 72
73 74
75 76
77 78
79 80
81 82
83 84
85 86
87 88
89 90
91 92
93 94
95 96
97 98
99 100

A B C D E F G H I J K L
KM SD (logged) 0.774 95% Critical H Value (KM-Log) 2.145 KM Standard Error of Mean (logged) 0.132
KM SD (logged) 0.774 95% Critical H Value (KM-Log) 2.145 KM Standard Error of Mean (logged) 0.132 95% H-UCL (KM -Log) 0.0616 Statistics using KM estimates on Logged Data and Assuming Lognormal Distribution KM Mean (logged) -3.368 KM Geo Mean 0.0345
95% BCA Bootstrap UCL 0.139 95% Bootstrap t UCL 0.278
95% H-UCL (Log ROS) 0.0811
SD in Original Scale 0.154 SD in Log Scale 1.186
95% t UCL (assumes normality of ROS data) 0.102 95% Percentile Bootstrap UCL 0.106 Detected Data Not Lognormal at 5% Significance Level
Lognormal ROS Statistics Using Imputed Non-Detects
Mean in Original Scale 0.0587 Mean in Log Scale -3.738
Lilliefors Test Statistic 0.232 Lilliefors GOF Test
5% Lilliefors Critical Value 0.177 Detected Data Not Lognormal at 5% Significance Level Lognormal GOF Test on Detected Observations Only
Shapiro Wilk Test Statistic 0.762 Shapiro Wilk GOF Test 5% Shapiro Wilk Critical Value 0.916 Detected Data Not Lognormal at 5% Significance Level 95% Gamma Approximate KM-UCL (use when n>=50) 0.14 95% Gamma Adjusted KM-UCL (use when n<50) 0.145 Gamma Kaplan-Meier (KM) Statistics
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80% gamma percentile (KM) 0.0775 90% gamma percentile (KM) 0.19 95% gamma percentile (KM) 0.334 99% gamma percentile (KM) 0.738 nu hat (KM) 12.53 nu star (KM) 12.82
theta hat (KM) 0.361 theta star (KM) 0.353
Variance (KM) 0.0227 SE of Mean (KM) 0.0257
k hat (KM) 0.174 k star (KM) 0.178
Estimates of Gamma Parameters using KM Estimates
Mean (KM) 0.0629 SD (KM) 0.151
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35.82 95% Gamma Approximate UCL (use when n>=50) 0.085 95% Gamma Adjusted UCL (use when n<50) 0.0864 nu hat (MLE) 55.23 nu star (bias corrected) 51.96
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k hat (MLE) 0.767 k star (bias corrected MLE) 0.722
Theta hat (MLE) 0.0776 Theta star (bias corrected MLE) 0.0825 Maximum 0.935 Median 0.027
SD 0.154 CV 2.585
For gamma distributed detected data, BTVs and UCLs may be computed using gamma distribution on KM estimates Minimum 0.01 Mean 0.0596
Gamma ROS Statistics using Imputed Non-Detects
GROS may not be used when data set has > 50% NDs with many tied observations at multiple DLs GROS may not be used when kstar of detects is small such as <1.0, especially when the sample size is small (e.g., <15-20) For such situations, GROS method may yield incorrect values of UCLs and BTVs This is especially true when the sample size is small.
471
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119

A B C D E F G H I J K L
Note: Suggestions regarding the selection of a 95% UCL are provided to help the user to select the most appropriate 95% UCL.

Recommendations are based upon data size, data distribution, and skewness.

These recommendations are based upon the results of the simulation studies summarized in Singh, Maichle, and Lee (2006).

However, simulations results will not cover all Real World data sets; for additional insight the user may want to consult a statistician.

Suggested UCL to Use
95% KM (Chebyshev) UCL 0.175
DL/2 is not a recommended method, provided for comparisons and historical reasons Nonparametric Distribution Free UCL Statistics
Data do not follow a Discernible Distribution at 5% Significance Level SD in Original Scale 0.154 SD in Log Scale 0.992
95% t UCL (Assumes normality) 0.103 95% H-Stat UCL 0.0666 DL/2 Statistics
DL/2 Normal DL/2 Log-Transformed
Mean in Original Scale 0.0596 Mean in Log Scale -3.599
472
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473
474
475
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(6/0RGHO5HVXOWV
6RLO9DSRU&RPPHUFLDO
476
477
478
$33(1',;,
985$0
479
VERSION:

Construction Worker Quantitative Risk Assessment Report VURAM
All Report Pages are Required for Risk Assessment Submission Virginia Department of Environmental Quality
Site Name: 1933 Temple Ave Signal Hill CA
Program: Voluntary Remediation Program
F
By submitting this report to the Virginia DEQ, the user confirms that VURAM's default exposure parameters have not been altered, unless a complete unaltered VURAM analysis is provided and all modifications are detailed explicitly in an accompanying narrative or documentation that shows DEQ's prior concurrence with specific changes.

Virginia Unified Risk Assessment Model
Chemical Specific Notes displayed as applicable

3.2 Thursday, February 17, 2022 Page 1 of 6 480
Voluntary Remediation Program
1 1.00E-06 1.00E-04
Risk Based Performance Criteria
Default Hazard Index Default Risk Individual Chemical Default Cumulative Risk-All Chemicals Site Name: 1933 Temple Ave Signal Hill CA
Program:

Construction
Air
µg/m3

85.25% 100.00%
Concentration : 3.20E+01
Mutagen:

RfDo:

RfCi: 4.07E-02
SFO:

IUR: 2.60E-07
Ingestion:

Dermal:

Inhalation: 4.73E-04
Ingestion:

Dermal:

Inhalation: 6.86E-11
Non-Cancer Adult Cancer
Total: 4.73E-04 Total: 6.86E-11
% Contribution to Media Risk
Calculated Hazard/Risk
Analyte: Tetrachloroethylene
CAS: 127-18-4
VOC: Y
µg/m3

0.77% 0.00%
Concentration : 2.30E+01
Mutagen:

RfDo:

RfCi: 5.00E+00
SFO:

IUR:

Ingestion:

Dermal:

Inhalation: 4.27E-06
Ingestion:

Dermal:

Inhalation:

Non-Cancer Adult Cancer
Total: 4.27E-06 Total: 0.00E+00
% Contribution to Media Risk
Calculated Hazard/Risk
Analyte: Toluene
CAS: 108-88-3
VOC: Y
µg/m3

13.98% 0.00%
Concentration : 3.80E+01
Mutagen:

RfDo:

RfCi: 4.00E-01
SFO:

IUR:

Ingestion:

Dermal:

Inhalation: 7.76E-05
Ingestion:

Dermal:

Inhalation:

Non-Cancer Adult Cancer
Total: 7.76E-05 Total: 0.00E+00
% Contribution to Media Risk
Calculated Hazard/Risk
Analyte: Xylenes
CAS: 1330-20-7
VOC: Y
Thursday, February 17, 2022 Page 2 of 6 481
Voluntary Remediation Program
1 1.00E-06 1.00E-04
Risk Based Performance Criteria
Default Hazard Index Default Risk Individual Chemical Default Cumulative Risk-All Chemicals Site Name: 1933 Temple Ave Signal Hill CA
Program:

Construction
Air
Total Calculated Hazard Index/Risk for
Ingestion: 0.00E+00
Dermal: 0.00E+00
Inhalation: 5.55E-04
Ingestion: 0.00E+00
Dermal: 0.00E+00
Inhalation: 6.86E-11
Non-Cancer Adult Cancer
Total: 5.55E-04 Total: 6.86E-11
Air
Thursday, February 17, 2022 Page 3 of 6 482
Voluntary Remediation Program
1 1.00E-06 1.00E-04
Risk Based Performance Criteria
Default Hazard Index Default Risk Individual Chemical Default Cumulative Risk-All Chemicals Site Name: 1933 Temple Ave Signal Hill CA
Program:

Construction
Ingestion: 0.00E+00
Dermal: 0.00E+00
Inhalation: 5.55E-04
Ingestion: 0.00E+00
Total Hazard Index/Risk for All Media
Dermal: 0.00E+00
Inhalation: 6.86E-11
Non-Cancer Adult Cancer
Total: 5.55E-04 Total: 6.86E-11
does not exceed hazard index does not exceed cumulative risk Construction Exposure Default Values
Symbol Description Value Units
A Construction Worker Soil Inhalation Dispersion Constant - Philadelphia 14.0111(unitless) AFcw Construction Worker Soil Adherence Factor 0.3(mg/cm2) As Areal extent of the site or contamination 0.5(acres) ATcw Construction Worker Averaging Time: 365 x LT 25550(days) ATcw Construction Worker Averaging Time 365(days/yr)
ATcw-a Construction Worker Averaging Time: EWcw x 7 x EDcw 350(days) B Construction Worker Soil Inhalation Dispersion Constant - Philadelphia 19.6154(unitless) BWcw Construction Worker Body Weight 80(kg)
C Construction Worker Soil Inhalation Dispersion Constant - Philadelphia 225.3397(unitless) DWcw Construction Worker Days Worked 5(days/week)
Report Summary
Hazard/risk values of zero (0.00+00) are reflective of non-calculated values. Hazard/risk for zero value analytes must be evaluated outside of quantitative risk assessment.

Air
Analyte CAS Hazard Risk
Hazard/Risk Summary for
Tetrachloroethylene 127-18-4 4.73E-04 6.86E-11
Toluene 108-88-3 4.27E-06 0.00E+00
Xylenes 1330-20-7 7.76E-05 0.00E+00
Thursday, February 17, 2022 Page 4 of 6 483
Voluntary Remediation Program
1 1.00E-06 1.00E-04
Risk Based Performance Criteria
Default Hazard Index Default Risk Individual Chemical Default Cumulative Risk-All Chemicals Site Name: 1933 Temple Ave Signal Hill CA
Program:

Construction
EDcw Construction Worker Exposure Duration 1(yrs)
EFcw Construction Worker Exposure Frequency 250(days/yrs) EFcw-a Construction Worker Air Exposure Frequency 250(days/yr) EFcw-s Construction Worker Soil Exposure Frequency 250(days/yr) EFcw-vrp Construction Worker Soil Exposure Frequency - VRP ONLY - Virginia DEQ 125(days/yr) ETcw Construction Worker Exposure Time 8(hrs/day)
ETcw-s Construction Worker Soil Exposure Time 8(hrs/day) EWcw Construction Worker Weeks Worked 50(weeks/yr)
F(x) Function Dependent on 0.886 × (Ut/Um) 0.194(unitless) Fd Dispersion Correction Factor 0.185(unitless)
IRcw Construction Worker Soil Ingestion Rate 330(mg/day) n d}öo ê}]o â}å}ê]ö«WÌr~ålåê 0.433962264150943(unitless) PEFsc Particulate Emission Factor Subchronic - Virginia DEQ calculated 1266503136.97919(m3/kg) Inverse of the ratio of the 1-h geometric mean concentration to the emission flux 87.3689772162309 along a straight road segment bisecting a square site - Virginia DEQ calculated Q/C (g/m2-s per
kg/m)
SAcw Construction Worker Surface Area 3527(cm2/day)
Total time over which construction occurs: 30240000
EDcw*EWcw*7days/wk*24hrs/day*3600s/hr
Tc (s)
TR-ACH Trench Air Changes per Hour - Virginia DEQ 2(h)-1 TR-ACvad Trench Advection Coefficient Groundwater greater than 15ft - Virginia DEQ 0.25(cm3/cm3) TR-CF1 Trench Conversion Factor-1 0.001(L/cm3)
TR-CF2 Trench Conversion Factor-2 10000(cm2/m2)
TR-CF3 Trench Conversion Factor-3 3600(s/hr)
TR-CF4 Trench Conversion Factor-4 1000000(cm3/m3)
TR-D-dir Trench Depth - groundwater less Than 15ft - Virginia DEQ 2.44(m) TR-D-ind Trench Depth - groundwater greater than 15ft - Virginia DEQ 4.57(m) TR-Dsg Trench - Depth to soil gas vapor source - Virginia DEQ 1(cm) TR-EFcw Trench Construction Worker Exposure Frequency - Virginia DEQ 125(days/yr) Thursday, February 17, 2022 Page 5 of 6 484
Voluntary Remediation Program
1 1.00E-06 1.00E-04
Risk Based Performance Criteria
Default Hazard Index Default Risk Individual Chemical Default Cumulative Risk-All Chemicals Site Name: 1933 Temple Ave Signal Hill CA
Program:

Construction
TR-ETcw Trench Construction Worker Exposure Time - Virginia DEQ 4(hrs/day) TR-EVcw Trench Construction Worker Events - Virginia DEQ 1(events/day) TR-F Trench Fraction of floor through which contaminant can enter - Virginia DEQ 1(unitless) TR-HV Trench Thickness of Vadose Zone - groundwater greater than 15 ft - Virginia DEQ 30(cm) TR-IRcw Trench Construction Worker Groundwater Ingestion Rate - Virginia DEQ 0.02(L/day) Trench Gas-phase mass transfer coefficient of water vapor at 25deg C - Virginia 0.833 DEQ
TR-KGH2O (cm/s)
TR-KLO2 Trench Liquid-phase mass transfer coefficient of oxygen at 25deg C - Virginia DEQ 0.002(cm/s) TR-L Trench Length - Virginia DEQ 2.44(m)
TR-Lgw Trench Depth to groundwater - Virginia DEQ 488(cm) TR-MWH2O Trench Molecular Weight of Water - Virginia DEQ 18(unitless) TR-MWO2 Trench Molecular Weight of Oxygen - Virginia DEQ 32(unitless) TR-Porvad Trench Porosity in Vadose Zone - groundwater greater than 15ft - Virginia DEQ 0.44(cm3/cm3) TR-R Trench Ideal Gas Constant - Virginia DEQ 0.000082(atm-m3/mol-K) TR-Temp-F Trench Temperature Fahrenheit - Virginia DEQ 77(F) TR-Temp-K Trench Temperature - Virginia DEQ 298(K)
TR-W Trench Width - Virginia DEQ 0.91(m)
TR-W/D Trench Width to Depth Ratio - Virginia DEQ 0.38(unitless) Um Mean Annual Wind Speed 4.69(m/s)
Ut Equivalent Threshold Value of Wind Speed at 7m 11.32(m/s) V V Fraction of Vegetative Cover 0.5(unitless)
: ]å (]oo
ê}]o â}å}ê]ö«W vr:£ 0.133962264150943(unitless)
:£ Water filled soil porosity 0.3(unitless)
å Dry soil bulk density 1.5(kg/L)
åê Soil particle density 2.65(kg/L)

END OF REPORT
Thursday, February 17, 2022 Page 6 of 6 485

CALIFORNIA ENVIRONMENTAL PROTECTION AGENCY

OFFICE OF ENVIRONMENTAL HEALTH HAZARD ASSESSMENT
Gavin Newsom, Governor
Jared Blumenfeld, Secretary for Environmental Protection Lauren Zeise, Ph.D., Director
Science for a Healthy California | oehha.ca.gov
Headquarters: 1001 I St., Sacramento, California 95814 | Mailing address: P.O. Box 4010, Sacramento, California 95812-4010 | (916) 324-7572 Oakland office and mailing address: 1515 Clay St., Suite 1600, Oakland, California 94612 | (510) 622-3200

MEMORANDUM
TO: Elise McCaleb
Redevelopment and Economic Development Manager
City of Signal Hill
2175 Cherry Avenue, Signal Hill, CA 90755
FROM: Jim Carlisle, D.V.M.

Staff Toxicologist
Air and Site Assessment and Climate Indicators Branch
Office of Environmental Health Hazard Assessment (OEHHA) DATE: March 21, 2022
SUBJECT: HUMAN HEALTH RISK ASSESSMENT – 1933 TEMPLE AVENUE,

SIGNAL HILL, CALIFORNIA
OEHHA # 830170-00
Document reviewed
• Human Health Risk Assessment, 1933 Temple Avenue, Signal Hill, California by Mearns Consulting LLC, dated February 16, 2022.

Scope of the Review
• Per your request, OEHHA reviewed the above-named human health risk assessment. We did not review the mitigation measures .

Site Description and Background
• The 0.55-acre site has been and oil field since at least 1928. Historically the site had oil derricks, sumps, and pipelines.
• Various auto repair, boat servicing, cabinet shops, and small businesses occupied the site from the 1940s through the 1950s.
• The site is bounded to north, south, and west by apartments and condominiums. • The proposed development is eight single-family residences.

Site Characterization
• An accurate risk assessment depends on adequate site characterization. Since OEHHA was not involved in site characterization, the following comments assume that the data in the reviewed reports are accurate and representative of contamination at the site.

Attachment H
486
Elise McCaleb
March 21, 2022

Page 2 ends

Conceptual Site Model
Mearns evaluated the following potential exposure pathways:
• Vapor intrusion (VI) for residents and indoor workers • Direct contact with soil (ingestion and dermal) and inhalation of fugitive dust in outdoor air for future commercial and construction workers as well as future residents.
• Inhalation of vapors from soil gas in trenches for future construction workers • Groundwater is not considered an exposure medium since drinking water is provided by a remote municipal water supply.

Chemicals of Potential Concern (COPCs)
• COPCs in soil vapor include the following detected volatile organic carbons (VOCs): tetrachloroethylene, toluene, and total xylenes. • COPCs in soil include total petroleum hydrocarbons (TPH), metals, and VOCs.

Background metals were appropriately excluded.

Human Health Risk Assessment – Soil Vapors
Mearns assessed VI risk using the San Francisco Bay Regional Water Quality Control Board Environmental Screening Level (ESL, 2019) calculator with maximum detected VOC concentrations. Results are summarized in Table 1.

Table I. Mearns’ Vapor Intrusion Risk and Hazard Estimates Risk HI
Residential 2.1E-6 0.04
Commercial 4.8E-7 0.008
• OEHHA (2009) recommends including the age-specific factor (ASF) for residential VI assessments (not included in the ESL calculator). ASFs would increase the residential risk estimates by a factor of 2.8.
• OEHHA agrees with the commercial VI risk and hazard estimates.

Mearns assessed outdoor inhalation risk from soil vapor using the VURAM (2022) model. Results are summarized in Table 2.

Table 2. Mearns’ Soil Vapor Construction Risk and Hazard Estimates Risk HI
Construction 6.9E-11 0.0006
• OEHHA agrees with these risk and hazard estimates.
487
Elise McCaleb
March 21, 2022

Page 3 ends

Human Health Risk Assessment – Soil
Mearns assessed risks and hazards to residents, outdoor workers, and construction workers using standard DTSC (2019a, 2019b) equations and toxicity values along with maximum detected soil concentrations. Results are summarized in Table 3.

Table 3. Mearns’ Risk and Hazard Estimates for Soil
Risk HI
Residential 2.4E-6 0.75
Commercial 2.1E-6 0.20
Construction 1.4E-4 132
• OEHHA recommends including the ASF for residential soil assessments. ASFs would increase the residential risk estimates by a factor of 4. • OEHHA agrees with the commercial VI risk and hazard estimates.

Mearns combined the separate pathway risk and hazard estimates to residents, outdoor workers, and construction workers as shown in Table 4.

Table 4. Mearns’ combined Risk and Hazard Estimates
Residential
Scenario
Commercial
Scenario
Construction
Scenario
Risk Hazard Risk Hazard Risk Hazard
Total 4.5E-6 0.78 2.6E-6 0.21 1.4E-4 132
• Mearns combined indoor air and outdoor soil exposure pathway risks and hazards for the commercial workers. It is unlikely that indoor workers would be subject to the full soil exposure experienced by outdoor workers and vice versa.

