Attachment 6o - CPC Staff Report - May 21, 2026 — Riverside City Council, July 14, 2026 (part 2 of 2)

Project:

Project Number:

Project Manager:

Reported:

GSI Environmental, Inc
7595 Irvine Center Dr, Ste 250
GSI1
11722-10
6239 / Riverside
Samantha CurtisIrvine, CA 92618 08-Dec-22 14:54
2470 Impala Drive
Carlsbad, CA 92010
760-804-9678 Phone
760-804-9159 Fax
H&P Mobile
Geochemistry Inc.

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-19-5 (E211050-03) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND "" "" ""Dichlorodifluoromethane (F12) 5.0ND
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlor
ofluoromethane (F11) "5.611
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.732
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
" " "" "Carbon disulfide "6.344
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
" " "" "Benzene "3.28.1
"" "" ""Carbon tetrachloride 6.4ND
" " "" "Trichloroethene "5.541
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
" " "" "Toluene "3.86.5
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.991
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND

Page 52 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-19-5 (E211050-03) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL206151o-Xylene 4.4ND "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-T
richlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "94.1 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "97.8 % 78-125Surrogate: Toluene-d8
" " " "102 % 77-127Surrogate: 4-Bromofluorobenzene
VP-20-30 (E211050-04) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.08.9
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6130
" " "" "1,1-Dichloroethene "4.032
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.7130
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
" " "" "Chloroform "4.921
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND

Page 53 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-20-30 (E211050-04)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EL20615 06-Dec-22 06-Dec-22ug/m3 1Trichloroethene EPA TO-155.51600 "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
" " "" "Toluene "3.84.3
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachlor
oethene "6.9710
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND
"" "" ""o-Xylene 4.4ND
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "98.8 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "99.0 % 78-125Surrogate: Toluene-d8
" " " "97.1 % 77-127Surrogate: 4-Bromofluorobenzene

Page 54 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-20-30 Rep (E211050-05) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.09.9
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""V
inyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6160
" " "" "1,1-Dichloroethene "4.031
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.7140
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
" " "" "Chloroform "4.922
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND
" " "" "Trichloroethene "5.51700
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
" " "" "Toluene "3.85.0
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.9750
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND

Page 55 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-20-30 Rep (E211050-05) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL206151o-Xylene 4.4ND "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-T
richlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "98.4 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "98.4 % 78-125Surrogate: Toluene-d8
" " " "95.6 % 77-127Surrogate: 4-Bromofluorobenzene
VP-20-15 (E211050-06) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.06.9
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.682
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.773
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
" " "" "Chloroform "4.96.7
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND

Page 56 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-20-15 (E211050-06)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EL20615 06-Dec-22 06-Dec-22ug/m3 1Trichloroethene EPA TO-155.5650 "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
" " "" "Toluene "3.84.4
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachlor
oethene "6.9450
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND
"" "" ""o-Xylene 4.4ND
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "98.8 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "94.9 % 78-125Surrogate: Toluene-d8
" " " "101 % 77-127Surrogate: 4-Bromofluorobenzene

Page 57 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-20-5 (E211050-07) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND "" "" ""Dichlorodifluoromethane (F12) 5.0ND
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlor
ofluoromethane (F11) "5.622
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.719
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND
" " "" "Trichloroethene "5.551
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.991
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND

Page 58 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-20-5 (E211050-07) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL206151o-Xylene 4.4ND "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-T
richlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "96.0 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "98.4 % 78-125Surrogate: Toluene-d8
" " " "96.6 % 77-127Surrogate: 4-Bromofluorobenzene
VP-12-15 (E211050-08) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.08.7
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6100
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.750
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
" " "" "Carbon disulfide "6.313
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND

Page 59 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-12-15 (E211050-08)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EL20615 06-Dec-22 06-Dec-22ug/m3 1Trichloroethene EPA TO-155.573 "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachlor
oethene "6.9210
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND
"" "" ""o-Xylene 4.4ND
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "101 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "98.7 % 78-125Surrogate: Toluene-d8
" " " "99.6 % 77-127Surrogate: 4-Bromofluorobenzene

Page 60 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-12-5 (E211050-09) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND "" "" ""Dichlorodifluoromethane (F12) 5.0ND
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlor
ofluoromethane (F11) "5.668
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.727
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND
"" "" ""Trichloroethene 5.5ND
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.994
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND

Page 61 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-12-5 (E211050-09) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL206151o-Xylene 4.4ND "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-T
richlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "96.3 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "98.4 % 78-125Surrogate: Toluene-d8
" " " "101 % 77-127Surrogate: 4-Bromofluorobenzene
VP-12-30 (E211050-10) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.010
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6230
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.779
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
" " "" "2-Butanone (MEK) "3032
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND

