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-17 SUMP 5/17/2023 Arsenic, Dissolved 48 A10 48 10 ug/L Yes 200.8 AFU-17 SUMP 5/17/2023 Chromium, Hexavalent <20 A10 20 ug/L No 7196 AFU-17 SUMP 5/17/2023 Barium, Dissolved 5800 5800 10 ug/L Yes 6010B AFU-17 SUMP 5/17/2023 Beryllium, Dissolved 3.0 J,A10 3 20 ug/L Yes 6010B AFU-17 SUMP 5/17/2023 Cadmium, Dissolved 3.5 J,A10 3.5 20 ug/L Yes 6010B AFU-17 SUMP 5/17/2023 Chromium, Dissolved 63 A10 63 20 ug/L Yes 6010B AFU-17 SUMP 5/17/2023 Cobalt, Dissolved 22 J,A10 22 100 ug/L Yes 6010B AFU-17 SUMP 5/17/2023 Copper, Dissolved <20 A10 20 ug/L No 6010B AFU-17 SUMP 5/17/2023 Iron, Dissolved 3300 3300 50 ug/L Yes 6010B AFU-17 SUMP 5/17/2023 Lead, Dissolved 10 J 10 50 ug/L Yes 6010B AFU-17 SUMP 5/17/2023 Manganese, Dissolved 4700 4700 10 ug/L Yes 6010B AFU-17 SUMP 5/17/2023 Mercury, Dissolved <0.20 0.2 ug/L No 7470A AFU-17 SUMP 5/17/2023 Nickel, Dissolved 290 A10 290 20 ug/L Yes 6010B AFU-17 SUMP 5/17/2023 Selenium, Dissolved 27 A10 27 10 ug/L Yes 200.8 AFU-17 SUMP 5/17/2023 Silver, Dissolved 6.8 J 6.8 10 ug/L Yes 6010B AFU-17 SUMP 5/17/2023 Thallium, Dissolved <5.0 A10 5 ug/L No 200.8 AFU-17 SUMP 5/17/2023 Tin, Dissolved 11 A10 11 5 ug/L Yes 200.8 AFU-17 SUMP 5/17/2023 Vanadium, Dissolved 52 A10 52 20 ug/L Yes 6010B AFU-17 SUMP 5/17/2023 Zinc, Dissolved <20 A10 20 ug/L No 6010B AFU-17 SUMP 8/10/2023 Ethanol ND(250)ND 250 ug/L No 8260B AFU-17 SUMP 8/10/2023 Benzene 11 11 0.5 ug/L Yes 8260B AFU-17 SUMP 8/10/2023 Carbon tetrachloride ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Acetone 59 59 10 ug/L Yes 8260B AFU-17 SUMP 8/10/2023 Chloroform ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Bromomethane ND(1)ND 1 ug/L No 8260B AFU-17 SUMP 8/10/2023 1,1,1-Trichloroethane ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Chloromethane ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Methyl Iodide ND(2)ND 2 ug/L No 8260B AFU-17 SUMP 8/10/2023 Dibromomethane ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Bromochloromethane ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Chloroethane ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Acetonitrile ND(10)ND 10 ug/L No 8260B AFU-17 SUMP 8/10/2023 Carbon Disulfide 0.47 0.47 1 ug/L Yes 8260B AFU-17 SUMP 8/10/2023 Vinyl Chloride ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Methylene Chloride ND(1)ND 1 ug/L No 8260B AFU-17 SUMP 8/10/2023 Bromodichloromethane ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 1,1-Dichloroethene ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Bromoform ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 1,1-Dichloroethane ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 tert-Butyl Alcohol 3200 3200 100 ug/L Yes 8260B AFU-17 SUMP 8/10/2023 Trichlorofluoromethane ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 2-Butanone ND(10)ND 10 ug/L No 8260B AFU-17 SUMP 8/10/2023 Dichlorodifluoromethane ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Isobutyl Alcohol ND(20)ND 20 ug/L No 8260B AFU-17 SUMP 8/10/2023 1,2-Dichloropropane 1.5 1.5 0.5 ug/L Yes 8260B AFU-17 SUMP 8/10/2023 1,1,2-Trichloroethane ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Trichloroethene 0.23 0.23 0.5 ug/L Yes 8260B AFU-17 SUMP 8/10/2023 Hexachlorobutadiene ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Naphthalene 61 61 0.5 ug/L Yes 8260B AFU-17 SUMP 8/10/2023 1,2-Dichlorobenzene ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 1,1,2,2-Tetrachloroethane ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 1,2-Dibromo-3-Chloropropane ND(1)ND 1 ug/L No 8260B AFU-17 SUMP 8/10/2023 Ethyl Methacrylate ND(4)ND 4 ug/L No 8260B AFU-17 SUMP 8/10/2023 Ethylbenzene 19 19 0.5 ug/L Yes 8260B AFU-17 SUMP 8/10/2023 1,4-Dichlorobenzene 4.1 4.1 0.5 ug/L Yes 8260B AFU-17 SUMP 8/10/2023 1,2,3-Trichloropropane ND(1)ND 1 ug/L No 8260B AFU-17 SUMP 8/10/2023 Styrene ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 1,2-Dibromoethane ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Acrolein ND(10)ND 10 ug/L No 8260B AFU-17 SUMP 8/10/2023 Allyl Chloride ND(5)ND 5 ug/L No 8260B AFU-17 SUMP 8/10/2023 1,2-Dichloroethane 1.8 1.8 0.5 ug/L Yes 8260B AFU-17 SUMP 8/10/2023 Propionitrile ND(20)ND 20 ug/L No 8260B AFU-17 SUMP 8/10/2023 Acrylonitrile ND(5)ND 5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Vinyl acetate ND(10)ND 10 ug/L No 8260B AFU-17 SUMP 8/10/2023 4-Methyl-2-Pentanone 6.7 6.7 10 ug/L Yes 8260B AFU-17 SUMP 8/10/2023 Diisopropyl Ether ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Toluene ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Chlorobenzene ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 1,2,4-Trichlorobenzene ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Dibromochloromethane ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Tetrachloroethene ND(0.5)ND 0.5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Trans-1,4-Dichloro-2-Butene ND(5)ND 5 ug/L No 8260B AFU-17 SUMP 8/10/2023 Methacrylonitrile ND(10)ND 10 ug/L No 8260B Page 83 of 926