1. Exhibit B - Signal Hill Housing Element Final EIR — Signal Hill City Council, July 12, 2022 (part 6 of 10)

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
Project:

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV2-10 (2107160-05) Soil Sampled: 07/12/21 11:23 Received: 07/12/21 15:44 Silver ND 2.0 mg/kg 1 B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 82 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 9.3 3.3 " " " " " "
Chromium 18 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1307 07/13/21 07/14/21 17:48 EPA 7199A Copper 18 5.0 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Mercury ND 0.90 " " B1G1309 07/13/21 07/13/21 20:26 EPA 7471A Molybdenum ND 5.2 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Nickel 12 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 31 5.1 " " " " " "
Zinc 36 7.0 " " " " " "
SV2-15 (2107160-06) Soil Sampled: 07/12/21 11:36 Received: 07/12/21 15:44 Silver ND 2.0 mg/kg 1 B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 81 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 6.6 3.3 " " " " " "
Chromium 21 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1307 07/13/21 07/14/21 17:48 EPA 7199A Copper 14 5.0 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Mercury ND 0.90 " " B1G1309 07/13/21 07/13/21 20:26 EPA 7471A Molybdenum ND 5.2 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Nickel 11 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 28 5.1 " " " " " "
Zinc 36 7.0 " " " " " "

Page 4 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-5 (2107160-07) Soil Sampled: 07/12/21 12:35 Received: 07/12/21 15:44 Silver ND 2.0 mg/kg 1 B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 67 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 5.6 3.3 " " " " " "
Chromium 12 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1307 07/13/21 07/14/21 17:48 EPA 7199A Copper 11 5.0 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Mercury ND 0.81 " " B1G1309 07/13/21 07/13/21 20:26 EPA 7471A Molybdenum ND 5.2 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Nickel 4.3 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 18 5.1 " " " " " "
Zinc 25 7.0 " " " " " "
SV3-10 (2107160-08) Soil Sampled: 07/12/21 12:39 Received: 07/12/21 15:44 Silver ND 2.0 mg/kg 1 B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 50 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 6.4 3.3 " " " " " "
Chromium 18 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1307 07/13/21 07/14/21 17:48 EPA 7199A Copper 17 5.0 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Mercury ND 0.78 " " B1G1309 07/13/21 07/13/21 20:26 EPA 7471A Molybdenum ND 5.2 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Nickel 9.5 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 31 5.1 " " " " " "
Zinc 34 7.0 " " " " " "

Page 5 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-15 (2107160-09) Soil Sampled: 07/12/21 12:44 Received: 07/12/21 15:44 Silver ND 2.0 mg/kg 1 B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 32 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 3.7 3.3 " " " " " "
Chromium 8.3 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1307 07/13/21 07/14/21 17:48 EPA 7199A Copper 6.2 5.0 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Mercury ND 0.90 " " B1G1309 07/13/21 07/13/21 20:26 EPA 7471A Molybdenum ND 5.2 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Nickel 5.0 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 18 5.1 " " " " " "
Zinc 18 7.0 " " " " " "
SV4-5 (2107160-10) Soil Sampled: 07/12/21 13:09 Received: 07/12/21 15:44 Silver ND 2.0 mg/kg 1 B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 63 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 8.2 3.3 " " " " " "
Chromium 13 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1307 07/13/21 07/14/21 17:48 EPA 7199A Copper 14 5.0 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Mercury ND 0.90 " " B1G1309 07/13/21 07/13/21 20:26 EPA 7471A Molybdenum ND 5.2 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Nickel 8.0 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 25 5.1 " " " " " "
Zinc 26 7.0 " " " " " "

Page 6 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV4-10 (2107160-11) Soil Sampled: 07/12/21 13:18 Received: 07/12/21 15:44 Silver ND 2.0 mg/kg 1 B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 40 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 4.6 3.3 " " " " " "
Chromium 14 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1307 07/13/21 07/14/21 17:48 EPA 7199A Copper 12 5.0 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Mercury ND 0.90 " " B1G1309 07/13/21 07/13/21 20:26 EPA 7471A Molybdenum ND 5.2 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Nickel 7.0 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 21 5.1 " " " " " "
Zinc 25 7.0 " " " " " "
SV4-15 (2107160-12) Soil Sampled: 07/12/21 13:21 Received: 07/12/21 15:44 Silver ND 2.0 mg/kg 1 B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 26 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 3.7 3.3 " " " " " "
Chromium 8.1 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1307 07/13/21 07/14/21 17:48 EPA 7199A Copper 6.8 5.0 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Mercury ND 0.90 " " B1G1309 07/13/21 07/13/21 20:26 EPA 7471A Molybdenum ND 5.2 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Nickel 5.7 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 14 5.1 " " " " " "
Zinc 20 7.0 " " " " " "

Page 7 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-5 (2107160-13) Soil Sampled: 07/12/21 13:50 Received: 07/12/21 15:44 Silver ND 2.0 mg/kg 1 B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 82 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 8.1 3.3 " " " " " "
Chromium 18 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1307 07/13/21 07/14/21 17:48 EPA 7199A Copper 17 5.0 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Mercury ND 0.90 " " B1G1309 07/13/21 07/13/21 20:26 EPA 7471A Molybdenum ND 5.2 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Nickel 10 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 34 5.1 " " " " " "
Zinc 34 7.0 " " " " " "
SV5-10 (2107160-14) Soil Sampled: 07/12/21 14:02 Received: 07/12/21 15:44 Silver ND 2.0 mg/kg 1 B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 47 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 5.1 3.3 " " " " " "
Chromium 12 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1307 07/13/21 07/14/21 17:48 EPA 7199A Copper 11 5.0 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Mercury ND 0.90 " " B1G1309 07/13/21 07/13/21 20:26 EPA 7471A Molybdenum ND 5.2 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Nickel 7.8 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 21 5.1 " " " " " "
Zinc 24 7.0 " " " " " "

Page 8 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-15 (2107160-15) Soil Sampled: 07/12/21 14:07 Received: 07/12/21 15:44 Silver ND 2.0 mg/kg 1 B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 61 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 6.1 3.3 " " " " " "
Chromium 14 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1307 07/13/21 07/14/21 17:48 EPA 7199A Copper 15 5.0 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Mercury ND 0.90 " " B1G1309 07/13/21 07/13/21 20:26 EPA 7471A Molybdenum ND 5.2 " " B1G1308 07/13/21 07/14/21 17:06 EPA 6010B Nickel 8.8 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 28 5.1 " " " " " "
Zinc 30 7.0 " " " " " "

Page 9 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Total Petroleum Hydrocarbons Carbon Range Analysis by GC-FID Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV1-5 (2107160-01) Soil Sampled: 07/12/21 08:54 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 67.5 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 96.4 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.050
SV1-10 (2107160-02) Soil Sampled: 07/12/21 10:39 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 91.5 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 98.5 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.050
SV1-15 (2107160-03) Soil Sampled: 07/12/21 10:43 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 66.4 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 92.0 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.050
SV2-5 (2107160-04) Soil Sampled: 07/12/21 11:20 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 69.9 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " "
(C23-C40)
35 5.0 "
Surrogate: a,a,a-Trifluorotoluene 91.9 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.042

Page 10 of 80 ends

Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV2-10 (2107160-05) Soil Sampled: 07/12/21 11:23 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 91.3 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 98.5 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.045
SV2-15 (2107160-06) Soil Sampled: 07/12/21 11:36 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 68.0 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 91.4 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.050
SV3-5 (2107160-07) Soil Sampled: 07/12/21 12:35 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 73.0 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 93.7 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.042
SV3-10 (2107160-08) Soil Sampled: 07/12/21 12:39 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 76.6 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 91.5 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.050

Page 11 of 80 ends

Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-15 (2107160-09) Soil Sampled: 07/12/21 12:44 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 77.7 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 93.0 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.050
SV4-5 (2107160-10) Soil Sampled: 07/12/21 13:09 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 74.6 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 96.7 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.050
SV4-10 (2107160-11) Soil Sampled: 07/12/21 13:18 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 76.4 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 94.0 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.050
SV4-15 (2107160-12) Soil Sampled: 07/12/21 13:21 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 65.2 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 84.3 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.050

Page 12 of 80 ends

Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-5 (2107160-13) Soil Sampled: 07/12/21 13:50 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 67.5 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 95.6 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.050
SV5-10 (2107160-14) Soil Sampled: 07/12/21 14:02 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 71.2 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 87.6 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.050
SV5-15 (2107160-15) Soil Sampled: 07/12/21 14:07 Received: 07/12/21 15:44 Surrogate: o-Terphenyl 73.6 % 60-175 B1G1401 07/14/21 07/14/21 12:21 EPA 8015B Total Petroleum Hydrocarbons " " " " " "
(C13-C22)
ND 5.0
Total Petroleum Hydrocarbons " " " " " "
(C23-C40)
ND 5.0
Surrogate: a,a,a-Trifluorotoluene 87.4 % 35-130 B1G1302 07/13/21 07/14/21 08:03 " Total Petroleum Hydrocarbons " " " " " "
(C4-C12)
ND 0.050

Page 13 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV1-5 (2107160-01) Soil Sampled: 07/12/21 08:54 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 112 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 99.7 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 95.8 % 74-121 " " " "
Benzene ND 4.5 " " " " " "
Bromobenzene ND 4.5 " " " " " "
Bromochloromethane ND 4.5 " " " " " "
Bromodichloromethane ND 4.5 " " " " " "
Bromoform ND 4.5 " " " " " "
Bromomethane ND 4.5 " " " " " "
n-Butylbenzene ND 4.5 " " " " " "
sec-Butylbenzene ND 4.5 " " " " " "
tert-Butylbenzene ND 4.5 " " " " " "
Carbon tetrachloride ND 4.5 " " " " " "
Chlorobenzene ND 4.5 " " " " " "
Chloroethane ND 4.5 " " " " " "
Chloroform ND 4.5 " " " " " "
Chloromethane ND 4.5 " " " " " "
2-Chlorotoluene ND 4.5 " " " " " "
4-Chlorotoluene ND 4.5 " " " " " "
Dibromochloromethane ND 4.5 " " " " " "
1,2-Dibromo-3-chloropropane ND 4.5 " " " " " "
1,2-Dibromoethane (EDB) ND 4.5 " " " " " "
Dibromomethane ND 4.5 " " " " " "
1,2-Dichlorobenzene ND 4.5 " " " " " "
1,3-Dichlorobenzene ND 4.5 " " " " " "
1,4-Dichlorobenzene ND 4.5 " " " " " "
Dichlorodifluoromethane ND 4.5 " " " " " "
1,1-Dichloroethane ND 4.5 " " " " " "
1,2-Dichloroethane ND 4.5 " " " " " "
1,1-Dichloroethene ND 4.5 " " " " " "
cis-1,2-Dichloroethene ND 4.5 " " " " " "
trans-1,2-Dichloroethene ND 4.5 " " " " " "
1,2-Dichloropropane ND 4.5 " " " " " "
1,3-Dichloropropane ND 4.5 " " " " " "
2,2-Dichloropropane ND 4.5 " " " " " "
1,1-Dichloropropene ND 4.5 " " " " " "
cis-1,3-Dichloropropene ND 4.5 " " " " " "
trans-1,3-Dichloropropene ND 4.5 " " " " " "
Ethylbenzene ND 4.5 " " " " " "
Hexachlorobutadiene ND 4.5 " " " " " "
Isopropylbenzene ND 4.5 " " " " " "

Page 14 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV1-5 (2107160-01) Soil Sampled: 07/12/21 08:54 Received: 07/12/21 15:44 p-Isopropyltoluene ND 4.5 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Methylene chloride ND 4.5 " " " " " "
Methyl tert-butyl ether ND 4.5 " " " " " "
Naphthalene ND 4.5 " " " " " "
n-Propylbenzene ND 4.5 " " " " " "
Styrene ND 4.5 " " " " " "
1,1,1,2-Tetrachloroethane ND 4.5 " " " " " "
1,1,2,2-Tetrachloroethane ND 4.5 " " " " " "
Tetrachloroethene ND 4.5 " " " " " "
Toluene ND 4.5 " " " " " "
1,2,3-Trichlorobenzene ND 4.5 " " " " " "
1,2,4-Trichlorobenzene ND 4.5 " " " " " "
1,1,1-Trichloroethane ND 4.5 " " " " " "
1,1,2-Trichloroethane ND 4.5 " " " " " "
Trichloroethene ND 4.5 " " " " " "
Trichlorofluoromethane ND 4.5 " " " " " "
1,2,3-Trichloropropane ND 4.5 " " " " " "
1,2,4-Trimethylbenzene ND 4.5 " " " " " "
1,3,5-Trimethylbenzene ND 4.5 " " " " " "
Vinyl chloride ND 4.5 " " " " " "
m,p-Xylene ND 4.5 " " " " " "
o-Xylene ND 4.5 " " " " " "
SV1-10 (2107160-02) Soil Sampled: 07/12/21 10:39 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 114 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 99.4 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 95.0 % 74-121 " " " "
Benzene ND 5.0 " " " " " "
Bromobenzene ND 5.0 " " " " " "
Bromochloromethane ND 5.0 " " " " " "
Bromodichloromethane ND 5.0 " " " " " "
Bromoform ND 5.0 " " " " " "
Bromomethane ND 5.0 " " " " " "
n-Butylbenzene ND 5.0 " " " " " "
sec-Butylbenzene ND 5.0 " " " " " "
tert-Butylbenzene ND 5.0 " " " " " "
Carbon tetrachloride ND 5.0 " " " " " "
Chlorobenzene ND 5.0 " " " " " "
Chloroethane ND 5.0 " " " " " "
Chloroform ND 5.0 " " " " " "
Chloromethane ND 5.0 " " " " " "

