Township Council Meeting — Packet

Serial_No:04172317:05 Project Name: Project Number: WEST ORANGE DPW Lab Number: L2317290 IN000380.09 Report Date: 04/17/23 Date Collected: Date Received: Field Prep: 04/01/23 16:56 04/03/23 Not Specified SAMPLE RESULTS Lab ID: Client ID: Sample Location: L2317290-05 SSSG-4 Sample Depth: ppbV Parameter Results ug/m3 RL MDL Results RL MDL Qualifier Dilution Factor NJ Volatile Organics in Air - Mansfield Lab Chloroform 1.2 0.20 -- 5.9 0.98 -- 1 Tetrahydrofuran ND 0.50 -- ND 1.5 -- 1 1,2-Dichloroethane ND 0.20 -- ND 0.81 -- 1 n-Hexane 1.6 0.20 -- 5.6 0.70 -- 1 1,1,1-Trichloroethane 0.29 0.20 -- 1.6 1.1 -- 1 Benzene 0.77 0.20 -- 2.5 0.64 -- 1 Carbon tetrachloride ND 0.20 -- ND 1.3 -- 1 Cyclohexane 0.62 0.20 -- 2.1 0.69 -- 1 1,2-Dichloropropane ND 0.20 -- ND 0.92 -- 1 Bromodichloromethane ND 0.20 -- ND 1.3 -- 1 1,4-Dioxane ND 0.20 -- ND 0.72 -- 1 Trichloroethene 23 0.20 -- 120 1.1 -- 1 2,2,4-Trimethylpentane 1.4 0.20 -- 6.5 0.93 -- 1 Methyl Methacrylate ND 0.50 -- ND 2.0 -- 1 Heptane 0.81 0.20 -- 3.3 0.82 -- 1 cis-1,3-Dichloropropene ND 0.20 -- ND 0.91 -- 1 4-Methyl-2-pentanone 1.8 0.50 -- 7.4 2.0 -- 1 trans-1,3-Dichloropropene ND 0.20 -- ND 0.91 -- 1 1,1,2-Trichloroethane ND 0.20 -- ND 1.1 -- 1 Toluene 2.9 0.20 -- 11 0.75 -- 1 Dibromochloromethane ND 0.20 -- ND 1.7 -- 1 1,2-Dibromoethane ND 0.20 -- ND 1.5 -- 1 Tetrachloroethene 14 0.20 -- 95 1.4 -- 1 Chlorobenzene ND 0.20 -- ND 0.92 -- 1 Ethylbenzene 0.56 0.20 -- 2.4 0.87 -- 1 p/m-Xylene 2.2 0.40 -- 9.6 1.7 -- 1 Page 24 of 76

Serial_No:04172317:05 Project Name: Project Number: WEST ORANGE DPW Lab Number: L2317290 IN000380.09 Report Date: 04/17/23 Date Collected: Date Received: Field Prep: 04/01/23 16:56 04/03/23 Not Specified SAMPLE RESULTS Lab ID: Client ID: Sample Location: L2317290-05 SSSG-4 Sample Depth: ppbV Parameter Results ug/m3 RL MDL Results RL MDL Qualifier Dilution Factor NJ Volatile Organics in Air - Mansfield Lab Bromoform ND 0.20 -- ND 2.1 -- 1 Styrene ND 0.20 -- ND 0.85 -- 1 1,1,2,2-Tetrachloroethane ND 0.20 -- ND 1.4 -- 1 o-Xylene 1.0 0.20 -- 4.3 0.87 -- 1 2-Chlorotoluene ND 0.20 -- ND 1.0 -- 1 4-Ethyltoluene 0.21 0.20 -- 1.0 0.98 -- 1 1,3,5-Trimethybenzene 0.37 0.20 -- 1.8 0.98 -- 1 1,2,4-Trimethylbenzene 1.0 0.20 -- 4.9 0.98 -- 1 1,3-Dichlorobenzene ND 0.20 -- ND 1.2 -- 1 1,4-Dichlorobenzene ND 0.20 -- ND 1.2 -- 1 1,2-Dichlorobenzene ND 0.20 -- ND 1.2 -- 1 1,2,4-Trichlorobenzene ND 0.20 -- ND 1.5 -- 1 Hexachlorobutadiene ND 0.20 -- ND 2.1 -- 1 Qualifier Units Results RDL Dilution Factor Tentatively Identified Compounds unknown benzene 1.29 J ppbV 1 Pentane, 3-methyl- 1.83 NJ ppbV 1 Butane 10.4 NJ ppbV 1 Decane (C10) 1.98 NJ ppbV 1 unknown alkane 2.38 J ppbV 1 unknown alkane 4.82 J ppbV 1 unknown alkane 1.55 J ppbV 1 Nonane (C9) 1.56 NJ ppbV 1 Unknown 2.34 J ppbV 1 Cyclopentane, Methyl- 1.35 NJ ppbV 1 Page 25 of 76

