COMPLIANCE INFO_2024 Q1 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 EW-5 2/15/2024 Chlorobenzene 0.11 J ug/L 0.5 ug/L Yes 8260B EW-5 2/15/2024 1,4-Dichlorobenzene 0.23 J ug/L 0.5 ug/L Yes 8260B EW-5 2/15/2024 1,1-Dichloroethane 0.62 ug/L 0.5 ug/L Yes 8260B EW-5 2/15/2024 1,2-Dichloroethane 0.36 J ug/L 0.5 ug/L Yes 8260B EW-5 2/15/2024 cis-1,2-Dichloroethene 1.9 ug/L 0.5 ug/L Yes 8260B EW-5 2/15/2024 Tetrachloroethene 0.92 ug/L 0.5 ug/L Yes 8260B EW-5 2/15/2024 Trichloroethene 0.78 ug/L 0.5 ug/L Yes 8260B EW-5 2/15/2024 Benzene <0.50 ug/L 0.5 ug/L No 8260B EW-5 2/15/2024 Bromochloromethane <0.50 ug/L 0.5 ug/L No 8260B EW-5 2/15/2024 Bromodichloromethane <0.50 ug/L 0.5 ug/L No 8260B EW-5 2/15/2024 Bromoform <0.50 ug/L 0.5 ug/L No 8260B Field Blank 9/13/2023 Carbon tetrachloride ND(0.5)ND 0.5 ug/L No 8260B Field Blank 9/18/2023 Carbon tetrachloride ND(0.5)ND 0.5 ug/L No 8260B Field Blank 9/12/2023 Ethanol ND(250)ND 250 ug/L No 8260B Field Blank 8/30/2023 Ethanol ND(250)ND 250 ug/L No 8260B Field Blank 8/25/2023 Ethanol ND(250)ND 250 ug/L No 8260B Field Blank 8/10/2023 Ethanol ND(250)ND 250 ug/L No 8260B Field Blank 9/18/2023 Ethanol ND(250)ND 250 ug/L No 8260B Field Blank 8/8/2023 Acetone ND(10)ND 10 ug/L No 8260B Field Blank 9/18/2023 Acetone ND(10)ND 10 ug/L No 8260B Field Blank 9/18/2023 Chloroform ND(0.5)ND 0.5 ug/L No 8260B Field Blank 9/12/2023 Chloroform 0.21 0.21 0.5 ug/L Yes 8260B Field Blank 8/10/2023 Benzene ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/25/2023 Benzene ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/30/2023 Benzene ND(0.5)ND 0.5 ug/L No 8260B Field Blank 9/13/2023 Benzene ND(0.5)ND 0.5 ug/L No 8260B Field Blank 9/12/2023 Carbon tetrachloride ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/10/2023 Carbon tetrachloride ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/25/2023 Carbon tetrachloride ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/30/2023 Carbon tetrachloride ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/4/2023 Carbon tetrachloride ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/8/2023 Carbon tetrachloride ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/8/2023 Ethanol ND(250)ND 250 ug/L No 8260B Field Blank 8/4/2023 Ethanol ND(250)ND 250 ug/L No 8260B Field Blank 9/13/2023 Ethanol ND(250)ND 250 ug/L No 8260B Field Blank 8/4/2023 Acetone ND(10)ND 10 ug/L No 8260B Field Blank 9/12/2023 Acetone ND(10)ND 10 ug/L No 8260B Field Blank 8/10/2023 Acetone ND(10)ND 10 ug/L No 8260B Field Blank 8/25/2023 Acetone ND(10)ND 10 ug/L No 8260B Field Blank 8/30/2023 Acetone ND(10)ND 10 ug/L No 8260B Field Blank 9/13/2023 Acetone ND(10)ND 10 ug/L No 8260B Field Blank 9/13/2023 Chloroform 0.26 0.26 0.5 ug/L Yes 8260B Field Blank 8/30/2023 Chloroform ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/25/2023 Chloroform ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/10/2023 Chloroform ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/8/2023 Chloroform ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/4/2023 Chloroform ND(0.5)ND 0.5 ug/L No 8260B Field Blank 9/12/2023 Benzene ND(0.5)ND 0.5 ug/L No 8260B Field Blank 9/18/2023 Benzene ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/4/2023 Benzene ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/8/2023 Benzene ND(0.5)ND 0.5 ug/L No 8260B Field Blank 9/13/2023 1,1,1-Trichloroethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/30/2023 1,1,1-Trichloroethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/25/2023 1,1,1-Trichloroethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/10/2023 1,1,1-Trichloroethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/10/2023 Bromomethane ND(1)ND 1 ug/L No 8260B Field Blank 8/25/2023 Bromomethane ND(1)ND 1 ug/L No 8260B Field Blank 8/30/2023 Bromomethane ND(1)ND 1 ug/L No 8260B Field Blank 9/13/2023 Bromomethane ND(1)ND 1 ug/L No 8260B Field Blank 9/18/2023 Chloromethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 9/13/2023 Chloromethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/30/2023 Chloromethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/25/2023 Chloromethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/10/2023 Methyl Iodide ND(2)ND 2 ug/L No 8260B Field Blank 8/25/2023 Methyl Iodide ND(2)ND 2 ug/L No 8260B Field Blank 8/30/2023 Methyl Iodide ND(2)ND 2 ug/L No 8260B Field Blank 9/13/2023 Methyl Iodide ND(2)ND 2 ug/L No 8260B Field Blank 9/13/2023 Dibromomethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/30/2023 Dibromomethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/25/2023 Dibromomethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/10/2023 Dibromomethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/25/2023 Bromochloromethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/30/2023 Bromochloromethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 9/13/2023 Bromochloromethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/8/2023 1,1,1-Trichloroethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 8/4/2023 1,1,1-Trichloroethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 9/18/2023 1,1,1-Trichloroethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 9/12/2023 1,1,1-Trichloroethane ND(0.5)ND 0.5 ug/L No 8260B Field Blank 9/12/2023 Bromomethane ND(1)ND 1 ug/L No 8260B Field Blank 9/18/2023 Bromomethane ND(1)ND 1 ug/L No 8260B Field Blank 8/4/2023 Bromomethane ND(1)ND 1 ug/L No 8260B Page 741 of 971