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-51M 5/19/2023 PCB-1242 <50 50 ug/L No 8270C AMW-51M 5/19/2023 PCB-1254 <50 50 ug/L No 8270C AMW-51M 5/19/2023 PCB-1221 <50 50 ug/L No 8270C AMW-51M 5/19/2023 PCB-1232 <50 50 ug/L No 8270C AMW-51M 5/19/2023 PCB-1016 <50 50 ug/L No 8270C AMW-51M 5/19/2023 PCB-1248 <50 50 ug/L No 8270C AMW-51M 5/19/2023 Total PCB <50 50 ug/L No 8270C AMW-51M 5/19/2023 Pronamide <10 10 ug/L No 8270C AMW-51M 5/19/2023 Pyridine <10 10 ug/L No 8270C AMW-51M 5/19/2023 Safrole <10 10 ug/L No 8270C AMW-51M 5/19/2023 Tetrachlorobenzenes <10 10 ug/L No 8270C AMW-51M 5/19/2023 2,3,4,6-Tetrachlorophenol <10 10 ug/L No 8270C AMW-51M 5/19/2023 Toxaphene <100 100 ug/L No 8270C AMW-51M 5/19/2023 O,O,O-Triethylphosphorothioate <10 10 ug/L No 8270C AMW-51M 5/19/2023 Sym-Trinitrobenzene <10 10 ug/L No 8270C AMW-51M 5/19/2023 Calcium, Dissolved 96 96 0.1 mg/L Yes 6010B AMW-51M 5/19/2023 Magnesium, Dissolved 34 34 0.05 mg/L Yes 6010B AMW-51M 5/19/2023 Sodium, Dissolved 50 50 1 mg/L Yes 6010B AMW-51M 5/19/2023 Potassium, Dissolved 8.5 8.5 1 mg/L Yes 6010B AMW-51M 5/19/2023 Bicarbonate 430 430 5 mg/L Yes 310.1 AMW-51M 5/19/2023 Carbonate <2.5 2.5 mg/L No 310.1 AMW-51M 5/19/2023 Chloride 31 31 0.5 mg/L Yes 300 AMW-51M 5/19/2023 Nitrogen, Nitrate 4.6 4.6 0.1 mg/L Yes 300 AMW-51M 5/19/2023 Sulfate 38 38 1 mg/L Yes 300 AMW-51M 5/19/2023 Solids, Total Dissolved 580 A10 580 33 mg/L Yes 160.1 AMW-51M 5/19/2023 Cyanide, Dissolved <0.005 0.005 mg/L No 335.4 AMW-51M 5/19/2023 Sulfide, Dissolved <0.1 0.1 mg/L No 4500-S D AMW-51M 5/19/2023 Total Organic Carbon 0.9 J 0.9 1 mg/L Yes 5310C AMW-51M 5/19/2023 Chemical Oxygen Demand <25 25 mg O2/L No 410.4 AMW-51M 5/19/2023 Aluminum, Total <50 50 ug/L No 6010B AMW-51M 5/19/2023 Antimony, Dissolved 9.2 J 9.2 100 ug/L Yes 6010B AMW-51M 5/19/2023 Arsenic, Dissolved 3 3 2 ug/L Yes 200.8 AMW-51M 5/19/2023 Chromium, Hexavalent 2.4 2.4 2 ug/L Yes 7196 AMW-51M 5/19/2023 Barium, Dissolved 270 270 10 ug/L Yes 6010B AMW-51M 5/19/2023 Beryllium, Dissolved <10 10 ug/L No 6010B AMW-51M 5/19/2023 Cadmium, Dissolved <10 10 ug/L No 6010B AMW-51M 5/19/2023 Chromium, Dissolved 2.2 J 2.2 10 ug/L Yes 6010B AMW-51M 5/19/2023 Cobalt, Dissolved <50 50 ug/L No 6010B AMW-51M 5/19/2023 Copper, Dissolved <10 10 ug/L No 6010B AMW-51M 5/19/2023 Iron, Dissolved <50 50 ug/L No 6010B AMW-51M 5/19/2023 Lead, Dissolved 8.7 J 8.7 50 ug/L Yes 6010B AMW-51M 5/19/2023 Manganese, Dissolved 13 13 10 ug/L Yes 6010B AMW-51M 5/19/2023 Mercury, Dissolved 0.11 J 0.11 0.2 ug/L Yes 7470A AMW-51M 5/19/2023 Nickel, Dissolved <10 10 ug/L No 6010B AMW-51M 5/19/2023 Selenium, Dissolved <2 2 ug/L No 200.8 AMW-51M 5/19/2023 Silver, Dissolved 1.4 J 1.4 10 ug/L Yes 6010B AMW-51M 5/19/2023 Strontium 710 710 10 ug/L Yes 6010B AMW-51M 5/19/2023 Thallium, Dissolved <1 1 ug/L No 200.8 AMW-51M 5/19/2023 Tin, Dissolved <1 1 ug/L No 200.8 AMW-51M 5/19/2023 Vanadium, Dissolved 15 15 10 ug/L Yes 6010B AMW-51M 5/19/2023 Zinc, Dissolved <10 10 ug/L No 6010B AMW-51M 8/4/2023 Carbon tetrachloride 0.37 0.37 0.5 ug/L Yes 8260B AMW-51M 8/4/2023 Ethanol ND(250)ND 250 ug/L No 8260B AMW-51M 8/4/2023 Acetone ND(10)ND 10 ug/L No 8260B AMW-51M 8/4/2023 Chloroform 0.14 0.14 0.5 ug/L Yes 8260B AMW-51M 8/4/2023 Benzene ND(0.5)ND 0.5 ug/L No 8260B AMW-51M 8/4/2023 1,1,1-Trichloroethane ND(0.5)ND 0.5 ug/L No 8260B AMW-51M 8/4/2023 Bromomethane ND(1)ND 1 ug/L No 8260B AMW-51M 8/4/2023 Chloromethane ND(0.5)ND 0.5 ug/L No 8260B AMW-51M 8/4/2023 Methyl Iodide ND(2)ND 2 ug/L No 8260B AMW-51M 8/4/2023 Dibromomethane ND(0.5)ND 0.5 ug/L No 8260B AMW-51M 8/4/2023 Methylene Chloride ND(1)ND 1 ug/L No 8260B AMW-51M 8/4/2023 Carbon Disulfide ND(1)ND 1 ug/L No 8260B AMW-51M 8/4/2023 Bromochloromethane ND(0.5)ND 0.5 ug/L No 8260B AMW-51M 8/4/2023 Chloroethane ND(0.5)ND 0.5 ug/L No 8260B AMW-51M 8/4/2023 Vinyl Chloride ND(0.5)ND 0.5 ug/L No 8260B AMW-51M 8/4/2023 Acetonitrile ND(10)ND 10 ug/L No 8260B AMW-51M 8/4/2023 Bromoform ND(0.5)ND 0.5 ug/L No 8260B AMW-51M 8/4/2023 Bromodichloromethane ND(0.5)ND 0.5 ug/L No 8260B AMW-51M 8/4/2023 1,1-Dichloroethane 0.84 0.84 0.5 ug/L Yes 8260B AMW-51M 8/4/2023 1,1-Dichloroethene ND(0.5)ND 0.5 ug/L No 8260B AMW-51M 8/4/2023 tert-Butyl Alcohol ND(10)ND 10 ug/L No 8260B AMW-51M 8/4/2023 Trichlorofluoromethane 0.17 0.17 0.5 ug/L Yes 8260B Page 556 of 926