Summary and Conclusions
• Risks and hazards were calculated for the residential, commercial, and construction scenarios.
• The above estimates are conservative in most respects because:
o Estimates are based on maximum detected concentrations. Many of the chemicals were detected in only a few of the samples.
o For vapor intrusion the EPA screening AF was used.
o However, the recommended ASF was not incorporated into residential risk estimates. These factors, if incorporated, would increase residential risks from soil vapor by a factor of 2.8 and from soil by a factor of 4. 488
Elise McCaleb
March 21, 2022

Page 4 ends

Memo reviewed by:

Hristo Hristov, MD, Ph.D., MEnvSc
Staff Toxicologist
Carmen Milanes, MPH
Section Chief
References
DTSC, 2019a. Human Health Risk Assessment Note 3 – DTSC-modified Screening Levels, Department of Toxic Substances Control, California Environmental Protection Agency, April 2019.

DTSC, 2019b. Human Health Risk Assessment Note 10 – Toxicity Criteria, Department of Toxic Substances Control, California Environmental Protection Agency, February 2019.

OEHHA, 2009. Technical Support Document for Cancer Potency Factors: Methodologies for derivation, listing of available values, and adjustments to allow for early life stage exposures. May 2009.

Virginia Department of Environmental Quality, Virginia Unified Risk Assessment Module (VURAM) version 3.2, Janua4ry 2022
SFBRWQCB (San Francisco Bay Regional Water Quality Control Board) 2019.

Environmental Screening Levels. Rev 2.
489
9/19/2024
The Courtyard
1933 Temple Avenue
Green Features Summary
The proposed homes will include green and energy efficient features such as:
• Solar photovoltaic system
• Homes will be electric ready with 240 Volts outlets, so electric appliances can eventually replace installed gas appliances, including cooking and clothes dryers.
• Electric panel and transfer switch for battery storage • Increase kitchen ventilation to better exhaust pollution from gas cooking and improve indoor air quality
• Use of heat pumps for water or space heating
• High-R value insulation,
• Low VOC coatings,
• High efficiency light fixtures.

LID - The rainwater will be collected in area drains and directed through the site to underground Cudo chambers to infiltrate at the regulated ratio. Part of the stormwater will infiltrate through pervious concrete pavers located in the patios and driveway areas.

MWELO – Landscape plan specifies drought tolerant plants and grasses in compliance with ordinance.

EV Charger - Each home will be prepared for installation and use of Electric Vehicle charger. The raceway for future 208/240-volt branch circuit, will be installed from main panel to listed box located in the garage.

Photovoltaic System - Each home will have photovoltaic system. According to California Energy Commission Single Family Homes built with 2022 standards will use about 7% less energy than homes built under 2019 standards, and 60% less energy than homes built under 2016 standards.

Attachment I
490
Resolution No. XXX-10-15
October 15, 2024

Page 1 of 4 ends

RESOLUTION NO. XXX-10-15

A RESOLUTION OF THE PLANNING COMMISSION OF

THE CITY OF SIGNAL HILL, CALIFORNIA,

RECOMMENDING CITY COUNCIL ADOPTION OF INITIAL

STUDY/MITIGATED NEGATIVE DECLARATION (SCH
2024100062), RELATIVE TO ZONING ORDINANCE
AMENDMENT 24-01, TENTATIVE TRACT MAP 74232, AND
SITE PLAN AND DESIGN REVIEW 24-01, FOR THE
COURTYARD SPECIFIC PLAN (SP-21)
WHEREAS, on September 22, 2022, the applicant, Guy Alexander as agent for Signal Ventures, LLC, formally filed an application to demolish three existing garage/storage structures at 1933 through 1939 Temple Avenue, and construct eight detached single-family dwellings with related site improvements on an approximate 0.59- acre site; and
WHEREAS, the City of Signal Hill, California, has prepared an Initial Study/ Mitigated Negative Declaration for Zoning Ordinance Amendment 24-01, Tentative Tract Map 74232, and Site Plan and Design Review 24-01, to designate the area as The Courtyard Specific Plan (SP-21); and
WHEREAS, pursuant to Guidelines for the Implementation of the California Environmental Quality Act, an Initial Study relative to the proposed project reveals that no substantial evidence exists that the demolition of three existing garage/storage structures and the construction of eight single-family dwellings and ancillary facilities at the site will have a significant effect on the environment; and
WHEREAS, Mitigated Negative Declaration (SCH 2024100062) was prepared and finds that the project would have a less than significant environmental impact with the implementation of mitigation measures. Mitigation measures have been included to address Biological Resources, Cultural Resources, Hazards and Hazardous Materials, Tribal Cultural Resources, and Geology and Soils; and 491
Resolution No. XXX-10-15
October 15, 2024

Page 2 of 4 ends

WHEREAS, on October 4, 2024, a Notice of Intent to adopt the Initial Study and proposed Initial Study/Mitigated Negative Declaration (SCH 2024100062) was submitted to the State Clearing House, was published in the Signal Tribune newspaper, and was posted in accordance with Signal Hill Municipal Code Section 1.08.010; and WHEREAS, on October 4, 2024, the documents related to Initial Study/Mitigated Negative Declaration (SCH 2024100062) were made available for public review and comments; and
WHEREAS, on October 4, 2024, a notice of Planning Commission public hearing regarding the associated Site Plan and Design Review, Tentative Map, and Zoning Ordinance Amendment was published in the Signal Tribune newspaper, mailed to property owners and residents within 500 feet, and was posted in accordance with Signal Hill Municipal Code Section 1.08.010; and
WHEREAS, on October 15, 2024, the Planning Commission held a public hearing and all persons were given an opportunity to comment on the project and associated documents; and
WHEREAS, the City has incorporated all comments received and responses thereto.

NOW, THEREFORE, BE IT RESOLVED, that the Planning Commission of the City of Signal Hill, California, hereby finds as follows:

1. The Initial Study/Mitigated Negative Declaration prepared for The Courtyard Specific Plan development identified no potentially significant effects on the environment with the implementation of mitigation measures related to hydrocarbons, volatile organic compounds, and mercury as discussed in the Phase I and Phase II Environmental Assessment, Human-Health Risk Assessment, and sub-surface testing report.

2. The associated Zoning Ordinance Amendment is consistent with the Signal Hill General Plan and the Zoning Ordinance.
492
Resolution No. XXX-10-15
October 15, 2024

Page 3 of 4 ends

NOW, THEREFORE, BE IT FURTHER RESOLVED, that the Planning Commission of the City of Signal Hill, California, does hereby recommend City Council adoption of Initial Study/Mitigated Negative Declaration (SCH 2024100062) attached hereto as Exhibit A.

PASSED, APPROVED AND ADOPTED at a regular meeting of the Planning Commission of the City of Signal Hill, California, on this 15th day of October, 2024.
________________________________

SONIA SAVOULIAN
CHAIR
ATTEST:
___________________________
COLLEEN T. DOAN

COMMISSION SECRETARY
493
Resolution No. XXX-10-15
October 15, 2024

Page 4 of 4 ends

STATE OF CALIFORNIA )
COUNTY OF LOS ANGELES ) ss.

CITY OF SIGNAL HILL )
I, COLLEEN T. DOAN, Secretary for the Planning Commission of the City of Signal Hill, California, do hereby certify that Resolution No. XXX-10-15 was adopted by the Planning Commission of the City of Signal Hill, California, at a regular meeting held on the 15th day of October, 2024, by the following vote:

AYES:

NOES:

ABSENT:

ABSTAIN:

COLLEEN T. DOAN

COMMISSION SECRETARY
494

CALIFORNIA ENVIRONMENTAL PROTECTION AGENCY

MEMORANDUM
TO: Elise McCaleb
Redevelopment and Economic Development Manager
City of Signal Hill
2175 Cherry Avenue, Signal Hill, CA 90755
FROM: Jim Carlisle, D.V.M.

SIGNAL HILL, CALIFORNIA
OEHHA # 830170-00
Document reviewed
• Human Health Risk Assessment, 1933 Temple Avenue, Signal Hill, California by Mearns Consulting LLC, dated February 16, 2022.

Scope of the Review
• Per your request, OEHHA reviewed the above-named human health risk assessment. We did not review the mitigation measures .

Attachment H
Elise McCaleb
March 21, 2022

Page 2 ends

Background metals were appropriately excluded.

Mearns assessed outdoor inhalation risk from soil vapor using the VURAM (2022) model. Results are summarized in Table 2.

Table 2. Mearns’ Soil Vapor Construction Risk and Hazard Estimates Risk HI
Construction 6.9E-11 0.0006
• OEHHA agrees with these risk and hazard estimates.

Elise McCaleb
March 21, 2022

Page 3 ends

Mearns combined the separate pathway risk and hazard estimates to residents, outdoor workers, and construction workers as shown in Table 4.

Elise McCaleb
March 21, 2022

Page 4 ends

Memo reviewed by:

DTSC, 2019b. Human Health Risk Assessment Note 10 – Toxicity Criteria, Department of Toxic Substances Control, California Environmental Protection Agency, February 2019.

OEHHA, 2009. Technical Support Document for Cancer Potency Factors: Methodologies for derivation, listing of available values, and adjustments to allow for early life stage exposures. May 2009.

Virginia Department of Environmental Quality, Virginia Unified Risk Assessment Module (VURAM) version 3.2, Janua4ry 2022
SFBRWQCB (San Francisco Bay Regional Water Quality Control Board) 2019.

Environmental Screening Levels. Rev 2.
9/19/2024
The Courtyard
1933 Temple Avenue
Green Features Summary
The proposed homes will include green and energy efficient features such as:
• Solar photovoltaic system
• Homes will be electric ready with 240 Volts outlets, so electric appliances can eventually replace installed gas appliances, including cooking and clothes dryers.
• Electric panel and transfer switch for battery storage • Increase kitchen ventilation to better exhaust pollution from gas cooking and improve indoor air quality
• Use of heat pumps for water or space heating
• High-R value insulation,
• Low VOC coatings,
• High efficiency light fixtures.

MWELO – Landscape plan specifies drought tolerant plants and grasses in compliance with ordinance.

Attachment I
Resolution No. XXX-10-15
October 15, 2024

Page 1 of 4 ends

RESOLUTION NO. XXX-10-15

A RESOLUTION OF THE PLANNING COMMISSION OF

THE CITY OF SIGNAL HILL, CALIFORNIA,

RECOMMENDING CITY COUNCIL ADOPTION OF INITIAL

Page 2 of 4 ends

NOW, THEREFORE, BE IT RESOLVED, that the Planning Commission of the City of Signal Hill, California, hereby finds as follows:

2. The associated Zoning Ordinance Amendment is consistent with the Signal Hill General Plan and the Zoning Ordinance.

Resolution No. XXX-10-15
October 15, 2024

Page 3 of 4 ends

PASSED, APPROVED AND ADOPTED at a regular meeting of the Planning Commission of the City of Signal Hill, California, on this 15th day of October, 2024.
________________________________

SONIA SAVOULIAN
CHAIR
ATTEST:
___________________________
COLLEEN T. DOAN

COMMISSION SECRETARY
Resolution No. XXX-10-15
October 15, 2024

Page 4 of 4 ends

STATE OF CALIFORNIA )
COUNTY OF LOS ANGELES ) ss.

AYES:

NOES:

ABSENT:

ABSTAIN:

COLLEEN T. DOAN

COMMISSION SECRETARY
Resolution No. XXX-10-15
October 15, 2024

Page 1 of 11 ends

RESOLUTION NO. XXX-10-15

A RESOLUTION OF THE PLANNING COMMISSION OF

THE CITY OF SIGNAL HILL, CALIFORNIA,

RECOMMENDING CITY COUNCIL APPROVAL OF
ZONING ORDINANCE AMENDMENT 24-01, AMENDING

THE OFFICIAL ZONING MAP TO CHANGE AN
APPROXIMATE 0.59-ACRE SITE AT 1933 THROUGH
1939 TEMPLE AVENUE FROM RESIDENTIAL HIGH

DENSITY (RH) TO THE COURTYARD SPECIFIC PLAN
(SP-21) AND ADDING CHAPTER 20.28, THE
COURTYARD SPECIFIC PLAN (SP-21) TO THE SIGNAL

HILL MUNICIPAL CODE ESTABLISHING DEVELOPMENT

STANDARDS FOR THE SITE
WHEREAS, on September 22, 2022, the applicant, Guy Alexander as agent for Signal Ventures, LLC, formally filed an application to demolish three existing garage/storage structures at 1933 through 1939 Temple Avenue, and construct eight detached single-family dwellings with related site improvements on an approximate

0.59-acre site; and
WHEREAS, the site is legally described as Lots 11, 12, and 13 of the Price and Peterson Tract, in the City of Signal Hill, County of Los Angeles, State of California, as per map recorded in Book 12, Page 85 of Maps, in the office of the County Recorder of said county. All that portion of Farm Lot 22 of the Alamitos Tract, in the City of Signal Hill, County of Los Angeles, State of California, as shown on map recorded in Book 36, Page 37, et seq., of miscellaneous records, in the office of the County Recorder of said County, lying east of a line parallel with and 265.88 feet west of the center line of Temple Avenue and lying north of a line parallel with and 219.56 feet north of the center line of 19th Street, as established on January 20, 1948, and lying southwest of the southwest line of Price and Peterson Tract, as shown on Map recorded in Book 12, Page 85 of maps, records of said County; and Resolution No. XXX-10-15
October 15, 2024

Page 2 of 11 ends

WHEREAS, pursuant to Signal Hill Municipal Code, Chapter 20.86, entitled “Amendments,” the subject is properly a matter for Planning Commission review and recommendation for City Council adoption; and
WHEREAS, the rezoning of the site from Residential High Density (RH) to The Courtyard Specific Plan (SP-21) is consistent with the 1.3, High Density Residential designation on the Generalized Land Use Map; and
WHEREAS, the Specific Plan would allow for a minimum lot size of 2,038.67 square feet per unit for lot 7 (2,100 square feet minimum in the RH zone), a 13’-7” setback from Temple Avenue for Unit 1 (20’ minimum in the RH zone), a maximum 22 inch projection into the rear yard setback for Units 4 and 5 (30 inch projection in the RH zone), an 18 inch open trellis projection into the Temple Avenue setback for Unit 1 (open trellis not permitted in front yard setback in the RH zone), a maximum 30 percent hardscape material within Temple Avenue setback for Lot 8 (25 percent maximum in the RH zone), a minimum two-car garage plus one assigned surface parking space per dwelling unit (four parking spaces for a four-bedroom unit in the RH zone), a minimum 9’ x 20’ surface parking space (10’ x 20’ minimum in the RH zone), and allow a maximum fence and wall height of 5’-6” in the front yard and 6’-6” in the side and rear yard setbacks (four foot and six foot maximum in the RH zone, respectively) consistent with the site plan for Site Plan and Design Review 24-01; and WHEREAS, on March 21, 2024, a duly noticed neighborhood meeting was held in the City Council Chamber of City Hall. Two individuals from the neighboring northern property were in attendance. During the meeting, staff provided an overview of the planning process, the applicant presented preliminary plans, and the community members offered feedback. The primary concerns raised from Units 101 and 102 Temple View condominiums included 1) The close distance of the proposed Dwelling Unit. 1 second-story roofs from the neighboring northern property’s patios, and 2) The height of the proposed Dwelling Unit 1 second story and roof blocking the view of Temple Avenue from both property’s patios; and
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WHEREAS, It was determined that the view impacts for Units 101 and 102 of the Temple View condominiums are neither primary nor secondary and therefore are unprotected views of non-eligible street and sky vistas. Since these views are neither the only views nor of a unique landmark, the report concluded that there is no significant impact; and
WHEREAS, the applicant voluntarily modified the project design particularly for Dwelling Unit 1 located on the northeast portion of the project site in an effort to further reduce project impacts by preserving the non-eligible street and sky views for Units 101 and 102 of the Temple View condominiums; and WHEREAS, after conducting outreach to those with concerns, no further issues were raised; and
WHEREAS, on October 4, 2024, notice of a Planning Commission public hearing regarding the proposed project was mailed to all property owners and residents within 500 feet of the subject property, was published in the Signal Tribune newspaper, and was posted in accordance with Signal Hill Municipal Code Section 1.08.010; and WHEREAS, the Planning Commission has recommended City Council adoption of Initial Study/Mitigated Negative Declaration (SCH #2024100062) relative to Zoning Ordinance Amendment 24-01, Tentative Tract Map 74232, and Site Plan and Design Review 24-01 in satisfaction of requirements of the California Environmental Quality Act; and
WHEREAS, on October 15, 2024, a public hearing was held before the Planning Commission, and all interested parties were given an opportunity to be heard regarding the request; and
WHEREAS, the City has incorporated all comments received and responses thereto.

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NOW, THEREFORE, BE IT RESOLVED, that the Planning Commission of the City of Signal Hill, California, does hereby find as follows:

1. That Zoning Ordinance Amendment 24-01 is consistent with applicable State law.

2. That the Planning Commission has reviewed Zoning Ordinance Amendment 24-01 and found the proposed amendment to be in the best interest of the community and its health, safety and general welfare in that it is consistent with the following Goals and Policies of the Signal Hill General Plan:

LAND USE ELEMENT GOAL 1 – Manage growth to achieve a wellbalanced land use pattern that accommodates existing and future needs for housing, commercial, and industrial land, open space, and community facilities and services, while maintaining a healthy, diversified economy adequate to provide future City revenues.

Land Use Policy 1.2 – Provide opportunities for a variety of residential densities and housing styles.

Finding regarding Land Use Policy 1.2 – The proposed
residential development provides eight above moderate
(income level) single-family residential dwellings.

Development of the project will assist the City in meeting its Regional Housing Needs Assessment (RHNA) goal for
2021-2029.

Land Use Policy 1.3 – Support the maintenance of residential areas and encourage in-fill of vacant lots close to transportation, municipal facilities, and shopping opportunities.

Finding regarding Land Use Policy 1.3 – The proposed
project is an infill parcel with three existing storage structures onsite. The project is located on the west side of Temple Avenue between East 19th and East 20th Streets and is
surrounded by condominium complexes on the north, west, and south and single-family on the east. The project site is less than one mile to commercial uses and public
transportation systems on Pacific Coast Highway.

LAND USE ELEMENT GOAL 2 – Ensure that new development is consistent with the City’s circulation system, availability of public facilities, existing development constraints and the City’s unique characteristic and natural Resolution No. XXX-10-15
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resources.

Land Use Policy 2.6 – Encourage the development of oil field areas through the removal or relocation of wells and pipelines, or with site plan designs that encourage the joint use of land for oil production and other urban uses while maintaining essential access to petroleum resources.

Finding regarding Land Use Policy 2.6 – The site plan and building placement are subject to Commission-level Site Plan and Design Review. Two plugged and abandoned oil
wells are present on the project site. Both wells were
located, excavated, and tested for methane leaking, then surveyed and a vent cone installed. The project has been designed to ensure both abandoned wells are accessible in an emergency capacity and that no habitable structures will be placed on top of or within close proximity to them. Well #79 is located near proposed open parking spaces,
providing a 10-foot unobstructed radius from the nearest structure and more than 10 feet of clearance from the
nearest property lines, allowing for unobstructed access to the wellhead if needed. Similarly, Well #3 is located near proposed open parking spaces, providing a 10-foot radius that is partially unobstructed by a four-foot-tall removable metal picket fence. The fence is designed and installed to be easily removed, ensuring full access to the adjacent
wellhead, when necessary, with more than 10 feet of
clearance from the nearest property lines.

