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Appendix D. Cumulative Historical Data for the Past Year <br />Sample ID <br />Sample Date <br />Parameter <br />Result <br />Lab Result I Lab <br />Limit Lab Unit <br />Detect <br />Method <br />7833 MW -03 <br />1/27/2023 <br />1,2-Dichloropropane <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />1,1,2,2 -Tetrachloroethane <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Hexachlorobutadiene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />1,2-Dibromo-3-Chloropropane <br />ND(5) <br />ug/L <br />5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Naphthalene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />1,2 -Dichlorobenzene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />1,2,3-Trichloropropane <br />ND(5) <br />ug/L <br />5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Ethyl Methacrylate <br />ND(20) <br />ug/L <br />20 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Ethylbenzene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Styrene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />1,4 -Dichlorobenzene <br />ND(2.5) <br />ug/L <br />2.5 No <br />82608 <br />7833 MW -03 <br />1/27/2023 <br />1,2-Dibromoethane <br />ND(2.5) <br />ug/L <br />2.5 No <br />82608 <br />7833 MW -03 <br />1/27/2023 <br />Acrolein <br />ND(50) <br />ug/L <br />50 No <br />82608 <br />7833 MW -03 <br />1/27/2023 <br />1,2-Dichloroethane <br />ND(2.5) <br />ug/L <br />2.5 No <br />82608 <br />7833 MW -03 <br />1/27/2023 <br />Vinyl acetate <br />ND(50) <br />ug/L <br />50 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />4-Methyl-2-Pentanone <br />ND(50) <br />ug/L <br />50 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Propionitrile <br />ND(100) <br />ug/L <br />100 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Acrylonitrile <br />ND(25) <br />ug/L <br />25 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Diisopropyl Ether <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Toluene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Chlorobenzene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Dibromochloromethane <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Trans-1,4-Dichloro-2-Butene <br />ND(25) <br />ug/L <br />25 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />1,2,4-Trichlorobenzene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />cis-1,2-Dichloroethene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 Methacrylonitrile <br />ND(SO) <br />ug/L <br />50 No <br />82608 <br />7833 MW -03 <br />1/27/2023 2 -Chloro -1,3 -Butadiene <br />ND(25) <br />ug/L <br />25 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Tetrachloroethene <br />1.4 ug/L <br />1.4 <br />2.5 Yes <br />82608 <br />7833 MW -03 <br />1/27/2023 <br />trans-1,2-Dichloroethene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />1,1-Dichloropropene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 2-Hexanone <br />ND(50) <br />ug/L <br />50 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />1,3 -Dichlorobenzene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />2,2-Dichloropropane <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />1,1,1,2 -Tetrachloroethane <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Ethyl -t -Butyl Ether <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Xylenes, Total <br />ND(S) <br />ug/L <br />5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />cis-1,3-Dichloropropene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Tert-Amyl-Methyl Ether <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 MTBE <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />trans-1,3-Dichloropropene <br />ND(2.5) <br />ug/L <br />2.5 No <br />8260B <br />7833 MW -03 <br />1/27/2023 <br />Chloride <br />190 mg/L <br />190 <br />1 Yes <br />EPA 300.0 <br />7833 MW -03 <br />1/27/2023 <br />Potassium, Dissolved <br />8.3 mg/L <br />8.3 <br />1 Yes <br />EPA 6010B <br />7833 MW -03 <br />1/27/2023 <br />Bicarbonate <br />270 mg/L <br />270 <br />10 Yes <br />EPA 310.1 <br />7833 MW -03 <br />1/27/2023 <br />Nitrogen, Nitrate <br />31 mg/L <br />31 <br />0.2 Yes <br />EPA 300.0 <br />7833 MW -03 <br />1/27/2023 <br />Solids, Total Dissolved <br />940 mg/L <br />940 <br />50 Yes <br />EPA 160.1 <br />7833 MW -03 <br />1/27/2023 <br />Carbonate <br />ND(S) <br />mg/L <br />5 No <br />EPA 310.1 <br />7833 MW -03 <br />1/27/2023 <br />Calcium, Dissolved <br />110 mg/L <br />110 <br />0.1 Yes <br />EPA 6010B <br />7833 MW -03 <br />1/27/2023 Magnesium, Dissolved <br />57 mg/L <br />57 <br />0.05 Yes <br />EPA 6010B <br />7833 MW -03 <br />1/27/2023 <br />Sodium, Dissolved <br />44 mg/L <br />44 <br />1 Yes <br />EPA 6010B <br />7833 MW -03 <br />1/27/2023 <br />Strontium <br />1300 ug/L <br />1300 <br />10 Yes <br />EPA 6010B <br />7833 MW -03 <br />1/27/2023 <br />Sulfate <br />48 mg/L <br />48 <br />2 Yes <br />EPA 300.0 <br />7833 MW -04 <br />1/31/2022 <br />1,1,2,2 -Tetrachloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Tetrachloroethene <br />0.21 J <br />0.21 <br />0.5 ug/L <br />Yes <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Toluene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />1,2,4-Trichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />1,1,1 -Trichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />1,1,2 -Trichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Trichloroethene <br />1.2 1.2 <br />0.5 ug/L <br />Yes <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Trichlorofluoromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />1,2,3-Trichloropropane <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Vinyl Chloride <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Xylenes, Total <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Acetone <br /><10 <br />10 ug/L <br />No <br />EPA 82606 <br />7833 MW -04 <br />1/31/2022 <br />Acrylonitrile <br /><5 <br />5 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Tert-Amyl-Methyl Ether <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />1,1-Dimethylethanol <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Carbon Disulfide <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Trans-1,4-Dichloro-2-Butene <br /><5 <br />5 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Diisopropyl Ether <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Ethanol <br /><250 <br />250 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Ethyl -t -Butyl Ether <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />2-Hexanone <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 2-Butanone <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 Methyl Iodide <br /><2 <br />2 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />4-Methyl-2-Pentanone <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Vinyl acetate <br /><10 <br />I I <br />10 ug/L <br />INo <br />I EPA 8260B <br />7833 MW -04 <br />1/31/2022 <br />Strontium <br />7101 7101 <br />10 ug/L <br />IYes <br />I EPA 6010B <br />7833 MW -04 <br />1/31/2022 <br />Benzene <br /><0.5 <br />1 1 <br />0.5 ug/L <br />INo <br />I EPA 8260B <br />Page 14 of 527 <br />