Serial_No:04172317:05 Project Name: Project Number: WEST ORANGE DPW Lab Number: L2317290 IN000380.09 Report Date: 04/17/23 Date Collected: Date Received: Field Prep: 04/01/23 16:56 04/03/23 Not Specified SAMPLE RESULTS Lab ID: Client ID: Sample Location: L2317290-05 SSSG-4 Sample Depth: ppbV Parameter Results RL ug/m3 MDL Results RL MDL Qualifier NJ Volatile Organics in Air - Mansfield Lab Results Qualifier Units RDL Dilution Factor Tentatively Identified Compounds Pentane 3.87 NJ ppbV 1 Methyl Alcohol 4.52 NJ ppbV 1 Isobutane 3.66 NJ ppbV 1 Page 26 of 76 Qualifier Acceptance Criteria Internal Standard % Recovery 1,4-Difluorobenzene 93 60-140 Bromochloromethane 92 60-140 chlorobenzene-d5 89 60-140 Dilution Factor

Serial_No:04172317:05 Project Name: Project Number: WEST ORANGE DPW Lab Number: L2317290 IN000380.09 Report Date: 04/17/23 Date Collected: Date Received: Field Prep: 04/01/23 14:25 04/03/23 Not Specified SAMPLE RESULTS Lab ID: Client ID: Sample Location: Sample Depth: Matrix: Anaytical Method: Analytical Date: Analyst: L2317290-06 SSSG-1 Soil_Vapor 48,TO-15 04/16/23 00:16 RAY ppbV Parameter Results ug/m3 RL MDL Results RL MDL Qualifier Dilution Factor NJ Volatile Organics in Air - Mansfield Lab Dichlorodifluoromethane 3.0 0.20 -- 15 0.99 -- 1 Chloromethane ND 0.20 -- ND 0.41 -- 1 Freon-114 ND 0.20 -- ND 1.4 -- 1 Vinyl chloride ND 0.20 -- ND 0.51 -- 1 1,3-Butadiene ND 0.20 -- ND 0.44 -- 1 Bromomethane ND 0.20 -- ND 0.78 -- 1 Chloroethane ND 0.20 -- ND 0.53 -- 1 Ethanol ND 5.0 -- ND 9.4 -- 1 Vinyl bromide ND 0.20 -- ND 0.87 -- 1 Acetone 1.7 1.0 -- 4.0 2.4 -- 1 Trichlorofluoromethane 4.6 0.20 -- 26 1.1 -- 1 Isopropanol ND 0.50 -- ND 1.2 -- 1 1,1-Dichloroethene ND 0.20 -- ND 0.79 -- 1 Tertiary butyl Alcohol ND 0.50 -- ND 1.5 -- 1 Methylene chloride 1.4 0.50 -- 4.9 1.7 -- 1 3-Chloropropene ND 0.20 -- ND 0.63 -- 1 Carbon disulfide ND 0.20 -- ND 0.62 -- 1 Freon-113 ND 0.20 -- ND 1.5 -- 1 trans-1,2-Dichloroethene ND 0.20 -- ND 0.79 -- 1 1,1-Dichloroethane ND 0.20 -- ND 0.81 -- 1 Methyl tert butyl ether ND 0.20 -- ND 0.72 -- 1 2-Butanone 0.65 0.50 -- 1.9 1.5 -- 1 cis-1,2-Dichloroethene ND 0.20 -- ND 0.79 -- 1 Page 27 of 76