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Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-12-30 (E211050-10)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EL20615 06-Dec-22 06-Dec-22ug/m3 1Trichloroethene EPA TO-155.5310 "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachlor
oethene "6.9330
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND
"" "" ""o-Xylene 4.4ND
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "96.6 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "95.9 % 78-125Surrogate: Toluene-d8
" " " "99.4 % 77-127Surrogate: 4-Bromofluorobenzene

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Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-13-15 (E211050-11) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.08.2
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""V
inyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6410
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.722
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND
" " "" "Trichloroethene "5.536
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.9120
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-13-15 (E211050-11) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 06-Dec-22ug/m3 EL206151o-Xylene 4.4ND "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-T
richlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "96.7 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "95.9 % 78-125Surrogate: Toluene-d8
" " " "98.4 % 77-127Surrogate: 4-Bromofluorobenzene
VP-13-5 (E211050-12) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 07-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND "" "" ""Dichlorodifluoromethane (F12) 5.0ND
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6180
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.714
" " "" "Methylene chloride (Dichloromethane) "3.53.6
" " "" "Carbon disulfide "6.332
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
" " "" "Benzene "3.23.4
"" "" ""Carbon tetrachloride 6.4ND

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-13-5 (E211050-12)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EL20615 06-Dec-22 07-Dec-22ug/m3 1Trichloroethene EPA TO-155.520 "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
" " "" "Toluene "3.86.9
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachlor
oethene "6.940
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND
"" "" ""o-Xylene 4.4ND
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "96.7 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "97.4 % 78-125Surrogate: Toluene-d8
" " " "98.8 % 77-127Surrogate: 4-Bromofluorobenzene

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-14-22 (E211050-13) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 07-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.013
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""V
inyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6350
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.751
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
" " "" "Carbon disulfide "6.316
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
" " "" "Chloroform "4.98.5
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
" " "" "Benzene "3.23.8
"" "" ""Carbon tetrachloride 6.4ND
" " "" "Trichloroethene "5.5360
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
" " "" "Toluene "3.88.7
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.9570
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-14-22 (E211050-13) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 07-Dec-22ug/m3 EL206151o-Xylene 4.4ND "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-T
richlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "96.5 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "96.4 % 78-125Surrogate: Toluene-d8
" " " "101 % 77-127Surrogate: 4-Bromofluorobenzene
VP-14-15 (E211050-14) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 07-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.08.9
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6200
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.723
" " "" "Methylene chloride (Dichloromethane) "3.53.6
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
" " "" "Benzene "3.26.5
"" "" ""Carbon tetrachloride 6.4ND

Page 68 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-14-15 (E211050-14)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EL20615 06-Dec-22 07-Dec-22ug/m3 1Trichloroethene EPA TO-155.5120 "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
" " "" "Toluene "3.827
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachlor
oethene "6.9460
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
" " "" "m,p-Xylene "8.817
"" "" ""Styrene 4.3ND
" " "" "o-Xylene "4.46.4
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
" " "" "1,2,4-Trimethylbenzene "5.07.6
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "95.3 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "99.0 % 78-125Surrogate: Toluene-d8
" " " "105 % 77-127Surrogate: 4-Bromofluorobenzene

Page 69 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-14-5 (E211050-15) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 07-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.08.4
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""V
inyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6200
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.721
" " "" "Methylene chloride (Dichloromethane) "3.56.2
" " "" "Carbon disulfide "6.3120
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
" " "" "Chloroform "4.95.9
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
" " "" "Benzene "3.215
"" "" ""Carbon tetrachloride 6.4ND
" " "" "Trichloroethene "5.594
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
" " "" "Toluene "3.877
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.9160
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
" " "" "Ethylbenzene "4.46.3
" " "" "m,p-Xylene "8.813
"" "" ""Styrene 4.3ND

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-14-5 (E211050-15) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EL20615 06-Dec-22 07-Dec-22ug/m3 1o-Xylene EPA TO-154.47.1 "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
" " "" "1,2,4-Trimethylbenzene "5.07.9
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "97.2 %
76-134Surrogate: 1,2-Dichloroethane-d4
" " " "96.6 % 78-125Surrogate: Toluene-d8
" " " "108 % 77-127Surrogate: 4-Bromofluorobenzene
VP-4-15 (E211050-16) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1506-Dec-22 07-Dec-22ug/m3 EL2061511,1-Difluoroethane (LCC) 5.5ND "" "" ""Dichlorodifluoromethane (F12) 5.0ND
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.699
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.726
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND

Page 71 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-4-15 (E211050-16)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EL20615 06-Dec-22 07-Dec-22ug/m3 1Trichloroethene EPA TO-155.513 "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachlor
oethene "6.9180
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND
"" "" ""o-Xylene 4.4ND
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "97.8 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "95.7 % 78-125Surrogate: Toluene-d8
" " " "108 % 77-127Surrogate: 4-Bromofluorobenzene

