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 LY-BG-1 2/7/2023 4-Methyl-2-Pentanone ND(10)ug/L 10 No 8260B LY-BG-1 2/7/2023 Vinyl acetate ND(10)ug/L 10 No 8260B LY-BG-1 2/7/2023 Chlorobenzene ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 Trans-1,4-Dichloro-2-Butene ND(5)ug/L 5 No 8260B LY-BG-1 2/7/2023 1,2,4-Trichlorobenzene ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 Dibromochloromethane ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 Diisopropyl Ether ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 Toluene ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 2-Chloro-1,3-Butadiene ND(5)ug/L 5 No 8260B LY-BG-1 2/7/2023 Methacrylonitrile ND(10)ug/L 10 No 8260B LY-BG-1 2/7/2023 Tetrachloroethene ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 cis-1,2-Dichloroethene ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 trans-1,2-Dichloroethene ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 1,3-Dichlorobenzene ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 1,1-Dichloropropene ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 Ethyl-t-Butyl Ether ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 2-Hexanone ND(10)ug/L 10 No 8260B LY-BG-1 2/7/2023 2,2-Dichloropropane ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 1,1,1,2-Tetrachloroethane ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 Tert-Amyl-Methyl Ether ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 Xylenes, Total ND(1)ug/L 1 No 8260B LY-BG-1 2/7/2023 MTBE ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 cis-1,3-Dichloropropene ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 trans-1,3-Dichloropropene ND(0.5)ug/L 0.5 No 8260B LY-BG-1 2/7/2023 Chloride 45 mg/L 45 0.5 Yes EPA 300.0 LY-BG-1 2/7/2023 Carbonate ND(5)mg/L 5 No EPA 310.1 LY-BG-1 2/7/2023 Calcium, Dissolved 120 mg/L 120 0.1 Yes EPA 6010B LY-BG-1 2/7/2023 Potassium, Dissolved 6.6 mg/L 6.6 1 Yes EPA 6010B LY-BG-1 2/7/2023 Magnesium, Dissolved 43 mg/L 43 0.05 Yes EPA 6010B LY-BG-1 2/7/2023 Sodium, Dissolved 77 mg/L 77 1 Yes EPA 6010B LY-BG-1 2/7/2023 Sulfate 40 mg/L 40 1 Yes EPA 300.0 LY-BG-1 2/7/2023 Bicarbonate 600 mg/L 600 10 Yes EPA 310.1 LY-BG-1 2/7/2023 Nitrogen, Nitrate 5.7 mg/L 5.7 0.1 Yes EPA 300.0 LY-BG-1 2/7/2023 Solids, Total Dissolved 720 mg/L 720 33 Yes EPA 160.1 LY-BG-1 5/18/2023 Methylene Chloride <1 1 ug/L No 8260B LY-BG-1 5/18/2023 MTBE <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 Naphthalene <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 Styrene <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 1,1,1,2-Tetrachloroethane <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 1,1,2,2-Tetrachloroethane <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 Tetrachloroethene <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 Toluene <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 1,2,4-Trichlorobenzene <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 1,1,1-Trichloroethane <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 1,1,2-Trichloroethane <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 Trichloroethene <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 Trichlorofluoromethane <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 1,2,3-Trichloropropane <1 1 ug/L No 8260B LY-BG-1 5/18/2023 1,2,4-Trimethylbenzene <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 Vinyl Chloride <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 Xylenes, Total <1 1 ug/L No 8260B LY-BG-1 5/18/2023 Acetone <10 10 ug/L No 8260B LY-BG-1 5/18/2023 Acrylonitrile <5 5 ug/L No 8260B LY-BG-1 5/18/2023 Tert-Amyl-Methyl Ether <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 tert-Butyl Alcohol <10 10 ug/L No 8260B LY-BG-1 5/18/2023 Carbon Disulfide <1 1 ug/L No 8260B LY-BG-1 5/18/2023 Trans-1,4-Dichloro-2-Butene <5 5 ug/L No 8260B LY-BG-1 5/18/2023 Diisopropyl Ether <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 Ethanol <250 250 ug/L No 8260B LY-BG-1 5/18/2023 Ethyl-t-Butyl Ether <0.5 0.5 ug/L No 8260B LY-BG-1 5/18/2023 2-Hexanone <10 10 ug/L No 8260B LY-BG-1 5/18/2023 2-Butanone <10 10 ug/L No 8260B LY-BG-1 5/18/2023 Methyl Iodide <2 2 ug/L No 8260B LY-BG-1 5/18/2023 4-Methyl-2-Pentanone <10 10 ug/L No 8260B LY-BG-1 5/18/2023 Vinyl acetate <10 10 ug/L No 8260B LY-BG-1 5/18/2023 Calcium, Dissolved 83 83 0.1 mg/L Yes 6010B LY-BG-1 5/18/2023 Magnesium, Dissolved 33 33 0.05 mg/L Yes 6010B LY-BG-1 5/18/2023 Sodium, Dissolved 55 55 1 mg/L Yes 6010B LY-BG-1 5/18/2023 Potassium, Dissolved 9.6 9.6 1 mg/L Yes 6010B LY-BG-1 5/18/2023 Bicarbonate 490 490 5 mg/L Yes 310.1 LY-BG-1 5/18/2023 Carbonate 8.6 8.6 2.5 mg/L Yes 310.1 LY-BG-1 5/18/2023 Chloride 23 23 0.5 mg/L Yes 300 LY-BG-1 5/18/2023 Sulfate 32 32 1 mg/L Yes 300 Page 744 of 926