Serial_No:04172317:05 Project Name: Project Number: WEST ORANGE DPW Lab Number: L2317290 IN000380.09 Report Date: 04/17/23 Date Collected: Date Received: Field Prep: 04/01/23 14:25 04/03/23 Not Specified SAMPLE RESULTS Lab ID: Client ID: Sample Location: L2317290-06 SSSG-1 Sample Depth: ppbV Parameter Results ug/m3 RL MDL Results RL MDL Qualifier Dilution Factor NJ Volatile Organics in Air - Mansfield Lab Chloroform 0.43 0.20 -- 2.1 0.98 -- 1 Tetrahydrofuran ND 0.50 -- ND 1.5 -- 1 1,2-Dichloroethane ND 0.20 -- ND 0.81 -- 1 n-Hexane ND 0.20 -- ND 0.70 -- 1 1,1,1-Trichloroethane 0.52 0.20 -- 2.8 1.1 -- 1 Benzene ND 0.20 -- ND 0.64 -- 1 Carbon tetrachloride ND 0.20 -- ND 1.3 -- 1 Cyclohexane 0.20 0.20 -- 0.69 0.69 -- 1 1,2-Dichloropropane ND 0.20 -- ND 0.92 -- 1 Bromodichloromethane ND 0.20 -- ND 1.3 -- 1 1,4-Dioxane ND 0.20 -- ND 0.72 -- 1 Trichloroethene 18 0.20 -- 97 1.1 -- 1 2,2,4-Trimethylpentane ND 0.20 -- ND 0.93 -- 1 Methyl Methacrylate ND 0.50 -- ND 2.0 -- 1 Heptane ND 0.20 -- ND 0.82 -- 1 cis-1,3-Dichloropropene ND 0.20 -- ND 0.91 -- 1 4-Methyl-2-pentanone ND 0.50 -- ND 2.0 -- 1 trans-1,3-Dichloropropene ND 0.20 -- ND 0.91 -- 1 1,1,2-Trichloroethane ND 0.20 -- ND 1.1 -- 1 Toluene ND 0.20 -- ND 0.75 -- 1 Dibromochloromethane ND 0.20 -- ND 1.7 -- 1 1,2-Dibromoethane ND 0.20 -- ND 1.5 -- 1 Tetrachloroethene 9.9 0.20 -- 67 1.4 -- 1 Chlorobenzene ND 0.20 -- ND 0.92 -- 1 Ethylbenzene ND 0.20 -- ND 0.87 -- 1 p/m-Xylene ND 0.40 -- ND 1.7 -- 1 Page 28 of 76

Serial_No:04172317:05 Project Name: Project Number: WEST ORANGE DPW Lab Number: L2317290 IN000380.09 Report Date: 04/17/23 Date Collected: Date Received: Field Prep: 04/01/23 14:25 04/03/23 Not Specified SAMPLE RESULTS Lab ID: Client ID: Sample Location: L2317290-06 SSSG-1 Sample Depth: ppbV Parameter Results ug/m3 RL MDL Results RL MDL Qualifier Dilution Factor NJ Volatile Organics in Air - Mansfield Lab Bromoform ND 0.20 -- ND 2.1 -- 1 Styrene ND 0.20 -- ND 0.85 -- 1 1,1,2,2-Tetrachloroethane ND 0.20 -- ND 1.4 -- 1 o-Xylene ND 0.20 -- ND 0.87 -- 1 2-Chlorotoluene ND 0.20 -- ND 1.0 -- 1 4-Ethyltoluene ND 0.20 -- ND 0.98 -- 1 1,3,5-Trimethybenzene ND 0.20 -- ND 0.98 -- 1 1,2,4-Trimethylbenzene ND 0.20 -- ND 0.98 -- 1 1,3-Dichlorobenzene ND 0.20 -- ND 1.2 -- 1 1,4-Dichlorobenzene ND 0.20 -- ND 1.2 -- 1 1,2-Dichlorobenzene ND 0.20 -- ND 1.2 -- 1 1,2,4-Trichlorobenzene ND 0.20 -- ND 1.5 -- 1 Hexachlorobutadiene ND 0.20 -- ND 2.1 -- 1 Qualifier Units NJ ppbV Results RDL Dilution Factor Tentatively Identified Compounds Methyl Alcohol Page 29 of 76 2.51 Qualifier 1 Acceptance Criteria Internal Standard % Recovery 1,4-Difluorobenzene 99 60-140 Bromochloromethane 97 60-140 chlorobenzene-d5 92 60-140