Page 72 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-4-5 (E211050-17) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL2071611,1-Difluoroethane (LCC) 5.5ND "" "" ""Dichlorodifluoromethane (F12) 5.0ND
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlor
ofluoromethane (F11) "5.664
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.715
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
" " "" "Carbon disulfide "6.367
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND
" " "" "Trichloroethene "5.519
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
" " "" "Toluene "3.811
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.935
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND

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Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-4-5 (E211050-17) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL207161o-Xylene 4.4ND "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-T
richlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "102 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "106 % 78-125Surrogate: Toluene-d8
" " " " S-GC74.3 % 77-127Surrogate: 4-Bromofluorobenzene VP-5-15 (E211050-18) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL2071611,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.06.7
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6220
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.720
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-5-15 (E211050-18)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EL20716 07-Dec-22 07-Dec-22ug/m3 1Trichloroethene EPA TO-155.511 "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "T
etrachloroethene "6.9110
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND
"" "" ""o-Xylene 4.4ND
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "101 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "106 % 78-125Surrogate: Toluene-d8
" " " " S-GC75.2 % 77-127Surrogate: 4-Bromofluorobenzene

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-5-5 (E211050-19) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL2071611,1-Difluoroethane (LCC) 5.5ND "" "" ""Dichlorodifluoromethane (F12) 5.0ND
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlor
ofluoromethane (F11) "5.660
"" "" ""1,1-Dichloroethene 4.0ND
"" "" ""1,1,2-Trichlorotrifluoroethane (F113) 7.7ND
" " "" "Methylene chloride (Dichloromethane) "3.526
" " "" "Carbon disulfide "6.371
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
" " "" "Chloroform "4.917
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
" " "" "Benzene "3.26.3
"" "" ""Carbon tetrachloride 6.4ND
" " "" "Trichloroethene "5.5180
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
" " "" "Toluene "3.823
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.912
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-5-5 (E211050-19) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EL20716 07-Dec-22 07-Dec-22ug/m3 1o-Xylene QL-1HEPA TO-154.44.9 "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "102 %
76-134Surrogate: 1,2-Dichloroethane-d4
" " " "110 % 78-125Surrogate: Toluene-d8
" " " "78.1 % 77-127Surrogate: 4-Bromofluorobenzene
VP-7-15 (E211050-20) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL2071611,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.06.1
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6180
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.726
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-7-15 (E211050-20)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EL20716 07-Dec-22 07-Dec-22ug/m3 1Trichloroethene EPA TO-155.540 "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachlor
oethene "6.9210
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND
"" "" ""o-Xylene 4.4ND
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "96.0 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "104 % 78-125Surrogate: Toluene-d8
" " " "80.8 % 77-127Surrogate: 4-Bromofluorobenzene

Page 78 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-7-5 (E211050-21) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL2071611,1-Difluoroethane (LCC) 5.5ND "" "" ""Dichlorodifluoromethane (F12) 5.0ND
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlor
ofluoromethane (F11) "5.653
"" "" ""1,1-Dichloroethene 4.0ND
"" "" ""1,1,2-Trichlorotrifluoroethane (F113) 7.7ND
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND
" " "" "Trichloroethene "5.514
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.947
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND

Page 79 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-7-5 (E211050-21) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL207161o-Xylene 4.4ND "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-T
richlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "97.2 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "103 % 78-125Surrogate: Toluene-d8
" " " "86.7 % 77-127Surrogate: 4-Bromofluorobenzene
VP-6-13 (E211050-22) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL2071611,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.07.2
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6100
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.739
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
" " "" "Carbon disulfide "6.373
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND

Page 80 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-6-13 (E211050-22)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EL20716 07-Dec-22 07-Dec-22ug/m3 1Trichloroethene EPA TO-155.532 "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachlor
oethene "6.9140
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND
"" "" ""o-Xylene 4.4ND
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "95.8 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "105 % 78-125Surrogate: Toluene-d8
" " " "90.8 % 77-127Surrogate: 4-Bromofluorobenzene

Page 81 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-6-5 (E211050-23) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL2071611,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.07.8
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""V
inyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.691
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.735
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND
"" "" ""Trichloroethene 5.5ND
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.939
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND

Page 82 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-6-5 (E211050-23) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL207161o-Xylene 4.4ND "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-T
richlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "102 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "101 % 78-125Surrogate: Toluene-d8
" " " "95.4 % 77-127Surrogate: 4-Bromofluorobenzene
VP-16-15 (E211050-24) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL2071611,1-Difluoroethane (LCC) 5.5ND "" "" ""Dichlorodifluoromethane (F12) 5.0ND
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.650
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.744
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND

Page 83 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-16-15 (E211050-24)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EL20716 07-Dec-22 07-Dec-22ug/m3 1Trichloroethene EPA TO-155.5190 "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachlor
oethene "6.9360
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND
"" "" ""o-Xylene 4.4ND
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "102 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "105 % 78-125Surrogate: Toluene-d8
" " " "97.9 % 77-127Surrogate: 4-Bromofluorobenzene