LAND USE ELEMENT GOAL 3 – Assure a safe, healthy, and
aesthetically pleasing community for residents and businesses.

Land Use Policy 3.7 – Maintain and enhance the quality of residential neighborhoods.

Finding regarding Land Use Policy 3.7 – The proposed
project is an infill site that will replace three existing, dilapidated buildings previously used for storage. The
dwelling units feature a modern, simplified Spanish style architecture including concrete tiled roofs, fine textured stucco finish, decorative Bermuda style awnings, metal
window flower shelves, accent iron cross bars, forged steel baluster railings, and Arto Tile Arabesque accent tiles. The development incorporates architectural diversity by providing three exterior elevation designs and two different color schemes. There are four variations of entry porches, four entry door designs, three garage door styles, and several Resolution No. XXX-10-15
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overhang roof style and rooftop configurations, all featuring photovoltaic solar structures.

Land Use Policy 3.18 – Minimize the impacts of stormwater runoff to the maximum extent practicable on the biology, water quality and integrity of natural drainage systems and water bodies.

Finding regarding Land Use Policy 3.18 – The Project Site currently accepts storm water runoff from the adjacent Smart Homes property to the northwest (7216-020-012), which
drains into the municipal storm drain system. As part of this project, the Smart Homes applicant reached out to the
Courtyard applicant to secure an agreement for shared
sewer and stormwater facilities. The stormwater and sewer from the Smart Homes property will be collected via
separate stormwater and sewer lines in compliance with the County of Los Angeles Department of Public Works and
discharged toward Temple Avenue within a six-foot-wide
public service easement. This easement between the two
parties has been approved by the City Engineer and was
recently recorded for the purpose of installing, maintaining, repairing, renewing, and replacing an underground sanitary sewer line, sump pump, and stormwater drain line.

Additionally, the proposed project includes a stormwater drainage and erosion control system designed to manage
stormwater runoff from both sites. The system features a series of inlet drains, catch basins, a trench drain, and permeable pavement that directs water into an underground modular polypropylene “CUDO” storage system. The project will comply with the City’s Low Impact Development (LID) standards which requires that the site must be treated with LID Best Management Practices (BMPs) prior to discharge.

Land Use Policy 3.19 – Maximize to the extent possible the percentage of permeable surfaces to allow more percolation of stormwater runoff into the ground.

Finding regarding Land Use Policy 3.19 – The project
includes landscaped backyards and common areas. The
private driveway, surface parking, and rear yard patios have been designed to use decorative permeable pavers to allow for percolation of stormwater on-site.

CIRCULATION ELEMENT GOAL 1 – Ensure that new development results in the preservation and enhancement of the City’s circulation system.

Circulation Policy 1.f. – Ensure that new development provides adequate Resolution No. XXX-10-15
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parking for anticipated uses; however, reductions in parking requirements should be considered where alternative modes for transportation or shared parking exist.

Finding regarding Circulation Policy 1.f. – Onsite parking for the project complies with the multi-family parking standard even though the residential product type being proposed is single-family. The project provides two parking spaces within an enclosed garage and one designated surface parking
space for each dwelling unit. Additionally, two guest parking spaces are located at the west end of the project site, positioned on each end of the hammerhead.

HOUSING ELEMENT GOAL 1 – Accommodate the housing needs of all income groups as quantified by Regional Housing Needs Assessment.

Housing Element 2021-2029 Program Category #1 Goal – Accommodate the housing needs of all income groups as quantified by Regional Housing Needs Assessment.

Finding regarding Housing Element 2021-2029 Program
Category #1 Goal – Development of eight new single-family detached dwelling units sold at market rate will assist the City in meeting its 188 above moderate-income Regional
Housing Needs Assessment. The project’s development will be reported with the City’s annual progress report which is sent to the State Department of Housing and Community
Development when the building permits are issued.

NOW, THEREFORE, BE IT FURTHER RESOLVED, that the Planning Commission of the City of Signal Hill, California, does hereby recommend City Council approval of Zoning Ordinance Amendment 24-01, amending the Official Zoning Map of the City of Signal Hill as shown on Exhibit A attached hereto and as follows:

Section 1. That Title 20 ZONING of the Signal Hill Municipal Code be amended to add Chapter 20.28, “SP-21 The Courtyard Specific Plan” to read as follows:

Chapter 20.28
SP-21 THE COURTYARD SPECIFIC PLAN
Sections:

20.28.010 Purpose
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20.28.020 Adoption of SP-21, The Courtyard Specific Plan

20.28.030 Use Classifications

20.28.040 Dwelling Unit Density

20.28.050 Development Standards

20.28.060 Building Height

20.28.070 Required Setbacks

20.28.080 Yard Requirements

20.28.090 Landscape Materials and Turf Replacement

20.28.100 Patio Covers

20.28.110 Patio Covers-Open Trellis

20.28.120 Permitted Projections into Required Yards

20.28.130 Floor Area Ratio

20.28.140 Fences, Walls and Hedges

20.28.150 Off-Street Parking

20.28.160 Trash and Recycling Storage Area

20.28.170 Signs

20.28.180 Mechanical Equipment

20.28.190 Utilities, Public Facilities and Services

20.28.010 Purpose.

A. Application of the Specific Plan Concept. A Specific Plan and its function may be described by comparison with the General Plan. The General Plan expresses, in very broad terms, the City’s planning of its future environment, generally on a longterm basis. Adopted by the City as a legislative act, the General Plan may be amended, as required by changing circumstances. The Specific Plan, on the other hand, is a device used to implement the General Plan by focusing on a particular parcel or parcels. The Specific Plan sets standards, against which developments can be judged, and imposes controls on the use of the subject parcels. The Specific Plan replaces the existing zoning designation and is more detailed than a General Plan.

The intent and purpose of this chapter is to establish a Specific Plan to guide the physical development of a particular geographic area within the City. The subject site is constrained due to the size, site configuration (deep and narrow), location of two abandoned oil wells, and potential view impacts to adjacent residential and commercial developments. The site is an infill parcel primarily surrounded by existing high density residential developments to the immediate north, south, and west, and single-family development to the east across Temple Avenue. In an effort to mitigate these constraints and to accommodate the City’s diverse housing needs, the concepts, regulations and conditions set forth in the SP-21, The Courtyard Specific Plan, are added to provide for the development of the site with single-family detached dwellings.

The specific plan has been prepared in accordance with the requirements of the California Government Code Sections 64540 through 65507, and addresses all of the issues and topics specified in that code.

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B. Location and Boundary. The Specific Plan includes an area of approximately 0.59-acres generally located on the west side of Temple Avenue between 20th and 19th Streets. The boundaries of the area are more specifically set forth in Tentative Tract Map 74232.

C. Goals and Objectives. Goals for the development within the SP-21, The Courtyard Specific Plan, include the following:

1. Reduce the density allowed on the site from 12 dwelling units to 8 dwelling units; and

2. Encourage the development of privately owned detached singlefamily dwellings; and

3. Provide architectural diversity and avoid uniformity of appearance while achieving a streetscape with pedestrian scale and ambiance consistent with Signal Hill’s small town character.

20.28.020 Adoption of SP-21, The Courtyard Specific Plan. The provisions of this chapter shall apply to all property shown as SP-21, The Courtyard Specific Plan on the official zoning map.

20.27.030 Use Classifications.

A. Principal Uses. Unlisted uses shall be prohibited. The following uses shall be permitted within SP-21, The Courtyard Specific Plan.

1. Detached single-family dwellings available for sale.

B. Accessory Uses. The following Accessory Uses shall be permitted, in conjunction with the development of the single-family dwellings at the site.

1. Home occupations, not to exceed one such use per dwelling:

2. Open space and recreation facilities including swimming pools and spas.

3. Private garages.

4. One surface parking space for each unit in designated parking stalls.

5. Guest parking in designated parking stalls.

6. Transitional housing, supportive housing and licensed group homes serving six persons or fewer are an allowed land use "by right" per California Government Code Section 65583.

20.28.040 Dwelling Unit Density. A maximum of eight detached single-family dwellings shall be permitted on the site as indicated on the approved plans.

20.28.050 Development Standards.

A. All property within SP-21, The Courtyard Specific Plan shall be developed and maintained in accordance with all provisions of the Specific Plan and applicable ordinances and policies of the City of Signal Hill. In the event of inconsistency between Resolution No. XXX-10-15
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the Specific Plan and any other ordinance or regulation of the City, the Specific Plan shall prevail.

B. Substantive changes to the physical improvements on the site may be made only after review and approval by resolution of the Planning Commission, and in compliance with Chapter 20.52, “Site Plan and Design Review,” of the Signal Hill Municipal Code, and this chapter. The determination of “substantive change” hereunder shall be made at the sole discretion of the Director of Community Development.

C. Site Plan. Site development shall substantially conform to the Site Plan as approved by the Planning Commission.

D. Building Design. The design theme and facade treatment shall be consistent with the modern, simplified Spanish style architectural themes as generally shown on the approved plans. Design elements, including, but not limited to, concrete tiled roofs, fine textured stucco finish, decorative Bermuda style awnings, forged steel balusters, accent iron cross bars, and Arto Tile Arabesque accent tiles, and insulated steel garage doors, and vinyl windows. Materials and colors shall be consistent with those shown on the sample board on file in the Community Development Department.

The floor plans shall substantially conform to the floor plans as shown on the approved plans.

20.28.060 Building Height.

A. The maximum height of each structure shall not exceed the following:

1. Lot 1: Twenty-two feet, nine inches (22’-9”) maximum

2. Lots 2 through 8: Twenty-three feet (23’) maximum.

B. Measurement and determination of building heights shall be as in Section

20.04.102, “Building Height,” of the Signal Hill Municipal Code, except that “natural ground elevation” referenced therein, shall be the elevation(s) of each building pad as established on the approved conceptual grading plan.

C. The maximum permissible number of stories shall be:

1. Lot 1: Partial single-story

2. Lots 2 through 8: Two stories.

20.28.070 Required Setbacks. The following setback lines shall be provided from the property line measured to the closest habitable area of the units:

A. “Front” Setback (on Temple Avenue):

1. Lot 1: Thirteen feet, seven inches (13’-7”) minimum

2. Lot 8: Twenty-six feet, nine inches (26’-9”) minimum B. Side (north property line) Setback:

1. Lots 1 through 3: Eight feet, six inches (8’-6”) minimum Resolution No. XXX-10-15
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2. Lot 4: Five feet, two inches (5’-2”) minimum
C. Side (south property line) Setback:

1. Lot 5: Five feet, two inches (5’-2”) minimum

2. Lots 6 through 8: Seven feet (7’) minimum
D. Rear (west property line) Setback:

1. Lots 4 and 5: Ten feet (10’) minimum

2. Lots 3 and 6: Eleven feet (11’) minimum. Balcony six feet (6’) minimum.

E. Distance between buildings– Six feet, four inches (6’-4”) minimum.

20.28.080 Yard Requirements.

A. Required yards shall be those portions of the lot between the property line and the required setback line.

B. All required yards shall extend the full depth and width of the lot and shall be open from ground to sky, with the exception of the following: driveways, sidewalks, porches, patios, steps, provided these are at the finished grade of the first story.

C. Swimming pools and spas shall not be permitted in any required front, or Temple Avenue setback and shall not be located less than three feet (3’) from side or rear lot lines.

20.28.090 Landscape Materials and Turf Replacement
A. Maximum Percent Hardscape Area. The maximum area of hardscape material (permeable or non-permeable) within the front setback area (includes walkways, patios and courtyards, but excludes driveways) shall be limited to:

1. Lot 1: 25%

2. Lot 8: 30%

20.28.100 Patio Covers
A. Setbacks. Patio covers shall be setback five feet (5’) from side or rear property lines. Patio covers shall not be constructed in front yards.

B. Projections. Patio covers eves may project thirty inches (30”) into a side or rear yard.

C. Prohibited uses. Patio covers shall not be used as carports, garages, or storage, utility or habitable rooms.

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D. Construction. Patio covers may have solid roofs and be enclosed as provided by the Uniform Building Code.

20.28.110 Patio Covers-Open Trellis
A. Setbacks. Patio covers - open trellis shall be setback three feet (3’) from a side or rear property line.

B. Projections. Patio covers - open trellis eves may project twelve inches (12”) into a side or rear yard setback. Patio covers - open trellis including eves may project eighteen inches (18”) into the front yard setback.

C. Prohibited Enclosures. Patio covers - open trellis sides or covers shall not be temporarily or permanently enclosed.

D. Construction. Patio covers - open trellis shall be unenclosed post and beam construction that may include latticework provided that the sides and cover remains a minimum forty percent open to the sky.

20.28.120 Permitted Projections Into Required Yards.

A. Side-Yard Projections. Architectural projections, such as eaves, belt courses, and sills may be permitted to project not more than eighteen inches (18") into required side yards. Privacy awnings may be permitted to project twenty-two inches (22”) into required side yards.

B. Front and Rear Yard Projections. Architectural projections may be permitted to project not more than eighteen inches (18”) into required front and rear yards. Privacy awnings may be permitted to project twenty-two inches (22”) into required rear yards.

C. The director of community development may permit other similar architectural projections, provided that the size of the projection does not exceed the above limits.

20.28.130 Floor Area Ratio
A. The maximum overall floor area ratio for the project site shall not exceed

0.65% and substantially conform to sheet T01 of the Site Plan as approved by the Planning Commission.

B. Maximum permitted floor area ratio shall be calculated as follows:
gross floor area minus (-) garage square feet equals (=) net lot area.

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For purposes of this subsection, "gross floor area" means and includes the area of the first story and any additional stories for all structures, including garages, greenhouses and accessory buildings on a lot.

20.28.140 Fences, Walls and Hedges.

A. Permitted Fences, Walls and Hedges. Fences, walls and hedges not greater than six feet, six inches (6’-6”) in height shall be permitted at all rear and side property lines, and within required rear or side yards.

B. No fence, wall, gate, or hedge over five feet, six inches (5’-6”) in height shall be permitted in any required front setback. Any wall over four feet shall be a minimum 30% open/transparent. The fence and walls shall substantially conform with the fence and wall plans as shown on the approved plans.

C. Architectural Embellishments. Architectural embellishments such as pilasters, archways, sculptures, etc., may be permitted to project above the maximum height on any fence, hedge or wall, subject to approval of the Community Development Director, provided that such embellishment does not significantly increase the overall average height or apparent mass of the wall.

D. Retaining Walls protecting cut below natural grade. Where a retaining wall protects a cut below natural grade, such retaining wall may be topped by a fence, wall or hedge, but the height shall be measured from the highest actual finished grade on either side.

E. Retaining Walls containing fill. When a retaining wall contains a fill, the height of the retaining wall built to retain the fill shall be considered as contributing to the permissible height of a fence, solid wall or hedge.

F. An increase in fence and wall height by not more than ten percent (10%) may be allowed subject to the review and approval of the Director of Community Development.

20.28.150 Off-Street Parking.

A. Each dwelling unit has four (4) bedrooms (or rooms that could be used as a bedroom as determined by the director of community development) and therefore, shall include a two-car enclosed garage, minimum 400 square-feet with 72 cubic feet each of storage area, and one assigned surface parking space for each dwelling unit.

B. Ten (10) uncovered surface off-street parking spaces including eight unit assigned spaces and two guest spaces shall be provided in the common area parking areas at all times.

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C. Surface parking stall size shall not be less than nine feet (9’) by twenty feet (20’).

D. A total of two guest parking spaces shall be available for use at all times.

20.28.160 Trash and Recycling Storage Area.

A. Trash and storage recyclable materials enclosure areas shall be provided of sufficient size to ensure containment of all solid waste materials generated from each dwelling, and to promote the City's recycling program. Storage of trash bins shall be placed away from view and screened with landscaping, a low wall, or privacy gate.

20.28.170 Signs. A 14.7-square-foot project identification sign, approximately 2’-8”in height, featuring the project name in individual bronze cast metal pin-mounted letters is permitted. All other signs, except for signs identified in Chapter 20.58.120 of the Signal Hill Municipal Code as being permissible in any zoning district without a sign permit are prohibited.

20.28.180 Mechanical Equipment. Exterior air-conditioning equipment shall be placed away from view or screened with landscaping, a low wall, or privacy gate.

20.28.190 Utilities, Public Facilities and Services
A. On-Site Facilities. All on-site water supply, wastewater collection and sewage lines and facilities shall be provided by the developer in accordance with the City of Signal Hill standard plans. Storm drainage facilities shall be provided in accordance with Los Angeles County flood control district standards. Sewage facilities must also be consistent with the Los Angeles County sanitation requirements.

B. Undergrounding. All new utility lines serving the site, including natural gas, electrical, water, wastewater and communication lines shall be placed underground by the developer.

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PASSED, APPROVED AND ADOPTED at a regular meeting of the Planning Commission of the City of Signal Hill, California, on this 15th day of October, 2024.
________________________________

SONIA SAVOULIAN
CHAIR
ATTEST:

COLLEEN T. DOAN

COMMISSION SECRETARY

STATE OF CALIFORNIA )
COUNTY OF LOS ANGELES ) ss.