Page 15 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV1-10 (2107160-02) Soil Sampled: 07/12/21 10:39 Received: 07/12/21 15:44 2-Chlorotoluene ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 4-Chlorotoluene ND 5.0 " " " " " "
Dibromochloromethane ND 5.0 " " " " " "
1,2-Dibromo-3-chloropropane ND 5.0 " " " " " "
1,2-Dibromoethane (EDB) ND 5.0 " " " " " "
Dibromomethane ND 5.0 " " " " " "
1,2-Dichlorobenzene ND 5.0 " " " " " "
1,3-Dichlorobenzene ND 5.0 " " " " " "
1,4-Dichlorobenzene ND 5.0 " " " " " "
Dichlorodifluoromethane ND 5.0 " " " " " "
1,1-Dichloroethane ND 5.0 " " " " " "
1,2-Dichloroethane ND 5.0 " " " " " "
1,1-Dichloroethene ND 5.0 " " " " " "
cis-1,2-Dichloroethene ND 5.0 " " " " " "
trans-1,2-Dichloroethene ND 5.0 " " " " " "
1,2-Dichloropropane ND 5.0 " " " " " "
1,3-Dichloropropane ND 5.0 " " " " " "
2,2-Dichloropropane ND 5.0 " " " " " "
1,1-Dichloropropene ND 5.0 " " " " " "
cis-1,3-Dichloropropene ND 5.0 " " " " " "
trans-1,3-Dichloropropene ND 5.0 " " " " " "
Ethylbenzene ND 5.0 " " " " " "
Hexachlorobutadiene ND 5.0 " " " " " "
Isopropylbenzene ND 5.0 " " " " " "
p-Isopropyltoluene ND 5.0 " " " " " "
Methylene chloride ND 5.0 " " " " " "
Methyl tert-butyl ether ND 5.0 " " " " " "
Naphthalene ND 5.0 " " " " " "
n-Propylbenzene ND 5.0 " " " " " "
Styrene ND 5.0 " " " " " "
1,1,1,2-Tetrachloroethane ND 5.0 " " " " " "
1,1,2,2-Tetrachloroethane ND 5.0 " " " " " "
Tetrachloroethene ND 5.0 " " " " " "
Toluene ND 5.0 " " " " " "
1,2,3-Trichlorobenzene ND 5.0 " " " " " "
1,2,4-Trichlorobenzene ND 5.0 " " " " " "
1,1,1-Trichloroethane ND 5.0 " " " " " "
1,1,2-Trichloroethane ND 5.0 " " " " " "
Trichloroethene ND 5.0 " " " " " "
Trichlorofluoromethane ND 5.0 " " " " " "
1,2,3-Trichloropropane ND 5.0 " " " " " "

Page 16 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV1-10 (2107160-02) Soil Sampled: 07/12/21 10:39 Received: 07/12/21 15:44 1,2,4-Trimethylbenzene ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 1,3,5-Trimethylbenzene ND 5.0 " " " " " "
Vinyl chloride ND 5.0 " " " " " "
m,p-Xylene ND 5.0 " " " " " "
o-Xylene ND 5.0 " " " " " "
SV1-15 (2107160-03) Soil Sampled: 07/12/21 10:43 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 115 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 101 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 95.9 % 74-121 " " " "
Benzene ND 5.0 " " " " " "
Bromobenzene ND 5.0 " " " " " "
Bromochloromethane ND 5.0 " " " " " "
Bromodichloromethane ND 5.0 " " " " " "
Bromoform ND 5.0 " " " " " "
Bromomethane ND 5.0 " " " " " "
n-Butylbenzene ND 5.0 " " " " " "
sec-Butylbenzene ND 5.0 " " " " " "
tert-Butylbenzene ND 5.0 " " " " " "
Carbon tetrachloride ND 5.0 " " " " " "
Chlorobenzene ND 5.0 " " " " " "
Chloroethane ND 5.0 " " " " " "
Chloroform ND 5.0 " " " " " "
Chloromethane ND 5.0 " " " " " "
2-Chlorotoluene ND 5.0 " " " " " "
4-Chlorotoluene ND 5.0 " " " " " "
Dibromochloromethane ND 5.0 " " " " " "
1,2-Dibromo-3-chloropropane ND 5.0 " " " " " "
1,2-Dibromoethane (EDB) ND 5.0 " " " " " "
Dibromomethane ND 5.0 " " " " " "
1,2-Dichlorobenzene ND 5.0 " " " " " "
1,3-Dichlorobenzene ND 5.0 " " " " " "
1,4-Dichlorobenzene ND 5.0 " " " " " "
Dichlorodifluoromethane ND 5.0 " " " " " "
1,1-Dichloroethane ND 5.0 " " " " " "
1,2-Dichloroethane ND 5.0 " " " " " "
1,1-Dichloroethene ND 5.0 " " " " " "
cis-1,2-Dichloroethene ND 5.0 " " " " " "
trans-1,2-Dichloroethene ND 5.0 " " " " " "
1,2-Dichloropropane ND 5.0 " " " " " "
1,3-Dichloropropane ND 5.0 " " " " " "

Page 17 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV1-15 (2107160-03) Soil Sampled: 07/12/21 10:43 Received: 07/12/21 15:44 2,2-Dichloropropane ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 1,1-Dichloropropene ND 5.0 " " " " " "
cis-1,3-Dichloropropene ND 5.0 " " " " " "
trans-1,3-Dichloropropene ND 5.0 " " " " " "
Ethylbenzene ND 5.0 " " " " " "
Hexachlorobutadiene ND 5.0 " " " " " "
Isopropylbenzene ND 5.0 " " " " " "
p-Isopropyltoluene ND 5.0 " " " " " "
Methylene chloride ND 5.0 " " " " " "
Methyl tert-butyl ether ND 5.0 " " " " " "
Naphthalene ND 5.0 " " " " " "
n-Propylbenzene ND 5.0 " " " " " "
Styrene ND 5.0 " " " " " "
1,1,1,2-Tetrachloroethane ND 5.0 " " " " " "
1,1,2,2-Tetrachloroethane ND 5.0 " " " " " "
Tetrachloroethene ND 5.0 " " " " " "
Toluene ND 5.0 " " " " " "
1,2,3-Trichlorobenzene ND 5.0 " " " " " "
1,2,4-Trichlorobenzene ND 5.0 " " " " " "
1,1,1-Trichloroethane ND 5.0 " " " " " "
1,1,2-Trichloroethane ND 5.0 " " " " " "
Trichloroethene ND 5.0 " " " " " "
Trichlorofluoromethane ND 5.0 " " " " " "
1,2,3-Trichloropropane ND 5.0 " " " " " "
1,2,4-Trimethylbenzene ND 5.0 " " " " " "
1,3,5-Trimethylbenzene ND 5.0 " " " " " "
Vinyl chloride ND 5.0 " " " " " "
m,p-Xylene ND 5.0 " " " " " "
o-Xylene ND 5.0 " " " " " "

Page 18 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV2-5 (2107160-04) Soil Sampled: 07/12/21 11:20 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 113 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 101 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 95.8 % 74-121 " " " "
Benzene ND 4.2 " " " " " "
Bromobenzene ND 4.2 " " " " " "
Bromochloromethane ND 4.2 " " " " " "
Bromodichloromethane ND 4.2 " " " " " "
Bromoform ND 4.2 " " " " " "
Bromomethane ND 4.2 " " " " " "
n-Butylbenzene ND 4.2 " " " " " "
sec-Butylbenzene ND 4.2 " " " " " "
tert-Butylbenzene ND 4.2 " " " " " "
Carbon tetrachloride ND 4.2 " " " " " "
Chlorobenzene ND 4.2 " " " " " "
Chloroethane ND 4.2 " " " " " "
Chloroform ND 4.2 " " " " " "
Chloromethane ND 4.2 " " " " " "
2-Chlorotoluene ND 4.2 " " " " " "
4-Chlorotoluene ND 4.2 " " " " " "
Dibromochloromethane ND 4.2 " " " " " "
1,2-Dibromo-3-chloropropane ND 4.2 " " " " " "
1,2-Dibromoethane (EDB) ND 4.2 " " " " " "
Dibromomethane ND 4.2 " " " " " "
1,2-Dichlorobenzene ND 4.2 " " " " " "
1,3-Dichlorobenzene ND 4.2 " " " " " "
1,4-Dichlorobenzene ND 4.2 " " " " " "
Dichlorodifluoromethane ND 4.2 " " " " " "
1,1-Dichloroethane ND 4.2 " " " " " "
1,2-Dichloroethane ND 4.2 " " " " " "
1,1-Dichloroethene ND 4.2 " " " " " "
cis-1,2-Dichloroethene ND 4.2 " " " " " "
trans-1,2-Dichloroethene ND 4.2 " " " " " "
1,2-Dichloropropane ND 4.2 " " " " " "
1,3-Dichloropropane ND 4.2 " " " " " "
2,2-Dichloropropane ND 4.2 " " " " " "
1,1-Dichloropropene ND 4.2 " " " " " "
cis-1,3-Dichloropropene ND 4.2 " " " " " "
trans-1,3-Dichloropropene ND 4.2 " " " " " "
Ethylbenzene ND 4.2 " " " " " "
Hexachlorobutadiene ND 4.2 " " " " " "
Isopropylbenzene ND 4.2 " " " " " "

Page 19 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV2-5 (2107160-04) Soil Sampled: 07/12/21 11:20 Received: 07/12/21 15:44 p-Isopropyltoluene ND 4.2 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Methylene chloride ND 4.2 " " " " " "
Methyl tert-butyl ether ND 4.2 " " " " " "
Naphthalene ND 4.2 " " " " " "
n-Propylbenzene ND 4.2 " " " " " "
Styrene ND 4.2 " " " " " "
1,1,1,2-Tetrachloroethane ND 4.2 " " " " " "
1,1,2,2-Tetrachloroethane ND 4.2 " " " " " "
Tetrachloroethene ND 4.2 " " " " " "
Toluene ND 4.2 " " " " " "
1,2,3-Trichlorobenzene ND 4.2 " " " " " "
1,2,4-Trichlorobenzene ND 4.2 " " " " " "
1,1,1-Trichloroethane ND 4.2 " " " " " "
1,1,2-Trichloroethane ND 4.2 " " " " " "
Trichloroethene ND 4.2 " " " " " "
Trichlorofluoromethane ND 4.2 " " " " " "
1,2,3-Trichloropropane ND 4.2 " " " " " "
1,2,4-Trimethylbenzene ND 4.2 " " " " " "
1,3,5-Trimethylbenzene ND 4.2 " " " " " "
Vinyl chloride ND 4.2 " " " " " "
m,p-Xylene ND 4.2 " " " " " "
o-Xylene ND 4.2 " " " " " "
SV2-10 (2107160-05) Soil Sampled: 07/12/21 11:23 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 111 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 100 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 95.5 % 74-121 " " " "
Benzene ND 3.9 " " " " " "
Bromobenzene ND 3.9 " " " " " "
Bromochloromethane ND 3.9 " " " " " "
Bromodichloromethane ND 3.9 " " " " " "
Bromoform ND 3.9 " " " " " "
Bromomethane ND 3.9 " " " " " "
n-Butylbenzene ND 3.9 " " " " " "
sec-Butylbenzene ND 3.9 " " " " " "
tert-Butylbenzene ND 3.9 " " " " " "
Carbon tetrachloride ND 3.9 " " " " " "
Chlorobenzene ND 3.9 " " " " " "
Chloroethane ND 3.9 " " " " " "
Chloroform ND 3.9 " " " " " "
Chloromethane ND 3.9 " " " " " "

Page 20 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV2-10 (2107160-05) Soil Sampled: 07/12/21 11:23 Received: 07/12/21 15:44 2-Chlorotoluene ND 3.9 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 4-Chlorotoluene ND 3.9 " " " " " "
Dibromochloromethane ND 3.9 " " " " " "
1,2-Dibromo-3-chloropropane ND 3.9 " " " " " "
1,2-Dibromoethane (EDB) ND 3.9 " " " " " "
Dibromomethane ND 3.9 " " " " " "
1,2-Dichlorobenzene ND 3.9 " " " " " "
1,3-Dichlorobenzene ND 3.9 " " " " " "
1,4-Dichlorobenzene ND 3.9 " " " " " "
Dichlorodifluoromethane ND 3.9 " " " " " "
1,1-Dichloroethane ND 3.9 " " " " " "
1,2-Dichloroethane ND 3.9 " " " " " "
1,1-Dichloroethene ND 3.9 " " " " " "
cis-1,2-Dichloroethene ND 3.9 " " " " " "
trans-1,2-Dichloroethene ND 3.9 " " " " " "
1,2-Dichloropropane ND 3.9 " " " " " "
1,3-Dichloropropane ND 3.9 " " " " " "
2,2-Dichloropropane ND 3.9 " " " " " "
1,1-Dichloropropene ND 3.9 " " " " " "
cis-1,3-Dichloropropene ND 3.9 " " " " " "
trans-1,3-Dichloropropene ND 3.9 " " " " " "
Ethylbenzene ND 3.9 " " " " " "
Hexachlorobutadiene ND 3.9 " " " " " "
Isopropylbenzene ND 3.9 " " " " " "
p-Isopropyltoluene ND 3.9 " " " " " "
Methylene chloride ND 3.9 " " " " " "
Methyl tert-butyl ether ND 3.9 " " " " " "
Naphthalene ND 3.9 " " " " " "
n-Propylbenzene ND 3.9 " " " " " "
Styrene ND 3.9 " " " " " "
1,1,1,2-Tetrachloroethane ND 3.9 " " " " " "
1,1,2,2-Tetrachloroethane ND 3.9 " " " " " "
Tetrachloroethene ND 3.9 " " " " " "
Toluene ND 3.9 " " " " " "
1,2,3-Trichlorobenzene ND 3.9 " " " " " "
1,2,4-Trichlorobenzene ND 3.9 " " " " " "
1,1,1-Trichloroethane ND 3.9 " " " " " "
1,1,2-Trichloroethane ND 3.9 " " " " " "
Trichloroethene ND 3.9 " " " " " "
Trichlorofluoromethane ND 3.9 " " " " " "
1,2,3-Trichloropropane ND 3.9 " " " " " "