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-16-5 (E211050-25) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL2071611,1-Difluoroethane (LCC) 5.5ND "" "" ""Dichlorodifluoromethane (F12) 5.0ND
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlor
ofluoromethane (F11) "5.623
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.716
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND
" " "" "Trichloroethene "5.56.4
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.997
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-16-5 (E211050-25) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL207161o-Xylene 4.4ND "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-T
richlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "102 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "104 % 78-125Surrogate: Toluene-d8
" " " "93.6 % 77-127Surrogate: 4-Bromofluorobenzene
VP-8-15 (E211050-26) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 07-Dec-22ug/m3 EL2071611,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.06.8
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.685
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.750
" " "" "Methylene chloride (Dichloromethane) "3.55.3
" " "" "Carbon disulfide "6.352
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-8-15 (E211050-26)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EL20716 07-Dec-22 07-Dec-22ug/m3 1Trichloroethene EPA TO-155.5190 "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachlor
oethene "6.9140
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND
"" "" ""o-Xylene 4.4ND
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "98.3 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "100 % 78-125Surrogate: Toluene-d8
" " " "96.3 % 77-127Surrogate: 4-Bromofluorobenzene

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-8-5 (E211050-27) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EL20716 07-Dec-22 08-Dec-22ug/m3 11,1-Difluoroethane (LCC) EPA TO-155.5520 "" "" ""Dichlorodifluoromethane (F12) 5.0ND
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlor
ofluoromethane (F11) "5.614
"" "" ""1,1-Dichloroethene 4.0ND
"" "" ""1,1,2-Trichlorotrifluoroethane (F113) 7.7ND
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND
"" "" ""Trichloroethene 5.5ND
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.930
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND

Page 88 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-8-5 (E211050-27) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 08-Dec-22ug/m3 EL207161o-Xylene 4.4ND "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-T
richlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "100 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "103 % 78-125Surrogate: Toluene-d8
" " " "93.7 % 77-127Surrogate: 4-Bromofluorobenzene
VP-15-5 (E211050-28) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 08-Dec-22ug/m3 EL2071611,1-Difluoroethane (LCC) 5.5ND "" "" ""Dichlorodifluoromethane (F12) 5.0ND
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6460
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.710
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
" " "" "Carbon disulfide "6.313
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
" " "" "Chloroform "4.96.9
" " "" "1,1,1-Trichloroethane "5.59.4
" " "" "1,2-Dichloroethane (EDC) "4.117
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-15-5 (E211050-28)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EPA TO-1507-Dec-22 08-Dec-22ug/m3 EL207161Trichloroethene 5.5ND "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "T
etrachloroethene "6.914
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND
"" "" ""o-Xylene 4.4ND
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "104 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "107 % 78-125Surrogate: Toluene-d8
" " " "97.0 % 77-127Surrogate: 4-Bromofluorobenzene

Page 90 of 102 ends

Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-21-15 (E211050-29) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 08-Dec-22ug/m3 EL2071611,1-Difluoroethane (LCC) 5.5ND " " "" "Dichlorodifluoromethane (F12) "5.07.3
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""V
inyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6510
"" "" ""1,1-Dichloroethene 4.0ND
" " "" "1,1,2-Trichlorotrifluoroethane (F113) "7.739
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
"" "" ""Carbon disulfide 6.3ND
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
"" "" ""Chloroform 4.9ND
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
"" "" ""Benzene 3.2ND
"" "" ""Carbon tetrachloride 6.4ND
"" "" ""Trichloroethene 5.5ND
"" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
"" "" ""Toluene 3.8ND
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "Tetrachloroethene "6.9150
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EPA TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared Analyzed Method Notes Factor
VP-21-15 (E211050-29) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EPA TO-1507-Dec-22 08-Dec-22ug/m3 EL207161o-Xylene 4.4ND "" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-T
richlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "96.5 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "102 % 78-125Surrogate: Toluene-d8
" " " "77.3 % 77-127Surrogate: 4-Bromofluorobenzene
VP-21-5 (E211050-30) Vapor Sampled: 17-Nov-22 Received: 17-Nov-22 EL20716 07-Dec-22 08-Dec-22ug/m3 11,1-Difluoroethane (LCC) EPA TO-155.511 "" "" ""Dichlorodifluoromethane (F12) 5.0ND
"" "" ""Chloromethane 2.1ND
"" "" ""Dichlorotetrafluoroethane (F114) 7.1ND
"" "" ""Vinyl chloride 2.6ND
"" "" ""Bromomethane 16ND
"" "" ""Chloroethane 8.0ND
" " "" "Trichlorofluoromethane (F11) "5.6160
"" "" ""1,1-Dichloroethene 4.0ND
"" "" ""1,1,2-Trichlorotrifluoroethane (F113) 7.7ND
"" "" ""Methylene chloride (Dichloromethane) 3.5ND
" " "" "Carbon disulfide "6.392
"" "" ""trans-1,2-Dichloroethene 8.0ND
"" "" ""1,1-Dichloroethane 4.1ND
"" "" ""2-Butanone (MEK) 30ND
"" "" ""cis-1,2-Dichloroethene 4.0ND
" " "" "Chloroform "4.934
"" "" ""1,1,1-Trichloroethane 5.5ND
"" "" ""1,2-Dichloroethane (EDC) 4.1ND
" " "" "Benzene "3.239
"" "" ""Carbon tetrachloride 6.4ND

