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 AFU-04E SUMP 11/8/2023 1,1,2-Trichloroethane <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 Trichloroethene <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 Hexachlorobutadiene <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 Naphthalene 16 16 0.5 ug/L Yes 8260B AFU-04E SUMP 11/8/2023 1,2-Dibromo-3-Chloropropane <1 ND 1 ug/L No 8260B AFU-04E SUMP 11/8/2023 1,2,3-Trichloropropane <1 ND 1 ug/L No 8260B AFU-04E SUMP 11/8/2023 Styrene <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 1,2-Dibromoethane <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 Acrolein <10 ND 10 ug/L No 8260B AFU-04E SUMP 11/8/2023 1,2-Dichloroethane <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 Vinyl acetate <10 ND 10 ug/L No 8260B AFU-04E SUMP 11/8/2023 4-Methyl-2-Pentanone <10 ND 10 ug/L No 8260B AFU-04E SUMP 11/8/2023 Toluene 0.92 0.92 0.5 ug/L Yes 8260B AFU-04E SUMP 11/8/2023 1,2,4-Trichlorobenzene <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 Dibromochloromethane <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 2-Chloro-1,3-Butadiene <5 ND 5 ug/L No 8260B AFU-04E SUMP 11/8/2023 trans-1,2-Dichloroethene <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 1,3-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 2,2-Dichloropropane <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 Ethyl-t-Butyl Ether <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 Tert-Amyl-Methyl Ether <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 trans-1,3-Dichloropropene <0.5 ND 0.5 ug/L No 8260B AFU-04E SUMP 11/8/2023 Chloride 10/1/2000 2000 5 mg/L Yes 300 AFU-04E SUMP 11/8/2023 Chromium, Hexavalent <0.2 S05 ND 0.2 ug/L No 218.6 AFU-04E SUMP 11/8/2023 Calcium, Dissolved 170 A10 170 1 mg/L Yes 6010B AFU-04E SUMP 11/8/2023 Copper, Dissolved <100 A10 ND 100 ug/L No 6010B AFU-04E SUMP 11/8/2023 Iron, Dissolved 1300 A10 1300 500 ug/L Yes 6010B AFU-04E SUMP 11/8/2023 Mercury, Dissolved 0.046 J 0.046 0.2 ug/L Yes 7470A AFU-04E SUMP 11/8/2023 Potassium, Dissolved 41 A10 41 10 mg/L Yes 6010B AFU-04E SUMP 11/8/2023 Magnesium, Dissolved 170 A10 170 0.5 mg/L Yes 6010B AFU-04E SUMP 11/8/2023 Manganese, Dissolved 1300 A10 1300 100 ug/L Yes 6010B AFU-04E SUMP 11/8/2023 Nickel, Dissolved 180 A10 180 100 ug/L Yes 6010B AFU-04E SUMP 11/8/2023 Lead, Dissolved <500 A10 ND 500 ug/L No 6010B AFU-04E SUMP 11/8/2023 Antimony, Dissolved <1000 A10 ND 1,000 ug/L No 6010B AFU-04E SUMP 11/8/2023 Bicarbonate 10/1/3400 3400 10 mg/L Yes 310.1 AFU-04E SUMP 11/8/2023 Sulfide, Dissolved <0.1 ND 0.1 mg/L No 4500-S D AFU-04W SUMP 11/17/2022 pH 6.7 6.7 std units Yes GENERAL AFU-04W SUMP 2/6/2023 Carbon tetrachloride ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 Ethanol ND(250)ug/L 250 No 8260B AFU-04W SUMP 2/6/2023 Chloroform ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 Benzene 10 ug/L 10 0.5 Yes 8260B AFU-04W SUMP 2/6/2023 Acetone ND(10)ug/L 10 No 8260B AFU-04W SUMP 2/6/2023 1,1,1-Trichloroethane ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 Bromomethane ND(1)ug/L 1 No 8260B AFU-04W SUMP 2/6/2023 Chloromethane ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 Methyl Iodide ND(2)ug/L 2 No 8260B AFU-04W SUMP 2/6/2023 Dibromomethane ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 Bromochloromethane ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 Vinyl Chloride ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 Acetonitrile ND(10)ug/L 10 No 8260B AFU-04W SUMP 2/6/2023 Chloroethane ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 Methylene Chloride ND(1)ug/L 1 No 8260B AFU-04W SUMP 2/6/2023 Carbon Disulfide ND(1)ug/L 1 No 8260B AFU-04W SUMP 2/6/2023 Bromoform ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 1,1-Dichloroethane ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 1,1-Dichloroethene ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 tert-Butyl Alcohol 2100 ug/L 2100 20 Yes 8260B AFU-04W SUMP 2/6/2023 Trichlorofluoromethane ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 Bromodichloromethane ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 Dichlorodifluoromethane ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 2-Butanone ND(10)ug/L 10 No 8260B AFU-04W SUMP 2/6/2023 Trichloroethene ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 Isobutyl Alcohol ND(20)ug/L 20 No 8260B AFU-04W SUMP 2/6/2023 1,2-Dichloropropane 0.48 ug/L 0.48 0.5 Yes 8260B AFU-04W SUMP 2/6/2023 1,1,2-Trichloroethane ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 1,1,2,2-Tetrachloroethane ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 Hexachlorobutadiene ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 1,2-Dichlorobenzene ND(0.5)ug/L 0.5 No 8260B AFU-04W SUMP 2/6/2023 Naphthalene 12 ug/L 12 0.5 Yes 8260B AFU-04W SUMP 2/6/2023 1,2-Dibromo-3-Chloropropane ND(1)ug/L 1 No 8260B AFU-04W SUMP 2/6/2023 1,2,3-Trichloropropane ND(1)ug/L 1 No 8260B AFU-04W SUMP 2/6/2023 Ethyl Methacrylate ND(4)ug/L 4 No 8260B AFU-04W SUMP 2/6/2023 Ethylbenzene 3.6 ug/L 3.6 0.5 Yes 8260B Page 57 of 926