Page 21 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV2-10 (2107160-05) Soil Sampled: 07/12/21 11:23 Received: 07/12/21 15:44 1,2,4-Trimethylbenzene ND 3.9 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 1,3,5-Trimethylbenzene ND 3.9 " " " " " "
Vinyl chloride ND 3.9 " " " " " "
m,p-Xylene ND 3.9 " " " " " "
o-Xylene ND 3.9 " " " " " "
SV2-15 (2107160-06) Soil Sampled: 07/12/21 11:36 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 116 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 102 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 95.2 % 74-121 " " " "
Benzene ND 4.4 " " " " " "
Bromobenzene ND 4.4 " " " " " "
Bromochloromethane ND 4.4 " " " " " "
Bromodichloromethane ND 4.4 " " " " " "
Bromoform ND 4.4 " " " " " "
Bromomethane ND 4.4 " " " " " "
n-Butylbenzene ND 4.4 " " " " " "
sec-Butylbenzene ND 4.4 " " " " " "
tert-Butylbenzene ND 4.4 " " " " " "
Carbon tetrachloride ND 4.4 " " " " " "
Chlorobenzene ND 4.4 " " " " " "
Chloroethane ND 4.4 " " " " " "
Chloroform ND 4.4 " " " " " "
Chloromethane ND 4.4 " " " " " "
2-Chlorotoluene ND 4.4 " " " " " "
4-Chlorotoluene ND 4.4 " " " " " "
Dibromochloromethane ND 4.4 " " " " " "
1,2-Dibromo-3-chloropropane ND 4.4 " " " " " "
1,2-Dibromoethane (EDB) ND 4.4 " " " " " "
Dibromomethane ND 4.4 " " " " " "
1,2-Dichlorobenzene ND 4.4 " " " " " "
1,3-Dichlorobenzene ND 4.4 " " " " " "
1,4-Dichlorobenzene ND 4.4 " " " " " "
Dichlorodifluoromethane ND 4.4 " " " " " "
1,1-Dichloroethane ND 4.4 " " " " " "
1,2-Dichloroethane ND 4.4 " " " " " "
1,1-Dichloroethene ND 4.4 " " " " " "
cis-1,2-Dichloroethene ND 4.4 " " " " " "
trans-1,2-Dichloroethene ND 4.4 " " " " " "
1,2-Dichloropropane ND 4.4 " " " " " "
1,3-Dichloropropane ND 4.4 " " " " " "

Page 22 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV2-15 (2107160-06) Soil Sampled: 07/12/21 11:36 Received: 07/12/21 15:44 2,2-Dichloropropane ND 4.4 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 1,1-Dichloropropene ND 4.4 " " " " " "
cis-1,3-Dichloropropene ND 4.4 " " " " " "
trans-1,3-Dichloropropene ND 4.4 " " " " " "
Ethylbenzene ND 4.4 " " " " " "
Hexachlorobutadiene ND 4.4 " " " " " "
Isopropylbenzene ND 4.4 " " " " " "
p-Isopropyltoluene ND 4.4 " " " " " "
Methylene chloride ND 4.4 " " " " " "
Methyl tert-butyl ether ND 4.4 " " " " " "
Naphthalene ND 4.4 " " " " " "
n-Propylbenzene ND 4.4 " " " " " "
Styrene ND 4.4 " " " " " "
1,1,1,2-Tetrachloroethane ND 4.4 " " " " " "
1,1,2,2-Tetrachloroethane ND 4.4 " " " " " "
Tetrachloroethene ND 4.4 " " " " " "
Toluene ND 4.4 " " " " " "
1,2,3-Trichlorobenzene ND 4.4 " " " " " "
1,2,4-Trichlorobenzene ND 4.4 " " " " " "
1,1,1-Trichloroethane ND 4.4 " " " " " "
1,1,2-Trichloroethane ND 4.4 " " " " " "
Trichloroethene ND 4.4 " " " " " "
Trichlorofluoromethane ND 4.4 " " " " " "
1,2,3-Trichloropropane ND 4.4 " " " " " "
1,2,4-Trimethylbenzene ND 4.4 " " " " " "
1,3,5-Trimethylbenzene ND 4.4 " " " " " "
Vinyl chloride ND 4.4 " " " " " "
m,p-Xylene ND 4.4 " " " " " "
o-Xylene ND 4.4 " " " " " "

Page 23 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-5 (2107160-07) Soil Sampled: 07/12/21 12:35 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 114 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 101 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 94.7 % 74-121 " " " "
Benzene ND 4.2 " " " " " "
Bromobenzene ND 4.2 " " " " " "
Bromochloromethane ND 4.2 " " " " " "
Bromodichloromethane ND 4.2 " " " " " "
Bromoform ND 4.2 " " " " " "
Bromomethane ND 4.2 " " " " " "
n-Butylbenzene ND 4.2 " " " " " "
sec-Butylbenzene ND 4.2 " " " " " "
tert-Butylbenzene ND 4.2 " " " " " "
Carbon tetrachloride ND 4.2 " " " " " "
Chlorobenzene ND 4.2 " " " " " "
Chloroethane ND 4.2 " " " " " "
Chloroform ND 4.2 " " " " " "
Chloromethane ND 4.2 " " " " " "
2-Chlorotoluene ND 4.2 " " " " " "
4-Chlorotoluene ND 4.2 " " " " " "
Dibromochloromethane ND 4.2 " " " " " "
1,2-Dibromo-3-chloropropane ND 4.2 " " " " " "
1,2-Dibromoethane (EDB) ND 4.2 " " " " " "
Dibromomethane ND 4.2 " " " " " "
1,2-Dichlorobenzene ND 4.2 " " " " " "
1,3-Dichlorobenzene ND 4.2 " " " " " "
1,4-Dichlorobenzene ND 4.2 " " " " " "
Dichlorodifluoromethane ND 4.2 " " " " " "
1,1-Dichloroethane ND 4.2 " " " " " "
1,2-Dichloroethane ND 4.2 " " " " " "
1,1-Dichloroethene ND 4.2 " " " " " "
cis-1,2-Dichloroethene ND 4.2 " " " " " "
trans-1,2-Dichloroethene ND 4.2 " " " " " "
1,2-Dichloropropane ND 4.2 " " " " " "
1,3-Dichloropropane ND 4.2 " " " " " "
2,2-Dichloropropane ND 4.2 " " " " " "
1,1-Dichloropropene ND 4.2 " " " " " "
cis-1,3-Dichloropropene ND 4.2 " " " " " "
trans-1,3-Dichloropropene ND 4.2 " " " " " "
Ethylbenzene ND 4.2 " " " " " "
Hexachlorobutadiene ND 4.2 " " " " " "
Isopropylbenzene ND 4.2 " " " " " "

Page 24 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-5 (2107160-07) Soil Sampled: 07/12/21 12:35 Received: 07/12/21 15:44 p-Isopropyltoluene ND 4.2 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Methylene chloride ND 4.2 " " " " " "
Methyl tert-butyl ether ND 4.2 " " " " " "
Naphthalene ND 4.2 " " " " " "
n-Propylbenzene ND 4.2 " " " " " "
Styrene ND 4.2 " " " " " "
1,1,1,2-Tetrachloroethane ND 4.2 " " " " " "
1,1,2,2-Tetrachloroethane ND 4.2 " " " " " "
Tetrachloroethene ND 4.2 " " " " " "
Toluene ND 4.2 " " " " " "
1,2,3-Trichlorobenzene ND 4.2 " " " " " "
1,2,4-Trichlorobenzene ND 4.2 " " " " " "
1,1,1-Trichloroethane ND 4.2 " " " " " "
1,1,2-Trichloroethane ND 4.2 " " " " " "
Trichloroethene ND 4.2 " " " " " "
Trichlorofluoromethane ND 4.2 " " " " " "
1,2,3-Trichloropropane ND 4.2 " " " " " "
1,2,4-Trimethylbenzene ND 4.2 " " " " " "
1,3,5-Trimethylbenzene ND 4.2 " " " " " "
Vinyl chloride ND 4.2 " " " " " "
m,p-Xylene ND 4.2 " " " " " "
o-Xylene ND 4.2 " " " " " "
SV3-10 (2107160-08) Soil Sampled: 07/12/21 12:39 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 116 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 101 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 95.2 % 74-121 " " " "
Benzene ND 5.0 " " " " " "
Bromobenzene ND 5.0 " " " " " "
Bromochloromethane ND 5.0 " " " " " "
Bromodichloromethane ND 5.0 " " " " " "
Bromoform ND 5.0 " " " " " "
Bromomethane ND 5.0 " " " " " "
n-Butylbenzene ND 5.0 " " " " " "
sec-Butylbenzene ND 5.0 " " " " " "
tert-Butylbenzene ND 5.0 " " " " " "
Carbon tetrachloride ND 5.0 " " " " " "
Chlorobenzene ND 5.0 " " " " " "
Chloroethane ND 5.0 " " " " " "
Chloroform ND 5.0 " " " " " "
Chloromethane ND 5.0 " " " " " "

Page 25 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-10 (2107160-08) Soil Sampled: 07/12/21 12:39 Received: 07/12/21 15:44 2-Chlorotoluene ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 4-Chlorotoluene ND 5.0 " " " " " "
Dibromochloromethane ND 5.0 " " " " " "
1,2-Dibromo-3-chloropropane ND 5.0 " " " " " "
1,2-Dibromoethane (EDB) ND 5.0 " " " " " "
Dibromomethane ND 5.0 " " " " " "
1,2-Dichlorobenzene ND 5.0 " " " " " "
1,3-Dichlorobenzene ND 5.0 " " " " " "
1,4-Dichlorobenzene ND 5.0 " " " " " "
Dichlorodifluoromethane ND 5.0 " " " " " "
1,1-Dichloroethane ND 5.0 " " " " " "
1,2-Dichloroethane ND 5.0 " " " " " "
1,1-Dichloroethene ND 5.0 " " " " " "
cis-1,2-Dichloroethene ND 5.0 " " " " " "
trans-1,2-Dichloroethene ND 5.0 " " " " " "
1,2-Dichloropropane ND 5.0 " " " " " "
1,3-Dichloropropane ND 5.0 " " " " " "
2,2-Dichloropropane ND 5.0 " " " " " "
1,1-Dichloropropene ND 5.0 " " " " " "
cis-1,3-Dichloropropene ND 5.0 " " " " " "
trans-1,3-Dichloropropene ND 5.0 " " " " " "
Ethylbenzene ND 5.0 " " " " " "
Hexachlorobutadiene ND 5.0 " " " " " "
Isopropylbenzene ND 5.0 " " " " " "
p-Isopropyltoluene ND 5.0 " " " " " "
Methylene chloride ND 5.0 " " " " " "
Methyl tert-butyl ether ND 5.0 " " " " " "
Naphthalene ND 5.0 " " " " " "
n-Propylbenzene ND 5.0 " " " " " "
Styrene ND 5.0 " " " " " "
1,1,1,2-Tetrachloroethane ND 5.0 " " " " " "
1,1,2,2-Tetrachloroethane ND 5.0 " " " " " "
Tetrachloroethene ND 5.0 " " " " " "
Toluene ND 5.0 " " " " " "
1,2,3-Trichlorobenzene ND 5.0 " " " " " "
1,2,4-Trichlorobenzene ND 5.0 " " " " " "
1,1,1-Trichloroethane ND 5.0 " " " " " "
1,1,2-Trichloroethane ND 5.0 " " " " " "
Trichloroethene ND 5.0 " " " " " "
Trichlorofluoromethane ND 5.0 " " " " " "
1,2,3-Trichloropropane ND 5.0 " " " " " "

Page 26 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-10 (2107160-08) Soil Sampled: 07/12/21 12:39 Received: 07/12/21 15:44 1,2,4-Trimethylbenzene ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 1,3,5-Trimethylbenzene ND 5.0 " " " " " "
Vinyl chloride ND 5.0 " " " " " "
m,p-Xylene ND 5.0 " " " " " "
o-Xylene ND 5.0 " " " " " "
SV3-15 (2107160-09) Soil Sampled: 07/12/21 12:44 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 118 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 101 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 95.7 % 74-121 " " " "
Benzene ND 5.0 " " " " " "
Bromobenzene ND 5.0 " " " " " "
Bromochloromethane ND 5.0 " " " " " "
Bromodichloromethane ND 5.0 " " " " " "
Bromoform ND 5.0 " " " " " "
Bromomethane ND 5.0 " " " " " "
n-Butylbenzene ND 5.0 " " " " " "
sec-Butylbenzene ND 5.0 " " " " " "
tert-Butylbenzene ND 5.0 " " " " " "
Carbon tetrachloride ND 5.0 " " " " " "
Chlorobenzene ND 5.0 " " " " " "
Chloroethane ND 5.0 " " " " " "
Chloroform ND 5.0 " " " " " "
Chloromethane ND 5.0 " " " " " "
2-Chlorotoluene ND 5.0 " " " " " "
4-Chlorotoluene ND 5.0 " " " " " "
Dibromochloromethane ND 5.0 " " " " " "
1,2-Dibromo-3-chloropropane ND 5.0 " " " " " "
1,2-Dibromoethane (EDB) ND 5.0 " " " " " "
Dibromomethane ND 5.0 " " " " " "
1,2-Dichlorobenzene ND 5.0 " " " " " "
1,3-Dichlorobenzene ND 5.0 " " " " " "
1,4-Dichlorobenzene ND 5.0 " " " " " "
Dichlorodifluoromethane ND 5.0 " " " " " "
1,1-Dichloroethane ND 5.0 " " " " " "
1,2-Dichloroethane ND 5.0 " " " " " "
1,1-Dichloroethene ND 5.0 " " " " " "
cis-1,2-Dichloroethene ND 5.0 " " " " " "
trans-1,2-Dichloroethene ND 5.0 " " " " " "
1,2-Dichloropropane ND 5.0 " " " " " "
1,3-Dichloropropane ND 5.0 " " " " " "

Page 27 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-15 (2107160-09) Soil Sampled: 07/12/21 12:44 Received: 07/12/21 15:44 2,2-Dichloropropane ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 1,1-Dichloropropene ND 5.0 " " " " " "
cis-1,3-Dichloropropene ND 5.0 " " " " " "
trans-1,3-Dichloropropene ND 5.0 " " " " " "
Ethylbenzene ND 5.0 " " " " " "
Hexachlorobutadiene ND 5.0 " " " " " "
Isopropylbenzene ND 5.0 " " " " " "
p-Isopropyltoluene ND 5.0 " " " " " "
Methylene chloride ND 5.0 " " " " " "
Methyl tert-butyl ether ND 5.0 " " " " " "
Naphthalene ND 5.0 " " " " " "
n-Propylbenzene ND 5.0 " " " " " "
Styrene ND 5.0 " " " " " "
1,1,1,2-Tetrachloroethane ND 5.0 " " " " " "
1,1,2,2-Tetrachloroethane ND 5.0 " " " " " "
Tetrachloroethene ND 5.0 " " " " " "
Toluene ND 5.0 " " " " " "
1,2,3-Trichlorobenzene ND 5.0 " " " " " "
1,2,4-Trichlorobenzene ND 5.0 " " " " " "
1,1,1-Trichloroethane ND 5.0 " " " " " "
1,1,2-Trichloroethane ND 5.0 " " " " " "
Trichloroethene ND 5.0 " " " " " "
Trichlorofluoromethane ND 5.0 " " " " " "
1,2,3-Trichloropropane ND 5.0 " " " " " "
1,2,4-Trimethylbenzene ND 5.0 " " " " " "
1,3,5-Trimethylbenzene ND 5.0 " " " " " "
Vinyl chloride ND 5.0 " " " " " "
m,p-Xylene ND 5.0 " " " " " "
o-Xylene ND 5.0 " " " " " "

