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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 <br />Lab Limit <br />Lab Unit <br />Detect <br />Method <br />7833 MW -01 <br />1/27/2023 <br />Ethylbenzene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />Styrene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />1,4 -Dichlorobenzene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />1,2-Dibromoethane <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />Acrolein <br />ND(10) <br />ug/L <br />10 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />1,2-Dichloroethane <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />Vinyl acetate <br />ND(10) <br />ug/L <br />10 No <br />18260B <br />7833 MW -01 <br />1/27/2023 <br />4-Methyl-2-Pentanone <br />ND(10) <br />ug/L <br />10 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />Propionitrile <br />ND(20) <br />ug/L <br />20 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />Acrylonitrile <br />ND(5) <br />ug/L <br />5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />Diisopropyl Ether <br />ND(0.5) <br />ug/L <br />0.5 No <br />82608 <br />7833 MW -01 <br />1/27/2023 <br />Toluene <br />ND(0.5) <br />ug/L <br />0.5 No <br />82608 <br />7833 MW -01 <br />1/27/2023 <br />Chlorobenzene <br />ND(0.5) <br />ug/L <br />0.5 No <br />82608 <br />7833 MW -01 <br />1/27/2023 <br />Dibromochloromethane <br />ND(0.5) <br />ug/L <br />0.5 No <br />82608 <br />7833 MW -01 <br />1/27/2023 <br />Trans-1,4-Dichloro-2-Butene <br />ND(5) <br />ug/L <br />5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />1,2,4-Trichlorobenzene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />cis-1,2-Dichloroethene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 Methacrylonitrile <br />ND(10) <br />ug/L <br />10 No <br />8260B <br />7833 MW -01 <br />1/27/2023 2 -Chloro -1,3 -Butadiene <br />ND(5) <br />ug/L <br />5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />Tetrachloroethene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />trans-1,2-Dichloroethene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />1,1-Dichloropropene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 2-Hexanone <br />ND(10) <br />ug/L <br />10 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />2,2-Dichloropropane <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />1,3 -Dichlorobenzene <br />ND(0.5) <br />ug/L <br />0.5 No <br />18260B <br />7833 MW -01 <br />1/27/2023 <br />1,1,1,2 -Tetrachloroethane <br />ND(0.5) <br />ug/L <br />0.5 No <br />82608 <br />7833 MW -01 <br />1/27/2023 <br />Ethyl -t -Butyl Ether <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />Xylenes, Total <br />ND(1) <br />ug/L <br />1 No <br />82608 <br />7833 MW -01 <br />1/27/2023 <br />cis-1,3-Dichloropropene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />Tert-Amyl-Methyl Ether <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 MTBE <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />trans-1,3-Dichloropropene <br />ND(0.5) <br />ug/L <br />0.5 No <br />8260B <br />7833 MW -01 <br />1/27/2023 <br />Chloride <br />170 mg/L <br />170 <br />1 Yes <br />EPA 300.0 <br />7833 MW -01 <br />1/27/2023 <br />Potassium, Dissolved <br />6.6 mg/L <br />6.6 <br />1 Yes <br />EPA 6010B <br />7833 MW -01 <br />1/27/2023 <br />Bicarbonate <br />190 mg/L <br />190 <br />10 Yes <br />EPA 310.1 <br />7833 MW -01 <br />1/27/2023 <br />Nitrogen, Nitrate <br />36 mg/L <br />36 <br />0.2 Yes <br />EPA 300.0 <br />7833 MW -01 <br />1/27/2023 <br />Solids, Total Dissolved <br />910 mg/L <br />910 <br />50 Yes <br />EPA 160.1 <br />7833 MW -01 <br />1/27/2023 <br />Carbonate <br />ND(5) <br />mg/L <br />5 No <br />EPA 310.1 <br />7833 MW -01 <br />1/27/2023 <br />Calcium, Dissolved <br />110 mg/L <br />110 <br />0.1 Yes <br />EPA 6010B <br />7833 MW -01 <br />1/27/2023 Magnesium, Dissolved <br />49 mg/L <br />49 <br />0.05 Yes <br />EPA 6010B <br />7833 MW -01 <br />1/27/2023 <br />Sodium, Dissolved <br />43 mg/L <br />43 <br />1 Yes <br />EPA 6010B <br />7833 MW -01 <br />1/27/2023 <br />Strontium <br />1200 ug/L <br />1200 <br />10 Yes <br />EPA 6010B <br />7833 MW -01 <br />1/27/2023 <br />Sulfate <br />55 mg/L <br />55 <br />2 Yes <br />EPA 300.0 <br />7833 MW -02 <br />1/31/2022 <br />Benzene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Bromochloromethane <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Bromodichloromethane <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Bromoform <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Bromomethane <br /><1 <br />1 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Carbon tetrachloride <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Chlorobenzene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Chloroethane <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Chloroform <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Chloromethane <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Dibromochloromethane <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />1,2-Dibromo-3-Chloropropane <br /><1 <br />1 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />1,2-Dibromoethane <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Dibromomethane <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />1,2 -Dichlorobenzene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />1,3 -Dichlorobenzene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />1,4 -Dichlorobenzene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Dichlorodifluoromethane <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />1,1-Dichloroethane <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />1,2-Dichloroethane <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 82606 <br />7833 MW -02 <br />1/31/2022 <br />1,1-Dichloroethene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />cis-1,2-Dichloroethene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />trans-1,2-Dichloroethene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />1,2-Dichloropropane <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />cis-1,3-Dichloropropene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />trans-1,3-Dichloropropene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Ethylbenzene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Hexachlorobutadiene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 Methylene Chloride <br /><1 <br />1 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 MTBE <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Naphthalene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />Styrene <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />1,1,1,2 -Tetrachloroethane <br /><0.5 <br />0.5 <br />ug/L <br />No <br />EPA 8260B <br />7833 MW -02 <br />1/31/2022 <br />1,1,2,2 -Tetrachloroethane <br /><0.5 <br />0.5 <br />ug/L <br />NoEPA <br />8260B <br />7833 MW -02 <br />1/31/2022 <br />Tetrachloroethene <br />0.52 0.52 <br />0.5 <br />ug/L <br />1Yes <br />EPA 8260B <br />Page 5 of 527 <br />