COMPLIANCE INFO_2023 Q4 WATER QUALITY RPT

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Appendix D. Cumulative Historical Data for the Past Year Sample ID Sample Date Parameter Result Lab Result (numeric)Lab Limit Lab Unit Detect Method AMW-51S 8/4/2023 1,4-Dichlorobenzene ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 1,2-Dibromoethane ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 Acrolein ND(10)ND 10 ug/L No 8260B AMW-51S 8/4/2023 1,2-Dichloroethane ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 Propionitrile ND(20)ND 20 ug/L No 8260B AMW-51S 8/4/2023 Acrylonitrile ND(5)ND 5 ug/L No 8260B AMW-51S 8/4/2023 Vinyl acetate ND(10)ND 10 ug/L No 8260B AMW-51S 8/4/2023 4-Methyl-2-Pentanone ND(10)ND 10 ug/L No 8260B AMW-51S 8/4/2023 Diisopropyl Ether ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 Toluene ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 Chlorobenzene ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 Methacrylonitrile ND(10)ND 10 ug/L No 8260B AMW-51S 8/4/2023 2-Chloro-1,3-Butadiene ND(5)ND 5 ug/L No 8260B AMW-51S 8/4/2023 Trans-1,4-Dichloro-2-Butene ND(5)ND 5 ug/L No 8260B AMW-51S 8/4/2023 1,2,4-Trichlorobenzene ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 Dibromochloromethane ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 cis-1,2-Dichloroethene ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 1,1-Dichloropropene ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 Tetrachloroethene 0.55 0.55 0.5 ug/L Yes 8260B AMW-51S 8/4/2023 trans-1,2-Dichloroethene ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 1,3-Dichlorobenzene ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 1,1,1,2-Tetrachloroethane ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 Ethyl-t-Butyl Ether ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 Tert-Amyl-Methyl Ether ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 2-Hexanone ND(10)ND 10 ug/L No 8260B AMW-51S 8/4/2023 2,2-Dichloropropane ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 Xylenes, Total ND(1)ND 1 ug/L No 8260B AMW-51S 8/4/2023 cis-1,3-Dichloropropene ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 Chloride 32 32 0.5 mg/L Yes 300 AMW-51S 8/4/2023 Carbonate ND(2.5)ND 2.5 mg/L No 310.1 AMW-51S 8/4/2023 Calcium, Dissolved 58 58 0.1 mg/L Yes 6010B AMW-51S 8/4/2023 MTBE ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 trans-1,3-Dichloropropene ND(0.5)ND 0.5 ug/L No 8260B AMW-51S 8/4/2023 Potassium, Dissolved 4.7 4.7 1 mg/L Yes 6010B AMW-51S 8/4/2023 Sodium, Dissolved 43 43 1 mg/L Yes 6010B AMW-51S 8/4/2023 Bicarbonate 370 370 5 mg/L Yes 310.1 AMW-51S 8/4/2023 Strontium 610 610 10 ug/L Yes 6010B AMW-51S 8/4/2023 Sulfate 34 34 1 mg/L Yes 300 AMW-51S 8/4/2023 Magnesium, Dissolved 28 28 0.05 mg/L Yes 6010B AMW-51S 8/4/2023 Nitrogen, Nitrate 1.9 1.9 0.1 mg/L Yes 300 AMW-51S 8/4/2023 Solids, Total Dissolved 420 420 33 mg/L Yes 160.1 AMW-51S 11/9/2023 Carbon tetrachloride 0.78 0.78 0.5 ug/L Yes 8260B AMW-51S 11/9/2023 Ethanol <250 ND 250 ug/L No 8260B AMW-51S 11/9/2023 Acetone <10 ND 10 ug/L No 8260B AMW-51S 11/9/2023 Chloromethane <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 Methyl Iodide <2 ND 2 ug/L No 8260B AMW-51S 11/9/2023 Dibromomethane <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 Methylene Chloride <1 ND 1 ug/L No 8260B AMW-51S 11/9/2023 Carbon Disulfide <1 ND 1 ug/L No 8260B AMW-51S 11/9/2023 Bromoform <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 tert-Butyl Alcohol <10 ND 10 ug/L No 8260B AMW-51S 11/9/2023 Trichlorofluoromethane <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 Dichlorodifluoromethane <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 2-Butanone <10 ND 10 ug/L No 8260B AMW-51S 11/9/2023 1,1,2-Trichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 Trichloroethene 0.13 J 0.13 0.5 ug/L Yes 8260B AMW-51S 11/9/2023 1,1,2,2-Tetrachloroethane <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 1,2-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 1,2-Dibromo-3-Chloropropane <1 ND 1 ug/L No 8260B AMW-51S 11/9/2023 1,2,3-Trichloropropane <1 ND 1 ug/L No 8260B AMW-51S 11/9/2023 1,4-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 1,2-Dibromoethane <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 Acrolein <10 ND 10 ug/L No 8260B AMW-51S 11/9/2023 Allyl Chloride <5 ND 5 ug/L No 8260B AMW-51S 11/9/2023 Vinyl acetate <10 ND 10 ug/L No 8260B AMW-51S 11/9/2023 4-Methyl-2-Pentanone <10 ND 10 ug/L No 8260B AMW-51S 11/9/2023 Diisopropyl Ether <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 1,2,4-Trichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 Dibromochloromethane <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 Methacrylonitrile <10 ND 10 ug/L No 8260B AMW-51S 11/9/2023 trans-1,2-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 1,3-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-51S 11/9/2023 1,1,1,2-Tetrachloroethane <0.5 ND 0.5 ug/L No 8260B Page 563 of 926