Serial_No:04172317:05 Project Name: Project Number: WEST ORANGE DPW Lab Number: L2317290 IN000380.09 Report Date: 04/17/23 Date Collected: Date Received: Field Prep: 04/01/23 15:09 04/03/23 Not Specified SAMPLE RESULTS Lab ID: Client ID: Sample Location: Sample Depth: Matrix: Anaytical Method: Analytical Date: Analyst: L2317290-07 SSSG-2 Soil_Vapor 48,TO-15 04/16/23 00:56 RAY ppbV Parameter Results ug/m3 RL MDL Results RL MDL Qualifier Dilution Factor NJ Volatile Organics in Air - Mansfield Lab Dichlorodifluoromethane 0.55 0.20 -- 2.7 0.99 -- 1 Chloromethane ND 0.20 -- ND 0.41 -- 1 Freon-114 ND 0.20 -- ND 1.4 -- 1 Vinyl chloride ND 0.20 -- ND 0.51 -- 1 1,3-Butadiene ND 0.20 -- ND 0.44 -- 1 Bromomethane ND 0.20 -- ND 0.78 -- 1 Chloroethane ND 0.20 -- ND 0.53 -- 1 Ethanol ND 5.0 -- ND 9.4 -- 1 Vinyl bromide ND 0.20 -- ND 0.87 -- 1 Acetone 2.2 1.0 -- 5.2 2.4 -- 1 Trichlorofluoromethane 0.91 0.20 -- 5.1 1.1 -- 1 Isopropanol ND 0.50 -- ND 1.2 -- 1 1,1-Dichloroethene ND 0.20 -- ND 0.79 -- 1 Tertiary butyl Alcohol ND 0.50 -- ND 1.5 -- 1 Methylene chloride ND 0.50 -- ND 1.7 -- 1 3-Chloropropene ND 0.20 -- ND 0.63 -- 1 Carbon disulfide ND 0.20 -- ND 0.62 -- 1 Freon-113 ND 0.20 -- ND 1.5 -- 1 trans-1,2-Dichloroethene ND 0.20 -- ND 0.79 -- 1 1,1-Dichloroethane ND 0.20 -- ND 0.81 -- 1 Methyl tert butyl ether ND 0.20 -- ND 0.72 -- 1 2-Butanone ND 0.50 -- ND 1.5 -- 1 cis-1,2-Dichloroethene ND 0.20 -- ND 0.79 -- 1 Page 30 of 76

Serial_No:04172317:05 Project Name: Project Number: WEST ORANGE DPW Lab Number: L2317290 IN000380.09 Report Date: 04/17/23 Date Collected: Date Received: Field Prep: 04/01/23 15:09 04/03/23 Not Specified SAMPLE RESULTS Lab ID: Client ID: Sample Location: L2317290-07 SSSG-2 Sample Depth: ppbV Parameter Results ug/m3 RL MDL Results RL MDL Qualifier Dilution Factor NJ Volatile Organics in Air - Mansfield Lab Chloroform 0.37 0.20 -- 1.8 0.98 -- 1 Tetrahydrofuran ND 0.50 -- ND 1.5 -- 1 1,2-Dichloroethane ND 0.20 -- ND 0.81 -- 1 n-Hexane ND 0.20 -- ND 0.70 -- 1 1,1,1-Trichloroethane 0.78 0.20 -- 4.3 1.1 -- 1 Benzene ND 0.20 -- ND 0.64 -- 1 Carbon tetrachloride 0.20 0.20 -- 1.3 1.3 -- 1 Cyclohexane ND 0.20 -- ND 0.69 -- 1 1,2-Dichloropropane ND 0.20 -- ND 0.92 -- 1 Bromodichloromethane 0.34 0.20 -- 2.3 1.3 -- 1 1,4-Dioxane ND 0.20 -- ND 0.72 -- 1 Trichloroethene 42 0.20 -- 230 1.1 -- 1 2,2,4-Trimethylpentane ND 0.20 -- ND 0.93 -- 1 Methyl Methacrylate ND 0.50 -- ND 2.0 -- 1 Heptane ND 0.20 -- ND 0.82 -- 1 cis-1,3-Dichloropropene ND 0.20 -- ND 0.91 -- 1 4-Methyl-2-pentanone ND 0.50 -- ND 2.0 -- 1 trans-1,3-Dichloropropene ND 0.20 -- ND 0.91 -- 1 1,1,2-Trichloroethane ND 0.20 -- ND 1.1 -- 1 Toluene ND 0.20 -- ND 0.75 -- 1 Dibromochloromethane ND 0.20 -- ND 1.7 -- 1 1,2-Dibromoethane ND 0.20 -- ND 1.5 -- 1 Tetrachloroethene 11 0.20 -- 75 1.4 -- 1 Chlorobenzene ND 0.20 -- ND 0.92 -- 1 Ethylbenzene ND 0.20 -- ND 0.87 -- 1 p/m-Xylene ND 0.40 -- ND 1.7 -- 1 Page 31 of 76

