COMPLIANCE INFO_REV.4TH QTR-ANNUAL REPORT 6/26/2025

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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-12 8/7/2024 Ethanol <250 ND 250 ug/L No 8260B AMW-12 8/7/2024 Chloroform <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 Bromomethane <1 ND 1 ug/L No 8260B AMW-12 8/7/2024 Chloromethane <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 Bromochloromethane <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 Chloroethane <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 Acetonitrile <10 ND 10 ug/L No 8260B AMW-12 8/7/2024 Bromoform <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 Bromodichloromethane <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 tert-Butyl Alcohol <10 ND 10 ug/L No 8260B AMW-12 8/7/2024 Trichlorofluoromethane <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 Isobutyl Alcohol <20 ND 20 ug/L No 8260B AMW-12 8/7/2024 1,1,2-Trichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 Trichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 Naphthalene <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 1,2-Dibromo-3-Chloropropane <1 ND 1 ug/L No 8260B AMW-12 8/7/2024 Ethylbenzene <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 1,2-Dibromoethane <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 Acrolein <10 ND 10 ug/L No 8260B AMW-12 8/7/2024 Propionitrile <20 ND 20 ug/L No 8260B AMW-12 8/7/2024 Vinyl acetate <10 ND 10 ug/L No 8260B AMW-12 8/7/2024 4-Methyl-2-Pentanone <10 ND 10 ug/L No 8260B AMW-12 8/7/2024 Chlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 Trans-1,4-Dichloro-2-Butene <5 ND 5 ug/L No 8260B AMW-12 8/7/2024 Methacrylonitrile <10 ND 10 ug/L No 8260B AMW-12 8/7/2024 Tetrachloroethene 0.65 0.65 0.5 ug/L Yes 8260B AMW-12 8/7/2024 cis-1,2-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 1,1-Dichloropropene <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 2-Hexanone <10 ND 10 ug/L No 8260B AMW-12 8/7/2024 Xylenes, Total <1 ND 1 ug/L No 8260B AMW-12 8/7/2024 MTBE <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 cis-1,3-Dichloropropene <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 trans-1,3-Dichloropropene <0.5 ND 0.5 ug/L No 8260B AMW-12 8/7/2024 Chloride 49 49 0.5 mg/L Yes 300. AMW-12 8/7/2024 Carbonate <2.5 ND 2.5 mg/L No 310.1 AMW-12 8/7/2024 Magnesium, Dissolved 38 38 0.05 mg/L Yes 6010B AMW-12 8/7/2024 Sodium, Dissolved 50 50 1 mg/L Yes 6010B AMW-12 8/7/2024 Bicarbonate 310 310 5 mg/L Yes 310.1 AMW-13 11/6/2023 Benzene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 1,1,1-Trichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Bromomethane <1 ND 1 ug/L No 8260B AMW-13 11/6/2023 Chloroethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Vinyl Chloride <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Acetonitrile <10 ND 10 ug/L No 8260B AMW-13 11/6/2023 Bromodichloromethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 1,1-Dichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 1,1-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Isobutyl Alcohol <20 ND 20 ug/L No 8260B AMW-13 11/6/2023 1,2-Dichloropropane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 2-Butanone <10 ND 10 ug/L No 8260B AMW-13 11/6/2023 Hexachlorobutadiene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Naphthalene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Ethyl Methacrylate <4 ND 4 ug/L No 8260B AMW-13 11/6/2023 Ethylbenzene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Styrene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 1,2-Dichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Propionitrile <20 ND 20 ug/L No 8260B AMW-13 11/6/2023 Acrylonitrile <5 ND 5 ug/L No 8260B AMW-13 11/6/2023 Toluene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Chlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Trans-1,4-Dichloro-2-Butene <5 ND 5 ug/L No 8260B AMW-13 11/6/2023 2-Chloro-1,3-Butadiene <5 ND 5 ug/L No 8260B AMW-13 11/6/2023 Tetrachloroethene 4 4 0.5 ug/L Yes 8260B AMW-13 11/6/2023 cis-1,2-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 1,1-Dichloropropene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 2-Hexanone <10 ND 10 ug/L No 8260B AMW-13 11/6/2023 2,2-Dichloropropane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Xylenes, Total <1 ND 1 ug/L No 8260B AMW-13 11/6/2023 MTBE <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Nitrogen 6.9 6.9 0.3 mg/L Yes Calculation AMW-13 11/6/2023 trans-1,3-Dichloropropene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Sodium, Dissolved 47 47 1 mg/L Yes 6010B AMW-13 11/6/2023 Iron, Total <50 ND 50 ug/L No 6010B AMW-13 11/6/2023 Bicarbonate 400 400 5 mg/L Yes 310.1 AMW-13 11/6/2023 Manganese, Total <10 ND 10 ug/L No 6010B AMW-13 11/6/2023 Nitrogen, Kjeldahl <0.2 ND 0.2 mg/L No 351.2 AMW-13 11/6/2023 Nitrogen, Nitrate 6.9 6.9 0.1 mg/L Yes 300 AMW-13 11/6/2023 Strontium 860 860 10 ug/L Yes 6010B AMW-13 11/6/2023 Sulfate 72 72 1 mg/L Yes 300 AMW-13 11/6/2023 Solids, Total Dissolved 560 A10 560 33 mg/L Yes 160.1 AMW-13 11/6/2023 Carbon tetrachloride <0.5 ND 0.5 ug/L No 8260B Page 76 of 659