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-14 8/8/2024 1,1-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 tert-Butyl Alcohol <10 ND 10 ug/L No 8260B AMW-14 8/8/2024 Isobutyl Alcohol <20 ND 20 ug/L No 8260B AMW-14 8/8/2024 1,2-Dichloropropane <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 2-Butanone <10 ND 10 ug/L No 8260B AMW-14 8/8/2024 1,1,2,2-Tetrachloroethane <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 Hexachlorobutadiene <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 Naphthalene <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 1,2,3-Trichloropropane <1 ND 1 ug/L No 8260B AMW-14 8/8/2024 1,2,3-Trichloropropane <0.005 ND 0.005 ug/L No 524.2 AMW-14 8/8/2024 Ethylbenzene <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 Styrene <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 Allyl Chloride <5 ND 5 ug/L No 8260B AMW-14 8/8/2024 1,2-Dichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 Propionitrile <20 ND 20 ug/L No 8260B AMW-14 8/8/2024 4-Methyl-2-Pentanone <10 ND 10 ug/L No 8260B AMW-14 8/8/2024 Diisopropyl Ether <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 Toluene <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 1,2,4-Trichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 Dibromochloromethane <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 Methacrylonitrile <10 ND 10 ug/L No 8260B AMW-14 8/8/2024 cis-1,2-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 trans-1,2-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 1,3-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 1,1,1,2-Tetrachloroethane <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 Ethyl-t-Butyl Ether <0.5 ND 0.5 ug/L No 8260B AMW-14 8/8/2024 Calcium, Dissolved 47 47 0.1 mg/L Yes 6010B AMW-14 8/8/2024 Sodium, Dissolved 39 39 1 mg/L Yes 6010B AMW-14 8/8/2024 Manganese, Total 4.5 J 4.5 10 ug/L Yes 6010B AMW-14 8/8/2024 Nitrogen, Kjeldahl <0.2 ND 0.2 mg/L No 351.2 AMW-14 8/8/2024 Nitrogen, Nitrate 2.1 2.1 0.1 mg/L Yes 300. AMW-14 8/8/2024 Nitrite <0.2 ND 0.2 mg/L No 300. AMW-14 8/8/2024 Nitrate 9.2 9.2 0.44 mg/L Yes 300. AMW-14 8/8/2024 Strontium 510 510 10 ug/L Yes 6010B AMW-14 8/8/2024 Sulfate 30 30 1 mg/L Yes 300. AMW-18 11/6/2023 Acetone <10 ND 10 ug/L No 8260B AMW-18 11/6/2023 Benzene <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 1,1,1-Trichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Chloromethane <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Bromochloromethane <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Chloroethane <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Acetonitrile <10 ND 10 ug/L No 8260B AMW-18 11/6/2023 Bromoform <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 1,1-Dichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 1,1-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Dichlorodifluoromethane <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 1,2-Dichloropropane <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 2-Butanone <10 ND 10 ug/L No 8260B AMW-18 11/6/2023 1,1,2,2-Tetrachloroethane <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Hexachlorobutadiene <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 1,2-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Ethyl Methacrylate <4 ND 4 ug/L No 8260B AMW-18 11/6/2023 Ethylbenzene <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 1,4-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Allyl Chloride <5 ND 5 ug/L No 8260B AMW-18 11/6/2023 Propionitrile <20 ND 20 ug/L No 8260B AMW-18 11/6/2023 Acrylonitrile <5 ND 5 ug/L No 8260B AMW-18 11/6/2023 Diisopropyl Ether <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Chlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Trans-1,4-Dichloro-2-Butene <5 ND 5 ug/L No 8260B AMW-18 11/6/2023 Methacrylonitrile <10 ND 10 ug/L No 8260B AMW-18 11/6/2023 Tetrachloroethene <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 cis-1,2-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 1,1-Dichloropropene <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 2-Hexanone <10 ND 10 ug/L No 8260B AMW-18 11/6/2023 1,1,1,2-Tetrachloroethane <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Xylenes, Total <1 ND 1 ug/L No 8260B AMW-18 11/6/2023 MTBE <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 cis-1,3-Dichloropropene <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Carbonate <5 A10 ND 5 mg/L No 310.1 AMW-18 11/6/2023 Sodium, Dissolved 51 51 1 mg/L Yes 6010B AMW-18 11/6/2023 Nitrogen, Nitrate 23 A10 23 0.2 mg/L Yes 300 AMW-18 11/6/2023 Strontium 1200 1200 10 ug/L Yes 6010B AMW-18 11/6/2023 Sulfate 80 80 1 mg/L Yes 300 AMW-18 11/6/2023 Solids, Total Dissolved 690 A10 690 33 mg/L Yes 160.1 AMW-18 11/6/2023 Carbon tetrachloride <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Ethanol <250 ND 250 ug/L No 8260B AMW-18 11/6/2023 Chloroform <0.5 ND 0.5 ug/L No 8260B AMW-18 11/6/2023 Bromomethane <1 ND 1 ug/L No 8260B AMW-18 11/6/2023 Methyl Iodide <2 ND 2 ug/L No 8260B AMW-18 11/6/2023 Dibromomethane <0.5 ND 0.5 ug/L No 8260B Page 91 of 659