Page 28 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV4-5 (2107160-10) Soil Sampled: 07/12/21 13:09 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 117 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 100 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 94.6 % 74-121 " " " "
Benzene ND 5.0 " " " " " "
Bromobenzene ND 5.0 " " " " " "
Bromochloromethane ND 5.0 " " " " " "
Bromodichloromethane ND 5.0 " " " " " "
Bromoform ND 5.0 " " " " " "
Bromomethane ND 5.0 " " " " " "
n-Butylbenzene ND 5.0 " " " " " "
sec-Butylbenzene ND 5.0 " " " " " "
tert-Butylbenzene ND 5.0 " " " " " "
Carbon tetrachloride ND 5.0 " " " " " "
Chlorobenzene ND 5.0 " " " " " "
Chloroethane ND 5.0 " " " " " "
Chloroform ND 5.0 " " " " " "
Chloromethane ND 5.0 " " " " " "
2-Chlorotoluene ND 5.0 " " " " " "
4-Chlorotoluene ND 5.0 " " " " " "
Dibromochloromethane ND 5.0 " " " " " "
1,2-Dibromo-3-chloropropane ND 5.0 " " " " " "
1,2-Dibromoethane (EDB) ND 5.0 " " " " " "
Dibromomethane ND 5.0 " " " " " "
1,2-Dichlorobenzene ND 5.0 " " " " " "
1,3-Dichlorobenzene ND 5.0 " " " " " "
1,4-Dichlorobenzene ND 5.0 " " " " " "
Dichlorodifluoromethane ND 5.0 " " " " " "
1,1-Dichloroethane ND 5.0 " " " " " "
1,2-Dichloroethane ND 5.0 " " " " " "
1,1-Dichloroethene ND 5.0 " " " " " "
cis-1,2-Dichloroethene ND 5.0 " " " " " "
trans-1,2-Dichloroethene ND 5.0 " " " " " "
1,2-Dichloropropane ND 5.0 " " " " " "
1,3-Dichloropropane ND 5.0 " " " " " "
2,2-Dichloropropane ND 5.0 " " " " " "
1,1-Dichloropropene ND 5.0 " " " " " "
cis-1,3-Dichloropropene ND 5.0 " " " " " "
trans-1,3-Dichloropropene ND 5.0 " " " " " "
Ethylbenzene ND 5.0 " " " " " "
Hexachlorobutadiene ND 5.0 " " " " " "
Isopropylbenzene ND 5.0 " " " " " "

Page 29 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV4-5 (2107160-10) Soil Sampled: 07/12/21 13:09 Received: 07/12/21 15:44 p-Isopropyltoluene ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Methylene chloride ND 5.0 " " " " " "
Methyl tert-butyl ether ND 5.0 " " " " " "
Naphthalene ND 5.0 " " " " " "
n-Propylbenzene ND 5.0 " " " " " "
Styrene ND 5.0 " " " " " "
1,1,1,2-Tetrachloroethane ND 5.0 " " " " " "
1,1,2,2-Tetrachloroethane ND 5.0 " " " " " "
Tetrachloroethene ND 5.0 " " " " " "
Toluene ND 5.0 " " " " " "
1,2,3-Trichlorobenzene ND 5.0 " " " " " "
1,2,4-Trichlorobenzene ND 5.0 " " " " " "
1,1,1-Trichloroethane ND 5.0 " " " " " "
1,1,2-Trichloroethane ND 5.0 " " " " " "
Trichloroethene ND 5.0 " " " " " "
Trichlorofluoromethane ND 5.0 " " " " " "
1,2,3-Trichloropropane ND 5.0 " " " " " "
1,2,4-Trimethylbenzene ND 5.0 " " " " " "
1,3,5-Trimethylbenzene ND 5.0 " " " " " "
Vinyl chloride ND 5.0 " " " " " "
m,p-Xylene ND 5.0 " " " " " "
o-Xylene ND 5.0 " " " " " "
SV4-10 (2107160-11) Soil Sampled: 07/12/21 13:18 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 119 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 99.8 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 94.6 % 74-121 " " " "
Benzene ND 5.0 " " " " " "
Bromobenzene ND 5.0 " " " " " "
Bromochloromethane ND 5.0 " " " " " "
Bromodichloromethane ND 5.0 " " " " " "
Bromoform ND 5.0 " " " " " "
Bromomethane ND 5.0 " " " " " "
n-Butylbenzene ND 5.0 " " " " " "
sec-Butylbenzene ND 5.0 " " " " " "
tert-Butylbenzene ND 5.0 " " " " " "
Carbon tetrachloride ND 5.0 " " " " " "
Chlorobenzene ND 5.0 " " " " " "
Chloroethane ND 5.0 " " " " " "
Chloroform ND 5.0 " " " " " "
Chloromethane ND 5.0 " " " " " "

Page 30 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV4-10 (2107160-11) Soil Sampled: 07/12/21 13:18 Received: 07/12/21 15:44 2-Chlorotoluene ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 4-Chlorotoluene ND 5.0 " " " " " "
Dibromochloromethane ND 5.0 " " " " " "
1,2-Dibromo-3-chloropropane ND 5.0 " " " " " "
1,2-Dibromoethane (EDB) ND 5.0 " " " " " "
Dibromomethane ND 5.0 " " " " " "
1,2-Dichlorobenzene ND 5.0 " " " " " "
1,3-Dichlorobenzene ND 5.0 " " " " " "
1,4-Dichlorobenzene ND 5.0 " " " " " "
Dichlorodifluoromethane ND 5.0 " " " " " "
1,1-Dichloroethane ND 5.0 " " " " " "
1,2-Dichloroethane ND 5.0 " " " " " "
1,1-Dichloroethene ND 5.0 " " " " " "
cis-1,2-Dichloroethene ND 5.0 " " " " " "
trans-1,2-Dichloroethene ND 5.0 " " " " " "
1,2-Dichloropropane ND 5.0 " " " " " "
1,3-Dichloropropane ND 5.0 " " " " " "
2,2-Dichloropropane ND 5.0 " " " " " "
1,1-Dichloropropene ND 5.0 " " " " " "
cis-1,3-Dichloropropene ND 5.0 " " " " " "
trans-1,3-Dichloropropene ND 5.0 " " " " " "
Ethylbenzene ND 5.0 " " " " " "
Hexachlorobutadiene ND 5.0 " " " " " "
Isopropylbenzene ND 5.0 " " " " " "
p-Isopropyltoluene ND 5.0 " " " " " "
Methylene chloride ND 5.0 " " " " " "
Methyl tert-butyl ether ND 5.0 " " " " " "
Naphthalene ND 5.0 " " " " " "
n-Propylbenzene ND 5.0 " " " " " "
Styrene ND 5.0 " " " " " "
1,1,1,2-Tetrachloroethane ND 5.0 " " " " " "
1,1,2,2-Tetrachloroethane ND 5.0 " " " " " "
Tetrachloroethene ND 5.0 " " " " " "
Toluene ND 5.0 " " " " " "
1,2,3-Trichlorobenzene ND 5.0 " " " " " "
1,2,4-Trichlorobenzene ND 5.0 " " " " " "
1,1,1-Trichloroethane ND 5.0 " " " " " "
1,1,2-Trichloroethane ND 5.0 " " " " " "
Trichloroethene ND 5.0 " " " " " "
Trichlorofluoromethane ND 5.0 " " " " " "
1,2,3-Trichloropropane ND 5.0 " " " " " "

Page 31 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV4-10 (2107160-11) Soil Sampled: 07/12/21 13:18 Received: 07/12/21 15:44 1,2,4-Trimethylbenzene ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 1,3,5-Trimethylbenzene ND 5.0 " " " " " "
Vinyl chloride ND 5.0 " " " " " "
m,p-Xylene ND 5.0 " " " " " "
o-Xylene ND 5.0 " " " " " "
SV4-15 (2107160-12) Soil Sampled: 07/12/21 13:21 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 118 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 101 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 94.5 % 74-121 " " " "
Benzene ND 5.0 " " " " " "
Bromobenzene ND 5.0 " " " " " "
Bromochloromethane ND 5.0 " " " " " "
Bromodichloromethane ND 5.0 " " " " " "
Bromoform ND 5.0 " " " " " "
Bromomethane ND 5.0 " " " " " "
n-Butylbenzene ND 5.0 " " " " " "
sec-Butylbenzene ND 5.0 " " " " " "
tert-Butylbenzene ND 5.0 " " " " " "
Carbon tetrachloride ND 5.0 " " " " " "
Chlorobenzene ND 5.0 " " " " " "
Chloroethane ND 5.0 " " " " " "
Chloroform ND 5.0 " " " " " "
Chloromethane ND 5.0 " " " " " "
2-Chlorotoluene ND 5.0 " " " " " "
4-Chlorotoluene ND 5.0 " " " " " "
Dibromochloromethane ND 5.0 " " " " " "
1,2-Dibromo-3-chloropropane ND 5.0 " " " " " "
1,2-Dibromoethane (EDB) ND 5.0 " " " " " "
Dibromomethane ND 5.0 " " " " " "
1,2-Dichlorobenzene ND 5.0 " " " " " "
1,3-Dichlorobenzene ND 5.0 " " " " " "
1,4-Dichlorobenzene ND 5.0 " " " " " "
Dichlorodifluoromethane ND 5.0 " " " " " "
1,1-Dichloroethane ND 5.0 " " " " " "
1,2-Dichloroethane ND 5.0 " " " " " "
1,1-Dichloroethene ND 5.0 " " " " " "
cis-1,2-Dichloroethene ND 5.0 " " " " " "
trans-1,2-Dichloroethene ND 5.0 " " " " " "
1,2-Dichloropropane ND 5.0 " " " " " "
1,3-Dichloropropane ND 5.0 " " " " " "

Page 32 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV4-15 (2107160-12) Soil Sampled: 07/12/21 13:21 Received: 07/12/21 15:44 2,2-Dichloropropane ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 1,1-Dichloropropene ND 5.0 " " " " " "
cis-1,3-Dichloropropene ND 5.0 " " " " " "
trans-1,3-Dichloropropene ND 5.0 " " " " " "
Ethylbenzene ND 5.0 " " " " " "
Hexachlorobutadiene ND 5.0 " " " " " "
Isopropylbenzene ND 5.0 " " " " " "
p-Isopropyltoluene ND 5.0 " " " " " "
Methylene chloride ND 5.0 " " " " " "
Methyl tert-butyl ether ND 5.0 " " " " " "
Naphthalene ND 5.0 " " " " " "
n-Propylbenzene ND 5.0 " " " " " "
Styrene ND 5.0 " " " " " "
1,1,1,2-Tetrachloroethane ND 5.0 " " " " " "
1,1,2,2-Tetrachloroethane ND 5.0 " " " " " "
Tetrachloroethene ND 5.0 " " " " " "
Toluene ND 5.0 " " " " " "
1,2,3-Trichlorobenzene ND 5.0 " " " " " "
1,2,4-Trichlorobenzene ND 5.0 " " " " " "
1,1,1-Trichloroethane ND 5.0 " " " " " "
1,1,2-Trichloroethane ND 5.0 " " " " " "
Trichloroethene ND 5.0 " " " " " "
Trichlorofluoromethane ND 5.0 " " " " " "
1,2,3-Trichloropropane ND 5.0 " " " " " "
1,2,4-Trimethylbenzene ND 5.0 " " " " " "
1,3,5-Trimethylbenzene ND 5.0 " " " " " "
Vinyl chloride ND 5.0 " " " " " "
m,p-Xylene ND 5.0 " " " " " "
o-Xylene ND 5.0 " " " " " "

Page 33 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-5 (2107160-13) Soil Sampled: 07/12/21 13:50 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 118 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 102 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 94.0 % 74-121 " " " "
Benzene ND 5.0 " " " " " "
Bromobenzene ND 5.0 " " " " " "
Bromochloromethane ND 5.0 " " " " " "
Bromodichloromethane ND 5.0 " " " " " "
Bromoform ND 5.0 " " " " " "
Bromomethane ND 5.0 " " " " " "
n-Butylbenzene ND 5.0 " " " " " "
sec-Butylbenzene ND 5.0 " " " " " "
tert-Butylbenzene ND 5.0 " " " " " "
Carbon tetrachloride ND 5.0 " " " " " "
Chlorobenzene ND 5.0 " " " " " "
Chloroethane ND 5.0 " " " " " "
Chloroform ND 5.0 " " " " " "
Chloromethane ND 5.0 " " " " " "
2-Chlorotoluene ND 5.0 " " " " " "
4-Chlorotoluene ND 5.0 " " " " " "
Dibromochloromethane ND 5.0 " " " " " "
1,2-Dibromo-3-chloropropane ND 5.0 " " " " " "
1,2-Dibromoethane (EDB) ND 5.0 " " " " " "
Dibromomethane ND 5.0 " " " " " "
1,2-Dichlorobenzene ND 5.0 " " " " " "
1,3-Dichlorobenzene ND 5.0 " " " " " "
1,4-Dichlorobenzene ND 5.0 " " " " " "
Dichlorodifluoromethane ND 5.0 " " " " " "
1,1-Dichloroethane ND 5.0 " " " " " "
1,2-Dichloroethane ND 5.0 " " " " " "
1,1-Dichloroethene ND 5.0 " " " " " "
cis-1,2-Dichloroethene ND 5.0 " " " " " "
trans-1,2-Dichloroethene ND 5.0 " " " " " "
1,2-Dichloropropane ND 5.0 " " " " " "
1,3-Dichloropropane ND 5.0 " " " " " "
2,2-Dichloropropane ND 5.0 " " " " " "
1,1-Dichloropropene ND 5.0 " " " " " "
cis-1,3-Dichloropropene ND 5.0 " " " " " "
trans-1,3-Dichloropropene ND 5.0 " " " " " "
Ethylbenzene ND 5.0 " " " " " "
Hexachlorobutadiene ND 5.0 " " " " " "
Isopropylbenzene ND 5.0 " " " " " "