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Project:

Project Number:

Project Manager:

Reported:

Volatile Organic Compounds by EP
A TO-15
H&P Mobile Geochemistry, Inc.

Result Analyte Limit
Reporting
Units
Dilution
Batch Prepared
Analyzed Method Notes Factor
VP-21-5 (E211050-30)
Vapor Sampled: 17-Nov-22 Received: 17-Nov-22
EPA TO-1507-Dec-22 08-Dec-22ug/m3 EL207161Trichloroethene 5.5ND "" "" ""1,2-Dichloropropane 9.4ND
"" "" ""Bromodichloromethane 6.8ND
"" "" ""cis-1,3-Dichloropropene 4.6ND
"" "" ""4-Methyl-2-pentanone (MIBK) 8.3ND
"" "" ""trans-1,3-Dichloropropene 4.6ND
" " "" "Toluene "3.810
"" "" ""1,1,2-Trichloroethane 5.5ND
"" "" ""2-Hexanone (MBK) 8.3ND
"" "" ""Dibromochloromethane 8.6ND
" " "" "T
etrachloroethene "6.98.0
"" "" ""1,2-Dibromoethane (EDB) 7.8ND
"" "" ""1,1,1,2-Tetrachloroethane 7.0ND
"" "" ""Chlorobenzene 4.7ND
"" "" ""Ethylbenzene 4.4ND
"" "" ""m,p-Xylene 8.8ND
"" "" ""Styrene 4.3ND
"" "" ""o-Xylene 4.4ND
"" "" ""Bromoform 10ND
"" "" ""1,1,2,2-Tetrachloroethane 7.0ND
"" "" ""4-Ethyltoluene 5.0ND
"" "" ""1,3,5-Trimethylbenzene 5.0ND
"" "" ""1,2,4-Trimethylbenzene 5.0ND
"" "" ""1,3-Dichlorobenzene 12ND
"" "" ""1,4-Dichlorobenzene 12ND
"" "" ""1,2-Dichlorobenzene 12ND
"" "" ""1,2,4-Trichlorobenzene 38ND
"" "" ""Hexachlorobutadiene 54ND
" " " "102 % 76-134Surrogate: 1,2-Dichloroethane-d4
" " " "107 % 78-125Surrogate: Toluene-d8
" " " " S-GC73.0 % 77-127Surrogate: 4-Bromofluorobenzene

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Project Number:

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Reported:

Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by EPA TO-15 - Quality Control H&P Mobile Geochemistry, Inc.

Batch EK23015 -
TO-15
Blank (EK23015-BLK1) Prepared & Analyzed: 30-Nov-22
1,1-Difluoroethane (LCC) ug/m35.5ND
Dichlorodifluoromethane (F12) "5.0ND
Chloromethane "2.1ND
Dichlorotetrafluoroethane (F114) "7.1ND
Vinyl chloride "2.6ND
Bromomethane "16ND
Chloroethane "8.0ND
Trichlorofluoromethane (F11) "5.6ND
1,1-Dichloroethene "4.0ND
1,1,2-Trichlorotrifluoroethane (F113) "7.7ND
Methylene chloride (Dichloromethane) "3.5ND
Carbon disulfide "6.3ND
trans-1,2-Dichloroethene "8.0ND
1,1-Dichloroethane "4.1ND
2-Butanone (MEK) "30ND
cis-1,2-Dichloroethene "4.0ND
Chloroform "4.9ND
1,1,1-Trichloroethane "5.5ND
1,2-Dichloroethane (EDC) "4.1ND
Benzene "3.2ND
Carbon tetrachloride "6.4ND
Trichloroethene "5.5ND
1,2-Dichloropropane "9.4ND
Bromodichloromethane "6.8ND
cis-1,3-Dichloropropene "4.6ND
4-Methyl-2-pentanone (MIBK) "8.3ND
trans-1,3-Dichloropropene "4.6ND
Toluene "3.8ND
1,1,2-Trichloroethane "5.5ND
2-Hexanone (MBK) "8.3ND
Dibromochloromethane "8.6ND
Tetrachloroethene "6.9ND
1,2-Dibromoethane (EDB) "7.8ND
1,1,1,2-Tetrachloroethane "7.0ND

Page 94 of 102 ends

Project:

Project Number:

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Reported:

Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by EPA TO-15 - Quality Control H&P Mobile Geochemistry, Inc.

