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-Ponds 12/8/2023 Dibromochloromethane <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Methacrylonitrile <10 ND 10 ug/L No 8260B LY-Ponds 12/8/2023 trans-1,2-Dichloroethene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 1,3-Dichlorobenzene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 1,1-Dichloropropene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 1,1,1,2-Tetrachloroethane <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Ethyl-t-Butyl Ether <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Tert-Amyl-Methyl Ether <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 trans-1,3-Dichloropropene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Carbon tetrachloride <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Chloroform <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Benzene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 1,1,1-Trichloroethane <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Bromomethane <1 ND 1 ug/L No 8260B LY-Ponds 12/8/2023 Chloroethane <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Vinyl Chloride <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Bromodichloromethane <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 1,1-Dichloroethane <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 1,1-Dichloroethene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Isobutyl Alcohol <20 ND 20 ug/L No 8260B LY-Ponds 12/8/2023 1,2-Dichloropropane <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Hexachlorobutadiene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Naphthalene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Ethylbenzene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Styrene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 1,2-Dichloroethane <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Propionitrile <20 ND 20 ug/L No 8260B LY-Ponds 12/8/2023 Acrylonitrile <5 ND 5 ug/L No 8260B LY-Ponds 12/8/2023 Toluene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Chlorobenzene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Trans-1,4-Dichloro-2-Butene <5 ND 5 ug/L No 8260B LY-Ponds 12/8/2023 2-Chloro-1,3-Butadiene <5 ND 5 ug/L No 8260B LY-Ponds 12/8/2023 Tetrachloroethene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 cis-1,2-Dichloroethene <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 2-Hexanone <10 ND 10 ug/L No 8260B LY-Ponds 12/8/2023 2,2-Dichloropropane <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 Xylenes, Total <1 ND 1 ug/L No 8260B LY-Ponds 12/8/2023 MTBE <0.5 ND 0.5 ug/L No 8260B LY-Ponds 12/8/2023 cis-1,3-Dichloropropene <0.5 ND 0.5 ug/L No 8260B LY-W-2 11/11/2022 Benzene ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 Styrene ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 1,1,1,2-Tetrachloroethane ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 1,1,2,2-Tetrachloroethane ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 Tetrachloroethene ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 Toluene ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 1,2,4-Trichlorobenzene ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 1,1,1-Trichloroethane ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 1,1,2-Trichloroethane ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 Trichloroethene ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 Trichlorofluoromethane ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 1,2,3-Trichloropropane ND(1.0)1 ug/L No 8260B LY-W-2 11/11/2022 Vinyl Chloride ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 Naphthalene ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 Xylenes, Total ND(1.0)1 ug/L No 8260B LY-W-2 11/11/2022 Acrylonitrile ND(5.0)5 ug/L No 8260B LY-W-2 11/11/2022 Tert-Amyl-Methyl Ether ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 tert-Butyl Alcohol 21 21 10 ug/L Yes 8260B LY-W-2 11/11/2022 Carbon Disulfide ND(1.0)1 ug/L No 8260B LY-W-2 11/11/2022 Trans-1,4-Dichloro-2-Butene ND(5.0)5 ug/L No 8260B LY-W-2 11/11/2022 Diisopropyl Ether ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 Ethanol ND(250)250 ug/L No 8260B LY-W-2 11/11/2022 Ethyl-t-Butyl Ether ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 2-Hexanone ND(10)10 ug/L No 8260B LY-W-2 11/11/2022 2-Butanone ND(10)10 ug/L No 8260B LY-W-2 11/11/2022 Methyl Iodide ND(2.0)2 ug/L No 8260B LY-W-2 11/11/2022 4-Methyl-2-Pentanone ND(10)10 ug/L No 8260B LY-W-2 11/11/2022 Acetone ND(10)10 ug/L No 8260B LY-W-2 11/11/2022 MTBE ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 Vinyl acetate ND(10)10 ug/L No 8260B LY-W-2 11/11/2022 Hexachlorobutadiene ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 Methylene Chloride ND(1.0)1 ug/L No 8260B LY-W-2 11/11/2022 Bromochloromethane ND(0.50)0.5 ug/L No 8260B LY-W-2 11/11/2022 Bromodichloromethane ND(0.50)0.5 ug/L No 8260B Page 747 of 926