AYES:

NOES:

ABSENT:

ABSTAIN:

COLLEEN T. DOAN

COMMISSION SECRETARY
Resolution No. XXX-10-15
October 15, 2024

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RESOLUTION NO. XXX-10-15

A RESOLUTION OF THE PLANNING COMMISSION OF THE

CITY OF SIGNAL HILL, CALIFORNIA, APPROVING
TENTATIVE TRACT MAP 74232, A REQUEST TO
SUBDIVIDE AN APPROXIMATE 0.59-ACRE SITE LOCATED
AT 1933 THROUGH 1939 TEMPLE AVENUE FOR A TOTAL

OF NINE LOTS - EIGHT NUMBERED LOTS FOR

DWELLINGS AND ONE LETTERED LOT FOR COMMON

AREA AND A PRIVATE DRIVEWAY
WHEREAS, on September 22, 2022, the applicant, Guy Alexander as agent for Signal Ventures, LLC, formally filed Tentative Tract Map 74232 (Exhibit A) for approval to subdivide an approximate 0.59-acre site into nine lots - eight numbered lots for detached single-family town homes and one lettered lot for common areas including landscaping, two designated guests and two designated homeowner parking spaces, and a private 20-footwide T-shaped driveway; and WHEREAS, the site is legally described as Lots 11, 12, and 13 of the Price and Peterson Tract, in the City of Signal Hill, County of Los Angeles, State of California, as per map recorded in Book 12, Page 85 of Maps, in the office of the County Recorder of said county. All that portion of Farm Lot 22 of the Alamitos Tract, in the City of Signal Hill, County of Los Angeles, State of California, as shown on map recorded in Book 36, Page 37, et seq., of miscellaneous records, in the office of the County Recorder of said County, lying east of a line parallel with and 265.88 feet west of the center line of Temple Avenue and lying north of a line parallel with and 219.56 feet north of the center line of 19th Street, as established on January 20, 1948, and lying southwest of the southwest line of Price and Peterson Tract, as shown on Map recorded in Book 12, Page 85 of maps, records of said County; and
WHEREAS, Tentative Tract Map 74232 has been transmitted to the appropriate agencies for their review and comment in a timely manner as required by California Government Code Section 66453, entitled Subdivision Review by Adjoining Local Resolution No. XXX-10-15
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Agencies; and
WHEREAS, said comments have been duly considered and are reflected herein; and
WHEREAS, pursuant to Signal Hill Municipal Code Chapter 18.12, “Subdivisions,” the tentative map is properly a matter for Planning Commission review and determination; and
WHEREAS, On March 21, 2024, a duly noticed neighborhood meeting was held in the City Council Chamber of City Hall. Two individuals from the neighboring northern property were in attendance. During the meeting, staff provided an overview of the planning process, the applicant presented preliminary plans, and the community members offered feedback. The primary concern raised from Units 101 and 102 Temple View condominiums included 1) The close distance of the proposed Dwelling Unit 1 second-story roofs from the neighboring northern property’s patios, and 2) The height of the proposed Dwelling Unit 1 second story and roof blocking the view of Temple Avenue from both property’s patios; and
WHEREAS, after conducting outreach to those with concerns, no further issues were raised; and
WHEREAS, on October 4, 2024, notice of a Planning Commission public hearing regarding Tentative Tract Map 74232 was mailed to all property owners and residents within 500 feet of the subject property, was published in the Signal Tribune newspaper and was posted in accordance with Signal Hill Municipal Code Section

1.08.010; and
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WHEREAS, the Planning Commission has recommended City Council adoption of Initial Study/Mitigated Negative Declaration (SCH 2024100062) relative to Zoning Ordinance Amendment 24-01, Tentative Tract Map 74232, and Site Plan and Design Review 24-01 in satisfaction of requirements of the California Environmental Quality Act; and
WHEREAS, on October 15, 2024, a public hearing was held before the Planning Commission, and all interested parties were given an opportunity to be heard regarding the request; and
WHEREAS, the City has incorporated all comments received and responses thereto.

NOW, THEREFORE, BE IT RESOLVED, that the Planning Commission of the City of Signal Hill, California, does hereby find as follows:

Section 1. The proposed Tentative Tract Map 74232, subject to the attached conditions, is in accordance with California Government Code Section 66474 in that:
a. The proposed map, subject to the attached conditions, is consistent with the General Plan as follows:
(i) Said land is designated as 1.3 high-density residential (allowing up to 35 dwellings per acre for a maximum of 12 units) on the General Plan Land Use Element’s Generalized Land Use Map and approval of Tentative Tract Map 74232 would permit medium-density residential development with a total of eight units; and (ii) Approval of the proposed map would promote a number of specific General Plan Goals and Policies as described below:

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Land Use Policy 1.2 – Provide opportunities for a variety of residential densities and housing styles.

Finding regarding Land Use Policy 1.2 – The proposed
residential development provides eight above moderate
(income level) single-family residential dwellings. Development of the project will assist the City in meeting its Regional Housing Needs Assessment (RHNA) goal for the years 2021- 2029.

Land Use Policy 1.3 – Support the maintenance of residential areas and encourage in-fill of vacant lots close to transportation, municipal facilities, and shopping opportunities.

Finding regarding Land Use Policy 1.3 –The proposed project is an infill parcel with three existing storage structures onsite.

The project is located on the west side of Temple Avenue between East 19th and East 20th Streets and is surrounded by condominium complexes on the north, west, and south and single-family on the east. The project site is less than one mile to commercial uses and public transportation systems on Pacific Coast Highway.

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from the nearest property lines, allowing for unobstructed access to the wellhead if needed. Similarly, Well #3 is located near proposed open parking spaces, providing a 10-foot radius that is partially unobstructed by a four-foot-tall removable metal picket fence. The fence is designed and installed to be easily removed, ensuring full access to the adjacent wellhead, when necessary, with more than 10 feet of clearance from the nearest property lines.

LAND USE ELEMENT GOAL 3 – Assure a safe, healthy, and aesthetically pleasing community for residents and businesses.

Land Use Policy 3.7 – Maintain and enhance the quality of residential neighborhoods.

Finding regarding Land Use Policy 3.7 – The proposed project is an infill site that will replace three existing, dilapidated buildings previously used for storage. The dwelling units feature a modern, simplified Spanish style architecture including concrete tiled roofs, fine textured stucco finish, decorative Bermuda style awnings, metal window flower
shelves, accent iron cross bars, forged steel baluster railings, and Arto Tile Arabesque accent tiles. The development
incorporates architectural diversity by providing three exterior elevation designs and two different color schemes. There are four variations of entry porches, four entry door designs, three garage door styles, and several overhang roof style and rooftop configurations, all featuring photovoltaic solar structures.

Land Use Policy 3.18 – Minimize the impacts of stormwater runoff to the maximum extent practicable on the biology, water quality and integrity of natural drainage systems and water bodies.

Page 6 of 8 ends

toward Temple Avenue within a six-foot-wide public service easement. This easement between the two parties has been approved by the City Engineer and was recently recorded for the purpose of installing, maintaining, repairing, renewing, and replacing an underground sanitary sewer line, sump pump, and stormwater drain line. Additionally, the proposed project includes a stormwater drainage and erosion control system designed to manage stormwater runoff from both sites. The system features a series of inlet drains, catch basins, a trench drain, and permeable pavement that directs water into an underground modular polypropylene “CUDO” storage system.

The project will comply with the City’s Low Impact
Development (LID) standards which requires that the site must be treated with LID Best Management Practices (BMPs) prior to discharge.

Land Use Policy 3.19 – Maximize to the extent possible the percentage of permeable surfaces to allow more percolation of stormwater runoff into the ground.

Finding regarding Land Use Policy 3.19 – The project includes landscaped backyards and common areas. The private
driveway, surface parking, and rear yard patios have been designed to use decorative permeable pavers to allow for percolation of stormwater on-site.

CIRCULATION ELEMENT GOAL 1 – Ensure that new development results in the preservation and enhancement of the City’s circulation system.

Circulation Policy 1.f. – Ensure that new development provides adequate parking for anticipated uses; however, reductions in parking requirements should be considered where alternative modes for transportation or shared parking exist.

Finding regarding Circulation Policy 1.f. – Onsite parking for the project complies with the multi-family parking standard even though the residential product type being proposed is single-family. The project provides two parking spaces within an enclosed garage and one designated surface parking space for each dwelling unit. Additionally, two guest parking spaces are located at the west end of the project site, positioned on each end of the hammerhead.

HOUSING ELEMENT GOAL 1 – Accommodate the housing needs of all income groups as quantified by Regional Housing Needs Assessment.

Resolution No. XXX-10-15
October 15, 2024

Page 7 of 8 ends

Housing Element 2021-2029 Program Category #1 Goal – Accommodate the housing needs of all income groups as quantified by Regional Housing Needs Assessment.

Finding regarding Housing Element 2021-2029 Program
Category #1 Goal – Development of eight new single-family detached dwelling units sold at market rate will assist the City in meeting its 188 above moderate-income Regional Housing Needs Assessment. The project’s development will be reported with the City’s annual progress report which is sent to the State Department of Housing and Community Development when
the building permits are issued.

Section 2. In accordance with Government Code Section 66473.5, which states, “subdivisions must be consistent with the general plan or specific plan,” the Planning Commission does hereby find that the proposed subdivision and provisions for its design and improvements, subject to the attached conditions, are compatible with the goals and objectives of the Land Use Element of the Signal Hill General Plan.

Section 3. In accordance with Government Code Section 66474.6, the Planning Commission has determined that the discharge of waste from the proposed subdivision, subject to the attached conditions, into the existing sewer system will not result in a violation of the requirements prescribed by the Regional Water Quality Control Board in that the developer is required to comply with the Mitigation Monitoring Program, submit an erosion control plan and comply with the NPDES, Best Management Practices, during the grading and construction phases of the project.

Section 4. In accordance with Government Code Section 66473.1, which states, “the design of a subdivision for which a tentative map is required pursuant to Section 66426 shall provide for future passive or natural heating and cooling opportunities,” the Planning Commission has determined that the Tentative Tract Map, subject to the attached conditions, does provide, to the extent feasible, for future passive solar, or natural heating and cooling opportunities in that the design of individual structures incorporates energy-saving devises or materials, including, but not limited to, insulation, double-pane windows, and high-efficiency central heating and cooling systems.

NOW, THEREFORE, BE IT FURTHER RESOLVED, that the Planning Commission of the City of Signal Hill, California, does hereby approve Tentative Tract Map 74232, subdividing an approximate 0.59-acre site into nine lots - eight numbered lots for detached single-family town homes and one lettered lot for common area landscaping, two guests and two designated homeowner parking spaces, and a private 20-foot-wide T- Resolution No. XXX-10-15
October 15, 2024

Page 8 of 8 ends

shaped driveway, subject to the Conditions of Approval attached hereto as Exhibit B.

PASSED, APPROVED AND ADOPTED at a regular meeting of the Planning Commission of the City of Signal Hill, California, on this 15th day of October, 2024.

SONIA SAVOULIAN
CHAIR
ATTEST:

COLLEEN T. DOAN

COMMISSION SECRETARY

STATE OF CALIFORNIA )
COUNTY OF LOS ANGELES ) ss.

CITY OF SIGNAL HILL )
I, COLLEEN T. DOAN, Secretary of the Planning Commission of the City of Signal Hill, California, do hereby certify that Resolution No. XXX-10-15 was adopted by the Planning Commission of the City of Signal Hill, California, at a regular meeting held on the 15th day of October 2024, by the following vote:

AYES:

NOES:

ABSENT:

ABSTAIN:

COLLEEN T. DOAN

COMMISSION SECRETARY
1 Tentative Tract Map No. 74232
Recommended Conditions of Approval
Project: The Courtyard Specific Plan (SP-21)
Location: 1933 through 1939 Temple Avenue (APN 7216-020-011 and 7216-021- 002)
Applicant/Agent: Guy Alexander – Signal Ventures, LLC
Property Owner: Signal Ventures, LLC

1. Approval of Tentative Tract Map No. 74232 and recordation of Final Map is subject to subsequent City Council approval of Zoning Ordinance Amendment 24-01 and compliance with the conditions of approval contained in Site Plan and Design Review (SPDR) 24-01.

2. The property owner/applicant shall indemnify, protect, defend, and hold the City of Signal Hill (City), and/or any of its officials, officers, employees, agents, departments, agencies, and instrumentalities thereof, harmless from any and all claims, demands, lawsuits, writs of mandamus, and other actions and proceedings (whether legal, equitable, declaratory, administrative or adjudicatory in nature), and alternative dispute resolution procedures (including, but not limited to arbitrations, mediations, and other such procedures), judgments, orders, and decisions (collectively “Actions”), brought against the City, and/or any of its officials, officers, employees, agents, departments, agencies, and instrumentalities thereof, that challenge, attack, or seek to modify, set aside, void, or annul, any action of, or any permit or approval issued by the City and/or any of its officials, officers, employees, agents, departments, agencies, and instrumentalities thereof (including actions approved by the voters of the City) for or concerning the project, whether such Actions are brought under the Ralph M. Brown Act, California Environmental Quality Act, the Planning and Zoning Law, the Subdivision Map Act, Community Redevelopment Law, Code of Civil Procedure Sections 1085 or 1094.5, or any other federal, state, or local constitution, statute, law, ordinance, charter, rule, regulation, or any decision of a court of competent jurisdiction. It is expressly agreed that the City shall have the right to approve, which approval will not be unreasonably withheld, the legal counsel providing the City’s defense, and that property owner/operator shall reimburse City for any costs and expenses directly and necessarily incurred by the City in the course of the defense. City shall promptly notify the applicant of any Action brought and City shall cooperate with applicant in the defense of the Action. This provision to indemnify shall survive the expiration, termination, suspension or revocation of this permit.

Exhibit A
2 3. Within 24 months from the approval date of the map, the applicant shall file with the appropriate agencies a Final Tract Map prepared in accordance with the requirements of Title 18, “Subdivisions,” of the Signal Hill Municipal Code, the State Subdivision Map Act, and the conditions contained herein. Failure to file such a map in a timely fashion, meeting all conditions herein, shall terminate the Tentative Tract Map unless extended, as provided in the Subdivision Map Act and Title 18 of the Signal Hill Municipal Code.

4. Prior to Final Tract Map approval, the following modifications shall be included on the Final Map:

A. Lot 1 shall be changed from “PROPOSED 2 STORY BUILDING” to “PROPOSED PARTIAL SINGLE-STORY BUILDING”
B. The “proposed block wall’ located on the northwest property line shall be revised to reflect “proposed retaining wall by other.”

5. The Final Map and the associated easement documents shall provide the description and location of additional easements created for the purpose of installing and maintaining utility lines, site drainage, retaining walls, and oil well maintenance as necessary. Grantors: lot owners, Grantee HOA.

6. The Final Map and associated easement documents shall provide description and location of easements granting the right to use the land surface adjacent to Lot 1 and Lot 2. Grantor: HOA, Grantees: owners of lot 1 and lot 8.

7. Approval is subject to compliance with the applicable mitigation measures included in the approved Mitigated Negative Declaration (SCH 2024100062)

8. The applicant shall be required to establish a Homeowners’ Association (HOA) for all of the properties within the boundaries of Tentative Tract Map No. 74232. All organizational documents for the project shall be submitted to and approved by the Director of Community Development and the City Attorney prior to Final Map approval and shall be recorded with the Final Map. A copy of the recorded documents shall be submitted to the Community Development Department and kept on file.

9. The property owner shall record Declaration of Covenants, Conditions and Restrictions (CC&R’s), in a form subject to the review and approval of the City Attorney, under which the property owner and each future owner releases and indemnifies the City for issuance of project permits, and which puts all future owners and occupants of Tract 74232 on notice of the provisions contained in the CC & R’s which include:
3 A. The City shall be included as a party to the CC&R’s. In addition to the conditions listed below, the CC&R’s shall give the City the right to enforce the provisions thereof, including entering the property and performing the work itself after due notice and the opportunity to cure, and the right to lien the property for all costs incurred if not promptly reimbursed.

B. Owner(s) shall be aware that surrounding properties may be developed or redeveloped in accordance with City ordinances in a manner, which may partially or totally obstruct views from the owner(s) unit. Owner(s) should check the development regulations of the City if they are concerned about possible obstruction of trees/views. The City makes no claim, warranty or guarantee that trees/views from any unit will be preserved as the development of surrounding properties occurs.

C. All on-site utility services (gas, electrical, sewer, phone/cable) serving the site shall be maintained underground. Service shall be provided by a company licensed to provide such service within the City.

D. Public Utilities shall not be placed under any enhanced/decorative paving in the interior streets. If they are, and the City needs to excavate to make any repairs to any city portions of utilities; the City’s responsibility will be to put back conventional asphalt or typical concrete. It will be the Home Owner Association’s responsibility to construct the enhanced/decorative paving section.

E. The Homeowner’s Association must maintain all Source, Structural, and Treatment Control Best Management Practices (e.g., sweep private streets and parking lots, re-apply storm drain system stenciling and signage, cleanout inlet drains, replace inlet filters when broken or degraded) per the approved Low Impact Development Plan’s Maintenance & Operations Manual. The Homeowner’s Association will allow access to the property to city inspectors for routine inspections of the BMP’s to ensure compliance with the approved Low Impact Development Plan and the National Pollutant Discharge Elimination System (NPDES) permit.

F. The Approved Low Impact Development Plan (LID) shall be attached to the Conditions, Covenants and Restrictions (CC & R’s) for the project.

G. Landscaping, including vegetation, irrigation systems and earth mounding shall be installed in accordance with landscape plans approved in conjunction with SPDR 24-01. The property, including improvements and landscaping, shall be permanently maintained in good, first-class condition, without deterioration and free of waste and debris.
4 H. EDCO waste container procedures including:
i. Each house has space for three waste containers.
ii. In accordance with EDCO’s established procedures, on the waste collection day, the carts will be placed by homeowners in the designated collection area along the Temple Avenue curb with the wheels against the curb or the edge of the roadway.
iii. The containers shall not be placed on the curb or the edge of the roadway any sooner than the afternoon of the day before pickup or remain in the street longer than the evening of the pickup service. iv. The containers will have a designated house number painted with 6” high numbers.
v. Arrows on the lid should point toward the street.
vi. Automated carts should be placed at least 2 feet away from each other and from other obstructions such as parked cars, trees, telephone poles and mailboxes.
vii. Do not place carts in areas of traffic, such as bike lanes, in order to avoid blocking paths of travel.

I. The HOA shall be solely responsible for enforcing a Parking Management Concept regulating the use of all private garages and common area surface parking spaces. The intent of the Parking Management Concept shall be to ensure that garages are available to be used for their intended purpose, vehicle parking for occupants of the attached dwelling, and to maximize the use of common area surface parking for owner’s/HOA’s guests, assuring permanent right of use. Specific provisions include:
i. Vehicle registration: all homeowners shall register each of their vehicles with the HOA to allow for proper monitoring and implementation of the Parking Management Concept.
ii. Eight (8) surface parking spaces shall be assigned and clearly designated for the exclusive use of the dwelling unit identified on the approved site plan. Clear and highly visible signage for each surface parking space to specifically identify designations and restrictions. iii. Two (2) surface parking spaces shall be specifically designated and restricted for the exclusive use of guests. Homeowners’ registered vehicles are prohibited from parking in the spaces specifically designated for guest parking. The HOA will monitor the guest parking spaces regularly to ensure that only guests are utilizing the guest parking spaces.
iv. Annual and semi-annual garage inspections are required based on a schedule as determined by the HOA. The inspections shall be performed exclusively by the HOA or their designee.
v. A parking hotline must be maintained for homeowners to anonymously report violations of improper use of either the private garages or surface guest parking. The HOA shall monitor the hotline 5 and make a “good faith effort” to respond in a quick and efficient manner.
vi. Penalties: a formal series of warnings, fines and liens for violations of the parking management regulations shall be established and maintained.

J. Owner(s) shall be aware that any construction, repair, modification or alteration of any buildings, equipment, structures, or improvements on the property shall be subject to the approval of the Director of Community Development, if a building permit is required. Owner(s) shall secure HOA approval prior to submitting plans for City review and approval.

K. The CC&Rs shall contain a provision prohibiting the storage or parking of any boat, recreational vehicle, trailer, trailer coach or house car as defined in the State of California Vehicle Code.

L. The CC&Rs shall include a provision prohibiting rooms that were not considered bedrooms for purposes of parking calculations from being marketed or used as bedrooms.

M. The CC&Rs shall include a provision restricting the use of charcoal or electric pellets grills.

N. The CC&Rs shall identify all fences, gates and walls and the party responsible for maintenance of all fences, gates and walls. The fences, gates and walls shall be identified on a plan.

O. The CC&Rs shall identify the landscape areas and the party responsible for maintenance of the landscaping and irrigation systems. Maintenance shall include replacement of dead or dying plants with plants of similar type and size shown on the approved landscape plan. The landscape areas shall be identified on a plan.

