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Appendix D. Cumulative Historical Data for the Past Year <br />Sample ID <br />Sample Date Parameter <br />Result <br />Lab Result I Lab Limit Lab Unit <br />Detect <br />Method <br />AMW-6 <br />2/3/2023 1,1,2,2 -Tetrachloroethane <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 Hexachlorobutadiene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 Naphthalene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 1,2-Dibromo-3-Chloropropane <br />ND(1) <br />ug/L <br />1 No <br />8260B <br />AMW-6 <br />2/3/2023 1,2,3-Trichloropropane <br />ND(1) <br />ug/L <br />1 No <br />8260B <br />AMW-6 <br />2/3/2023 Ethyl Methacrylate <br />ND(4) <br />ug/L <br />4 No <br />8260B <br />AMW-6 <br />2/3/2023 1,2-Dibromoethane <br />ND(0.5) <br />ug/L <br />0.5 No <br />18260B <br />AMW-6 <br />2/3/2023 Ethylbenzene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 Styrene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 1,4 -Dichlorobenzene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 Acrolein <br />ND(10) <br />ug/L <br />10 No <br />82608 <br />AMW-6 <br />2/3/2023 Propionitrile <br />ND(20) <br />ug/L <br />20 No <br />82608 <br />AMW-6 <br />2/3/2023 Acrylonitrile <br />ND(5) <br />ug/L <br />5 No <br />82608 <br />AMW-6 <br />2/3/2023 4-Methyl-2-Pentanone <br />ND(10) <br />ug/L <br />10 No <br />82608 <br />AMW-6 <br />2/3/2023 1,2-Dichloroethane <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 Vinyl acetate <br />ND(10) <br />ug/L <br />10 No <br />8260B <br />AMW-6 <br />2/3/2023 Chlorobenzene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 Trans-1,4-Dichloro-2-Butene <br />ND(S) <br />ug/L <br />5 No <br />8260B <br />AMW-6 <br />2/3/2023 1,2,4-Trichlorobenzene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 Diisopropyl Ether <br />ND(0.S) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 Toluene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 Dibromochloromethane <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 Methacrylonitrile <br />ND(10) <br />ug/L <br />10 No <br />8260B <br />AMW-6 <br />2/3/2023 2 -Chloro -1,3 -Butadiene <br />ND(S) <br />ug/L <br />5 No <br />8260B <br />AMW-6 <br />2/3/2023 Tetrachloroethene <br />0.49 ug/L <br />0.49 <br />0.5 Yes <br />8260B <br />AMW-6 <br />2/3/2023 cis-1,2-Dichloroethene <br />ND(0.5) <br />ug/L <br />0.5 No <br />82608 <br />AMW-6 <br />2/3/2023 trans-1,2-Dichloroethene <br />ND(0.5) <br />ug/L <br />0.5 No <br />82608 <br />AMW-6 <br />2/3/2023 1,3 -Dichlorobenzene <br />ND(0.S) <br />ug/L <br />0.5 No <br />82608 <br />AMW-6 <br />2/3/2023 1,1-Dichloropropene <br />ND(0.5) <br />ug/L <br />0.5 No <br />18260B <br />AMW-6 <br />2/3/2023 Ethyl -t -Butyl Ether <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 2-Hexanone <br />ND(10) <br />ug/L <br />10 No <br />8260B <br />AMW-6 <br />2/3/2023 2,2-Dichloropropane <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 1,1,1,2 -Tetrachloroethane <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 Tert-Amyl-Methyl Ether <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 MTBE <br />ND(0.5) <br />ug/L <br />0.5 No <br />82608 <br />AMW-6 <br />2/3/2023 trans-1,3-Dichloropropene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 Xylenes, Total <br />ND(1) <br />ug/L <br />1 No <br />8260B <br />AMW-6 <br />2/3/2023 cis-1,3-Dichloropropene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />AMW-6 <br />2/3/2023 Chloride <br />20 mg/L <br />20 <br />0.5 Yes <br />EPA 300.0 <br />AMW-6 <br />2/3/2023 Carbonate <br />ND(2.5) <br />mg/L <br />2.5 No <br />EPA 310.1 <br />AMW-6 <br />2/3/2023 Potassium, Dissolved <br />7.4 mg/L <br />7.4 <br />1 Yes <br />EPA 6010B <br />AMW-6 <br />2/3/2023 Magnesium, Dissolved <br />24 mg/L <br />24 <br />0.05 Yes <br />EPA 6010B <br />AMW-6 <br />2/3/2023 Nitrogen, Nitrate <br />1.6 mg/L <br />1.6 <br />0.1 Yes <br />EPA 300.0 <br />AMW-6 <br />2/3/2023 Strontium <br />550 ug/L <br />550 <br />10 Yes <br />EPA 6010B <br />AMW-6 <br />2/3/2023 Sulfate <br />26 mg/L <br />26 <br />1 Yes <br />EPA 300.0 <br />AMW-6 <br />2/3/2023 Calcium, Dissolved <br />54 mg/L <br />54 <br />0.1 Yes <br />EPA 6010B <br />AMW-6 <br />2/3/2023 Sodium, Dissolved <br />29 mg/L <br />29 <br />1 Yes <br />EPA 6010B <br />AMW-6 <br />2/3/2023 Bicarbonate <br />250 mg/L <br />250 <br />5 Yes <br />EPA 310.1 <br />AMW-6 <br />2/3/2023 Solids, Total Dissolved <br />360 mg/L <br />360 <br />20 Yes <br />EPA 160.1 <br />AMW-7 <br />2/1/2022 Aluminum, Total <br />53 <br />53 <br />50 ug/L <br />Yes <br />EPA 6010B <br />AMW-7 <br />2/1/2022 Antimony, Dissolved <br /><100 <br />100 ug/L <br />No <br />EPA 6010B <br />AMW-7 <br />2/1/2022 Silver, Dissolved <br /><10 <br />10 ug/L <br />No <br />EPA 6010B <br />AMW-7 <br />2/1/2022 Strontium <br />540 <br />540 <br />10 ug/L <br />Yes <br />EPA 6010B <br />AMW-7 <br />2/1/2022 Vanadium, Dissolved <br />22 <br />22 <br />10 ug/L <br />Yes <br />EPA 6010B <br />AMW-7 <br />2/1/2022 Zinc, Dissolved <br /><10 <br />10 ug/L <br />No <br />EPA 6010B <br />AMW-7 <br />2/1/2022 Arsenic, Total <br />10.1 <br />10 <br />50 ug/L <br />Yes <br />EPA 6010B <br />AMW-7 <br />2/1/2022 Iron, Total <br /><50 <br />50 ug/L <br />No <br />EPA 6010B <br />AMW-7 <br />2/1/2022 Manganese, Total <br /><10 <br />10 ug/L <br />No <br />EPA 6010B <br />AMW-7 <br />2/1/2022 Nickel, Dissolved <br /><10 <br />10 ug/L <br />No <br />EPA 6010B <br />AMW-7 <br />2/1/2022 Barium, Dissolved <br />190 <br />190 <br />10 ug/L <br />Yes <br />EPA 6010B <br />AMW-7 <br />2/1/2022 Beryllium, Dissolved <br /><10 <br />10 ug/L <br />No <br />EPA 6010B <br />AMW-7 <br />2/1/2022 Benzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 Bromochloromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 Bromodichloromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 Bromoform <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 Bromomethane <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 Carbon tetrachloride <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 Chlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 Chloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 Chloroform <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 Chloromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 Dibromochloromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/20221,2-Dibromo-3-Chloropropane <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 1,2-Dibromoethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 Dibromomethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 1,2 -Dichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/1/2022 1,3 -Dichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-7 <br />2/l/2022,1,4 -Dichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />Page 347 of 527 <br />