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Appendix D. Cumulative Historical Data for the Past Year <br />Sample ID <br />Sample Date <br />Parameter <br />Result <br />Lab Result I Lab <br />Limit Lab Unit <br />Detect <br />Method <br />EW -311 <br />5/4/2022 <br />1,2-Dibromoethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />Dibromomethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -313 <br />5/4/2022 <br />1,2 -Dichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />1,3 -Dichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />1,4 -Dichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />Dichlorodifluoromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />1,1-Dichloroethane <br />0.211 <br />0.21 <br />0.5 ug/L <br />Yes <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />1,2-Dichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />1,1-Dichloroethene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />cis-1,2-Dichloroethene <br />0.261 <br />0.26 <br />0.5 ug/L <br />Yes <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />trans-1,2-Dichloroethene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />1,2-Dichloropropane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />cis-1,3-Dichloropropene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />trans-1,3-Dichloropropene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />Ethylbenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />Hexachlorobutadiene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 Methylene Chloride <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 MTBE <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />Naphthalene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />Styrene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 826013 <br />EW -311 <br />5/4/2022 <br />1,1,1,2 -Tetrachloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />1,1,2,2 -Tetrachloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />Tetrachloroethene <br />0.81 0.81 <br />0.5 ug/L <br />Yes <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />Toluene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />1,2,4-Trichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />1,1,1 -Trichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />1,1,2 -Trichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />Trichloroethene <br />0.291 <br />0.29 <br />0.5 ug/L <br />Yes <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />Trichlorofluoromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />1,2,3-Trichloropropane <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />Vinyl Chloride <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />Xylenes, Total <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />Acetone <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />Acrylonitrile <br /><5 <br />5 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />Te rt -Amyl -M ethyl Ether <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />1,1-Dimethylethanol <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />Carbon Disulfide <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />Trans-1,4-Dichloro-2-Butene <br /><5 <br />5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />Diisopropyl Ether <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />Ethanol <br /><250 <br />250 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />Ethyl -t -Butyl Ether <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />2-Hexanone <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 2-Butanone <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 Methyl Iodide <br /><2 <br />2 ug/L <br />No <br />EPA 8260B <br />EW -3R <br />5/4/2022 <br />4-Methyl-2-Pentanone <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />5/4/2022 <br />Vinyl acetate <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />EW -311 <br />9/7/2022 <br />Vinyl acetate <br /><10 <br />10 ug/L <br />No <br />8260B <br />EW -3R <br />9/7/2022 <br />4-Methyl-2-Pentanone <br /><10 <br />10 ug/L <br />No <br />8260B <br />EW -311 <br />9/7/2022 Methyl Iodide <br /><2 <br />2 ug/L <br />No <br />8260B <br />EW -311 <br />9/7/2022 <br />2-Butanone <br /><10 <br />10 ug/L <br />No <br />8260B <br />EW -311 <br />9/7/2022 2-Hexanone <br /><10 <br />10 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />Ethyl -t -Butyl Ether <br /><0.5 <br />0.5 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />Ethanol <br /><250 <br />250 ug/L <br />No <br />82606 <br />EW -3R <br />9/7/2022 <br />Diisopropyl Ether <br /><0.5 <br />0.5 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />Trans-1,4-Dichloro-2-Butene <br /><5 <br />5 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />Acetone <br /><10 <br />10 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />Xylenes, Total <br /><1 <br />1 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />Vinyl Chloride <br /><0.5 <br />0.5 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />1,2,3-Trichloropropane <br /><1 <br />1 ug/L <br />No <br />82608 <br />EW -3R <br />9/7/2022 <br />Trichlorofluoromethane <br /><0.5 <br />0.5 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />Trichloroethene <br />0.451 <br />0.45 <br />0.5 ug/L <br />Yes <br />82608 <br />EW -311 <br />9/7/2022 <br />Acrylonitrile <br /><5 <br />5 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />1,1,2 -Trichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />1,2,4-Trichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />Toluene <br /><0.5 <br />0.5 ug/L <br />No <br />8260B <br />EW -3R <br />9/7/2022 <br />Tetrachloroethene <br />1.1 1.1 <br />0.5 ug/L <br />Yes <br />8260B <br />EW -311 <br />9/7/2022 <br />1,1,2,2 -Tetrachloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />826013 <br />EW -311 <br />9/7/2022 <br />1,1,1,2 -Tetrachloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />8260B <br />EW -311 <br />9/7/2022 <br />Styrene <br /><0.5 <br />0.5 ug/L <br />No <br />8260B <br />EW -311 <br />9/7/2022 <br />1,1,1 -Trichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />Tert-Amyl-Methyl Ether <br /><0.5 <br />0.5 ug/L <br />No <br />82608 <br />EW -3R <br />9/7/2022 <br />1,1-Dimethylethanol <br /><10 <br />10 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />Carbon Disulfide <br /><1 <br />1 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 MTBE <br /><0.5 <br />0.5 ug/L <br />No <br />82608 <br />EW -311 <br />9/7/2022 <br />Hexachlorobutadiene <br /><0.5 <br />0.5 ug/L <br />No <br />18260B <br />EW -3R <br />9/7/2022 <br />Naphthalene <br /><0.5 <br />0.5 ug/L <br />No <br />8260B <br />EW -311 <br />9/7/2022 Methylene Chloride <br /><1 <br />1 ug/L <br />No <br />18260B <br />EW -3R <br />9/7/2022 <br />Benzene <br /><0.5 <br />0.5 ug/L <br />No <br />18260B <br />Page 379 of 527 <br />