Page 34 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-5 (2107160-13) Soil Sampled: 07/12/21 13:50 Received: 07/12/21 15:44 p-Isopropyltoluene ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Methylene chloride ND 5.0 " " " " " "
Methyl tert-butyl ether ND 5.0 " " " " " "
Naphthalene ND 5.0 " " " " " "
n-Propylbenzene ND 5.0 " " " " " "
Styrene ND 5.0 " " " " " "
1,1,1,2-Tetrachloroethane ND 5.0 " " " " " "
1,1,2,2-Tetrachloroethane ND 5.0 " " " " " "
Tetrachloroethene ND 5.0 " " " " " "
Toluene ND 5.0 " " " " " "
1,2,3-Trichlorobenzene ND 5.0 " " " " " "
1,2,4-Trichlorobenzene ND 5.0 " " " " " "
1,1,1-Trichloroethane ND 5.0 " " " " " "
1,1,2-Trichloroethane ND 5.0 " " " " " "
Trichloroethene ND 5.0 " " " " " "
Trichlorofluoromethane ND 5.0 " " " " " "
1,2,3-Trichloropropane ND 5.0 " " " " " "
1,2,4-Trimethylbenzene ND 5.0 " " " " " "
1,3,5-Trimethylbenzene ND 5.0 " " " " " "
Vinyl chloride ND 5.0 " " " " " "
m,p-Xylene ND 5.0 " " " " " "
o-Xylene ND 5.0 " " " " " "
SV5-10 (2107160-14) Soil Sampled: 07/12/21 14:02 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 100 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 101 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 93.4 % 74-121 " " " "
Benzene ND 5.0 " " " " " "
Bromobenzene ND 5.0 " " " " " "
Bromochloromethane ND 5.0 " " " " " "
Bromodichloromethane ND 5.0 " " " " " "
Bromoform ND 5.0 " " " " " "
Bromomethane ND 5.0 " " " " " "
n-Butylbenzene ND 5.0 " " " " " "
sec-Butylbenzene ND 5.0 " " " " " "
tert-Butylbenzene ND 5.0 " " " " " "
Carbon tetrachloride ND 5.0 " " " " " "
Chlorobenzene ND 5.0 " " " " " "
Chloroethane ND 5.0 " " " " " "
Chloroform ND 5.0 " " " " " "
Chloromethane ND 5.0 " " " " " "

Page 35 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-10 (2107160-14) Soil Sampled: 07/12/21 14:02 Received: 07/12/21 15:44 2-Chlorotoluene ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 4-Chlorotoluene ND 5.0 " " " " " "
Dibromochloromethane ND 5.0 " " " " " "
1,2-Dibromo-3-chloropropane ND 5.0 " " " " " "
1,2-Dibromoethane (EDB) ND 5.0 " " " " " "
Dibromomethane ND 5.0 " " " " " "
1,2-Dichlorobenzene ND 5.0 " " " " " "
1,3-Dichlorobenzene ND 5.0 " " " " " "
1,4-Dichlorobenzene ND 5.0 " " " " " "
Dichlorodifluoromethane ND 5.0 " " " " " "
1,1-Dichloroethane ND 5.0 " " " " " "
1,2-Dichloroethane ND 5.0 " " " " " "
1,1-Dichloroethene ND 5.0 " " " " " "
cis-1,2-Dichloroethene ND 5.0 " " " " " "
trans-1,2-Dichloroethene ND 5.0 " " " " " "
1,2-Dichloropropane ND 5.0 " " " " " "
1,3-Dichloropropane ND 5.0 " " " " " "
2,2-Dichloropropane ND 5.0 " " " " " "
1,1-Dichloropropene ND 5.0 " " " " " "
cis-1,3-Dichloropropene ND 5.0 " " " " " "
trans-1,3-Dichloropropene ND 5.0 " " " " " "
Ethylbenzene ND 5.0 " " " " " "
Hexachlorobutadiene ND 5.0 " " " " " "
Isopropylbenzene ND 5.0 " " " " " "
p-Isopropyltoluene ND 5.0 " " " " " "
Methylene chloride ND 5.0 " " " " " "
Methyl tert-butyl ether ND 5.0 " " " " " "
Naphthalene ND 5.0 " " " " " "
n-Propylbenzene ND 5.0 " " " " " "
Styrene ND 5.0 " " " " " "
1,1,1,2-Tetrachloroethane ND 5.0 " " " " " "
1,1,2,2-Tetrachloroethane ND 5.0 " " " " " "
Tetrachloroethene ND 5.0 " " " " " "
Toluene ND 5.0 " " " " " "
1,2,3-Trichlorobenzene ND 5.0 " " " " " "
1,2,4-Trichlorobenzene ND 5.0 " " " " " "
1,1,1-Trichloroethane ND 5.0 " " " " " "
1,1,2-Trichloroethane ND 5.0 " " " " " "
Trichloroethene ND 5.0 " " " " " "
Trichlorofluoromethane ND 5.0 " " " " " "
1,2,3-Trichloropropane ND 5.0 " " " " " "

Page 36 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-10 (2107160-14) Soil Sampled: 07/12/21 14:02 Received: 07/12/21 15:44 1,2,4-Trimethylbenzene ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 1,3,5-Trimethylbenzene ND 5.0 " " " " " "
Vinyl chloride ND 5.0 " " " " " "
m,p-Xylene ND 5.0 " " " " " "
o-Xylene ND 5.0 " " " " " "
SV5-15 (2107160-15) Soil Sampled: 07/12/21 14:07 Received: 07/12/21 15:44 Surrogate: Dibromofluoromethane 100 % 80-120 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B Surrogate: Toluene-d8 101 % 81-117 " " " "
Surrogate: 4-Bromofluorobenzene 94.1 % 74-121 " " " "
Benzene ND 5.0 " " " " " "
Bromobenzene ND 5.0 " " " " " "
Bromochloromethane ND 5.0 " " " " " "
Bromodichloromethane ND 5.0 " " " " " "
Bromoform ND 5.0 " " " " " "
Bromomethane ND 5.0 " " " " " "
n-Butylbenzene ND 5.0 " " " " " "
sec-Butylbenzene ND 5.0 " " " " " "
tert-Butylbenzene ND 5.0 " " " " " "
Carbon tetrachloride ND 5.0 " " " " " "
Chlorobenzene ND 5.0 " " " " " "
Chloroethane ND 5.0 " " " " " "
Chloroform ND 5.0 " " " " " "
Chloromethane ND 5.0 " " " " " "
2-Chlorotoluene ND 5.0 " " " " " "
4-Chlorotoluene ND 5.0 " " " " " "
Dibromochloromethane ND 5.0 " " " " " "
1,2-Dibromo-3-chloropropane ND 5.0 " " " " " "
1,2-Dibromoethane (EDB) ND 5.0 " " " " " "
Dibromomethane ND 5.0 " " " " " "
1,2-Dichlorobenzene ND 5.0 " " " " " "
1,3-Dichlorobenzene ND 5.0 " " " " " "
1,4-Dichlorobenzene ND 5.0 " " " " " "
Dichlorodifluoromethane ND 5.0 " " " " " "
1,1-Dichloroethane ND 5.0 " " " " " "
1,2-Dichloroethane ND 5.0 " " " " " "
1,1-Dichloroethene ND 5.0 " " " " " "
cis-1,2-Dichloroethene ND 5.0 " " " " " "
trans-1,2-Dichloroethene ND 5.0 " " " " " "
1,2-Dichloropropane ND 5.0 " " " " " "
1,3-Dichloropropane ND 5.0 " " " " " "

Page 37 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Volatile Organic Compounds by EPA Method 8260B
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-15 (2107160-15) Soil Sampled: 07/12/21 14:07 Received: 07/12/21 15:44 2,2-Dichloropropane ND 5.0 µg/kg 1 B1G1312 07/13/21 07/14/21 08:23 EPA 8260B 1,1-Dichloropropene ND 5.0 " " " " " "
cis-1,3-Dichloropropene ND 5.0 " " " " " "
trans-1,3-Dichloropropene ND 5.0 " " " " " "
Ethylbenzene ND 5.0 " " " " " "
Hexachlorobutadiene ND 5.0 " " " " " "
Isopropylbenzene ND 5.0 " " " " " "
p-Isopropyltoluene ND 5.0 " " " " " "
Methylene chloride ND 5.0 " " " " " "
Methyl tert-butyl ether ND 5.0 " " " " " "
Naphthalene ND 5.0 " " " " " "
n-Propylbenzene ND 5.0 " " " " " "
Styrene ND 5.0 " " " " " "
1,1,1,2-Tetrachloroethane ND 5.0 " " " " " "
1,1,2,2-Tetrachloroethane ND 5.0 " " " " " "
Tetrachloroethene ND 5.0 " " " " " "
Toluene ND 5.0 " " " " " "
1,2,3-Trichlorobenzene ND 5.0 " " " " " "
1,2,4-Trichlorobenzene ND 5.0 " " " " " "
1,1,1-Trichloroethane ND 5.0 " " " " " "
1,1,2-Trichloroethane ND 5.0 " " " " " "
Trichloroethene ND 5.0 " " " " " "
Trichlorofluoromethane ND 5.0 " " " " " "
1,2,3-Trichloropropane ND 5.0 " " " " " "
1,2,4-Trimethylbenzene ND 5.0 " " " " " "
1,3,5-Trimethylbenzene ND 5.0 " " " " " "
Vinyl chloride ND 5.0 " " " " " "
m,p-Xylene ND 5.0 " " " " " "
o-Xylene ND 5.0 " " " " " "

Page 38 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Semivolatile Organic Compounds by EPA Method 8270C
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV1-5 (2107160-01) Soil Sampled: 07/12/21 08:54 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 99.9 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 102 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 67.5 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 41.6 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 28.7 % 19-122 " " " "
Surrogate: Terphenyl-d14 119 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

Page 39 of 80 ends

Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV1-5 (2107160-01) Soil Sampled: 07/12/21 08:54 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV1-10 (2107160-02) Soil Sampled: 07/12/21 10:39 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 107 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 104 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 64.3 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 68.0 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 31.5 % 19-122 " " " "
Surrogate: Terphenyl-d14 73.0 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

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Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV1-10 (2107160-02) Soil Sampled: 07/12/21 10:39 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV1-15 (2107160-03) Soil Sampled: 07/12/21 10:43 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 118 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 101 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 64.5 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 58.7 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 27.1 % 19-122 " " " "
Surrogate: Terphenyl-d14 94.1 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

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Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV1-15 (2107160-03) Soil Sampled: 07/12/21 10:43 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV2-5 (2107160-04) Soil Sampled: 07/12/21 11:20 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 115 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 105 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 75.7 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 69.5 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 76.1 % 19-122 " " " "
Surrogate: Terphenyl-d14 96.6 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

Page 45 of 80 ends

Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV2-5 (2107160-04) Soil Sampled: 07/12/21 11:20 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV2-10 (2107160-05) Soil Sampled: 07/12/21 11:23 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 63.4 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 90.1 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 82.0 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 86.8 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 53.8 % 19-122 " " " "
Surrogate: Terphenyl-d14 92.7 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

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Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV2-10 (2107160-05) Soil Sampled: 07/12/21 11:23 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV2-15 (2107160-06) Soil Sampled: 07/12/21 11:36 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 61.9 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 110 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 80.1 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 94.3 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 51.8 % 19-122 " " " "
Surrogate: Terphenyl-d14 111 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

Page 49 of 80 ends

Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV2-15 (2107160-06) Soil Sampled: 07/12/21 11:36 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-5 (2107160-07) Soil Sampled: 07/12/21 12:35 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 63.7 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 70.1 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 83.4 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 82.1 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 56.1 % 19-122 " " " "
Surrogate: Terphenyl-d14 89.4 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

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Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-5 (2107160-07) Soil Sampled: 07/12/21 12:35 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-10 (2107160-08) Soil Sampled: 07/12/21 12:39 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 72.1 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 59.9 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 97.4 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 114 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 35.7 % 19-122 " " " "
Surrogate: Terphenyl-d14 87.6 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

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Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-10 (2107160-08) Soil Sampled: 07/12/21 12:39 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-15 (2107160-09) Soil Sampled: 07/12/21 12:44 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 103 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 69.7 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 102 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 41.5 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 53.9 % 19-122 " " " "
Surrogate: Terphenyl-d14 89.7 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

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Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV3-15 (2107160-09) Soil Sampled: 07/12/21 12:44 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV4-5 (2107160-10) Soil Sampled: 07/12/21 13:09 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 103 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 65.7 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 95.9 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 48.8 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 58.5 % 19-122 " " " "
Surrogate: Terphenyl-d14 88.0 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

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Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV4-5 (2107160-10) Soil Sampled: 07/12/21 13:09 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV4-10 (2107160-11) Soil Sampled: 07/12/21 13:18 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 106 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 53.9 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 74.9 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 75.3 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 51.7 % 19-122 " " " "
Surrogate: Terphenyl-d14 94.0 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

Page 59 of 80 ends

Project Number:

Project Manager:

Reported:

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV4-10 (2107160-11) Soil Sampled: 07/12/21 13:18 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV4-15 (2107160-12) Soil Sampled: 07/12/21 13:21 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 109 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 82.7 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 99.5 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 74.4 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 49.5 % 19-122 " " " "
Surrogate: Terphenyl-d14 78.1 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

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Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV4-15 (2107160-12) Soil Sampled: 07/12/21 13:21 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-5 (2107160-13) Soil Sampled: 07/12/21 13:50 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 111 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 85.4 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 101 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 49.9 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 35.5 % 19-122 " " " "
Surrogate: Terphenyl-d14 88.2 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

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Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-5 (2107160-13) Soil Sampled: 07/12/21 13:50 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-10 (2107160-14) Soil Sampled: 07/12/21 14:02 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 55.4 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 98.9 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 60.5 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 81.9 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 39.9 % 19-122 " " " "
Surrogate: Terphenyl-d14 117 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