P. The HOA shall provide for the maintenance of all common areas, parking areas, and private driveways. The HOA shall grant driveway access to City representatives on official City business, emergency services providers, police patrols, refuse and recycling collection agencies, and public utility maintenance and repair crews. The HOA shall authorize the City’s Police Department to enforce the provisions of the Municipal Code and California Vehicle Code on the private driveway within the project in accordance with Vehicle Code Section 21107.7. The HOA shall post signage applicable to authorized City enforcement at the entrance to the private streets. 6 Q. The HOA shall authorize the City’s Police Department to enforce the provisions of the Municipal Code and California Vehicle Code on the private driveway within the project in accordance with Vehicle Code Section 21107.7. The HOA shall post signage applicable to authorized City enforcement at the entrance to the private streets.

R. Declarant, the HOA, and all owner(s) shall be required to file with the City of Signal Hill Community Development Department the names, addresses and telephone numbers of the HOA’s property management company and responsible property manager and each member of the HOA board, as of January 1st of each year.

S. Owner(s) shall sign a disclosure statement prepared by the Developer and reviewed by the Director of Community Development and the City Attorney acknowledging that owner(s) have read the aforementioned items. The disclosure statement shall be represented in typeface of larger than ten (10) points in size.

T. No amendments to the CC&Rs that affect the City shall be made or recorded without the prior written approval of the Director of Community Development.

10.The applicant shall submit a current title report prior to Final Map approval.

11.The map shall grant easements for driveway access, guest parking space access, and walkway access between units, and oil well access to City representatives on official City business, emergency services providers, police patrols, refuse and recycling collection agencies, and public utility maintenance and repair crews.

12.The applicant shall provide evidence, satisfactory to the Director of Community Development, that rights-of-entry are executed for any affected easement or fee owner prior to Final Map Recordation and/or issuance of building permits for each phase of the project.

13.All conditions of approval and fees associated with Site Plan and Design Review 24- 01 remain in full effect.

14.The applicant shall satisfy all City of Signal Hill Tentative Tract Map requirements pursuant to Chapter 18.12, Preliminary and Tentative Maps, of the Signal Hill Municipal Code. Tentative Tract Map No. 74232 has been distributed to all interested local and state agencies. The applicant shall satisfactorily address comments received by any interested agency, specifically the Los Angeles County Fire Department.
7 15.The Tentative Map shall be submitted to the County of Los Angeles Fire Department Fire Prevention Division Land Development Unit through epicla.lacounty.gov under plan type FIRE-Land Development-Tentative Map-Tract. For assistance with epicla.lacounty.gov please contact the Land Development Unit Clerk, Tony le at (323) 890-4243.

16.All on-site Fire Department vehicular access roads shall be labeled as “Private Driveway and Fire Lane” on the site plan/exhibit, tentative map and Final Map along with the widths clearly depicted on the plan. Labeling is necessary to assure the access availability for Fire Department use. The designation allows for appropriate signage prohibiting parking.

17.In the event that the development requires relocation of Southern California Edison (SCE) facilities, on the subject property, which facilities exist by right of easement or otherwise, the owner/developer will be requested to bear the cost of such relocation and provide SCE with suitable replacement rights. Such costs and replacement rights are required prior to the performance of the relocation.

18.The Los Angeles County Sanitation District requirements shall be complied with, pursuant to the comment letter dated October 2, 2024, and attached as Exhibit C.

A. The wastewater flow originating from the proposed project will discharge directly to the Districts’ Alamitos Pumping Plant Trunk Sewer, located in Temple Avenue north of East 19th Street. The Districts’ 8–inch diameter trunk sewer has a capacity of 1.1 million gallons per day (mgd) and conveyed a peak flow of 0.3 mgd when last measured in 2021. A 6-inch diameter or smaller direct connection to a Districts’ trunk sewer requires a Trunk Sewer Connection Permit issued by the Districts. An 8-inch diameter or larger direct connection to a Districts’ trunk sewer requires submittal of Sewer Plans for review and approval by the Districts. For additional information, please contact the Districts’ Engineering Counter at (562) 908-4288, extension 1205, or [email protected].

B. The wastewater generated by the proposed project will be treated at the A.K.

Warren Water Resource Facility (formerly known as the Joint Water Pollution Control Plant) located in the City of Carson, which has a capacity of 400 mgd and currently processes an average flow of 247.2 mgd.

C. The expected increase in average wastewater flow from the project, described in the plan as a subdivision of one lot to nine lots, is 1,728 gallons per day, after all structures on the project site are demolished. For a copy of the Districts’ average wastewater generation factors, go to www.lacsd.org, under Services, then Wastewater Program and Permits and select Will Serve Program, and click on the Table 1, Loadings for Each Class of Land Use link.

D. The Districts are empowered by the California Health and Safety Code to charge a fee to connect facilities (directly or indirectly) to the Districts’ Sewerage System or to increase the strength or quantity of wastewater 8 discharged from connected facilities. This connection fee is used by the Districts for its capital facilities. Payment of a connection fee may be required before this project is permitted to discharge to the Districts’ Sewerage System. For more information and a copy of the Connection Fee Information Sheet, go to https://www.lacsd.org/services/wastewater-sewage/wastewaterrates. In determining the impact to the Sewerage System and applicable connection fees, the Districts will determine the user category (e.g.

Condominium, Single Family Home, etc.) that best represents the actual or anticipated use of the parcel(s) or facilities on the parcel(s) in the development. For more specific information regarding the connection fee application procedure and fees, please contact the Districts’ Wastewater Fee Public Counter at [email protected] or (562) 908-4288, extension 2727.

E. In order for the Districts to conform to the requirements of the Federal Clean Air Act (CAA), the capacities of the Districts’ wastewater treatment facilities are based on the regional growth forecast adopted by the Southern California Association of Governments (SCAG). Specific policies included in the development of the SCAG regional growth forecast are incorporated into clean air plans, which are prepared by the South Coast and Antelope Valley Air Quality Management Districts in order to improve air quality in the South Coast and Mojave Desert Air Basins as mandated by the CAA. All expansions of Districts’ facilities must be sized and service phased in a manner that will be consistent with the SCAG regional growth forecast for the counties of Los Angeles, Orange, San Bernardino, Riverside, Ventura, and Imperial. The available capacity of the Districts’ treatment facilities will, therefore, be limited to levels associated with the approved growth identified by SCAG. As such, this letter does not constitute a guarantee of wastewater service but is to advise the applicant that the Districts intend to provide this service up to the levels that are legally permitted and to inform the applicant of the currently existing capacity and any proposed expansion of the Districts’ facilities.

End of Conditions.
20TH STREET
19TH STREET

EXISTING BUILDING

EXISTING

BUILDING
N82°48'00"W 56.07'
WEST 235.88' NORTH 110.48' SOUTH 110.48'
WEST 235.88' SOUTH 660.04'
12 THE PRICE & PETERSON TRACT, M.R. 12 - 85 TEMPLE AVENUE 219.56' 30'
6 0'
13 Por.
11 22
Por.

THE ALAMITOS TRACT, M.M. BK. 36, PG. 37
20TH STREET CL
*

OTHER'S SEWER LINE

OTHER'S SUM PIT
TENTATIVE TRACT MAP 74232

FOR SUBDIVISION PURPOSES

OIL WELL INFORMATION

ARCHITECT

FLOOD ZONE CLASSIFICATION

CURRENT ZONING

BASIS OF BEARINGS

EXISTING EASEMENT TO BE VACATED

LEGAL DESCRIPTION

BENCHMARK

GENERAL NOTES
N

PROJECT DETAIL

UTILITY SERVICE

VICINITY MAP
(527.63).........EXISTING ELEVATION
520.00............PROPOSED ELEVATION
--(530)--..........EXISTING COUNTOUR
530 ..........PROPOSED ELEVATION
.....DRAINAGE PATTERN
.....PROPOSED RETAINING WALL
.....PROPOSED RETAINING WALL WITH

FENCE ON TOP
.....PROPOSED BLOCK WALL
.....EXISTING BLOCK WALL
SW.................SIDE WALK
..................LIGHT
C .....CENTER LINE
P .....PROPERTY LINE
.....CONSTRUCTION NOTES
.....SANDBAG LINE
.....PERMEABLE PAVERS
.....CONCRETE
L
9 L
LEGEND:
..............DRIVEWAY
..............PEDESTRIAN PATH DELINEATION
..............LANDSCAPE
T.C.............TOP OF CURB
F.L..............FLOW LINE
F.G.............FINISH GRADE
F.S.............FINISH SURFACE
F.F.............FLOOR FINISH
H.P.............HIGH POINT
P.P.............POWER POLE
D/W...........DRIVEWAY
W.M...........WATER METER
INV.............INVERT ELEVATION
T.G.............TOP OF GRATE

PROPOSED EASEMENT NOTES
NO. DATE INITIAL DESCRIPTION APP.

REVISIONS REFERENCES

CITY OF SIGNAL HILL
SHEET

PLAN NUMBER
1933 & 1939 TEMPLE AVENUE OF 1 SHEETS

THE COURTYARD
22035
SCALE: DATE

APPROVED

REVIEWED BY

PREPARED UNDER THE SUPERVISION OF

AS SHOWN
EXP 9/30/2025

CITY ENGINEER

AMIR DEIHIMI
A.L.

A.L.
09/12/2024

SOIL ENGINEER
TENTATIVE TRACT MAP 1
*

LOT AREA

EXHIBIT C

CITY OF SIGNAL HILL

DEPARTMENT OF PUBLIC WORKS

CONDITIONS OF APPROVAL
Public Works requirements for issuance of a Building Permit (Based on 2024 Building valuation) and for a Land Subdivision. In addition, a Subdivision must fulfill all requirements of the California Subdivision Map Act, and the City of Signal Hill Subdivision Ordinance in Title 18 of the Signal Hill Municipal Code.

REQUIREMENTS OF DEVELOPER/APPLICANT
Prior to issuance of any permits (grading, excavation, etc.) all improvement plans (street, sewer, water, alley, grading, etc.), all dedication/vacation drawings, must be approved to the satisfaction of the City Engineer.
(a) Provide documentation that all existing utility and pipeline easements across the property, affecting the development of the property, have been relinquished or abandoned.
(b) The developer/applicant shall be responsible for the maintenance, repair and replacement of off-site improvements abutting the project boundary during construction of the on-site improvements until final inspection of the on-site improvements by the City and one-year following the improvements in accordance with the Subdivision Agreement. Any such off-site improvements found damaged by the construction of the on-site improvements shall be repaired or replaced by the developer/applicant to the satisfaction of the City Engineer.
(c) Construction Plans for Grading, Storm Drain, Low Impact Development, street improvement, sewer connection, dry utilities connection, water improvement, and erosion control shall be prepared by a registered engineer, at a minimum scale of 1” = 40’, and on 24” by 36” sheets.

Proposed improvements shall be designed and constructed per City Public Works Standards.
(d) Any existing improvements in the public right-of-way, adjacent to project parcel frontage, that are not in compliance with the Americans with Disabilities Act (ADA) shall be removed and reconstructed or added to meet Project: Tentative Tract Map 74232 - 8 Town
Houses
Address: 1933 Temple Avenue
Developer: Signal Hill Ventures, LLC
Date: October 15, 2024
S:\@PRIVATE DEVELOPMENT PROJECTS\Development Projects - by street address\TEMPLE AVE\1933 Temple Ave\COA\Comments_COA 10-15-24.docx
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the ADA requirements and must comply with City Standards (e) All existing public facilities in conflict with new improvements shall be relocated at no cost to the City. Property owner shall dedicate, or cause to be dedicated all easements needed to accommodate the relocation, modification or installation of facilities to be maintained by the City or any public utility company.

1. GRADING PLAN
The applicant shall submit a Grading Plan prepared by a registered Civil Engineer, on City Title Block Mylar, subject to the review and approval of the City Engineer.

2. STREET IMPROVEMENTS
The applicant shall submit a Street Improvement Plan prepared by a registered Civil Engineer, on City Title Block, subject to the review and approval of the City Engineer. Applicant shall construct the following Public Works Street Improvements (per approved plans & City Standards):
(a) Construct Driveway Approach along Temple Avenue frontage to comply with ADA (American with Disabilities Act) and per City Standard Plans. (b) Construct new Parkway Landscaping with irrigation per City parkway design guidelines.
(c) Install 2 Street trees planted in deep root control boxes with irrigation.

Type of Tree shall follow 2023 Street Tree Master Plan. (d) Remove existing driveway and replace with full height curb and gutter and install new 5-foot width sidewalk per City standard plans along property frontage and connecting to the existing adjacent sidewalks. (e) Restore street pavement with a 2” grind and overlay to minimum of Temple Avenue centerline (final restoration limits shall vary with utility trenching) within the property frontage limits and connecting to adjacent street pavement. Asphalt pavement submittals shall be approved by Public Works Department. Restore any damaged or marred pavement striping and markings at the completion of the offsite improvements. (f) All utility connections, street improvements, and any other work performed in the public right-of-way will require a traffic control plan prepared per the City of Signal Hill Public Works Department requirements. The cost of the design and implementation of the traffic control plans shall be borne by the project proponent. See Section 10 of the conditions for more details.

S:\@PRIVATE DEVELOPMENT PROJECTS\Development Projects - by street address\TEMPLE AVE\1933 Temple Ave\COA\Comments_COA 10-15-24.docx
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(g) All trash collection services needed during construction or after project completion shall be obtained from the City’s authorized provider. (h) The applicant/contractor shall be responsible for protecting all existing horizontal and vertical survey controls. Any survey controls disturbed during construction shall be reset per Los Angeles County Surveyor Standards after construction.

3. OVERHEAD UTILITIES
(a) No new overhead facilities are permitted. Under-ground all new dry utilities (electrical, telephone, cable T.V., communications lines, etc.).

4. CONDITIONS, COVENANTS AND RESTRICTIONS (CC & R’S)
The applicant shall be required to establish a homeowners’ association for all the properties within the boundaries of Tentative Tract Map No. 74232. All organizational documents for the project shall be submitted to and approved by the Director of Community Development and the City Attorney prior to Final Map approval and shall be recorded with the Final Map. A copy of the recorded documents shall be submitted to the Community Development Department and kept on file. The Conditions, Covenants and Restrictions (CC & R’s) shall contain the following provisions:
(a) Public Utilities shall not be placed under any enhanced/decorative paving in the interior streets. If they are, and the City needs to excavate to make any repairs to any city portions of utilities; the City’s responsibility will be to put back conventional asphalt or typical concrete. It will be the Home Owner Association’s responsibility to construct the enhanced/decorative paving section.
(b) The Homeowner’s Association must maintain all Source, Structural, and Treatment Control Best Management Practices (e.g., sweep private streets and parking lots, re-apply storm drain system stenciling and signage, cleanout inlet drains, replace inlet filters when broken or degraded) per the approved Low Impact Development Plan’s Maintenance & Operations Manual. The Homeowner’s Association will allow access to the property to city inspectors for routine inspections of the BMP’s to ensure compliance with the approved Low Impact Development Plan and the National Pollutant Discharge Elimination System (NPDES) permit.
(c) The Approved Low Impact Development Plan (LID) shall be attached to the Conditions, Covenants and Restrictions (CC & R’s) for the project.

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5. SEWER CONNECTION/EXTENSION OF DISTRICT’S COLLECTOR SEWER The City of Signal Hill will perform a preliminary review of the applicant’s method of connection to the sewer. Based on the City’s review, a review form will be issued by the City. The applicant is to bring the signed review form to the County Sanitation District of Los Angeles County (District), 1955 Workman Mill Road, Whittier, CA 90601 for any sewer connection information and/or design standards for preparation of a sewer extension or connection permit.

If an extension or capacity upgrade of a collector sewer is required, the applicant shall design and construct the sewer to District’s standards. The applicant is responsible for design and construction costs, reimbursement of District’s design review cost and District’s construction inspection costs. Applicant is required to have an executed agreement with District outlining these financial responsibilities prior to District reviewing the design plans. After construction is completed and approved by District, applicant shall file Notice of Completion and prepare a Bill of Sale in accordance with the agreement.

6. WATER SERVICES
The applicant shall provide an engineering study for any proposed connection to the City water system. The study shall be prepared by a registered civil engineer for approval by the City Engineer. Any infrastructure upgrades necessary to meet the fire code or the domestic water capacity shall be mitigated by developer. The proposed utility connections shall be made to the City water systems in accordance with the City Code, standards and applicable Federal, State and County regulations.

New separate domestic water service(s), fire services, meter(s) and backflow protection device(s) are required per Public Works Standards and shall be sized to meet the minimum requirements set by the California Plumbing Code (CPC).

The new domestic water service(s) shall be a minimum of 1-inch in size. Meters shall be located in the City right of way within parkway adjacent to the sidewalk.

Existing domestic water service(s) and meter(s) are not to be utilized, they shall be properly abandoned by the developer per Public Works Standard Plan No. 409.

The Developer shall hire a properly licensed contractor (General Engineering A license) for the abandonment of existing services, tie-ins and connections to the City water main, and installation of the water services required for the project. The Developer shall contact the water department for the latest water meter specifications, to coordinate inspections, and for any water service shutoffs.

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7. ESTIMATED IMPACT FEES
Applicant shall make a payment to the City of Signal Hill for Water Impact Fees as required by Signal Hill Municipal Code Title 21 prior to Certificate of Occupancy, request for utilities, or final inspection. Please refer to Building Department Conditions of Approval for latest estimated impact fees.

8. AGREEMENT TO INSTALL PUBLIC WORKS IMPROVEMENTS
Applicant shall execute a Subdivision Agreement also referred to as "Agreement to Install Public Works improvements" for construction of street and Right of way improvements, in a form approved by the City Attorney, and post a Surety Bond or cash deposit in the amount approved by the City Engineer. (a) An amount equal to at least one hundred percent (100%) of the estimated cost of improvements as security for faithful performance as determined by the City. (b) An amount equal to at least fifty percent (50%) of the estimated cost of improvements as security for the payment of all persons performing labor and furnishing materials as determined by the City.
(c) An amount equal to at least ten percent (10%) of the estimated cost of improvements to guarantee and warrant the work and improvements for a period of one year as determined by the City.
(d) An amount equal to at least one hundred percent (100%) of the estimated cost of setting monuments as determined by the Subdivider’s engineer.

9. PLAN CHECK DEPOSIT
Applicant shall clear any outstanding balance on existing deposits and submit additional plan check deposit in the amount of $10,000 upon first submittal for Construction Plans prepared by the developer's Registered Engineer. This deposit shall cover all staff time and consultant expenses (consultant invoices are assessed a 20% administrative fee per the City fee schedule) incurred on the project including, but not limited to, plan checking, preparation of staff reports, development meetings, field review, submittal review, and inspections.

10. ENCROACHMENT PERMIT & INSPECTION FEES
Prior to the commencement of any work in the Public right-of-way, applicant shall submit an engineered Traffic Control Plan for review by the City Traffic Engineer, obtain a City business license, submit insurance documents in accordance with the executed “Agreement to Install Public Works Improvements”, and pay all applicable permit fees as required by the City Fee schedule to obtain an Encroachment Permit for the work in the right-of-way. All development construction S:\@PRIVATE DEVELOPMENT PROJECTS\Development Projects - by street address\TEMPLE AVE\1933 Temple Ave\COA\Comments_COA 10-15-24.docx
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plans shall be approved, including any plans submitted to other City departments, prior to permit issuance. All deposits and improvement bonds associated with improvements required by the Public Works Department shall be paid prior to the issuance of permits for construction.

