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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-31 <br />1/27/2023 Potassium, Dissolved <br />6.8 mg/L <br />6.8 <br />1 Yes <br />EPA 6010B <br />AMW-31 <br />1/27/2023 Bicarbonate <br />370 mg/L <br />370 <br />5 Yes <br />EPA 310.1 <br />AMW-31 <br />1/27/2023 Nitrogen, Nitrate <br />2.6 mg/L <br />2.6 <br />0.1 Yes <br />EPA 300.0 <br />AMW-31 <br />1/27/2023 Solids, Total Dissolved <br />440 mg/L <br />440 <br />20 Yes <br />EPA 160.1 <br />AMW-31 <br />1/27/2023 Carbonate <br />ND(2.5) <br />mg/L <br />2.5 No <br />EPA 310.1 <br />AMW-31 <br />1/27/2023 Calcium, Dissolved <br />60 mg/L <br />60 <br />0.1 Yes <br />EPA 6010B <br />AMW-31 <br />1/27/2023 Magnesium, Dissolved <br />29 mg/L <br />29 <br />0.05 Yes <br />EPA 6010B <br />AMW-31 <br />1/27/2023 Sodium, Dissolved <br />30 mg/L <br />30 <br />1 Yes <br />EPA 6010B <br />AMW-31 <br />1/27/2023 Strontium <br />690 ug/L <br />690 <br />10 Yes <br />EPA 6010B <br />AMW-31 <br />1/27/2023 Sulfate <br />21 mg/L <br />21 <br />1 Yes <br />EPA 300.0 <br />AMW-31S <br />1/26/2022 Toluene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 1,2,4-Trichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 1,1,1 -Trichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 1,1,2 -Trichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Trichloroethene <br />0.271 <br />0.27 <br />0.5 ug/L <br />Yes <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Trichlorofluoromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 1,2,3-Trichloropropane <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Vinyl Chloride <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Xylenes, Total <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Acetone <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Acrylonitrile <br /><5 <br />5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Tert-Amyl-Methyl Ether <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 1,1-Dimethylethanol <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Carbon Disulfide <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Trans-1,4-Dichloro-2-Butene <br /><5 <br />5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Diisopropyl Ether <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Ethanol <br /><250 <br />250 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Ethyl -t -Butyl Ether <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 2-Hexanone <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 2-Butanone <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Methyl Iodide <br /><2 <br />2 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 4-Methyl-2-Pentanone <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Vinyl acetate <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Strontium <br />570 570 <br />10 ug/L <br />Yes <br />EPA 6010B <br />AMW-31S <br />1/26/2022 Arsenic, Total <br />17J <br />17 <br />50 ug/L <br />Yes <br />EPA 6010B <br />AMW-31S <br />1/26/2022 Iron, Total <br />110 110 <br />50 ug/L <br />Yes <br />EPA 6010B <br />AMW-31S <br />1/26/2022 Manganese, Total <br />7.4J <br />7.4 <br />10 ug/L <br />Yes <br />EPA 6010B <br />AMW-31S <br />1/26/2022 Benzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Bromochloromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Bromodichloromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Bromoform <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Bromomethane <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Carbon tetrachloride <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Chlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Chloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Chloroform <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Chloromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Dibromochloromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 1,2-Dibromo-3-Chloropropane <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 1,2-Dibromoethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Dibromomethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 1,2 -Dichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 1,3 -Dichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 1,4 -Dichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-315 <br />1/26/2022 Dichlorodifluoromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 1,1-Dichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-315 <br />1/26/2022 1,2-Dichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 1,1-Dichloroethene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-315 <br />1/26/2022 cis-1,2-Dichloroethene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 trans-1,2-Dichloroethene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-315 <br />1/26/2022 1,2-Dichloropropane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 cis-1,3-Dichloropropene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-315 <br />1/26/2022 trans-1,3-Dichloropropene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 82606 <br />AMW-31S <br />1/26/2022 Ethylbenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-315 <br />1/26/2022 Hexachlorobutadiene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-315 <br />1/26/2022 Methylene Chloride <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />AMW-315 <br />1/26/2022 MTBE <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Naphthalene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-315 <br />1/26/2022 Styrene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 1,1,1,2 -Tetrachloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-315 <br />1/26/2022 1,1,2,2 -Tetrachloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-31S <br />1/26/2022 Tetrachloroethene <br />1.1 1.1 <br />0.5 ug/L <br />Yes <br />EPA 8260B <br />AMW-315 <br />1/26/2022 Nitrogen, Kjeldahl <br /><0.2 <br />0.2 mg/L <br />No <br />EPA 351.2 <br />AMW-31S <br />1/26/2022 Nitrogen <br />1.2 1.2 <br />0.3 mg/L <br />Yes <br />ICalculation <br />AMW-315 <br />1/26/2022 Calcium, Dissolved <br />53 53 <br />0.1 mg/L <br />Yes <br />EPA 60106 <br />AMW-31S <br />1/26/2022 Magnesium, Dissolved <br />24 24 <br />0.05 mg/L <br />Yes <br />EPA 6010B <br />AMW-31S <br />1/26/2022 Sodium, Dissolved <br />1 <br />371 37 <br />1 mg/L <br />Yes <br />EPA 6010B <br />AMW-315 <br />1/26/2022 Potassium, Dissolved <br />5.31 5.3 <br />1 mg/L <br />Yes <br />EPA 6010B <br />Page 186 of 527 <br />