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Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-10 (2107160-14) Soil Sampled: 07/12/21 14:02 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-15 (2107160-15) Soil Sampled: 07/12/21 14:07 Received: 07/12/21 15:44 Surrogate: 2-Fluorophenol 91.5 % 25-121 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C Surrogate: Phenol-d6 61.0 % 24-113 " " " "
Surrogate: Nitrobenzene-d5 39.5 % 23-120 " " " "
Surrogate: 2-Fluorobiphenyl 72.5 % 30-115 " " " "
Surrogate: 2,4,6-Tribromophenol 83.1 % 19-122 " " " "
Surrogate: Terphenyl-d14 85.4 % 18-137 " " " "
Acenaphthene ND 0.33 " " " " " "
Acenaphthylene ND 0.33 " " " " " "
Anthracene ND 0.33 " " " " " "
Benzidine ND 0.33 " " " " " "
Benzo (a) anthracene ND 0.33 " " " " " "
Benzo (b) fluoranthene ND 0.33 " " " " " "
Benzo (k) fluoranthene ND 0.33 " " " " " "
Benzo (a) pyrene ND 0.33 " " " " " "
Benzo (g,h,i) perylene ND 0.33 " " " " " "
Benzyl alcohol ND 0.33 " " " " " "
Bis(2-chloroethyl)ether ND 0.33 " " " " " "
Bis(2-chloroethoxy)methane ND 0.33 " " " " " "
Bis(2-ethylhexyl)phthalate ND 0.33 " " " " " "
Bis(2-chloroisopropyl)ether ND 0.33 " " " " " "
4-Bromophenyl phenyl ether ND 0.33 " " " " " "
Butyl benzyl phthalate ND 0.33 " " " " " "
4-Chloroaniline ND 0.33 " " " " " "
2-Chlorophenol ND 0.33 " " " " " "
4-Chloro-3-methylphenol ND 0.33 " " " " " "
2-Chloronaphthalene ND 0.33 " " " " " "
4-Chlorophenyl phenyl ether ND 0.33 " " " " " "
Chrysene ND 0.33 " " " " " "
Dibenz (a,h) anthracene ND 0.33 " " " " " "
Dibenzofuran ND 0.33 " " " " " "
1,3-Dichlorobenzene ND 0.33 " " " " " "
1,2-Dichlorobenzene ND 0.33 " " " " " "
1,4-Dichlorobenzene ND 0.33 " " " " " "
3,3´-Dichlorobenzidine ND 0.33 " " " " " "
2,4-Dichlorophenol ND 0.33 " " " " " "
Diethyl phthalate ND 0.33 " " " " " "
2,4-Dimethylphenol ND 0.33 " " " " " "
Dimethyl phthalate ND 0.33 " " " " " "
Di-n-butyl phthalate ND 0.33 " " " " " "
2,4-Dinitrophenol ND 0.33 " " " " " "
4,6-Dinitro-2-methylphenol ND 0.33 " " " " " "

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Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV5-15 (2107160-15) Soil Sampled: 07/12/21 14:07 Received: 07/12/21 15:44 2,4-Dinitrotoluene ND 0.33 mg/kg 1 B1G1405 07/14/21 07/14/21 14:33 EPA 8270C 2,6-Dinitrotoluene ND 0.33 " " " " " "
Di-n-octyl phthalate ND 0.33 " " " " " "
1,2-Diphenylhydrazine ND 0.33 " " " " " "
Fluoranthene ND 0.33 " " " " " "
Fluorene ND 0.33 " " " " " "
Hexachlorobenzene ND 0.33 " " " " " "
Hexachlorobutadiene ND 0.33 " " " " " "
Hexachlorocyclopentadiene ND 0.33 " " " " " "
Hexachloroethane ND 0.33 " " " " " "
Indeno (1,2,3-cd) pyrene ND 0.33 " " " " " "
Isophorone ND 0.33 " " " " " "
2-Methylnaphthalene ND 0.33 " " " " " "
2-Methylphenol ND 0.33 " " " " " "
4-Methylphenol ND 0.33 " " " " " "
Naphthalene ND 0.33 " " " " " "
2-Nitroaniline ND 0.33 " " " " " "
3-Nitroaniline ND 0.33 " " " " " "
4-Nitroaniline ND 0.33 " " " " " "
Nitrobenzene ND 0.33 " " " " " "
2-Nitrophenol ND 0.33 " " " " " "
4-Nitrophenol ND 0.33 " " " " " "
N-Nitrosodimethylamine ND 0.33 " " " " " "
Diphenylamine ND 0.33 " " " " " "
N-Nitrosodi-n-propylamine ND 0.33 " " " " " "
Pentachlorophenol ND 0.33 " " " " " "
Phenanthrene ND 0.33 " " " " " "
Phenol ND 0.33 " " " " " "
Pyrene ND 0.33 " " " " " "
1,2,4-Trichlorobenzene ND 0.33 " " " " " "
2,4,5-Trichlorophenol ND 0.33 " " " " " "
2,4,6-Trichlorophenol ND 0.33 " " " " " "

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Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
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 B1G1307 - EPA 3060A
Blank (B1G1307-BLK1) Prepared: 07/13/21 Analyzed: 07/14/21 Hexavalent Chromium ND 0.10 mg/kg
LCS (B1G1307-BS1) Prepared: 07/13/21 Analyzed: 07/14/21 Hexavalent Chromium 0.151 0.10 mg/kg 0.150 101 80-120
Matrix Spike (B1G1307-MS1) Source: 2107160-01 Prepared: 07/13/21 Analyzed: 07/14/21 Hexavalent Chromium 0.160 0.10 mg/kg 0.149 ND 107 75-125 Matrix Spike Dup (B1G1307-MSD1) Source: 2107160-01 Prepared: 07/13/21 Analyzed: 07/14/21 Hexavalent Chromium 0.154 0.10 mg/kg 0.149 ND 104 75-125 3.48 20 Batch B1G1308 - EPA 3050B
Blank (B1G1308-BLK1) Prepared: 07/13/21 Analyzed: 07/14/21 Barium ND 6.0 mg/kg
Beryllium ND 2.2 "
Antimony ND 8.0 "
Cadmium ND 2.5 "
Lead ND 7.1 "
Thallium ND 17 "
Nickel ND 3.0 "
Selenium ND 6.9 "
Chromium ND 2.3 "
Molybdenum ND 5.2 "
Copper ND 5.0 "
Cobalt ND 3.3 "
Zinc ND 7.0 "
Silver ND 2.0 "
Arsenic ND 5.5 "
Vanadium ND 5.1 "

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Batch B1G1308 - EPA 3050B
LCS (B1G1308-BS1) Prepared: 07/13/21 Analyzed: 07/14/21 Cadmium 94.4 2.5 mg/kg 100 94.4 80-120
Zinc 99.5 7.0 " 100 99.5 80-120
Molybdenum 111 5.2 " 100 111 80-120
Chromium 85.0 2.3 " 100 85.0 80-120
Nickel 113 3.0 " 100 113 80-120
Cobalt 80.4 3.3 " 100 80.4 80-120
Silver 89.3 2.0 " 100 89.3 60-140
Lead 101 7.1 " 100 101 80-120
Copper 103 5.0 " 100 103 78-122
Arsenic 109 5.5 " 100 109 78-122
Barium 99.8 6.0 " 100 99.8 80-120
Selenium 95.1 6.9 " 100 95.1 76-124
Thallium 97.4 17 " 100 97.4 80-120
Vanadium 99.8 5.1 " 100 99.8 80-120
Beryllium 98.2 2.2 " 100 98.2 80-120
Antimony 110 8.0 " 100 110 75-125
LCS Dup (B1G1308-BSD1) Prepared: 07/13/21 Analyzed: 07/14/21 Nickel 116 3.0 mg/kg 100 116 80-120 2.60 20
Vanadium 95.9 5.1 " 100 95.9 80-120 3.99 20
Antimony 94.0 8.0 " 100 94.0 75-125 16.0 20
Lead 96.8 7.1 " 100 96.8 80-120 4.37 20
Thallium 96.3 17 " 100 96.3 80-120 1.11 20
Selenium 94.0 6.9 " 100 94.0 76-124 1.22 20
Copper 113 5.0 " 100 113 78-122 9.46 20
Zinc 87.6 7.0 " 100 87.6 80-120 12.6 20
Molybdenum 96.4 5.2 " 100 96.4 80-120 13.8 20
Cadmium 94.6 2.5 " 100 94.6 80-120 0.212 20
Arsenic 105 5.5 " 100 105 78-122 3.43 20
Barium 101 6.0 " 100 101 80-120 0.948 20
Beryllium 104 2.2 " 100 104 80-120 5.48 20
Silver 92.1 2.0 " 100 92.1 60-140 3.03 40
Cobalt 97.7 3.3 " 100 97.7 80-120 19.5 20
Chromium 99.7 2.3 " 100 99.7 80-120 15.9 20

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Batch B1G1308 - EPA 3050B
Matrix Spike (B1G1308-MS1) Source: 2107160-01 Prepared: 07/13/21 Analyzed: 07/14/21 Lead 95.9 7.1 mg/kg 99.0 5.52 91.3 70-130
Arsenic 88.1 5.5 " 99.0 ND 89.0 70-130
Copper 114 5.0 " 99.0 8.79 106 70-130
Barium 160 6.0 " 99.0 67.9 93.5 70-130
Antimony 91.4 8.0 " 99.0 1.56 90.8 60-140
Chromium 95.2 2.3 " 99.0 9.80 86.2 70-130
Cadmium 92.0 2.5 " 99.0 0.470 92.4 70-130
Silver 100 2.0 " 99.0 ND 101 60-140
Molybdenum 80.0 5.2 " 99.0 0.644 80.2 70-130
Thallium 91.3 17 " 99.0 ND 92.2 70-130
Selenium 87.0 6.9 " 99.0 ND 87.8 70-130
Vanadium 97.6 5.1 " 99.0 14.8 83.6 70-130
Nickel 93.3 3.0 " 99.0 6.44 87.7 70-130
Cobalt 99.8 3.3 " 99.0 5.40 95.4 70-130
Zinc 114 7.0 " 99.0 27.3 87.7 70-130
Beryllium 79.7 2.2 " 99.0 0.446 80.0 70-130
Matrix Spike Dup (B1G1308-MSD1) Source: 2107160-01 Prepared: 07/13/21 Analyzed: 07/14/21 Silver 95.7 2.0 mg/kg 98.4 ND 97.3 60-140 4.62 40
Vanadium 104 5.1 " 98.4 14.8 90.6 70-130 6.34 20
Thallium 99.6 17 " 98.4 ND 101 70-130 8.64 20
Zinc 122 7.0 " 98.4 27.3 96.6 70-130 7.05 20
Chromium 99.0 2.3 " 98.4 9.80 90.7 70-130 3.96 20
Molybdenum 85.9 5.2 " 98.4 0.644 86.7 70-130 7.17 20
Copper 123 5.0 " 98.4 8.79 116 70-130 7.73 30
Antimony 98.7 8.0 " 98.4 1.56 98.7 60-140 7.69 20
Barium 175 6.0 " 98.4 67.9 109 70-130 8.76 20
Lead 104 7.1 " 98.4 5.52 100 70-130 8.31 30
Beryllium 85.1 2.2 " 98.4 0.446 86.0 70-130 6.57 20
Nickel 98.9 3.0 " 98.4 6.44 93.9 70-130 5.80 20
Cadmium 95.7 2.5 " 98.4 0.470 96.8 70-130 3.98 20
Arsenic 97.4 5.5 " 98.4 ND 98.9 70-130 10.0 20
Selenium 96.1 6.9 " 98.4 ND 97.6 70-130 10.0 20
Cobalt 105 3.3 " 98.4 5.40 102 70-130 5.44 20

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Project Manager:

Reported:

Batch B1G1309 - EPA 7471A
Blank (B1G1309-BLK1) Prepared & Analyzed: 07/13/21
Mercury ND 0.90 mg/kg
LCS (B1G1309-BS1) Prepared & Analyzed: 07/13/21
Mercury 0.16 0.90 mg/kg 0.167 94.9 70-130
Matrix Spike (B1G1309-MS1) Source: 2107160-01 Prepared & Analyzed: 07/13/21 Mercury 0.15 0.90 mg/kg 0.158 ND 97.6 70-130
Matrix Spike Dup (B1G1309-MSD1) Source: 2107160-01 Prepared & Analyzed: 07/13/21 Mercury 0.16 0.90 mg/kg 0.157 ND 99.4 70-130 1.67 30

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Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Analyte Limit Notes
Total Petroleum Hydrocarbons Carbon Range Analysis by GC-FID - Quality Control Sierra Analytical Labs, Inc.

Batch B1G1302 - EPA 5035 P & T
Blank (B1G1302-BLK1) Prepared: 07/13/21 Analyzed: 07/14/21 Total Petroleum Hydrocarbons (C4-C12) ND 0.050 mg/kg
LCS (B1G1302-BS1) Prepared: 07/13/21 Analyzed: 07/14/21 Gasoline Range Hydrocarbons (C4-C12) 0.525 0.050 mg/kg 0.600 87.5 80-120 Matrix Spike (B1G1302-MS1) Source: 2107160-01 Prepared: 07/13/21 Analyzed: 07/14/21 Gasoline Range Hydrocarbons (C4-C12) 0.493 0.050 mg/kg 0.600 ND 82.2 50-150 Matrix Spike Dup (B1G1302-MSD1) Source: 2107160-01 Prepared: 07/13/21 Analyzed: 07/14/21 Gasoline Range Hydrocarbons (C4-C12) 0.551 0.050 mg/kg 0.600 ND 91.8 50-150 11.1 30 Batch B1G1401 - EPA 3550B Solid Ext
Blank (B1G1401-BLK1) Prepared & Analyzed: 07/14/21
Total Petroleum Hydrocarbons (C13-C22) ND 5.0 mg/kg
Total Petroleum Hydrocarbons (C23-C40) ND 5.0 "
LCS (B1G1401-BS1) Prepared & Analyzed: 07/14/21
Diesel Range Organics (C10-C24) 16.9 5.0 mg/kg 20.0 84.4 80-120 Matrix Spike (B1G1401-MS1) Source: 2107164-04 Prepared & Analyzed: 07/14/21 Diesel Range Organics (C10-C24) 15.4 5.0 mg/kg 20.0 ND 77.0 50-150 Matrix Spike Dup (B1G1401-MSD1) Source: 2107164-04 Prepared & Analyzed: 07/14/21 Diesel Range Organics (C10-C24) 14.7 5.0 mg/kg 20.0 ND 73.4 50-150 4.74 30

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Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Analyte Limit Notes
Volatile Organic Compounds by EPA Method 8260B - Quality Control Sierra Analytical Labs, Inc.