11. STORM WATER POLLUTION PREVENTION
This project will result in soil disturbance of less than 1 acre. An erosion control plan shall be prepared by a qualified stormwater professional or licensed civil engineer subject to review and approval by the City Engineer. Prior to the issuance of a grading permit, the applicant shall submit a completed Owners Certification form (OC-1). This form is available in the Public Works Department. Routine inspections shall be performed during the construction and demolition phase of the project to ensure compliance with LA County MS4 requirements for stormwater pollution prevention. Enforcement action may be taken for any stormwater violations including corrective action requests not completed during the allotted timeframes.

12. STORM WATER POLLUTION PREVENTION/LOW IMPACT DEVELOPMENT (a) Applicant shall submit to the City for review and approval a Low Impact Development (LID) Plan incorporating Best Management Practices (BMP) in conformance with the requirements of the City’s LID manual. Requirements of the LID Plan will include construction of onsite water treatment, and maximization of infiltration except in hillside areas where alternative BMP’S LIDs must be proposed maximizing vegetation and use of biofiltration with underdrains to limit infiltration. Please refer to attached project LID corrective sheet which are incorporated as conditions of approval. (b) Applicant shall demonstrate that all LID and other structural Best Management Practices (BMPs) described in the LID Plan have been constructed and installed in conformance with approved plans and specifications. (c) Applicant shall properly maintain all LID and other structural Best Management Practices (BMPs) installed in new developments, as listed in the approved Low Impact Development Plan (LID Plan).
(d) Applicant shall identify parties responsible for the long-term operation and maintenance of all LID and other structural Best Management Practices (BMPs) for the life of the project and a funding mechanism for operation and maintenance prior to approval of the LID Plan. This shall be identified and recorded with the County Recorder’s office by the property owner or any successive owner.

Resolution No. XXX-10-15
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RESOLUTION NO. XXX-10-15

A RESOLUTION OF THE PLANNING COMMISSION OF

THE CITY OF SIGNAL HILL, CALIFORNIA, APPROVING
SITE PLAN AND DESIGN REVIEW 24-01, A REQUEST TO

DEMOLISH THREE EXISTING GARAGE/STORAGE
STRUCTURES AT 1933 THROUGH 1939 TEMPLE
AVENUE AND CONSTRUCT EIGHT DETACHED SINGLEFAMILY DWELLINGS WITH RELATED SITE IMPROVEMENTS ON AN APPROXIMATE 0.59-ACRE SITE
WHEREAS, on September 22, 2022, the applicant, Guy Alexander as agent for Signal Ventures, LLC, formally filed an application to demolish three existing garage/storage structures at 1933 through 1939 Temple Avenue, and construct eight detached single-family dwellings with related site improvements on an approximate 0.59- acre site; and
WHEREAS, the site is legally described as Lots 11, 12, and 13 of the Price and Peterson Tract, in the City of Signal Hill, County of Los Angeles, State of California, as per map recorded in Book 12, Page 85 of Maps, in the office of the County Recorder of said county. All that portion of Farm Lot 22 of the Alamitos Tract, in the City of Signal Hill, County of Los Angeles, State of California, as shown on map recorded in Book 36,

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County, lying east of a line parallel with and 265.88 feet west of the center line of Temple Avenue and lying north of a line parallel with and 219.56 feet north of the center line of 19th Street, as established on January 20, 1948, and lying southwest of the southwest line of Price and Peterson Tract, as shown on Map recorded in Book 12, Page 85 of maps, records of said County; and
WHEREAS, pursuant to Signal Hill Municipal Code (SHMC) Chapter 20.52, “Site Plan and Design Review,” building placement and design is properly a matter for Planning Commission review and determination; and
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WHEREAS, according to review of available historical data, it appears that the subject property was developed for commercial uses since the 1920s; and WHEREAS, the subject property is located within the southern portion of the Long Beach oil field and the Division of Oil, Gas, and Geothermal Resources (DOGGR) well maps and previous reports indicate that two abandoned oil wells were formerly located onsite – Dabney-Johnston Oil Corporation Well #79 known as “estate of Louise E. Dabney” (API No. 037-09476) located in southwest corner of the site, and the Termo Company Well #3 (API No. 037-11166) located near the southeast corner; and WHEREAS, in compliance with the City’s Oil and Gas Code regarding development on properties with abandoned oil wells, both wells were located, excavated, and tested for methane leaking, then surveyed and a vent cone installed; and WHEREAS, in 2021, a Well Abandonment Report was prepared and approved by the City’s Oil Services Coordinator. However, in accordance with Section

16.24.040 of the City’s Oil and Gas Code, the 24-month validation period has expired, and a new investigation permit and clearance will be required prior to issuance of demolition, building, or grading permits as noted in the Conditions of Approval; and WHEREAS, the Project has been designed to ensure both abandoned wells are accessible in an emergency capacity and that no habitable facilities will be placed on top of or within close proximity to either abandoned well as defined in the City of Signal Hill Code (Section 16.24.050); and
WHEREAS, Well #79 is located near proposed open parking spaces, providing a 10-foot unobstructed radius from the nearest structure and more than 10 feet of clearance from the nearest property lines, allowing for unobstructed access to the wellhead if needed. Similarly, Well #3 is located near proposed open parking spaces, providing a 10-foot radius that is partially unobstructed by a four-foot-tall removable metal picket fence. The fence is designed and installed to be easily removed, ensuring full Resolution No. XXX-10-15
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access to the adjacent wellhead, when necessary, with more than 10 feet of clearance from the nearest property lines; and
WHEREAS, in 2014, the City received an application that included Site Plan and Design Review 16-02 for the development of ten townhome-style condominiums, Tentative Tract Map 74232 for the Courtyard Residential Development, and Zoning Ordinance Amendment 16-03 to create a specific plan allowing deviations from the RH zoning standards; and
WHEREAS, in January 2017, after an extensive planning process, the City Council conducted a public hearing on the project and determined they could not support the combination of deviations included in the specific plan and denied without prejudice Zoning Ordinance Amendment 16-03; and
WHEREAS, in August 2022, the property was sold to the current applicant and after collaboration with planning staff, the applicant submitted a revised proposal with an improved design and a different product type that resulted in:
• A change from a 10-unit condominium development to an eight-lot detached single-family development, and an increased easterly front setback on Temple Avenue to meet the 20-foot minimum required. • A revised site and new floor plan, which enabled the applicant to increase the number of parking spaces to include eight surface parking spaces, one for each dwelling unit and two guest parking spaces. • The lowering of three-story units to two stories, which reduced building heights to below the allowed maximum height of 25 feet and incorporated low slope tile roofs which provided adjacent homeowners to the north improved view and ventilation corridors.
• A new architectural design to provide diversity and address the neighbors’ concerns.

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WHEREAS, due to the extensive history of previous proposals on the project site, the typical outreach process was slightly modified to accommodate community concerns; and
WHEREAS, the view notices were mailed and the existing story poles from the previous project were revised prior to the developer outreach being conducted; and WHEREAS, on October 9, 2023, consistent with the City’s View Policy, view notices were mailed to owners and residents within 500 feet of the site. During the public comment period for the initial proposal, three residents north of the project site expressed concerns, of which two at 1957 Temple Avenue requested a view analysis; and
WHEREAS, in addition to the view notices, outreach letters were sent on November 30, 2023, to adjacent HOA, homeowners, and two property management companies to inform the neighbors about the change of property ownership, and to offer a presentation of the extensively redesigned 2023 project and gather any additional comments; and
WHEREAS, on March 21, 2024, a duly noticed neighborhood meeting was held in the City Council Chamber of City Hall. Two individuals from the neighboring northern property were in attendance. During the meeting, staff provided an overview of the planning process, the applicant presented preliminary plans, and the community members offered feedback. The primary concerns raised from Units 101 and 102 Temple View condominiums included 1) The close distance of the proposed Dwelling Unit 1 second-story roofs from the neighboring northern property’s patios, and 2) The height of the proposed Dwelling Unit 1 second story and roof blocking the view of Temple Avenue from both property’s patios; and
WHEREAS, It was determined that the view impacts for Units 101 and 102 of the Temple View condominiums are neither primary nor secondary and therefore are Resolution No. XXX-10-15
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unprotected views of non-eligible street and sky vistas. Since these views are neither the only views nor of a unique landmark, the report concluded that there is no significant impact; and
WHEREAS, the applicant voluntarily modified the project design particularly for Dwelling Unit 1 located on the northeast portion of the project site in an effort to further reduce project impacts by preserving the non-eligible street and sky views for Units 101 and 102 of the Temple View condominiums; and
WHEREAS, after conducting outreach to those with concerns, no further issues were raised; and
WHEREAS, on October 4, 2024, a notice of a Planning Commission public hearing regarding the proposed project was mailed to all property owners and residents within 500 feet of the subject property, was published in the Signal Tribune newspaper, and was posted in accordance with Signal Hill Municipal Code Section 1.08.010; and WHEREAS, the Planning Commission has recommended City Council adoption of Mitigated Negative Declaration (SCH 2024100062) related to Site Plan and Design Review 24-01, Tentative Tract Map 74232, and Zoning Ordinance Amendment 24-01 in satisfaction of requirements of the California Environmental Quality Act; and WHEREAS, on October 15, 2024, a public hearing was held before the Planning Commission, and all interested parties were given an opportunity to be heard regarding the request; and
WHEREAS, the City has incorporated all comments received and responses thereto.

NOW, THEREFORE, BE IT RESOLVED that the Planning Commission of the City of Signal Hill, California, does hereby find as follows:

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Section 1. The proposed project, subject to the attached conditions, is in conformance with the zoning ordinance, other ordinances and regulations of the City, and the following goals and policies of the General Plan:

Land Use Policy 1.2 – Provide opportunities for a variety of residential densities and housing styles.

Finding regarding Land Use Policy 1.2 – The proposed
residential development provides eight above moderate
(income level) single-family residential dwellings.

Development of the project will assist the City in meeting its Regional Housing Needs Assessment (RHNA) goal for 2021- 2029.

Land Use Policy 1.3 – Support the maintenance of residential areas and encourage in-fill of vacant lots close to transportation, municipal facilities, and shopping opportunities.

Finding regarding Land Use Policy 1.3 – The proposed project is an infill parcel with three existing storage structures onsite.

Finding regarding Land Use Policy 2.6 – Two plugged and abandoned oil wells are present on the project site. Both wells were located, excavated, and tested for methane leaking, Resolution No. XXX-10-15
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then surveyed and a vent cone installed. The project has been designed to ensure both abandoned wells are accessible in an emergency capacity and that no habitable structures will be placed on top of or within close proximity to them. Well #79 is located near proposed open parking spaces, providing a 10-foot unobstructed radius from the nearest structure and more than 10 feet of clearance from the nearest property lines, allowing for unobstructed access to the wellhead if needed.

Similarly, Well #3 is located near proposed open parking spaces, providing a 10-foot radius that is partially
unobstructed by a four-foot-tall removable metal picket fence.

The fence is designed and installed to be easily removed, ensuring full access to the adjacent wellhead, when
necessary, with more than 10 feet of clearance from the nearest property lines.

LAND USE ELEMENT GOAL 3 – Assure a safe, healthy, and
aesthetically pleasing community for residents and businesses.

Land Use Policy 3.7 – Maintain and enhance the quality of residential neighborhoods.

Finding regarding Land Use Policy 3.7 – The proposed project is an infill site that will replace three existing, dilapidated buildings previously used for storage. The dwelling units feature a modern, simplified Spanish style architecture including concrete tiled roofs, fine textured stucco finish, decorative Bermuda style awnings, metal window flower
shelves, accent iron cross bars, forged steel baluster railings, and Arto Tile Arabesque accent tiles. The development
incorporates architectural diversity by providing three exterior elevation designs and two different color schemes. There are four variations of entry porches, four entry door designs, three garage door styles, and several overhang roof style and rooftop configurations, all featuring photovoltaic solar structures.

Land Use Policy 3.18 – Minimize the impacts of stormwater runoff to the maximum extent practicable on the biology, water quality and integrity of natural drainage systems and water bodies.

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Courtyard applicant to secure an agreement for shared sewer and stormwater facilities. The stormwater and sewer from the Smart Homes property will be collected via separate
stormwater and sewer lines in compliance with the County of Los Angeles Department of Public Works and discharged
toward Temple Avenue within a six-foot-wide public service easement. This easement between the two parties has been approved by the City Engineer and was recently recorded for the purpose of installing, maintaining, repairing, renewing, and replacing an underground sanitary sewer line, sump
pump, and stormwater drain line. Additionally, the proposed project includes a stormwater drainage and erosion control system designed to manage stormwater runoff from both
sites. The system features a series of inlet drains, catch basins, a trench drain, and permeable pavement that directs water into an underground modular polypropylene “CUDO”
storage system. The project will comply with the City’s Low Impact Development (LID) standards which requires that the site must be treated with LID Best Management Practices prior to discharge.

Land Use Policy 3.19 – Maximize to the extent possible the percentage of permeable surfaces to allow more percolation of stormwater runoff into the ground.

Finding regarding Land Use Policy 3.19 – The project includes landscaped backyards and common areas. The private
driveway, surface parking, and rear yard patios have been designed to use decorative permeable pavers to allow for percolation of stormwater on-site.

CIRCULATION ELEMENT GOAL 1 – Ensure that new development results in the preservation and enhancement of the City’s circulation system.

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The project meets this requirement by providing the
necessary two guest parking spaces.

HOUSING ELEMENT GOAL 1 – Accommodate the housing needs of all income groups as quantified by Regional Housing Needs Assessment.

Housing Element 2021-2029 Program Category #1 Goal – Accommodate the housing needs of all income groups as quantified by Regional Housing Needs Assessment.

Finding regarding 2021-2029 Program Category #1 Goal –
Development of eight new single-family detached dwelling units sold at market rate will assist the City in meeting its 188 above moderate-income Regional Housing Needs
Assessment. The project’s development will be reported with the City’s annual progress report which is sent to the State Department of Housing and Community Development when
the building permits are issued.

Section 2. The proposed project is in conformance with any redevelopment agency or successor agency and any executed owner’s participation agreement or disposition and development agreement.

Section 3. Subject to the attached conditions, the following will be arranged as to avoid traffic congestion, to ensure the public health and safety and general welfare, and to prevent adverse effects on surrounding properties: facilities and improvements; pedestrian and vehicular ingress, egress and internal circulation; setbacks; height of building and structures; signs; mechanical and utility service equipment; landscaping; grading; lighting; parking; drainage; and intensity of the land use.

Section 4. The topography is suitable for the proposed site plan and the site plan, subject to the attached conditions, is suitable for the use intended.

Section 5. The proposed development provides for appropriate exterior building design and appearance consistent with and complementary to present and proposed buildings and structures in the vicinity of the subject project, while still providing for a variety of designs, forms and treatments.

Section 6. The proposed project Identification wall sign is 14.7 square feet in size and 2’-8” in height. In accordance with the City’s municipal code, the project is permitted to have one wall sign with a maximum area of 20 square feet and a height of three feet, As proposed, the project identification wall sign is consistent with the provisions of Chapter 20.52, Site Plan and Design Review, and the provisions of Chapter 20.58, Signs.

Section 7. The Project Identification wall sign is consistent and Resolution No. XXX-10-15
October 15, 2024

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compatible with the visual image and architectural design of the overall project it is intended to serve.

Section 8. The Project Identification sign scale is in proportion with project and other aspects of the project development as well as surrounding development.

Section 9. The Project Identification wall sign will not conflict with or interfere visually with other signage on-site, and to the extent feasible, signage off-site.

Section 10. The Project Identification sign includes cast metal flushmounted letters in a dark oxidized bronze color selected for durability, wear characteristics, ease of maintenance and initial beauty.

NOW, THEREFORE, BE IT FURTHER RESOLVED, that the Planning Commission of the City of Signal Hill, California, does hereby approve Site Plan and Design Review 24-01, subject to the Conditions of Approval attached hereto as Exhibit A.

PASSED, APPROVED AND ADOPTED at a regular meeting of the Planning Commission of the City of Signal Hill, California held on the 15th day of October, 2024.
________________________________

SONIA SAVOULIAN
CHAIR
ATTEST:
___________________________
COLLEEN T. DOAN

COMMISSION SECRETARY
Resolution No. XXX-10-15
October 15, 2024

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STATE OF CALIFORNIA )
COUNTY OF LOS ANGELES ) ss.

AYES:

NOES:

ABSENT:

ABSTAIN:

COLLEEN T. DOAN

COMMISSION SECRETARY
Site Plan and Design Review 24-01
Recommended Conditions of Approval
Project: The Courtyard Specific Plan (SP-21)
Location: 1933 through 1939 Temple Avenue (APN 7216-020-011 and 7216-021- 002)
Applicant/Agent: Guy Alexander – Signal Ventures, LLC
Property Owner: Signal Ventures, LLC

1. The property owner/applicant shall indemnify, protect, defend, and hold the City of Signal Hill (City), and/or any of its officials, officers, employees, agents, departments, agencies, and instrumentalities thereof, harmless from any and all claims, demands, lawsuits, writs of mandamus, and other actions and proceedings (whether legal, equitable, declaratory, administrative or adjudicatory in nature), and alternative dispute resolution procedures (including, but not limited to arbitrations, mediations, and other such procedures), judgments, orders, and decisions (collectively “Actions”), brought against the City, and/or any of its officials, officers, employees, agents, departments, agencies, and instrumentalities thereof, that challenge, attack, or seek to modify, set aside, void, or annul, any action of, or any permit or approval issued by the City and/or any of its officials, officers, employees, agents, departments, agencies, and instrumentalities thereof (including actions approved by the voters of the City) for or concerning the project, whether such Actions are brought under the Ralph M. Brown Act, California Environmental Quality Act, the Planning and Zoning Law, the Subdivision Map Act, Community Redevelopment Law, Code of Civil Procedure Sections 1085 or 1094.5, or any other federal, state, or local constitution, statute, law, ordinance, charter, rule, regulation, or any decision of a court of competent jurisdiction. It is expressly agreed that the City shall have the right to approve, which approval will not be unreasonably withheld, the legal counsel providing the City’s defense, and that property owner/operator shall reimburse City for any costs and expenses directly and necessarily incurred by the City in the course of the defense. City shall promptly notify the applicant of any Action brought and City shall cooperate with applicant in the defense of the Action. This provision to indemnify shall survive the expiration, termination, suspension or revocation of this permit.

2. The project shall substantially conform to the site and building plans on file with the Community Development Department, as herein or as modified by the Planning Commission. It shall be the responsibility of the developer, the architect and the contractor to develop the project consistent with the aforementioned plans.

Any substantial modification to the approved site and building plans shall be subject to approval of the Planning Commission.

Exhibit A

3. The applicant shall pay building plan check and permit fees as estimated in Exhibit B and comply with all Public Works Improvements conditions as shown in Exhibit C attached hereto. Fee amounts are based on the current fee schedule and are subject to change.

4. Pursuant to Section 20.52.060.A of the Signal Hill Municipal Code, construction of the improvements set forth in the approved site plan shall be commenced within one year from the date the approved site plan is signed by the Director of Community Development. Thereafter, the Site Plan and Design Review approval shall expire and become null and void, unless a written request for extension is received by the Director of Community Development at least thirty days prior to such expiration. Thereafter, the Site Plan and Design Review approval shall be subject to extensions as provided in Signal Hill Municipal Code Section

20.52.060.A.

