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-45 11/3/2023 Methacrylonitrile <10 ND 10 ug/L No 8260B AMW-45 11/3/2023 cis-1,2-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 trans-1,2-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 1,3-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 1,1-Dichloropropene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 1,1,1,2-Tetrachloroethane <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Ethyl-t-Butyl Ether <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 trans-1,3-Dichloropropene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Chloride 25 25 0.5 mg/L Yes 300 AMW-45 11/3/2023 Potassium, Dissolved 4.8 4.8 1 mg/L Yes 6010B AMW-45 11/3/2023 Sodium, Dissolved 58 58 1 mg/L Yes 6010B AMW-45 11/3/2023 Solids, Total Dissolved 550 A10 550 33 mg/L Yes 160.1 AMW-45 11/3/2023 Carbon tetrachloride <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Chloroform <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Benzene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 1,1,1-Trichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Bromomethane <1 ND 1 ug/L No 8260B AMW-45 11/3/2023 Chloroethane <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Vinyl Chloride <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Bromodichloromethane <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 1,1-Dichloroethane 0.16 J 0.16 0.5 ug/L Yes 8260B AMW-45 11/3/2023 Isobutyl Alcohol <20 ND 20 ug/L No 8260B AMW-45 11/3/2023 1,2-Dichloropropane <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Hexachlorobutadiene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Naphthalene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Ethylbenzene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Styrene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 1,2-Dichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Propionitrile <20 ND 20 ug/L No 8260B AMW-45 11/3/2023 Vinyl acetate <10 ND 10 ug/L No 8260B AMW-45 11/3/2023 Toluene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Chlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Trans-1,4-Dichloro-2-Butene <5 ND 5 ug/L No 8260B AMW-45 11/3/2023 1,2,4-Trichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 2-Chloro-1,3-Butadiene <5 ND 5 ug/L No 8260B AMW-45 11/3/2023 Tetrachloroethene 1.9 1.9 0.5 ug/L Yes 8260B AMW-45 11/3/2023 2-Hexanone <10 ND 10 ug/L No 8260B AMW-45 11/3/2023 2,2-Dichloropropane <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Tert-Amyl-Methyl Ether <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Xylenes, Total <1 ND 1 ug/L No 8260B AMW-45 11/3/2023 MTBE <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 cis-1,3-Dichloropropene <0.5 ND 0.5 ug/L No 8260B AMW-45 11/3/2023 Carbonate <2.5 ND 2.5 mg/L No 310.1 AMW-45 11/3/2023 Calcium, Dissolved 74 74 0.1 mg/L Yes 6010B AMW-45 11/3/2023 Magnesium, Dissolved 31 S11 31 0.05 mg/L Yes 6010B AMW-45 11/3/2023 Bicarbonate 370 370 5 mg/L Yes 310.1 AMW-45 11/3/2023 Nitrogen, Nitrate 9.4 9.4 0.1 mg/L Yes 300 AMW-45 11/3/2023 Strontium 790 790 10 ug/L Yes 6010B AMW-45 11/3/2023 Sulfate 72 72 1 mg/L Yes 300 AMW-46 11/2/2022 2-Butanone ND(10)10 ug/L No 8260B AMW-46 11/2/2022 Methyl Iodide ND(2)2 ug/L No 8260B AMW-46 11/2/2022 4-Methyl-2-Pentanone ND(10)10 ug/L No 8260B AMW-46 11/2/2022 Vinyl acetate ND(10)10 ug/L No 8260B AMW-46 11/2/2022 1,2-Dibromoethane ND(0.5)0.5 ug/L No 8260B AMW-46 11/2/2022 Dibromomethane ND(0.5)0.5 ug/L No 8260B AMW-46 11/2/2022 1,2-Dichlorobenzene ND(0.5)0.5 ug/L No 8260B AMW-46 11/2/2022 Toluene ND(0.5)0.5 ug/L No 8260B AMW-46 11/2/2022 pH 7.88 7.88 std units Yes GENERAL AMW-46 11/2/2022 Calcium, Dissolved 81 81 0.1 mg/L Yes EPA 6010B AMW-46 11/2/2022 Magnesium, Dissolved 35 35 0.05 mg/L Yes EPA 6010B AMW-46 11/2/2022 Sodium, Dissolved 42 42 1 mg/L Yes EPA 6010B AMW-46 11/2/2022 Potassium, Dissolved 5.5 5.5 1 mg/L Yes EPA 6010B AMW-46 11/2/2022 Solids, Total Dissolved 580 580 33 mg/L Yes EPA 160.1 AMW-46 11/2/2022 Chloride 27 27 0.5 mg/L Yes EPA 300.0 AMW-46 11/2/2022 Nitrogen, Nitrate 11 11 0.1 mg/L Yes EPA 300.0 AMW-46 11/2/2022 Sulfate 95 95 1 mg/L Yes EPA 300.0 AMW-46 11/2/2022 Bicarbonate 340 340 5 mg/L Yes EPA 310.1 AMW-46 11/2/2022 Carbonate ND(2.5)2.5 mg/L No EPA 310.1 AMW-46 11/2/2022 1,2,4-Trichlorobenzene ND(0.5)0.5 ug/L No 8260B AMW-46 11/2/2022 1,1,1-Trichloroethane ND(0.5)0.5 ug/L No 8260B AMW-46 11/2/2022 1,1,2-Trichloroethane ND(0.5)0.5 ug/L No 8260B AMW-46 11/2/2022 Trichloroethene 1.2 1.2 0.5 ug/L Yes 8260B AMW-46 11/2/2022 Trichlorofluoromethane 0.18 0.18 0.5 ug/L Yes 8260B Page 479 of 926