Batch EK23015 -
TO-15
Blank (EK23015-BLK1) Prepared & Analyzed: 30-Nov-22
Chlorobenzene ug/m34.7ND
Ethylbenzene "4.4ND
m,p-Xylene "8.8ND
Styrene "4.3ND
o-Xylene "4.4ND
Bromoform "10ND
1,1,2,2-Tetrachloroethane "7.0ND
4-Ethyltoluene "5.0ND
1,3,5-Trimethylbenzene "5.0ND
1,2,4-Trimethylbenzene "5.0ND
1,3-Dichlorobenzene "12ND
1,4-Dichlorobenzene "12ND
1,2-Dichlorobenzene "12ND
1,2,4-Trichlorobenzene "38ND
Hexachlorobutadiene "54ND
" 214 76-134Surrogate: 1,2-Dichloroethane-d4 116247
" 208 78-125Surrogate: Toluene-d8 104215
" 363 S-GC77-127Surrogate: 4-Bromofluorobenzene 72.1262 LCS (EK23015-BS1) Prepared & Analyzed: 30-Nov-22
Dichlorodifluoromethane (F12) ug/m3 101 59-1281225.0120 Vinyl chloride " 52.0 64-1271202.662
Chloroethane " 53.6 QL-1H63-1271308.070
Trichlorofluoromethane (F11) " 113 62-1261005.6110
1,1-Dichloroethene " 80.8 61-1331034.083
1,1,2-Trichlorotrifluoroethane (F113) " 155 66-12697.17.7150 Methylene chloride (Dichloromethane) " 70.8 62-1151013.571 trans-1,2-Dichloroethene " 80.8 67-1241038.083
1,1-Dichloroethane " 82.4 68-1261094.190
cis-1,2-Dichloroethene " 80.0 70-1211034.082
Chloroform " 99.2 68-1231044.9100
1,1,1-Trichloroethane " 111 68-1251015.5110
1,2-Dichloroethane (EDC) " 82.4 65-1281114.191

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Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by EPA TO-15 - Quality Control H&P Mobile Geochemistry, Inc.

Batch EK23015 -
TO-15
LCS (EK23015-BS1) Prepared & Analyzed: 30-Nov-22
Benzene ug/m3 64.8 69-11996.33.262
Carbon tetrachloride " 128 68-13299.16.4130
Trichloroethene " 110 71-12395.35.5100
Toluene " 76.8 66-11996.13.874
1,1,2-Trichloroethane " 111 73-11995.25.5110
Tetrachloroethene " 138 66-12484.66.9120
1,1,1,2-Tetrachloroethane " 140 67-12979.77.0110
Ethylbenzene " 88.4 70-12479.04.470
m,p-Xylene " 88.4 61-13476.38.867
o-Xylene " 88.4 67-12586.54.476
1,1,2,2-Tetrachloroethane " 140 65-12797.97.0140
" 214 76-134Surrogate: 1,2-Dichloroethane-d4 120256
" 208 78-125Surrogate: Toluene-d8 101210
" 363 77-127Surrogate: 4-Bromofluorobenzene 88.7322
Batch EL20615 - TO-15
Blank (EL20615-BLK1) Prepared & Analyzed: 06-Dec-22
1,1-Difluoroethane (LCC) ug/m35.5ND
Dichlorodifluoromethane (F12) "5.0ND
Chloromethane "2.1ND
Dichlorotetrafluoroethane (F114) "7.1ND
Vinyl chloride "2.6ND
Bromomethane "16ND
Chloroethane "8.0ND
Trichlorofluoromethane (F11) "5.6ND
1,1-Dichloroethene "4.0ND
1,1,2-Trichlorotrifluoroethane (F113) "7.7ND
Methylene chloride (Dichloromethane) "3.5ND
Carbon disulfide "6.3ND
trans-1,2-Dichloroethene "8.0ND
1,1-Dichloroethane "4.1ND
2-Butanone (MEK) "30ND

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Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits
RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by EPA TO-15 - Quality Control H&P Mobile Geochemistry, Inc.