5. Pursuant to Section 20.52.085 of the Signal Hill Municipal Code, after a building, grading, or demolition permit has been issued authorizing work at any sites, the site shall be secured and screened to the satisfaction of the Building Official.

6. Pursuant to Section 20.52.100 of the Signal Hill Municipal Code, the Building Official or Director of Community Development may deem any building, grading, or demolition permit to be null and void if a Certificate of Occupancy has not been issued within 180 days, starting from the date of issuance of the first building, grading or demolition permit for the project. Construction time periods may be extended as provided in Section 20.52.110 in accordance with the procedures specified therein.

7. Pursuant to Section 20.52.040.C. of the Signal Hill Municipal Code, the applicant shall submit operational plans for any model homes for review by the Planning Commission and Fire Department. Signs associated with the model homes shall be included and meet the size and height requirements of the City’s Sign Code.

Within ninety (90) days after the termination of the use of the subject property as a model home and real estate sales office, the applicant shall remove, relocate or revise the parking lot, signs, all temporary fencing, the sales office and the model homes signs as necessary to comply with the current applicable zoning regulations.

8. Approval of Site Plan and Design Review 24-01 is subject to City Council approval of Zoning Ordinance Amendment 24-01 and Tentative Tract Map No. 74232.

9. The applicant shall comply with the mitigation measure(s) within the approved Mitigated Negative Declaration SCH #2024100062 as provided in Exhibit D attached hereto.

10.The applicant shall comply with Chapter 16.24 Development Standards for Properties Containing Abandoned Wells, of the Signal Hill Municipal Code.

Prior to issuance of building permits, the applicant shall satisfactorily address all of the following as required by the Planning Department:

11.A licensed Landscape Architect shall prepare the plans and submit the required number of digital and hard copies to the City of Signal Hill Planning Department.

12.The landscape construction plans shall be in substantial conformance with the preliminary landscape plans as approved by the City’s Landscape Architect, City Administrative Staff, Planning Commission and/or City Council. Notes, details, and specifications shall be included. All items required per the City’s Landscape Documentation Package Requirements shall be provided.

13.It is the responsibility of the landscape architect to be aware of and comply with the requirements and standards of Chapter 13.10 Water Conservation in Landscaping - of Signal Hill’s Municipal Code, the City’s current policies, and current State of California water efficient landscape requirements.

14.It is the responsibility of the applicant and owner’s design team to be aware of and comply with the layout and landscape requirements and standards for Off-Street parking landscaping according to Chapter 20.70 of the Signal Hill’s Municipal Code.

15.It is the responsibility of the applicant and owner’s design team to be aware of and comply with the requirements and standards for New Street Tree Planting, according to Chapter 12.05 Tree Planting Standards.

16.A minimum three-inch layer of mulch shall be applied on all exposed soil surfaces of planting areas, except in turf areas, creeping or rooting groundcovers, or direct seeding applications where mulch is contraindicated.

17.All planter areas shall be fully planted with groundcover, shrubs, and trees. All shrubs and groundcover shall be spaced to infill fully by two (2) years from installation.

18.All slopes shall be fully planted with an erosion control groundcover, as well as slope-stabilizing shrub and trees. All slope shrubs and groundcover shall be spaced to infill fully by one (1) year from installation.

19.All planter areas shall provide a minimum five (5) feet wide planter area clear of curbs, concrete step-out strips, walkways, walls, footings, and overhead supports.

20.Provide canopy shade trees at parking spaces no farther than 20-30 feet on center to provide shade at 15 year growth. Tree symbols are to be shown at species’ 15- year growth.

21.Perimeter landscape design shall coordinate with surrounding properties. Select street trees to match adjacent existing or approved species. Shrub and ground cover selections are to match or complement adjacent developments.

22.Provide enhanced corner planting using specimen trees and accent shrubs that do not conflict with vehicular line of sight. Limit plants and obstructions within the corner cut-off area to a maximum of 36” high.

23.Avoid plants that require cutting back to keep them within a specific area or at a trimmed height. Carefully select and locate plants where they will be allowed to grow to maturity and keep their natural shape.

24.Avoid trees with root damage potential in planters directly adjacent to and within parking lot areas. Carefully select parking lot trees with low root damage potential, that will fit within the proposed planter width at full maturity, and with broad canopy to maximize shade coverage over parking stalls.

25.Plant materials within vehicular line of sight impact areas are to be limited to a maximum of 36” natural height. Impact areas include but are not limited to project entries, drive aisles, and parking lot island planters.

26.Linear root barriers shall be installed for all trees located within five (5) feet of paving and within ten (10) feet of city sidewalks.

27.Above ground utilities shall be located in shrub areas and screened as required from public view. Fire equipment shall have a setback of ten (10) feet, or as otherwise permitted, where only low growing ground covers shall be planted.

28.Utilities and light standard locations shall be coordinated with Owner’s engineering team to avoid conflicts with required tree locations and utility screening.

29.An opaque shrub screen shall be installed along all drive aisles and parking areas abutting public streets and rights-of-way to reduce the impact of headlight glare outside project bounds. The screening shall have a height of not less than thirty (30) inches and not more than forty-two (42) inches at maturity. The City’s Community Development Director or Landscape Architect may require upsizing of screening shrubs to 15 gallon to provide immediate screening. Screening shrubs shall be spaced as closely as feasible while still allowing for healthy long-term growth and condition at maturity, based on plant species and variety.

30.All landscape and irrigation improvements to be maintained by the property owner and/or property owner’s association. Property owner shall supply water to all adjacent existing street trees and parkway planting along project frontage.

31.A tree report prepared by an ISA-certified arborist shall be provided to the City with the landscape permit set. The tree report shall identify all existing trees located in both the onsite and offsite areas associated with the project.

32.The report shall identify the general condition of trees, diameter, and any required mitigation based on the City’s tree ordinance. If the right-of-way trees are in poor health necessitating removal, applicant shall work directly with Public Works to determine the number of replacement trees, species, and locations. Trees and all obstructions greater than 36” shall be located outside of the limited sight area at the corner, for safety purposes.

33.If any mitigation is required, a summary of mitigation required and provided shall be included within the plan set demonstrating compliance.

34.The project shall comply with all local requirements required to methane mitigation and enlist an environmental consultant familiar with methane gas venting.

Landscape for the project shall be coordinated with any required vents and related infrastructures. Plans shall indicate any required vents and show location of underground elements which would impact the location of trees onsite.

Impermeable hardscape adjacent to buildings should be minimized and substituted for permeable hardscape wherever feasible to avoid the build-up of gases below impermeable surfaces.

35.Trees shall be shown at mature diameter (approximately 15 years growth) and mature canopy shall not extend into any neighboring parcels. Trees will be located to not infringe upon neighboring parcel’s solar access.

36.Turf shall be limited to areas of active use. For passive areas, a low water lawn alternative is recommended. Warm season grass may be used if desired provided the water calculations for the site do not exceed the maximum allowable water allotment for the site.

37.All wellhead locations shall be shown on the plan, as well as required setbacks and clearances at well heads. Permit landscape plan shall clearly identify these items, and all landscaping shall be arranged to maintain setback clearance areas.

38.Parkway planting shall be provided and shall follow the City’s Parkway Design Guide.

39.The following notes shall be included on the final plans:
a) All exposed metal flashing or trim shall be anodized or painted to match the building.
b) Final adequacy of landscape materials shall be subject to field inspection by the Community Development Department; additional landscaping deemed necessary upon inspection shall be installed by the applicant at his/her sole expense.
c) Exterior colors and materials shall be specified on the plans and be consistent with the color boards on file in the Community Development Department.
d) Street address numbers, which are visible from the street and private driveway, shall be provided.
e) Exterior lighting shall be shielded and directed so as to not interfere with adjacent properties.
f) All areas of a lot to be used for the purpose of parking, loading, storage or access to any parking, loading or storage area shall be graded, surfaced, drained, and marked in accordance with all city standards and the provisions of this title.
g) Parking stalls shall be clearly delineated by striping not less than three inches wide and appropriately labeled for loading, handicapped, etc., where necessary.
h) Wheel stops and/or six-inch concrete curb shall be required for all parking stalls. Directional arrows and signs shall be placed on and off-site where required by the city engineer.

40.The garages shall include automatic garage door openers and include 72 cubic feet of storage area.

41.The applicant shall be responsible for constructing the Smart Homes retaining wall along the northern property line if the property owner of the Smart Homes development fails to fulfill its obligation to do so. The approximately 98 linear foot wall must be built in accordance with the Smart Homes development approved plans and meet all relevant building codes and standards. Prior to commencing construction, the applicant must provide documentation confirming that the Smart Home development has completed the required work.

42.Submit a lighting plan for review and approval by the Community Development Director.

43.The landscape plan shall be approved by the City’s Landscape Architect and the Community Development Director. Exterior lighting should illuminate parking, pedestrian areas, building entrances, and landscaping. All exterior lighting shall be shielded, hooded and so arranged as to prevent a nuisance to surrounding or nearby properties from occurring, including public rights-of-way.

44.Trash and recyclable materials enclosure areas shall be provided of sufficient size to ensure containment of all solid waste materials generated from each dwelling, and to promote the City's recycling program. The number and size of the enclosure(s) and service shall be coordinated with Signal Hill Disposal.

45.All trash and mechanical equipment shall be screened from view. Privacy gates that complement the proposed entry gate materials must be approved by the Community Development Director.

46.Submit a plan showing the location of utility boxes and vaults that have been approved by Southern California Edison subject to the approval of the Director of Community Development. The location of the utility boxes shall not be in high profile locations and shall be adequately screened from the public view.

Prior to issuance of building permits, the applicant shall satisfactorily address all of the following as required by the Building Department:

47.Submit three complete sets of construction plans to the City for review and approval demonstrating compliance with the 2024 California Building Codes including: buildings, fences/walls, landscaping and equipment foundations/slabs and pits, submit two sets structural engineering (seismic zone 4) and equipment specifications.

48.Submit a soils report prepared by a registered soils engineer and implement the recommendations contained in the report.

49.All new and existing on-site utilities must underground utilities (electrical, telephone, cable television).

50.Submit a separate site plan showing all easement areas.

51.Submit a soils management plan to provide guidance to building contractors in the event that discolored or odiferous soils are discovered during on-site excavation and grading activities.

52.Prior to issuance of grading permit, provide confirmation that grading construction activities comply with AQMD Rule 403 for dust and emissions control.

53.All dwellings shall be provided with separate gas, electrical, water meters. All new gas meter locations must be approved by the City of Long Beach Gas and Oil Department. All new electrical meter locations must be approved by Southern California Edison. All new water meter locations must be approved by the Water Department.

54.All dwellings shall be provided with separate water meters for each house.

55.Fire sprinklers shall be required under the California Building Code. The applicant shall submit to the City a copy of the plans stamped “approved” by the Los Angeles County Fire Department.

56.Install one (1) public fire hydrant as noted by the Los Angeles County Fire Department. All required public fire hydrants shall be installed, tested, and accepted prior to beginning construction. All fire hydrants shall measure 6” X 4” X 2-1/2” brass or bronze, conforming to current AWWA standard C503 or approved equal, and shall be installed in accordance with the County of Los Angeles Fire Code. Fire Code 501.4. The Fire Flow Availability shall demonstrate the required fire flow for public hydrants to be 500 gallons per minute (GPM) at 20 psi for a duration of 2 hours.

57.Provide a well exhibit to identify all active wells within a 100’ radius of any residential structure for review by LA County Fire pursuant to the LA County Fire Code section 7904.3.2.3.

58.Pursuant to Section 16.24.080.B of the Signal Hill Municipal Code, a methane site assessment permit is required on all development sites where construction permits are required. No methane site assessments shall be conducted without a permit and an approved work plan issued by the Oil Services Coordinator.

59.Pursuant to Section 16.24.080.C of the Signal Hill Municipal Code, the methane site assessment shall be conducted to the satisfaction of the Oil Services Coordinator and in accordance with the city’s “methane assessment minimum requirements standard” on file in the Community Development Department and publicly available. The assessment report shall be signed and stamped by a State of California registered geologist and submitted for review to the Oil Services Coordinator. Methane assessment shall be conducted no less than 30 days following any soils disturbance on the site.

60.Pursuant to Section16.24.080.D of the Signal Hill Municipal Code, if the methane site assessment requires mitigation, a methane mitigation plan shall be prepared in accordance with the city’s “methane mitigation minimum requirements standard” on file in the Community Development Department and publicly available. The methane mitigation plans shall be submitted for review and approval by the Oil Services Coordinator prior to the issuance of a grading or building permit.

61.Due to the presence of the two abandoned oil wells located within 100 feet of the proposed developments, the investigative findings, and the City’s methane mitigation requirements (City of Signal Hill, Community Development Department, Methane Mitigation System (December 12, 2023), a Modified Active Methane Mitigation System including the following features would be installed as part of the Project as proposed by the City’s Environmental Consultant:
a) An impermeable membrane such as Liquid Boot would be required to be installed sub slab and shall be placed in between geotextile and geo cloth per manufacturer's specifications to protect it from the gravel blanket below and sand above.
b) A minimum 2-inch gravel blanket is required underneath the impermeable membrane.
c) Horizonal slotted vent pipe(s) shall be placed in the gravel blanket. d) The horizontal vent pipe(s) shall be tied into vertical cast iron vent pipe risers (typically placed in between the interior and exterior walls of the structure), no greater than 100 feet apart.
e) The number of vertical vent pipe risers shall be doubled from the requirements of the passive system; vertical vent risers shall extend a minimum of three feet above slope of roof line and shall terminate not less than 10 feet from any opening into the structure in every direction. f) Conduit and cable seal(s) and trench dam(s) shall be installed. g) Signage on vertical vent pipe risers identifying the vent risers as a methane mitigation system shall be required.
h) Hardscape and landscape areas shall provide methane mitigation as follows:
i. Paved areas greater than 5,000 sf. within 15 feet of the exterior of the proposed development require venting.
ii. The surface level vents shall be spaced no greater than 100 feet apart and shall consist (subgrade) of a minimum of 12 inches (width) of exposed ¾-inch rock on top of exposed soil; the exposed rock shall have a minimum height of one foot; the rock shall be contained vertically subgrade and shall be protected at the surface. iii. Methane vent boxes in hardscape shall be 18 inch by 18 inch concrete traffic rated bottomless catch basins filled with ¾ inch gravel, the rock shall rest on soil, the vent box shall have a concrete collar +/- 6 inch width by inch depth all the way around extending above the surface and sloped to prevent water infiltration with a 14 inch by 14 inch by 1” thick traffic rated grate on top. iv. Surface level vents shall not be placed at areas of low site elevation.

Along two sites of the landscaped areas contiguous to the exterior of the proposed development may eliminate the need to vent continuous paving.
v. Vertical vent risers to allow methane to vent from well-heads shall extend a minimum of 10 feet above grade.
vi. Signage indicating surface level vents in hardscape and landscaped areas are for purposes of methane mitigation shall be posted.

62.Pursuant to Section 8.08.055 of the Signal Hill Municipal Code, submit a plan for review and approval of the Building Official that complies with the AQMD Rule 1403 and demonstrates that at least 65% of the construction and demolition debris generated by the project is recycled/diverted to comply with the State-mandated waste diversion requirements pursuant to SHMC 8.08.055 and CALGreen Sections 4.408 and 5.408. A contractor producing construction and demolition debris shall contract with the City’s refuse contractor for the removal of the debris, or with approval from the City, shall self-haul the debris to an approved disposal site. Prior to receiving a permit from the City for construction or demolition, the contractor shall develop and submit a plan to recycle and salvage the projected construction and demolition debris to the greatest extent feasible. The recycling plan may include source-separated recycling, mixed debris recycling, salvaging and disposal of non-recyclables and non-salvageable debris. Include a note on the building plans that EDCO disposal service will be used and is required as the exclusive franchise refuse hauler for the City. Failure to comply with the approved plan may result in enforcement action from the Public Works Department.

63.Prior to demolition of onsite structures, ACBM materials should be properly abated and disposed of by a licensed abatement contractor.

Prior to issuance of building permits, the applicant shall satisfactorily address all of the following as required by the Public Works/Engineering Department:

64.Comply with all Public Works requirements in Exhibit C of the recommended Conditions of Approval for Site Plan and Design Review 24-01 pursuant to the approval of the City Engineer.
a) Prior to issuance of any permits (grading, excavation, etc.) all improvement plans (street, sewer, water, alley, grading, etc.), all dedication/vacation drawings, must be approved to the satisfaction of the City Engineer. b) Provide documentation that all existing utility and pipeline easements across the property, affecting the development of the property, have been relinquished or abandoned.
c) The developer/applicant shall be responsible for the maintenance, repair and replacement of off-site improvements abutting the project boundary during construction of the on-site improvements until final inspection of the on-site improvements by the City and one-year following the improvements in accordance with the Subdivision Agreement. Any such off-site improvements found damaged by the construction of the on-site improvements shall be repaired or replaced by the developer/applicant to the satisfaction of the City Engineer.
d) Construction Plans for Grading, Storm Drain, Low Impact Development, street improvement, sewer connection, dry utilities connection, water improvement, and erosion control shall be prepared by a registered engineer, at a minimum scale of 1” = 40’, and on 24” by 36” sheets.

Proposed improvements shall be designed and constructed per City Public Works Standards.
e) Any existing improvements in the public right-of-way, adjacent to project parcel frontage, that are not in compliance with the Americans with Disabilities Act (ADA) shall be removed and reconstructed or added to meet the ADA requirements and must comply with City Standards f) All existing public facilities in conflict with new improvements shall be relocated at no cost to the City. The property owner shall dedicate, or cause to be dedicated all easements needed to accommodate the relocation, modification or installation of facilities to be maintained by the City or any public utility company.

65.The applicant shall submit a Grading Plan prepared by a registered Civil Engineer, on City Title Block Mylar, subject to the review and approval of the City Engineer.

66.The applicant shall submit a Street Improvement Plan prepared by a registered Civil Engineer, on City Title Block, subject to the review and approval of the City Engineer. Applicant shall construct the following Public Works Street Improvements (per approved plans & City Standards):
a) Construct Driveway Approach along Temple Avenue frontage to comply with ADA (American with Disabilities Act) and per City Standard Plans. b) Construct new Parkway Landscaping with irrigation per City parkway design guidelines.
c) Install 2 Street trees planted in deep root control boxes with irrigation. Type of Tree shall follow 2023 Street Tree Master Plan.
d) Remove existing driveway and replace with full height curb and gutter and install new 5-foot width sidewalk per City standard plans along property frontage and connecting to the existing adjacent sidewalks. e) Restore street pavement with a 2” grind and overlay to minimum of Temple Avenue centerline (final restoration limits shall vary with utility trenching) within the property frontage limits and connecting to adjacent street pavement. Asphalt pavement submittals shall be approved by the Public Works Department. Restore any damaged or marred pavement striping and markings at the completion of the offsite improvements. f) All utility connections, street improvements, and any other work performed in the public right-of-way will require a traffic control plan prepared per the City of Signal Hill Public Works Department requirements. The cost of the design and implementation of the traffic control plans shall be borne by the project proponent. See Section 10 of the conditions for more details. g) All trash collection services needed during construction or after project completion shall be obtained from the City’s authorized provider. h) The applicant/contractor shall be responsible for protecting all existing horizontal and vertical survey controls. Any survey controls disturbed during construction shall be reset per Los Angeles County Surveyor Standards after construction.

