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-13 11/6/2023 Ethanol <250 ND 250 ug/L No 8260B AMW-13 11/6/2023 Acetone <10 ND 10 ug/L No 8260B AMW-13 11/6/2023 Chloroform <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Chloromethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Methyl Iodide <2 ND 2 ug/L No 8260B AMW-13 11/6/2023 Dibromomethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Bromochloromethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Methylene Chloride <1 ND 1 ug/L No 8260B AMW-13 11/6/2023 Carbon Disulfide <1 ND 1 ug/L No 8260B AMW-13 11/6/2023 Bromoform <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 tert-Butyl Alcohol <10 ND 10 ug/L No 8260B AMW-13 11/6/2023 Trichlorofluoromethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Dichlorodifluoromethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 1,1,2-Trichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Trichloroethene 0.98 0.98 0.5 ug/L Yes 8260B AMW-13 11/6/2023 1,1,2,2-Tetrachloroethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 1,2-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 1,2-Dibromo-3-Chloropropane <1 ND 1 ug/L No 8260B AMW-13 11/6/2023 1,2,3-Trichloropropane <1 ND 1 ug/L No 8260B AMW-13 11/6/2023 1,4-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 1,2-Dibromoethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Acrolein <10 ND 10 ug/L No 8260B AMW-13 11/6/2023 Allyl Chloride <5 ND 5 ug/L No 8260B AMW-13 11/6/2023 Vinyl acetate <10 ND 10 ug/L No 8260B AMW-13 11/6/2023 4-Methyl-2-Pentanone <10 ND 10 ug/L No 8260B AMW-13 11/6/2023 Diisopropyl Ether <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 1,2,4-Trichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Dibromochloromethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Methacrylonitrile <10 ND 10 ug/L No 8260B AMW-13 11/6/2023 trans-1,2-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 1,3-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 1,1,1,2-Tetrachloroethane <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Ethyl-t-Butyl Ether <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Tert-Amyl-Methyl Ether <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 cis-1,3-Dichloropropene <0.5 ND 0.5 ug/L No 8260B AMW-13 11/6/2023 Arsenic, Total <50 ND 50 ug/L No 6010B AMW-13 11/6/2023 Chloride 23 23 0.5 mg/L Yes 300 AMW-13 11/6/2023 Carbonate <2.5 ND 2.5 mg/L No 310.1 AMW-13 11/6/2023 Calcium, Dissolved 77 77 0.1 mg/L Yes 6010B AMW-13 11/6/2023 Potassium, Dissolved 6.4 6.4 1 mg/L Yes 6010B AMW-13 11/6/2023 Magnesium, Dissolved 40 40 0.05 mg/L Yes 6010B AMW-13 1/26/2024 Carbon tetrachloride <0.5 ND 0.5 ug/L No 8260B AMW-13 1/26/2024 1,1,1-Trichloroethane <0.5 ug/L No 8260B AMW-13 1/26/2024 Bromomethane <1 ug/L No 8260B AMW-13 1/26/2024 Chloromethane <0.5 ug/L No 8260B AMW-13 1/26/2024 Methyl Iodide <2 ug/L No 8260B AMW-13 1/26/2024 Acetonitrile <10 ug/L No 8260B AMW-13 1/26/2024 Methylene Chloride <1 ug/L No 8260B AMW-13 1/26/2024 Carbon Disulfide <1 ug/L No 8260B AMW-13 1/26/2024 tert-Butyl Alcohol <10 ug/L No 8260B AMW-13 1/26/2024 Trichlorofluoromethane 0.26 J ug/L Yes 8260B AMW-13 1/26/2024 Dichlorodifluoromethane <0.5 ug/L No 8260B AMW-13 1/26/2024 Isobutyl Alcohol <20 ug/L No 8260B AMW-13 1/26/2024 1,1,2,2-Tetrachloroethane <0.5 ug/L No 8260B AMW-13 1/26/2024 Hexachlorobutadiene <0.5 ug/L No 8260B AMW-13 1/26/2024 Naphthalene <0.5 ug/L No 8260B AMW-13 1/26/2024 1,2-Dichlorobenzene <0.5 ug/L No 8260B AMW-13 1/26/2024 Styrene <0.5 ug/L No 8260B AMW-13 1/26/2024 1,4-Dichlorobenzene <0.5 ug/L No 8260B AMW-13 1/26/2024 1,2-Dibromoethane <0.5 ug/L No 8260B AMW-13 1/26/2024 Acrolein <10 ug/L No 8260B AMW-13 1/26/2024 Acrylonitrile <5 ug/L No 8260B AMW-13 1/26/2024 Vinyl acetate <10 ug/L No 8260B AMW-13 1/26/2024 4-Methyl-2-Pentanone <10 ug/L No 8260B AMW-13 1/26/2024 Diisopropyl Ether <0.5 ug/L No 8260B AMW-13 1/26/2024 Dibromochloromethane <0.5 ug/L No 8260B AMW-13 1/26/2024 Methacrylonitrile <10 ug/L No 8260B AMW-13 1/26/2024 2-Chloro-1,3-Butadiene <5 ug/L No 8260B AMW-13 1/26/2024 Tetrachloroethene 5.1 ug/L Yes 8260B AMW-13 1/26/2024 2-Hexanone <10 ug/L No 8260B AMW-13 1/26/2024 2,2-Dichloropropane <0.5 ug/L No 8260B AMW-13 1/26/2024 1,1,1,2-Tetrachloroethane <0.5 ug/L No 8260B AMW-13 1/26/2024 Ethyl-t-Butyl Ether <0.5 ug/L No 8260B AMW-13 1/26/2024 cis-1,3-Dichloropropene <0.5 ug/L No 8260B AMW-13 1/26/2024 Arsenic, Total <50 ug/L No 6010B AMW-13 1/26/2024 Chloride 22 mg/L Yes 300 AMW-13 1/26/2024 Carbonate <2.5 mg/L No 310.1 AMW-13 1/26/2024 Calcium, Dissolved 83 mg/L Yes 6010B AMW-13 1/26/2024 Potassium, Dissolved 6.9 mg/L Yes 6010B AMW-13 1/26/2024 Iron, Total <50 ug/L No 6010B AMW-13 1/26/2024 Bicarbonate 390 mg/L Yes 310.1 Page 77 of 659