Batch B1G1312 - EPA 5035 P & T
Blank (B1G1312-BLK1) Prepared: 07/13/21 Analyzed: 07/14/21 Benzene ND 5.0 µg/kg
Bromobenzene ND 5.0 "
Bromochloromethane ND 5.0 "
Bromodichloromethane ND 5.0 "
Bromoform ND 5.0 "
Bromomethane ND 5.0 "
n-Butylbenzene ND 5.0 "
sec-Butylbenzene ND 5.0 "
tert-Butylbenzene ND 5.0 "
Carbon tetrachloride ND 5.0 "
Chlorobenzene ND 5.0 "
Chloroethane ND 5.0 "
Chloroform ND 5.0 "
Chloromethane ND 5.0 "
2-Chlorotoluene ND 5.0 "
4-Chlorotoluene ND 5.0 "
Dibromochloromethane ND 5.0 "
1,2-Dibromo-3-chloropropane ND 5.0 "
1,2-Dibromoethane (EDB) ND 5.0 "
Dibromomethane ND 5.0 "
1,2-Dichlorobenzene ND 5.0 "
1,3-Dichlorobenzene ND 5.0 "
1,4-Dichlorobenzene ND 5.0 "
Dichlorodifluoromethane ND 5.0 "
1,1-Dichloroethane ND 5.0 "
1,2-Dichloroethane ND 5.0 "
1,1-Dichloroethene ND 5.0 "
cis-1,2-Dichloroethene ND 5.0 "
trans-1,2-Dichloroethene ND 5.0 "
1,2-Dichloropropane ND 5.0 "
1,3-Dichloropropane ND 5.0 "
2,2-Dichloropropane ND 5.0 "
1,1-Dichloropropene ND 5.0 "
cis-1,3-Dichloropropene ND 5.0 "
trans-1,3-Dichloropropene ND 5.0 "
Ethylbenzene ND 5.0 "
Hexachlorobutadiene ND 5.0 "

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Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Analyte Limit Notes
Volatile Organic Compounds by EPA Method 8260B - Quality Control Sierra Analytical Labs, Inc.

Batch B1G1312 - EPA 5035 P & T
Blank (B1G1312-BLK1) Prepared: 07/13/21 Analyzed: 07/14/21 Isopropylbenzene ND 5.0 µg/kg
p-Isopropyltoluene ND 5.0 "
Methylene chloride ND 5.0 "
Methyl tert-butyl ether ND 5.0 "
Naphthalene ND 5.0 "
n-Propylbenzene ND 5.0 "
Styrene ND 5.0 "
1,1,1,2-Tetrachloroethane ND 5.0 "
1,1,2,2-Tetrachloroethane ND 5.0 "
Tetrachloroethene ND 5.0 "
Toluene ND 5.0 "
1,2,3-Trichlorobenzene ND 5.0 "
1,2,4-Trichlorobenzene ND 5.0 "
1,1,1-Trichloroethane ND 5.0 "
1,1,2-Trichloroethane ND 5.0 "
Trichloroethene ND 5.0 "
Trichlorofluoromethane ND 5.0 "
1,2,3-Trichloropropane ND 5.0 "
1,2,4-Trimethylbenzene ND 5.0 "
1,3,5-Trimethylbenzene ND 5.0 "
Vinyl chloride ND 5.0 "
m,p-Xylene ND 5.0 "
o-Xylene ND 5.0 "
LCS (B1G1312-BS1) Prepared: 07/13/21 Analyzed: 07/14/21 Benzene 54.6 5.0 µg/kg 50.0 109 80-120
Chlorobenzene 47.7 5.0 " 50.0 95.4 80-120
1,1-Dichloroethene 56.6 5.0 " 50.0 113 80-120
Toluene 47.8 5.0 " 50.0 95.6 80-120
Trichloroethene 55.3 5.0 " 50.0 111 80-120

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Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Analyte Limit Notes
Volatile Organic Compounds by EPA Method 8260B - Quality Control Sierra Analytical Labs, Inc.

Batch B1G1312 - EPA 5035 P & T
Matrix Spike (B1G1312-MS1) Source: 2107160-01 Prepared: 07/13/21 Analyzed: 07/14/21 Benzene 50.2 5.0 µg/kg 50.0 ND 100 37-151
Chlorobenzene 41.5 5.0 " 50.0 ND 83.0 37-160
1,1-Dichloroethene 51.2 5.0 " 50.0 ND 102 50-150
Toluene 43.5 5.0 " 50.0 ND 86.9 47-150
Trichloroethene 50.2 5.0 " 50.0 ND 100 71-157
Matrix Spike Dup (B1G1312-MSD1) Source: 2107160-01 Prepared: 07/13/21 Analyzed: 07/14/21 Benzene 51.0 5.0 µg/kg 50.0 ND 102 37-151 1.40 30
Chlorobenzene 42.0 5.0 " 50.0 ND 84.0 37-160 1.20 30
1,1-Dichloroethene 49.6 5.0 " 50.0 ND 99.2 50-150 3.21 30 Toluene 43.3 5.0 " 50.0 ND 86.5 47-150 0.461 30
Trichloroethene 56.5 5.0 " 50.0 ND 113 71-157 11.8 30

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Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Analyte Limit Notes
Semivolatile Organic Compounds by EPA Method 8270C - Quality Control Sierra Analytical Labs, Inc.

Batch B1G1405 - EPA 3550B Solid Ext
Blank (B1G1405-BLK1) Prepared & Analyzed: 07/14/21
Acenaphthene ND 0.33 mg/kg
Acenaphthylene ND 0.33 "
Anthracene ND 0.33 "
Benzidine ND 0.33 "
Benzo (a) anthracene ND 0.33 "
Benzo (b) fluoranthene ND 0.33 "
Benzo (k) fluoranthene ND 0.33 "
Benzo (a) pyrene ND 0.33 "
Benzo (g,h,i) perylene ND 0.33 "
Benzyl alcohol ND 0.33 "
Bis(2-chloroethyl)ether ND 0.33 "
Bis(2-chloroethoxy)methane ND 0.33 "
Bis(2-ethylhexyl)phthalate ND 0.33 "
Bis(2-chloroisopropyl)ether ND 0.33 "
4-Bromophenyl phenyl ether ND 0.33 "
Butyl benzyl phthalate ND 0.33 "
4-Chloroaniline ND 0.33 "
2-Chlorophenol ND 0.33 "
4-Chloro-3-methylphenol ND 0.33 "
2-Chloronaphthalene ND 0.33 "
4-Chlorophenyl phenyl ether ND 0.33 "
Chrysene ND 0.33 "
Dibenz (a,h) anthracene ND 0.33 "
Dibenzofuran ND 0.33 "
1,3-Dichlorobenzene ND 0.33 "
1,2-Dichlorobenzene ND 0.33 "
1,4-Dichlorobenzene ND 0.33 "
3,3´-Dichlorobenzidine ND 0.33 "
2,4-Dichlorophenol ND 0.33 "
Diethyl phthalate ND 0.33 "
2,4-Dimethylphenol ND 0.33 "
Dimethyl phthalate ND 0.33 "
Di-n-butyl phthalate ND 0.33 "
2,4-Dinitrophenol ND 0.33 "
4,6-Dinitro-2-methylphenol ND 0.33 "
2,4-Dinitrotoluene ND 0.33 "
2,6-Dinitrotoluene ND 0.33 "

Page 77 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Analyte Limit Notes
Semivolatile Organic Compounds by EPA Method 8270C - Quality Control Sierra Analytical Labs, Inc.

Batch B1G1405 - EPA 3550B Solid Ext
Blank (B1G1405-BLK1) Prepared & Analyzed: 07/14/21
Di-n-octyl phthalate ND 0.33 mg/kg
1,2-Diphenylhydrazine ND 0.33 "
Fluoranthene ND 0.33 "
Fluorene ND 0.33 "
Hexachlorobenzene ND 0.33 "
Hexachlorobutadiene ND 0.33 "
Hexachlorocyclopentadiene ND 0.33 "
Hexachloroethane ND 0.33 "
Indeno (1,2,3-cd) pyrene ND 0.33 "
Isophorone ND 0.33 "
2-Methylnaphthalene ND 0.33 "
2-Methylphenol ND 0.33 "
4-Methylphenol ND 0.33 "
Naphthalene ND 0.33 "
2-Nitroaniline ND 0.33 "
3-Nitroaniline ND 0.33 "
4-Nitroaniline ND 0.33 "
Nitrobenzene ND 0.33 "
2-Nitrophenol ND 0.33 "
4-Nitrophenol ND 0.33 "
N-Nitrosodimethylamine ND 0.33 "
Diphenylamine ND 0.33 "
N-Nitrosodi-n-propylamine ND 0.33 "
Pentachlorophenol ND 0.33 "
Phenanthrene ND 0.33 "
Phenol ND 0.33 "
Pyrene ND 0.33 "
1,2,4-Trichlorobenzene ND 0.33 "
2,4,5-Trichlorophenol ND 0.33 "
2,4,6-Trichlorophenol ND 0.33 "

Page 78 of 80 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Analyte Limit Notes
Semivolatile Organic Compounds by EPA Method 8270C - Quality Control Sierra Analytical Labs, Inc.

Batch B1G1405 - EPA 3550B Solid Ext
LCS (B1G1405-BS1) Prepared & Analyzed: 07/14/21
Acenaphthene 0.858 0.33 mg/kg 1.00 85.8 47-145
2-Chlorophenol 1.86 0.33 " 2.00 93.2 23-134
4-Chloro-3-methylphenol 2.15 0.33 " 2.00 108 22-147
1,4-Dichlorobenzene 0.795 0.33 " 1.00 79.5 20-124
2,4-Dinitrotoluene 0.517 0.33 " 1.00 51.7 39-139
4-Nitrophenol 0.628 0.33 " 2.00 31.4 0-132
N-Nitrosodi-n-propylamine 0.741 0.33 " 1.00 74.1 0-230
Pentachlorophenol 0.387 0.33 " 2.00 19.4 14-176
Phenol 1.56 0.33 " 2.00 77.9 5-112
Pyrene 1.09 0.33 " 1.00 109 52-115
1,2,4-Trichlorobenzene 0.632 0.33 " 1.00 63.2 44-142
Matrix Spike (B1G1405-MS1) Source: 2107160-01 Prepared & Analyzed: 07/14/21 Acenaphthene 0.942 0.33 mg/kg 1.00 ND 94.2 47-145
2-Chlorophenol 1.93 0.33 " 2.00 ND 96.3 23-134
4-Chloro-3-methylphenol 1.89 0.33 " 2.00 ND 94.4 22-147 1,4-Dichlorobenzene 0.919 0.33 " 1.00 ND 91.9 20-124
2,4-Dinitrotoluene 0.541 0.33 " 1.00 ND 54.1 39-139
4-Nitrophenol 0.607 0.33 " 2.00 ND 30.4 0-132
N-Nitrosodi-n-propylamine 0.885 0.33 " 1.00 ND 88.5 0-230 Pentachlorophenol 0.571 0.33 " 2.00 ND 28.6 14-176
Phenol 1.62 0.33 " 2.00 ND 81.0 5-112
Pyrene 0.917 0.33 " 1.00 ND 91.7 52-115
1,2,4-Trichlorobenzene 0.831 0.33 " 1.00 ND 83.1 44-142 Matrix Spike Dup (B1G1405-MSD1) Source: 2107160-01 Prepared & Analyzed: 07/14/21 Acenaphthene 1.02 0.33 mg/kg 1.00 ND 102 47-145 7.46 30 2-Chlorophenol 2.10 0.33 " 2.00 ND 105 23-134 8.88 30
4-Chloro-3-methylphenol 1.81 0.33 " 2.00 ND 90.3 22-147 4.49 30 1,4-Dichlorobenzene 0.983 0.33 " 1.00 ND 98.3 20-124 6.73 30 2,4-Dinitrotoluene 0.466 0.33 " 1.00 ND 46.6 39-139 14.9 30 4-Nitrophenol 0.644 0.33 " 2.00 ND 32.2 0-132 5.92 30
N-Nitrosodi-n-propylamine 0.913 0.33 " 1.00 ND 91.3 0-230 3.11 30 Pentachlorophenol 0.595 0.33 " 2.00 ND 29.8 14-176 4.12 30 Phenol 1.63 0.33 " 2.00 ND 81.4 5-112 0.492 30
Pyrene 1.15 0.33 " 1.00 ND 115 52-115 22.3 30
1,2,4-Trichlorobenzene 0.863 0.33 " 1.00 ND 86.3 44-142 3.78 30

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Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/19/21 09:26
Town Center Northwest
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 80 of 80 ends

Mearns Consulting LLC
RE:Town Center Northwest
Santa Monica, CA 90405
738 Ashland Avenue
Susan Mearns
Attached are the results of the analyses for samples received by the laboratory on 07/13/21 17:07.

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,
22 July 2021
Richard K. Forsyth
Laboratory Director
Work Order No.: 2107188
Sierra Analytical Labs, Inc. is certified by the California Department of Health Services (DOHS), Environmental Laboratory Accredidation Program (ELAP) No. 2320.

Project:

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Sample ID Laboratory ID Matrix Date Sampled

ANALYTICAL REPORT FOR SAMPLES
Date Received
SV6-5 2107188-01 Soil 07/13/21 07:35 07/13/21 17:07
SV6-10 2107188-02 Soil 07/13/21 07:44 07/13/21 17:07
SV6-15 2107188-03 Soil 07/13/21 07:51 07/13/21 17:07
SV7-5 2107188-04 Soil 07/13/21 08:15 07/13/21 17:07
SV7-10 2107188-05 Soil 07/13/21 08:25 07/13/21 17:07
SV7-15 2107188-06 Soil 07/13/21 08:30 07/13/21 17:07
SV8-5 2107188-07 Soil 07/13/21 08:56 07/13/21 17:07
SV8-10 2107188-08 Soil 07/13/21 08:58 07/13/21 17:07
SV8-15 2107188-09 Soil 07/13/21 09:06 07/13/21 17:07
SV9-5 2107188-10 Soil 07/13/21 09:19 07/13/21 17:07
SV9-10 2107188-11 Soil 07/13/21 09:22 07/13/21 17:07
SV9-15 2107188-12 Soil 07/13/21 09:24 07/13/21 17:07
SV10-5 2107188-13 Soil 07/13/21 09:32 07/13/21 17:07
SV10-10 2107188-14 Soil 07/13/21 09:36 07/13/21 17:07
SV10-15 2107188-15 Soil 07/13/21 09:52 07/13/21 17:07
SV11-5 2107188-16 Soil 07/13/21 10:16 07/13/21 17:07

Page 1 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Sample ID Laboratory ID Matrix Date Sampled

ANALYTICAL REPORT FOR SAMPLES
Date Received
SV11-10 2107188-17 Soil 07/13/21 10:20 07/13/21 17:07
SV11-15 2107188-18 Soil 07/13/21 10:26 07/13/21 17:07
SV12-5 2107188-19 Soil 07/13/21 10:49 07/13/21 17:07
SV12-10 2107188-20 Soil 07/13/21 10:58 07/13/21 17:07
SV12-15 2107188-21 Soil 07/13/21 11:07 07/13/21 17:07
SV13-5 2107188-22 Soil 07/13/21 11:26 07/13/21 17:07
SV13-10 2107188-23 Soil 07/13/21 11:31 07/13/21 17:07
SV13-15 2107188-24 Soil 07/13/21 11:38 07/13/21 17:07
SV14-5 2107188-25 Soil 07/13/21 12:49 07/13/21 17:07
SV14-10 2107188-26 Soil 07/13/21 12:54 07/13/21 17:07
SV14-15 2107188-27 Soil 07/13/21 13:01 07/13/21 17:07
SV15-5 2107188-28 Soil 07/13/21 13:19 07/13/21 17:07
SV15-10 2107188-29 Soil 07/13/21 13:23 07/13/21 17:07
SV15-15 2107188-30 Soil 07/13/21 13:27 07/13/21 17:07
SV16-5 2107188-31 Soil 07/13/21 13:54 07/13/21 17:07
SV16-10 2107188-32 Soil 07/13/21 13:57 07/13/21 17:07
SV16-15 2107188-33 Soil 07/13/21 14:00 07/13/21 17:07