67.No new overhead facilities are permitted. Under-ground all new dry utilities (electrical, telephone, cable T.V., communications lines, etc.).

68.The City of Signal Hill will perform a preliminary review of the applicant’s method of connection to the sewer. Based on the City’s review, a review form will be issued by the City. The applicant is to bring the signed review form to the County Sanitation District of Los Angeles County (District), 1955 Workman Mill Road, Whittier, CA 90601 for any sewer connection information and/or design standards for preparation of a sewer extension or connection permit.

If an extension or capacity upgrade of a collector sewer is required, the applicant shall design and construct the sewer to District’s standards. The applicant is responsible for design and construction costs, reimbursement of District’s design review cost and District’s construction inspection costs. The applicant is required to have an executed agreement with District outlining these financial responsibilities prior to District reviewing the design plans. After construction is completed and approved by District, applicant shall file Notice of Completion and prepare a Bill of Sale in accordance with the agreement.

69.The applicant shall provide an engineering study for any proposed connection to the City water system. The study shall be prepared by a registered civil engineer for approval by the City Engineer. Any infrastructure upgrades necessary to meet the fire code or the domestic water capacity shall be mitigated by the developer.

The proposed utility connections shall be made to the City water systems in accordance with the City Code, standards and applicable Federal, State and County regulations.

The new domestic water service(s) shall be a minimum of 1-inch in size. Meters shall be located in the City right of way within the parkway adjacent to the sidewalk.

Existing domestic water service(s) and meter(s) are not to be utilized, they shall be properly abandoned by the developer per Public Works Standard Plan No. 409.

70.The applicant shall execute a Subdivision Agreement also referred to as "Agreement to Install Public Works improvements" for construction of street and Right of way improvements, in a form approved by the City Attorney, and post a Surety Bond or cash deposit in the amount approved by the City Engineer. a) An amount equal to at least one hundred percent (100%) of the estimated cost of improvements as security for faithful performance as determined by the City.
b) An amount equal to at least fifty percent (50%) of the estimated cost of improvements as security for the payment of all persons performing labor and furnishing materials as determined by the City.
c) An amount equal to at least ten percent (10%) of the estimated cost of improvements to guarantee and warrant the work and improvements for a period of one year as determined by the City.
d) An amount equal to at least one hundred percent (100%) of the estimated cost of setting monuments as determined by the Subdivider’s engineer.

71.The applicant shall clear any outstanding balance on existing deposits and submit additional plan check deposit in the amount of $10,000 upon first submittal for Construction Plans prepared by the developer's Registered Engineer. This deposit shall cover all staff time and consultant expenses (consultant invoices are assessed a 20% administrative fee per the City fee schedule) incurred on the project including, but not limited to, plan checking, preparation of staff reports, development meetings, field review, submittal review, and inspections.

72.Prior to the commencement of any work in the Public right-of-way, applicant shall submit an engineered Traffic Control Plan for review by the City Traffic Engineer, obtain a City business license, submit insurance documents in accordance with the executed “Agreement to Install Public Works Improvements”, and pay all applicable permit fees as required by the City Fee schedule to obtain an Encroachment Permit for the work in the right-of-way. All development construction plans shall be approved, including any plans submitted to other City departments, prior to permit issuance. All deposits and improvement bonds associated with improvements required by the Public Works Department shall be paid prior to the issuance of permits for construction.

73.This project will result in soil disturbance of less than 1 acre. An erosion control plan shall be prepared by a qualified stormwater professional or licensed civil engineer subject to review and approval by the City Engineer. Prior to the issuance of a grading permit, the applicant shall submit a completed Owners Certification form (OC-1). This form is available in the Public Works Department. Routine inspections shall be performed during the construction and demolition phase of the project to ensure compliance with LA County MS4 requirements for stormwater pollution prevention. Enforcement action may be taken for any stormwater violations including corrective action requests not completed during the allotted timeframes.

74.The applicant shall submit to the City for review and approval a Low Impact Development (LID) Plan incorporating Best Management Practices (BMP) in conformance with the requirements of the City’s LID manual. a) Requirements of the LID Plan will include construction of onsite water treatment, and maximization of infiltration except in hillside areas where alternative BMP’S LIDs must be proposed maximizing vegetation and use of biofiltration with underdrains to limit infiltration. Please refer to attached project LID corrective sheet which are incorporated as conditions of approval.
b) The applicant shall demonstrate that all LID and other structural Best Management Practices (BMPs) described in the LID Plan have been constructed and installed in conformance with approved plans and specifications.
c) The applicant shall properly maintain all LID and other structural Best Management Practices (BMPs) installed in new developments, as listed in the approved Low Impact Development Plan (LID Plan).
d) The applicant shall identify parties responsible for the long-term operation and maintenance of all LID and other structural Best Management Practices (BMPs) for the life of the project and a funding mechanism for operation and maintenance prior to approval of the LID Plan. This shall be identified and recorded with the County Recorder’s office by the property owner or any successive owner.

Prior to issuance of certificate of occupancy, the applicant shall satisfactorily address all of the following as required by the Planning Department:

75.All required landscaping and irrigation systems shall be installed in a condition acceptable to the City. The owner’s Landscape Architect shall provide inspections throughout the landscape installation process. The owner shall provide the City’s Assigned Planner with a Landscape Certificate of Completion documentation package at the time of final inspection request. The City will review the Certificate of Completion and conduct a final inspection to ensure that the landscape installation is in compliance with all City policies, practices and the approved landscape plans. The Certificate of Completion shall be complete with irrigation water audit, irrigation schedules, landscape maintenance schedules, and soil management report.

76.Applicant shall make a payment to the City of Signal Hill for Water Impact Fees as required by Signal Hill Municipal Code Title 21 prior to Certificate of Occupancy, request for utilities, or final inspection. Please refer to Building Department Conditions of Approval for latest estimated impact fees.

Prior to issuance of certificate of occupancy, the applicant shall satisfactorily address all of the following as required by the Building Department:

77.It is the applicant’s responsibility to contact the Division of Oil, Gas, and Geothermal Resources (DOGGR) directly to inquire about the requirements for participation in the Construction Site Plan Review Program.

78.Submit pad elevation and building location verifications stamped by a licensed surveyor or civil engineer prior to requesting a foundation inspection. The pad elevation and building locations shall be substantially consistent with those shown on the approved plans.

79.Developer must install a sewer lateral clean-out in an easily accessible location between the house and sewer main.

80.Submit a separate as-built site plan showing all on-site underground utilities electrical, sewer and plumbing including connection points, manholes and cleanouts.

81.Provide Los Angeles County Fire Department or City approved building access numbers prior to occupancy.

82.Submit proof of payment for School Impact Fees in an amount to be calculated by the Long Beach Unified School District, consistent with the State Law and District Policy.

83.Pursuant to Chapters 21.40, 21.44 and 21.48 of the Signal Hill Municipal Code, the project is subject to Development Impact Fees as estimated in the attached worksheet (Exhibit B). Prior to the issuance of a Certificate of Occupancy, the applicant shall pay the following:
a) A Parks and Recreation Impact Fee in the amount of $204,336.00 -- pursuant to Signal Hill Municipal Code Chapter 21.40, "Parks and Recreation Impact Fees," (the amount is adjusted annually). b) A Water Impact Fee in the amount of $217,216.00 -- pursuant to Signal Hill Municipal Code Chapter 21.44, "Water System Impact Fee," (the amount is adjusted annually).
c) A Traffic Impact Fee in the amount of $5,476.48 -- pursuant to Signal Hill Municipal Code Chapter 21.48, "Traffic Impact Fees," (the amount is adjusted annually).

Note: Fee amounts are based on the current fee schedule and are subject to change. Additional fees may apply for outside agencies: LA County Sanitation District, LA County Fire Department, Long Beach Unified School District and City consultant’s fees for elevator inspections, NPDES and Methane Mitigation.

84.Prior to the issuance of the Certificate of Occupancy, contractor/developer shall provide an invoice or other similar documentation from the City’s refuse contractor or a State-certified disposal facility that indicates the type of material(s) disposed, the total tonnage of debris disposed and the estimated percentage of recyclable materials for each load of debris removed from the construction site. The name of the disposal facility and their contact information shall be clearly identifiable on the invoice that is submitted to the Public Works Department for review.

85.Public Works requirements shall be complied with, pursuant to the approval of the City Engineer (Exhibit C).

Prior to issuance of certificate of occupancy, the applicant shall satisfactorily address all of the following as required by the Planning Department:

86.Pursuant to Signal Hill Municipal Code 13.10.130, submit a certificate of completion for landscaping and irrigation. The certificate shall include project information sheets, certification by the signer of the landscape design plan, the signer of the irrigation design plan, or the licensed landscape contractor that the project has been installed per the approved landscape documentation package, irrigation scheduling parameters used to set the controllers, landscape and irrigation maintenance schedule, irrigation audit report conducted by a local agency irrigation auditor or third party certified landscape contractor and soils analysis report shall be submitted to the City for review and approval.

87.Prior to issuance of any certificate of occupancy for developments constructed over or in close proximity to abandoned wells, the property owner shall record a declaration of CC&Rs, in a form subject to the review and approval of the City Attorney, putting future owners and occupants on notice of the following: the existence of abandoned wells on the site; that the wells within the area of development have been leak tested and found not to leak; description of any methane mitigation measures employed; disclosure that access to these wells has been provided to address the fact that they may leak in the future causing potential harm; acknowledgment that the state may order the reabandonment of any well should it leak in the future; acknowledgment that the state does not recommend building over wells; and releasing and indemnifying the city for issuing project permits.

End of Conditions.

Printed 10/3/2024 9:35

FEE ESTIMATE
Project Courtyard Building Permit Fees
Address 1933-1939 Temple Ave $ 19,614.69 Structural
Owner $ 3,922.94 Electrical
Phone $ 2,942.20 Plumbing
$ 2,942.20 Mechanical
Designer Field Energy
Phone $ 553.93 S.M.I.P. cat 1
TBD Grading
Zone
Lot Size $ 75.32 Issue
Building Area Living Garage Deck $ 30,051.29 Total Permits Sq Ft 17,044 3,654 528
Other $ 171.00 BSC Fee
Stories: Units on Lot: 8
$ 30,222.29 Total on Permit
Description:

Development Impact Fees
Valuation $ 4,261,000.00
$ 204,336.00 Parks
Building Plan Check $ 16,672.49 $ 217,216.00 Water
T-24 Energy Review $ 35.00 $ 5,476.48 Traffic
Total $ 16,707.49 $ 427,028.48 Total
Estimates are based on current fee schedules which change annually.

Fees not included on this sheet: Public Works, Planning, NPDES L.A. County Sanitation, LBUSD
L.A. County Fire Department R-3 Form
Long Beach Unified School District fees effective 06/17/2024 = $5.17 per sq.ft.

Exhibit A
1 LID PLAN CHECKLIST
The image part with relationship ID rId8 was not found in the file.

Low impact development Plan
(LID Plan) Checklist
The purpose of this checklist is to provide a format for uniform, comprehensive, and well-documented reviews of the Low Impact Development (LID) Plans submitted by project applicants. The completed checklist should be transmitted to the project applicant with the project LID Plan. A copy of the completed checklist should be retained with the project planning/permitting file.

Contact Name: Site Name: The Courtyard
Contact Title: Site Address: 1933 Temple Avenue
Company Name: Core Engineering Type of Facility: Residential Mailing Address: 23172 Plaza Pointe Drive, Suite #145 Submittal Date: 09/05/2024 City, State, Zip: Laguna Hills, CA 92653 Plan Return Date: 09/24/2024 Phone Number:

Email Address:
(949) 054-7244 Disturbed Area: 26,061 sf
First Review
LID Plan Received on: 10/19/2022
Review Completed on: 11/03/2022
Fourth Review
LID Plan Received on: 09/05/2024
Review Completed on: 09/24/2024
Second Review
LID Plan Received on: 03/01/2024
Review Completed on: 04/01/2024
Fifth Review
LID Plan Received on:

Review Completed on:

Third Review
LID Plan Received on: 07/09/2024
Review Completed on: 07/26/2024
Sixth Review
LID Plan Received on:

Review Completed on:

City of Signal Hill
2175 Cherry Avenue
Signal Hill, CA 90755
For Office Use Only
Plan Checked By:

Date:

Sets of LID Plans needed 3
________Michelle Staffield_________
Sets of electronic records (CD)
needed 1 Signature
[email protected]
(562) 802-4890
2 LID PLAN CHECKLIST
ITEMS REQUIRING CORRECTIONS:

Notes:
• The comments herein are general and are intended to act as guidance for LID Plan development.

Additional comments are anticipated for the next review. • If occupancy of the development is intended to be released in “phases,” a ‘final’ LID Plan must be submitted for each phase proposed.
• If rear yards of private residential lots are designed as pervious surfaces and accounted for in the LID BMP sizing calculations as such, the CC&R’s must specify that property owners may not alter the condition of rear yards from the approved construction Plans. It is strongly recommended that rear yards be considered 100% impervious surfaces for the purpose of LID BMP sizing calculations. Please consult with the City if there are plans to design the system otherwise. • It appears the development is proposed over a previously abandoned oil well, therefore a Methane Mitigation Plan is required. The Methane Mitigation Plan must be provided prior to approval of the ‘final’ LID Plan, and it must be demonstrated the proposed methane mitigation measures do not intercept stormwater.

1. Geotechnical Investigation – Note that LID BMP sizing calculations must be based on the in-situ infiltration rate from soil borings in the area and depth of the proposed BMP.

2. LID Plan Report – The LID Plan report must include the following information:
a. SWQDv and LID BMP Sizing Calculations – The report (Appendix A) indicates the Stormwater Quality Design Volume (SWQDv) was calculated utilizing a storm depth of 0.6-inches; however, LID BMPs must be sized to treat the SWQDv on-site defined as the runoff from the 0.75-inch, 24- hour rain event or the 85th percentile, 24-hour rain event, as determined from the Los Angeles County 85th percentile isohyetal map
(https://ladpw.org/wrd/publication/engineering/Final_ReportProbability_Analysis_of_85th_Percentile_24-hr_Rainfall1.pdf), whichever is greater. Additionlly, the report indicates the project’s percent impervious is 73.04%; however, it is unclear how this value was derived (provided clarification). Otherwise, revise SWQDv calculations accordingly. b. LID BMP sizing calculations indicate a “60 unit cudo system” is proposed and calculate the BMP’s capacity utilizing 80 units. Revise report accordingly. Note, the report indicates the proposed square footage is 240 sf; however, it is unclear how this value was derived (i.e. 80 units * 2-ft wide * 2-ft long = 320 sf). Additionally clarification is required. c. Project Description – Clarify the description of all proposed pervious and impervious areas of the project site, and the land uses. For instance, the report indicates “0.401 acres of pervious area” is proposed; however, the report lists only 0.3324 acres (6,840 sf gravel driveway, 7,639 sf landscape area) is proposed. Revise report to provide accurate and consistent information throughout.
d. Underground Utilities – The potential impacts of stormwater infiltration on subsurface utilities should be evaluated to establish necessary setbacks from these utilities or if the utilities need to be relocated. Retention-based stormwater quality control measures (e.g. permeable pavement) should not be located near utility lines where an increased volume of water could damage utilities. Indicate on the plans or in the document that stormwater runoff will be directed away from existing underground utilities.

LID PLAN CHECKLIST3

3. Plans –
a. Sheet C-2: Indicate the invert elevation for all points of connection; the pipe that connects the trench drain to the cudo system, and the overflow pipe from the cudo system. b. Sheet C-2: Indicate the square footage (6,840 sf) of the permeable paver (construction note #10) driveway, which must correspond with the LID BMP sizing calculations (pervious condition).

Note, a corresponding detail must also be referenced and included on Plans as well. c. Sheet C-2: Revise Plans to indicate the square footage (and/or dimensions) of the proposed landscape areas (7,639 sf).
d. Sheet C-2: The orientation and square footage of the cudo system (construction note #14) must be called out on the plans.
e. Sheet C-2: The “No Dumping – Drains to Ocean” stencil must be called out (with a construction note) on all inlets (i.e. Construction Notes #3, 7), and a detail must be provided on Plans. f. Sheet C-3: The cudo system detail does not appear to be consistent with the Plans (i.e. “bottom inv. 138.72” and “TG 142.10.” Revise detail to provide accurate and consistent information throughout.
g. It was previously understood that an adjacent property (2750 E 20th Street) proposed to construct shared storm drain infrastructure within the project limits. If this is the case, indicate all existing/proposed drainage infrastructure on Plans.

LID PLAN CHECKLIST4
Items required for ‘final’ LID Plan approval, but are not required at this time:

Four (4) hard copies of the ‘final’ LID Plan (each front page signed and stamped by a California licensed civil engineer), four (4) hard copies of the full sized grading plans (each sheet signed and stamped by a California licensed civil engineer), one (1) copy of all original (wet ink documentation) forms and certifications, and one (1) electronic copy (email, CD, download from FTP site, etc.) of all documents listed above.

1. Owner’s Certification – The certification page (see attached) must be provided and must be signed and dated by the landowner or approved signatory.

2. Engineer’s Certification – The certification page (see attached) must be provided and signed, dated, and stamped by the California licensed civil engineer who prepared the LID Plan.

3. BMP List – Include GPS coordinates for each LID BMP (provide the latitude and longitude with at least 6 decimals).

4. Forms –
a. Form OC1 – This form must be provided (see attached), and must be signed and dated by the owner and a California licensed civil engineer.
b. Form P2 – This form must be provided (see attached). The BMP information should be organized such that there is one row for each BMP. Once completed, the form must be signed, dated, and stamped with wet ink application by a California licensed civil engineer.

5. MCA – The MCA form must be included (see attached). The site address and the make, model, size, and type (as applicable) of all structural BMPs proposed must be indicated on the form. Once completed, the MCA form must be signed and dated with wet ink application by the owner and have an attached Legal Description, Operations and Maintenance (O&M) Plan, 8.5”x11” LID BMP Site Exhibit, and signed Owner’s Certification page. Once the MCA is approved by JLHA, it will need to be notarized and recorded (along with attachments) with the County Recorder’s Office.

6. O&M Plan – The Operations and Maintenance (O&M) Plan must include and describe the storm drain stencil signage BMP (the frequency of inspections and maintenance, the responsible entity, etc.). Additionally, revise the O&M Plan to list the name, address, email, etc. of the specific entity (individual, not just company) that will be responsible for the O&M responsibilities.

7. Plans – Indicate the setback between the building foundations and the footprint of the infiltration BMP.

EXHIBIT

CITY OF SIGNAL HILL

DEPARTMENT OF PUBLIC WORKS

1. GRADING PLAN
The applicant shall submit a Grading Plan prepared by a registered Civil Engineer, on City Title Block Mylar, subject to the review and approval of the City Engineer.

3. OVERHEAD UTILITIES
(a) No new overhead facilities are permitted. Under-ground all new dry utilities (electrical, telephone, cable T.V., communications lines, etc.).

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The new domestic water service(s) shall be a minimum of 1-inch in size. Meters shall be located in the City right of way within parkway adjacent to the sidewalk.

Existing domestic water service(s) and meter(s) are not to be utilized, they shall be properly abandoned by the developer per Public Works Standard Plan No. 409.

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Signal Hill City CouncilNovember 12, 2024

Signal Hill City Council
November 12, 2024