Batch EL20615 -
TO-15
Blank (EL20615-BLK1) Prepared & Analyzed: 06-Dec-22
cis-1,2-Dichloroethene ug/m34.0ND
Chloroform "4.9ND
1,1,1-Trichloroethane "5.5ND
1,2-Dichloroethane (EDC) "4.1ND
Benzene "3.2ND
Carbon tetrachloride "6.4ND
Trichloroethene "5.5ND
1,2-Dichloropropane "9.4ND
Bromodichloromethane "6.8ND
cis-1,3-Dichloropropene "4.6ND
4-Methyl-2-pentanone (MIBK) "8.3ND
trans-1,3-Dichloropropene "4.6ND
Toluene "3.8ND
1,1,2-Trichloroethane "5.5ND
2-Hexanone (MBK) "8.3ND
Dibromochloromethane "8.6ND
Tetrachloroethene "6.9ND
1,2-Dibromoethane (EDB) "7.8ND
1,1,1,2-Tetrachloroethane "7.0ND
Chlorobenzene "4.7ND
Ethylbenzene "4.4ND
m,p-Xylene "8.8ND
Styrene "4.3ND
o-Xylene "4.4ND
Bromoform "10ND
1,1,2,2-Tetrachloroethane "7.0ND
4-Ethyltoluene "5.0ND
1,3,5-Trimethylbenzene "5.0ND
1,2,4-Trimethylbenzene "5.0ND
1,3-Dichlorobenzene "12ND
1,4-Dichlorobenzene "12ND
1,2-Dichlorobenzene "12ND
1,2,4-Trichlorobenzene "38ND
Hexachlorobutadiene "54ND

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Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by EPA TO-15 - Quality Control H&P Mobile Geochemistry, Inc.

Batch EL20615 -
TO-15
Blank (EL20615-BLK1) Prepared & Analyzed: 06-Dec-22
ug/m3 214 76-134Surrogate: 1,2-Dichloroethane-d4 95.3204 " 208 78-125Surrogate: Toluene-d8 96.4200
" 363 77-127Surrogate: 4-Bromofluorobenzene 102371
LCS (EL20615-BS1) Prepared & Analyzed: 06-Dec-22
Dichlorodifluoromethane (F12) ug/m3 101 59-12899.65.0100 Vinyl chloride " 52.0 64-1271052.655
Chloroethane " 53.6 63-12798.78.053
Trichlorofluoromethane (F11) " 113 62-12684.65.696
1,1-Dichloroethene " 80.8 61-13396.64.078
1,1,2-Trichlorotrifluoroethane (F113) " 155 66-1261077.7170 Methylene chloride (Dichloromethane) " 70.8 62-11595.93.568 trans-1,2-Dichloroethene " 80.8 67-12496.88.078
1,1-Dichloroethane " 82.4 68-12697.04.180
cis-1,2-Dichloroethene " 80.0 70-12198.84.079
Chloroform " 99.2 68-1231024.9100
1,1,1-Trichloroethane " 111 68-12599.55.5110
1,2-Dichloroethane (EDC) " 82.4 65-12899.64.182
Benzene " 64.8 69-11998.13.264
Carbon tetrachloride " 128 68-1321016.4130
Trichloroethene " 110 71-1231075.5120
Toluene " 76.8 66-1191033.879
1,1,2-Trichloroethane " 111 73-1191075.5120
Tetrachloroethene " 138 66-1241066.9150
1,1,1,2-Tetrachloroethane " 140 67-1291037.0140
Ethylbenzene " 88.4 70-1241014.489
m,p-Xylene " 88.4 61-1341118.898
o-Xylene " 88.4 67-1251034.491
1,1,2,2-Tetrachloroethane " 140 65-12797.37.0140
" 214 76-134Surrogate: 1,2-Dichloroethane-d4 96.7206
" 208 78-125Surrogate: Toluene-d8 99.5207
" 363 77-127Surrogate: 4-Bromofluorobenzene 100364

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Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by EPA TO-15 - Quality Control H&P Mobile Geochemistry, Inc.

Batch EL20615 -
TO-15
Batch EL20716 - TO-15
Blank (EL20716-BLK1) Prepared & Analyzed: 07-Dec-22
1,1-Difluoroethane (LCC) ug/m35.5ND
Dichlorodifluoromethane (F12) "5.0ND
Chloromethane "2.1ND
Dichlorotetrafluoroethane (F114) "7.1ND
Vinyl chloride "2.6ND
Bromomethane "16ND
Chloroethane "8.0ND
Trichlorofluoromethane (F11) "5.6ND
1,1-Dichloroethene "4.0ND
1,1,2-Trichlorotrifluoroethane (F113) "7.7ND
Methylene chloride (Dichloromethane) "3.5ND
Carbon disulfide "6.3ND
trans-1,2-Dichloroethene "8.0ND
1,1-Dichloroethane "4.1ND
2-Butanone (MEK) "30ND
cis-1,2-Dichloroethene "4.0ND
Chloroform "4.9ND
1,1,1-Trichloroethane "5.5ND
1,2-Dichloroethane (EDC) "4.1ND
Benzene "3.2ND
Carbon tetrachloride "6.4ND
Trichloroethene "5.5ND
1,2-Dichloropropane "9.4ND
Bromodichloromethane "6.8ND
cis-1,3-Dichloropropene "4.6ND
4-Methyl-2-pentanone (MIBK) "8.3ND
trans-1,3-Dichloropropene "4.6ND
Toluene "3.8ND
1,1,2-Trichloroethane "5.5ND
2-Hexanone (MBK) "8.3ND
Dibromochloromethane "8.6ND
Tetrachloroethene "6.9ND

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Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by EPA TO-15 - Quality Control H&P Mobile Geochemistry, Inc.