Page 2 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Sample ID Laboratory ID Matrix Date Sampled

ANALYTICAL REPORT FOR SAMPLES
Date Received
SV17-5 2107188-34 Soil 07/13/21 14:44 07/13/21 17:07
SV17-10 2107188-35 Soil 07/13/21 14:48 07/13/21 17:07
SV17-15 2107188-36 Soil 07/13/21 14:53 07/13/21 17:07
SV18-5 2107188-37 Soil 07/13/21 15:19 07/13/21 17:07
SV18-10 2107188-38 Soil 07/13/21 15:25 07/13/21 17:07
SV18-15 2107188-39 Soil 07/13/21 15:29 07/13/21 17:07
SV19-5 2107188-40 Soil 07/13/21 15:49 07/13/21 17:07
SV19-10 2107188-41 Soil 07/13/21 15:54 07/13/21 17:07
SV19-15 2107188-42 Soil 07/13/21 15:59 07/13/21 17:07

Page 3 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV6-5 (2107188-01) Soil Sampled: 07/13/21 07:35 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 83 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 7.6 3.3 " " " " " "
Chromium 14 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 14 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 8.5 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 24 5.1 " " " " " "
Zinc 28 7.0 " " " " " "
SV6-10 (2107188-02) Soil Sampled: 07/13/21 07:44 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 66 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 6.4 3.3 " " " " " "
Chromium 21 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 16 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 12 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 31 5.1 " " " " " "
Zinc 40 7.0 " " " " " "

Page 4 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV6-15 (2107188-03) Soil Sampled: 07/13/21 07:51 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 42 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 4.3 3.3 " " " " " "
Chromium 9.4 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 9.0 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 6.4 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 14 5.1 " " " " " "
Zinc 27 7.0 " " " " " "
SV7-5 (2107188-04) Soil Sampled: 07/13/21 08:15 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 73 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 7.2 3.3 " " " " " "
Chromium 16 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 13 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 11 3.0 " " " " " "
Lead 7.2 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 27 5.1 " " " " " "
Zinc 34 7.0 " " " " " "

Page 5 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV7-10 (2107188-05) Soil Sampled: 07/13/21 08:25 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 50 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 6.6 3.3 " " " " " "
Chromium 13 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 11 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 7.6 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 19 5.1 " " " " " "
Zinc 25 7.0 " " " " " "
SV7-15 (2107188-06) Soil Sampled: 07/13/21 08:30 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 37 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 3.6 3.3 " " " " " "
Chromium 10 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 8.4 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 6.7 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 16 5.1 " " " " " "
Zinc 20 7.0 " " " " " "

Page 6 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV8-5 (2107188-07) Soil Sampled: 07/13/21 08:56 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 30 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt ND 3.3 " " " " " "
Chromium 5.7 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 7.8 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 4.0 3.0 " " " " " "
Lead 19 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 9.1 5.1 " " " " " "
Zinc 26 7.0 " " " " " "
SV8-10 (2107188-08) Soil Sampled: 07/13/21 08:58 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 58 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 10 3.3 " " " " " "
Chromium 12 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 11 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 7.8 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 21 5.1 " " " " " "
Zinc 25 7.0 " " " " " "

Page 7 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV8-15 (2107188-09) Soil Sampled: 07/13/21 09:06 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 50 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 4.6 3.3 " " " " " "
Chromium 17 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 12 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.81 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 9.8 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 19 5.1 " " " " " "
Zinc 29 7.0 " " " " " "
SV9-5 (2107188-10) Soil Sampled: 07/13/21 09:19 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 3100 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 5.1 3.3 " " " " " "
Chromium 26 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 31 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 20 3.0 " " " " " "
Lead 24 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 28 5.1 " " " " " "
Zinc 73 7.0 " " " " " "

Page 8 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV9-10 (2107188-11) Soil Sampled: 07/13/21 09:22 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 77 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 6.2 3.3 " " " " " "
Chromium 17 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 12 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 8.3 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 23 5.1 " " " " " "
Zinc 27 7.0 " " " " " "
SV9-15 (2107188-12) Soil Sampled: 07/13/21 09:24 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 110 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 10 3.3 " " " " " "
Chromium 30 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 17 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 16 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 33 5.1 " " " " " "
Zinc 45 7.0 " " " " " "

Page 9 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV10-5 (2107188-13) Soil Sampled: 07/13/21 09:32 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 650 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 10 3.3 " " " " " "
Chromium 25 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 31 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 24 3.0 " " " " " "
Lead 42 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 36 5.1 " " " " " "
Zinc 100 7.0 " " " " " "
SV10-10 (2107188-14) Soil Sampled: 07/13/21 09:36 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 49 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 4.9 3.3 " " " " " "
Chromium 10 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 8.3 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.79 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 6.0 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 16 5.1 " " " " " "
Zinc 20 7.0 " " " " " "

Page 10 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV10-15 (2107188-15) Soil Sampled: 07/13/21 09:52 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 81 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 11 3.3 " " " " " "
Chromium 21 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 15 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.79 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 13 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 36 5.1 " " " " " "
Zinc 42 7.0 " " " " " "
SV11-5 (2107188-16) Soil Sampled: 07/13/21 10:16 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 150 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 10 3.3 " " " " " "
Chromium 19 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 21 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.78 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 15 3.0 " " " " " "
Lead 17 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 29 5.1 " " " " " "
Zinc 60 7.0 " " " " " "

Page 11 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV11-10 (2107188-17) Soil Sampled: 07/13/21 10:20 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 130 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 8.5 3.3 " " " " " "
Chromium 15 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 10 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 8.1 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 23 5.1 " " " " " "
Zinc 28 7.0 " " " " " "
SV11-15 (2107188-18) Soil Sampled: 07/13/21 10:26 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 64 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 6.0 3.3 " " " " " "
Chromium 19 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 11 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 11 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 23 5.1 " " " " " "
Zinc 31 7.0 " " " " " "

Page 12 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV12-5 (2107188-19) Soil Sampled: 07/13/21 10:49 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 83 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 5.4 3.3 " " " " " "
Chromium 12 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 7.8 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 6.4 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 18 5.1 " " " " " "
Zinc 23 7.0 " " " " " "
SV12-10 (2107188-20) Soil Sampled: 07/13/21 10:58 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 46 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 5.4 3.3 " " " " " "
Chromium 10 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1417 07/14/21 07/19/21 15:20 EPA 7199A Copper 6.7 5.0 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Mercury ND 0.90 " " B1G1414 07/14/21 07/16/21 20:28 EPA 7471A Molybdenum ND 5.2 " " B1G1411 07/14/21 07/19/21 14:17 EPA 6010B Nickel 5.7 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 16 5.1 " " " " " "
Zinc 20 7.0 " " " " " "

Page 13 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV12-15 (2107188-21) Soil Sampled: 07/13/21 11:07 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 32 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 3.3 3.3 " " " " " "
Chromium 7.0 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1418 07/14/21 07/19/21 16:44 EPA 7199A Copper ND 5.0 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Mercury ND 0.90 " " B1G1415 07/14/21 07/16/21 20:30 EPA 7471A Molybdenum ND 5.2 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Nickel 4.5 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 9.2 5.1 " " " " " "
Zinc 16 7.0 " " " " " "
SV13-5 (2107188-22) Soil Sampled: 07/13/21 11:26 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 83 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 7.1 3.3 " " " " " "
Chromium 15 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1418 07/14/21 07/19/21 16:44 EPA 7199A Copper 9.8 5.0 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Mercury ND 0.90 " " B1G1415 07/14/21 07/16/21 20:30 EPA 7471A Molybdenum ND 5.2 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Nickel 8.7 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 23 5.1 " " " " " "
Zinc 31 7.0 " " " " " "

Page 14 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV13-10 (2107188-23) Soil Sampled: 07/13/21 11:31 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 100 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 5.7 3.3 " " " " " "
Chromium 21 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1418 07/14/21 07/19/21 16:44 EPA 7199A Copper 13 5.0 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Mercury ND 0.90 " " B1G1415 07/14/21 07/16/21 20:30 EPA 7471A Molybdenum ND 5.2 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Nickel 10 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 26 5.1 " " " " " "
Zinc 37 7.0 " " " " " "
SV13-15 (2107188-24) Soil Sampled: 07/13/21 11:38 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 46 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 4.5 3.3 " " " " " "
Chromium 12 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1418 07/14/21 07/19/21 16:44 EPA 7199A Copper 8.0 5.0 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Mercury ND 0.90 " " B1G1415 07/14/21 07/16/21 20:30 EPA 7471A Molybdenum ND 5.2 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Nickel 7.0 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 16 5.1 " " " " " "
Zinc 26 7.0 " " " " " "

Page 15 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV14-5 (2107188-25) Soil Sampled: 07/13/21 12:49 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 50 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 4.7 3.3 " " " " " "
Chromium 11 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1418 07/14/21 07/19/21 16:44 EPA 7199A Copper 7.4 5.0 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Mercury ND 0.90 " " B1G1415 07/14/21 07/16/21 20:30 EPA 7471A Molybdenum ND 5.2 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Nickel 5.9 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 15 5.1 " " " " " "
Zinc 22 7.0 " " " " " "
SV14-10 (2107188-26) Soil Sampled: 07/13/21 12:54 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 88 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 5.6 3.3 " " " " " "
Chromium 22 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1418 07/14/21 07/19/21 16:44 EPA 7199A Copper 12 5.0 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Mercury ND 0.78 " " B1G1415 07/14/21 07/16/21 20:30 EPA 7471A Molybdenum ND 5.2 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Nickel 9.1 3.0 " " " " " "
Lead 26 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 17 5.1 " " " " " "
Zinc 61 7.0 " " " " " "

Page 16 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV14-15 (2107188-27) Soil Sampled: 07/13/21 13:01 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 38 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 3.8 3.3 " " " " " "
Chromium 12 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1418 07/14/21 07/19/21 16:44 EPA 7199A Copper 6.9 5.0 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Mercury ND 0.79 " " B1G1415 07/14/21 07/16/21 20:30 EPA 7471A Molybdenum ND 5.2 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Nickel 6.4 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 13 5.1 " " " " " "
Zinc 28 7.0 " " " " " "
SV15-5 (2107188-28) Soil Sampled: 07/13/21 13:19 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 110 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 4.9 3.3 " " " " " "
Chromium 12 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1418 07/14/21 07/19/21 16:44 EPA 7199A Copper 9.0 5.0 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Mercury ND 0.79 " " B1G1415 07/14/21 07/16/21 20:30 EPA 7471A Molybdenum ND 5.2 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Nickel 6.7 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 19 5.1 " " " " " "
Zinc 28 7.0 " " " " " "

Page 17 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV15-10 (2107188-29) Soil Sampled: 07/13/21 13:23 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 79 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 7.8 3.3 " " " " " "
Chromium 16 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1418 07/14/21 07/19/21 16:44 EPA 7199A Copper 13 5.0 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Mercury ND 0.90 " " B1G1415 07/14/21 07/16/21 20:30 EPA 7471A Molybdenum ND 5.2 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Nickel 12 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 26 5.1 " " " " " "
Zinc 38 7.0 " " " " " "
SV15-15 (2107188-30) Soil Sampled: 07/13/21 13:27 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 64 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 4.9 3.3 " " " " " "
Chromium 11 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1418 07/14/21 07/19/21 16:44 EPA 7199A Copper 6.9 5.0 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Mercury ND 0.90 " " B1G1415 07/14/21 07/16/21 20:30 EPA 7471A Molybdenum ND 5.2 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Nickel 7.7 3.0 " " " " " "
Lead ND 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 16 5.1 " " " " " "
Zinc 26 7.0 " " " " " "

Page 18 of 220 ends

Project Number:

Project Manager:

Reported:

Mearns Consulting LLC
738 Ashland Avenue [none]
Santa Monica CA, 90405 Susan Mearns 07/22/21 13:51
Town Center Northwest
Metals by EPA 6000/7000 Series Methods
Sierra Analytical Labs, Inc.

Analyte Result Limit
Reporting
Units Dilution Batch Prepared Analyzed Method Notes
SV16-5 (2107188-31) Soil Sampled: 07/13/21 13:54 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 160 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 7.4 3.3 " " " " " "
Chromium 17 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1418 07/14/21 07/19/21 16:44 EPA 7199A Copper 20 5.0 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Mercury ND 0.90 " " B1G1415 07/14/21 07/16/21 20:30 EPA 7471A Molybdenum ND 5.2 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Nickel 11 3.0 " " " " " "
Lead 19 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 24 5.1 " " " " " "
Zinc 63 7.0 " " " " " "
SV16-10 (2107188-32) Soil Sampled: 07/13/21 13:57 Received: 07/13/21 17:07 Silver ND 2.0 mg/kg 1 B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Arsenic ND 5.5 " " " " " "
Barium 130 6.0 " " " " " "
Beryllium ND 2.2 " " " " " "
Cadmium ND 2.5 " " " " " "
Cobalt 11 3.3 " " " " " "
Chromium 24 2.3 " " " " " "
Hexavalent Chromium ND 0.10 " " B1G1418 07/14/21 07/19/21 16:44 EPA 7199A Copper 27 5.0 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Mercury ND 0.90 " " B1G1415 07/14/21 07/16/21 20:30 EPA 7471A Molybdenum ND 5.2 " " B1G1412 07/14/21 07/19/21 15:58 EPA 6010B Nickel 16 3.0 " " " " " "
Lead 27 7.1 " " " " " "
Antimony ND 8.0 " " " " " "
Selenium ND 6.9 " " " " " "
Thallium ND 17 " " " " " "
Vanadium 36 5.1 " " " " " "
Zinc 86 7.0 " " " " " "

Page 19 of 220 ends

Signal Hill City CouncilJuly 12, 2022

Signal Hill City Council
July 12, 2022