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 7898 AUSTIN RD 5/15/2023 Dieldrin <3 3 ug/L No 8270C 7898 AUSTIN RD 5/15/2023 Diethylphthalate <2 2 ug/L No 8270C 7898 AUSTIN RD 5/15/2023 Dimethylphthalate <2 2 ug/L No 8270C 7898 AUSTIN RD 5/15/2023 Di-n-butylphthalate <2 2 ug/L No 8270C 7898 AUSTIN RD 5/15/2023 2,4-Dinitrotoluene <2 2 ug/L No 8270C 7898 AUSTIN RD 5/15/2023 2,6-Dinitrotoluene <2 2 ug/L No 8270C 7898 AUSTIN RD 5/15/2023 O,O,O-Triethylphosphorothioate <10 10 ug/L No 8270C 7898 AUSTIN RD 5/15/2023 Sym-Trinitrobenzene <10 10 ug/L No 8270C 7898 AUSTIN RD 5/15/2023 Calcium, Dissolved 86 86 0.1 mg/L Yes 6010B 7898 AUSTIN RD 5/15/2023 Magnesium, Dissolved 43 43 0.05 mg/L Yes 6010B 7898 AUSTIN RD 5/15/2023 Sodium, Dissolved 42 42 1 mg/L Yes 6010B 7898 AUSTIN RD 5/15/2023 Potassium, Dissolved 8.1 8.1 1 mg/L Yes 6010B 7898 AUSTIN RD 5/15/2023 Bicarbonate 320 320 5 mg/L Yes 310.1 7898 AUSTIN RD 5/15/2023 Carbonate <2.5 2.5 mg/L No 310.1 7898 AUSTIN RD 5/15/2023 Chloride 77 77 0.5 mg/L Yes 300 7898 AUSTIN RD 5/15/2023 Nitrogen, Nitrate 10 10 0.1 mg/L Yes 300 7898 AUSTIN RD 5/15/2023 Sulfate 60 60 1 mg/L Yes 300 7898 AUSTIN RD 5/15/2023 Solids, Total Dissolved 640 A10 640 33 mg/L Yes 160.1 7898 AUSTIN RD 5/15/2023 Cyanide, Dissolved <0.005 0.005 mg/L No 335.4 7898 AUSTIN RD 5/15/2023 Sulfide, Dissolved <0.1 0.1 mg/L No 4500-S D 7898 AUSTIN RD 5/15/2023 Total Organic Carbon 0.51 J 0.51 1 mg/L Yes 5310C 7898 AUSTIN RD 5/15/2023 Chemical Oxygen Demand <25 25 mg O2/L No 410.4 7898 AUSTIN RD 5/15/2023 Aluminum, Total <50 50 ug/L No 6010B 7898 AUSTIN RD 5/15/2023 Antimony, Dissolved <100 100 ug/L No 6010B 7898 AUSTIN RD 5/15/2023 Arsenic, Dissolved 2.4 2.4 2 ug/L Yes 200.8 7898 AUSTIN RD 5/15/2023 Chromium, Hexavalent 3.4 3.4 2 ug/L Yes 7196 7898 AUSTIN RD 5/15/2023 Barium, Dissolved 280 280 10 ug/L Yes 6010B 7898 AUSTIN RD 5/15/2023 Beryllium, Dissolved <10 10 ug/L No 6010B 7898 AUSTIN RD 5/15/2023 Cadmium, Dissolved <10 10 ug/L No 6010B 7898 AUSTIN RD 5/15/2023 Chromium, Dissolved 2.1 J 2.1 10 ug/L Yes 6010B 7898 AUSTIN RD 5/15/2023 Cobalt, Dissolved <50 50 ug/L No 6010B 7898 AUSTIN RD 5/15/2023 Copper, Dissolved <10 10 ug/L No 6010B 7898 AUSTIN RD 5/15/2023 Iron, Dissolved <50 50 ug/L No 6010B 7898 AUSTIN RD 5/15/2023 Lead, Dissolved <50 50 ug/L No 6010B 7898 AUSTIN RD 5/15/2023 Manganese, Dissolved <10 10 ug/L No 6010B 7898 AUSTIN RD 5/15/2023 Mercury, Dissolved <0.2 0.2 ug/L No 7470A 7898 AUSTIN RD 5/15/2023 Nickel, Dissolved <10 10 ug/L No 6010B 7898 AUSTIN RD 5/15/2023 Selenium, Dissolved 2.2 2.2 2 ug/L Yes 200.8 7898 AUSTIN RD 5/15/2023 Silver, Dissolved <10 10 ug/L No 6010B 7898 AUSTIN RD 5/15/2023 Strontium 930 930 10 ug/L Yes 6010B 7898 AUSTIN RD 5/15/2023 Thallium, Dissolved <1 1 ug/L No 200.8 7898 AUSTIN RD 5/15/2023 Tin, Dissolved <1 1 ug/L No 200.8 7898 AUSTIN RD 5/15/2023 Vanadium, Dissolved 19 19 10 ug/L Yes 6010B 7898 AUSTIN RD 5/15/2023 Zinc, Dissolved 14 14 10 ug/L Yes 6010B 7898 AUSTIN RD 8/1/2023 Carbon tetrachloride ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Ethanol ND(250)ND 250 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Acetone ND(10)ND 10 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Chloroform ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Chloroform ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Benzene ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 1,1,1-Trichloroethane ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Carbon tetrachloride ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Ethanol ND(250)ND 250 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Acetone ND(10)ND 10 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Benzene ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Bromomethane ND(1)ND 1 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Chloromethane ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Methyl Iodide ND(2)ND 2 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Dibromomethane ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 1,1,1-Trichloroethane ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Bromomethane ND(1)ND 1 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Chloromethane ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Methyl Iodide ND(2)ND 2 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Dibromomethane ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Bromochloromethane ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Bromochloromethane ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Chloroethane ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Vinyl Chloride ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Acetonitrile ND(10)ND 10 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Methylene Chloride ND(1)ND 1 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Carbon Disulfide ND(1)ND 1 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Chloroethane ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Vinyl Chloride ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Methylene Chloride ND(1)ND 1 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Carbon Disulfide ND(1)ND 1 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Bromoform ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 Bromodichloromethane ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 1,1-Dichloroethane ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 1,1-Dichloroethene ND(0.5)ND 0.5 ug/L No 8260B 7898 AUSTIN RD 9/13/2023 tert-Butyl Alcohol ND(10)ND 10 ug/L No 8260B 7898 AUSTIN RD 8/1/2023 Bromoform ND(0.5)ND 0.5 ug/L No 8260B Page 38 of 971