COMPLIANCE INFO_2024 Q1 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-14 5/8/2023 Sodium, Dissolved 47 47 1 mg/L Yes 6010B AMW-14 5/8/2023 Potassium, Dissolved 4.5 4.5 1 mg/L Yes 6010B AMW-14 5/8/2023 Bicarbonate 330 330 5 mg/L Yes 310.1 AMW-14 5/8/2023 Carbonate <2.5 2.5 mg/L No 310.1 AMW-14 5/8/2023 Chloride 33 33 0.5 mg/L Yes 300 AMW-14 5/8/2023 Nitrogen, Nitrate 1.9 1.9 0.1 mg/L Yes 300 AMW-14 5/8/2023 Sulfate 31 31 1 mg/L Yes 300 AMW-14 5/8/2023 Solids, Total Dissolved 440 A10 440 20 mg/L Yes 160.1 AMW-14 5/8/2023 Cyanide, Total <0.005 0.005 mg/L No 335.4 AMW-14 5/8/2023 Sulfide, Total <0.1 0.1 mg/L No 4500-S D AMW-14 5/8/2023 Non-Volatile Organic Carbon 0.67 J 0.67 1 mg/L Yes 415.1 AMW-14 5/8/2023 Chemical Oxygen Demand <25 25 mg O2/L No 410.4 AMW-14 5/8/2023 Aluminum, Total <50 50 ug/L No 6010B AMW-14 5/8/2023 Antimony, Dissolved <100 100 ug/L No 6010B AMW-14 5/8/2023 Arsenic, Dissolved 3.9 3.9 2 ug/L Yes 200.8 AMW-14 5/8/2023 Chromium, Hexavalent <2 2 ug/L No 7196 AMW-14 5/8/2023 Barium, Dissolved 160 160 10 ug/L Yes 6010B AMW-14 5/8/2023 Beryllium, Dissolved <10 10 ug/L No 6010B AMW-14 5/8/2023 Cadmium, Dissolved <10 10 ug/L No 6010B AMW-14 5/8/2023 Chromium, Dissolved <10 10 ug/L No 6010B AMW-14 5/8/2023 Cobalt, Dissolved <50 50 ug/L No 6010B AMW-14 5/8/2023 Copper, Dissolved <10 10 ug/L No 6010B AMW-14 5/8/2023 Iron, Dissolved <50 50 ug/L No 6010B AMW-14 5/8/2023 Lead, Dissolved <1 1 ug/L No 200.8 AMW-14 5/8/2023 Manganese, Dissolved <10 10 ug/L No 6010B AMW-14 5/8/2023 Mercury, Dissolved 0.11 J 0.11 0.2 ug/L Yes 7470A AMW-14 5/8/2023 Nickel, Dissolved <10 10 ug/L No 6010B AMW-14 5/8/2023 Selenium, Dissolved 0.62 J 0.62 2 ug/L Yes 200.8 AMW-14 5/8/2023 Silver, Dissolved <10 10 ug/L No 6010B AMW-14 5/8/2023 Strontium 590 590 10 ug/L Yes 6010B AMW-14 5/8/2023 Thallium, Dissolved <1 1 ug/L No 200.8 AMW-14 5/8/2023 Tin, Dissolved <1 1 ug/L No 200.8 AMW-14 11/3/2023 Benzene <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 1,1,1-Trichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Bromomethane <1 ND 1 ug/L No 8260B AMW-14 11/3/2023 Bromochloromethane <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Chloroethane <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Vinyl Chloride <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Acetonitrile <10 ND 10 ug/L No 8260B AMW-14 11/3/2023 Bromodichloromethane <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 1,1-Dichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 1,1-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Dichlorodifluoromethane <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Isobutyl Alcohol <20 ND 20 ug/L No 8260B AMW-14 11/3/2023 1,2-Dichloropropane <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 2-Butanone <10 ND 10 ug/L No 8260B AMW-14 11/3/2023 1,1,2,2-Tetrachloroethane <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Hexachlorobutadiene <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Naphthalene <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 1,2-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Ethyl Methacrylate <4 ND 4 ug/L No 8260B AMW-14 11/3/2023 Ethylbenzene <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Styrene <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 1,4-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Allyl Chloride <5 ND 5 ug/L No 8260B AMW-14 11/3/2023 1,2-Dichloroethane <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Propionitrile <20 ND 20 ug/L No 8260B AMW-14 11/3/2023 Acrylonitrile <5 ND 5 ug/L No 8260B AMW-14 11/3/2023 Toluene <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Chlorobenzene <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Trans-1,4-Dichloro-2-Butene <5 ND 5 ug/L No 8260B AMW-14 11/3/2023 2-Chloro-1,3-Butadiene <5 ND 5 ug/L No 8260B AMW-14 11/3/2023 Tetrachloroethene <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 cis-1,2-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 1,1-Dichloropropene <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 2-Hexanone <10 ND 10 ug/L No 8260B AMW-14 11/3/2023 2,2-Dichloropropane <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Xylenes, Total <1 ND 1 ug/L No 8260B AMW-14 11/3/2023 MTBE <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Carbonate <2.5 ND 2.5 mg/L No 310.1 AMW-14 11/3/2023 Sodium, Dissolved 45 45 1 mg/L Yes 6010B AMW-14 11/3/2023 Nitrogen, Nitrate 2.8 2.8 0.1 mg/L Yes 300 AMW-14 11/3/2023 Strontium 530 530 10 ug/L Yes 6010B AMW-14 11/3/2023 Sulfate 32 32 1 mg/L Yes 300 AMW-14 11/3/2023 Solids, Total Dissolved 390 A10 390 20 mg/L Yes 160.1 AMW-14 11/3/2023 Carbon tetrachloride <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Ethanol <250 ND 250 ug/L No 8260B AMW-14 11/3/2023 Acetone <10 ND 10 ug/L No 8260B AMW-14 11/3/2023 Chloroform <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Chloromethane <0.5 ND 0.5 ug/L No 8260B AMW-14 11/3/2023 Methyl Iodide <2 ND 2 ug/L No 8260B Page 137 of 971