Serial_No:04172317:05 Project Name: Project Number: WEST ORANGE DPW Lab Number: L2317290 IN000380.09 Report Date: 04/17/23 Date Collected: Date Received: Field Prep: 04/01/23 15:09 04/03/23 Not Specified SAMPLE RESULTS Lab ID: Client ID: Sample Location: L2317290-07 SSSG-2 Sample Depth: ppbV Parameter Results ug/m3 RL MDL Results RL MDL Qualifier Dilution Factor NJ Volatile Organics in Air - Mansfield Lab Bromoform ND 0.20 -- ND 2.1 -- 1 Styrene ND 0.20 -- ND 0.85 -- 1 1,1,2,2-Tetrachloroethane ND 0.20 -- ND 1.4 -- 1 o-Xylene ND 0.20 -- ND 0.87 -- 1 2-Chlorotoluene ND 0.20 -- ND 1.0 -- 1 4-Ethyltoluene ND 0.20 -- ND 0.98 -- 1 1,3,5-Trimethybenzene ND 0.20 -- ND 0.98 -- 1 1,2,4-Trimethylbenzene ND 0.20 -- ND 0.98 -- 1 1,3-Dichlorobenzene ND 0.20 -- ND 1.2 -- 1 1,4-Dichlorobenzene ND 0.20 -- ND 1.2 -- 1 1,2-Dichlorobenzene ND 0.20 -- ND 1.2 -- 1 1,2,4-Trichlorobenzene ND 0.20 -- ND 1.5 -- 1 Hexachlorobutadiene ND 0.20 -- ND 2.1 -- 1 Qualifier Units NJ ppbV Results RDL Dilution Factor Tentatively Identified Compounds Acetaldehyde Page 32 of 76 1.55 Qualifier 1 Acceptance Criteria Internal Standard % Recovery 1,4-Difluorobenzene 95 60-140 Bromochloromethane 94 60-140 chlorobenzene-d5 90 60-140

Serial_No:04172317:05 Project Name: Project Number: WEST ORANGE DPW Lab Number: L2317290 IN000380.09 Report Date: 04/17/23 Date Collected: Date Received: Field Prep: 04/01/23 13:50 04/03/23 Not Specified SAMPLE RESULTS Lab ID: Client ID: Sample Location: Sample Depth: Matrix: Anaytical Method: Analytical Date: Analyst: L2317290-08 SSSG-3 Soil_Vapor 48,TO-15 04/16/23 01:37 RAY ppbV Parameter Results ug/m3 RL MDL Results RL MDL Qualifier Dilution Factor NJ Volatile Organics in Air - Mansfield Lab Dichlorodifluoromethane 0.59 0.20 -- 2.9 0.99 -- 1 Chloromethane ND 0.20 -- ND 0.41 -- 1 Freon-114 ND 0.20 -- ND 1.4 -- 1 Vinyl chloride ND 0.20 -- ND 0.51 -- 1 1,3-Butadiene ND 0.20 -- ND 0.44 -- 1 Bromomethane ND 0.20 -- ND 0.78 -- 1 Chloroethane ND 0.20 -- ND 0.53 -- 1 Ethanol 12 5.0 -- 23 9.4 -- 1 Vinyl bromide ND 0.20 -- ND 0.87 -- 1 Acetone 2.3 1.0 -- 5.5 2.4 -- 1 Trichlorofluoromethane 11 0.20 -- 62 1.1 -- 1 Isopropanol 0.67 0.50 -- 1.6 1.2 -- 1 1,1-Dichloroethene ND 0.20 -- ND 0.79 -- 1 Tertiary butyl Alcohol ND 0.50 -- ND 1.5 -- 1 Methylene chloride ND 0.50 -- ND 1.7 -- 1 3-Chloropropene ND 0.20 -- ND 0.63 -- 1 Carbon disulfide ND 0.20 -- ND 0.62 -- 1 Freon-113 ND 0.20 -- ND 1.5 -- 1 trans-1,2-Dichloroethene ND 0.20 -- ND 0.79 -- 1 1,1-Dichloroethane ND 0.20 -- ND 0.81 -- 1 Methyl tert butyl ether ND 0.20 -- ND 0.72 -- 1 2-Butanone ND 0.50 -- ND 1.5 -- 1 cis-1,2-Dichloroethene 0.41 0.20 -- 1.6 0.79 -- 1 Page 33 of 76