Batch EL20716 -
TO-15
Blank (EL20716-BLK1) Prepared & Analyzed: 07-Dec-22
1,2-Dibromoethane (EDB) ug/m37.8ND
1,1,1,2-Tetrachloroethane "7.0ND
Chlorobenzene "4.7ND
Ethylbenzene "4.4ND
m,p-Xylene "8.8ND
Styrene "4.3ND
o-Xylene "4.4ND
Bromoform "10ND
1,1,2,2-Tetrachloroethane "7.0ND
4-Ethyltoluene "5.0ND
1,3,5-Trimethylbenzene "5.0ND
1,2,4-Trimethylbenzene "5.0ND
1,3-Dichlorobenzene "12ND
1,4-Dichlorobenzene "12ND
1,2-Dichlorobenzene "12ND
1,2,4-Trichlorobenzene "38ND
Hexachlorobutadiene "54ND
" 214 76-134Surrogate: 1,2-Dichloroethane-d4 102218
" 208 78-125Surrogate: Toluene-d8 104216
" 363 S-GC77-127Surrogate: 4-Bromofluorobenzene 73.8268 LCS (EL20716-BS1) Prepared & Analyzed: 07-Dec-22
Dichlorodifluoromethane (F12) ug/m3 101 59-1281145.0120 Vinyl chloride " 52.0 64-1271162.660
Chloroethane " 53.6 63-1271068.057
Trichlorofluoromethane (F11) " 113 62-12683.85.695
1,1-Dichloroethene " 80.8 61-1331024.083
1,1,2-Trichlorotrifluoroethane (F113) " 155 66-1261087.7170 Methylene chloride (Dichloromethane) " 70.8 62-1151083.576 trans-1,2-Dichloroethene " 80.8 67-1241018.082
1,1-Dichloroethane " 82.4 68-1261064.187
cis-1,2-Dichloroethene " 80.0 70-1211024.081
Chloroform " 99.2 68-1231074.9110

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Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by EPA TO-15 - Quality Control H&P Mobile Geochemistry, Inc.

Batch EL20716 -
TO-15
LCS (EL20716-BS1) Prepared & Analyzed: 07-Dec-22
1,1,1-Trichloroethane ug/m3 111 68-1251075.5120
1,2-Dichloroethane (EDC) " 82.4 65-1281054.186
Benzene " 64.8 69-1191053.268
Carbon tetrachloride " 128 68-1321056.4130
Trichloroethene " 110 71-1231125.5120
Toluene " 76.8 66-1191043.880
1,1,2-Trichloroethane " 111 73-1191135.5130
Tetrachloroethene " 138 66-1241116.9150
1,1,1,2-Tetrachloroethane " 140 67-1291207.0170
Ethylbenzene " 88.4 70-1241094.496
m,p-Xylene " 88.4 61-1341148.8100
o-Xylene " 88.4 QL-1H67-1251274.4110
1,1,2,2-Tetrachloroethane " 140 QL-1H65-1271357.0190
" 214 76-134Surrogate: 1,2-Dichloroethane-d4 101216
" 208 78-125Surrogate: Toluene-d8 99.6207
" 363 77-127Surrogate: 4-Bromofluorobenzene 85.2309

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Notes and Definitions
S-GC Surrogate recovery outside of control limits. The data was accepted based on valid recovery of the remaining surrogate(s).

S-GC Surrogate recovery outside of control limits. The data was accepted based on valid recovery of the remaining surrogate(s).

QL-1H The LCS and/or LCSD recoveries fell above the established control specifications for this analyte. Any result for this compound is qualified and should be considered biased high.

Percent Recovery
Relative Percent DifferenceRPD
%REC
Method Detection LimitMDL
Analyte NOT DETECTED at or above the reporting limitND
Leak Check CompoundLCC
Appendix
H&P
Mobile Geochemistry, Inc. is approved as an Environmental Testing Laboratory and Mobile Laboratory in accordance with the DoD -ELAP Program and ISO/IEC 17025:2005 programs through PJLA, accreditation number 69070 for EPA Method TO-15, EPA Method 8260B and H&P 8260SV.

H&P is approved by the State of California as an Environmental Laboratory and Mobile Laboratory in conformance with the Environmental Laboratory Accreditation Program (ELAP) for the category of V olatile and Semi-V olatile Organic Chemistry of Hazardous Waste, certification numbers 2740, 2741, 2743 & 2745.

H&P is approved by the State of Louisiana Department of Environmental Quality under the National Environmental Laboratory Accreditation Conference (NELAC) certification number 04138
The complete list of stationary and mobile laboratory certifications along with the fields of testing (FOTs) and analyte lists are available at www.handpmg.com/about/certifications.

All soil results are reported in wet weight.

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Riverside City CouncilJuly 14, 2026

Riverside City Council
July 14, 2026