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Appendix D. Cumulative Historical Data for the Past Year <br />Sample ID <br />Sample Date Parameter <br />Result <br />Lab Result I Lab Limit Lab Unit <br />Detect <br />Method <br />AMW-4 <br />2/3/2023 Barium, Dissolved <br />340 ug/L <br />340 <br />10 Yes <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Beryllium, Dissolved <br />1.2 ug/L <br />1.2 <br />10 Yes <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Iron, Dissolved <br />ND(50) <br />ug/L <br />50 No <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Mercury, Dissolved <br />ND(0.2) <br />ug/L <br />0.2 No <br />7470A <br />AMW-4 <br />2/3/2023 Potassium, Dissolved <br />4.1 mg/L <br />4.1 <br />1 Yes <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Magnesium, Dissolved <br />26 mg/L <br />26 <br />0.05 Yes <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Manganese, Dissolved <br />ND(10) <br />ug/L <br />10 No <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Antimony, Dissolved <br />13 ug/L <br />13 <br />100 Yes <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Selenium, Dissolved <br />ND(2) <br />ug/L <br />2 No <br />EPA 200.8 <br />AMW-4 <br />2/3/2023 Tin, Dissolved <br />ND(1) <br />ug/L <br />1 No <br />EPA 200.8 <br />AMW-4 <br />2/3/2023 Thallium, Dissolved <br />ND(1) <br />ug/L <br />1 No <br />EPA 200.8 <br />AMW-4 <br />2/3/2023 Vanadium, Dissolved <br />31 ug/L <br />31 <br />10 Yes <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Zinc, Dissolved <br />11 ug/L <br />11 <br />10 Yes <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Nitrogen, Nitrate <br />0.8 mg/L <br />0.8 <br />0.1 Yes <br />EPA 300.0 <br />AMW-4 <br />2/3/2023 Strontium <br />610 ug/L <br />610 <br />10 Yes <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Sulfate <br />19 mg/L <br />19 <br />1 Yes <br />EPA 300.0 <br />AMW-4 <br />2/3/2023 Chromium, Hexavalent <br />0.67 ug/L <br />0.67 <br />0.2 Yes <br />EPA 218.6 <br />AMW-4 <br />2/3/2023 Silver, Dissolved <br />ND(10) <br />ug/L <br />10 No <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Calcium, Dissolved <br />60 mg/L <br />60 <br />0.1 Yes <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Cadmium, Dissolved <br />ND(10) <br />ug/L <br />10 No <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Cobalt, Dissolved <br />ND(50) <br />ug/L <br />50 No <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Chromium, Dissolved <br />ND(10) <br />ug/L <br />10 No <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Copper, Dissolved <br />6 ug/L <br />6 <br />10 Yes <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Sodium, Dissolved <br />30 mg/L <br />30 <br />1 Yes <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Nickel, Dissolved <br />ND(10) <br />ug/L <br />10 No <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Lead, Dissolved <br />16 ug/L <br />16 <br />50 Yes <br />EPA 6010B <br />AMW-4 <br />2/3/2023 Bicarbonate <br />310 mg/L <br />310 <br />5 Yes <br />EPA 310.1 <br />AMW-4 <br />2/3/2023 Sulfide, Dissolved <br />ND(0.1) <br />mg/L <br />0.1 No <br />SM4500-S D <br />AMW-4 <br />2/3/2023 Solids, Total Dissolved <br />370 mg/L <br />370 <br />20 Yes <br />EPA 160.1 <br />AMW-40M <br />1/24/2022 Benzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Bromochloromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-401`vl <br />1/24/2022 Bromodichloromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Bromoform <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-401`vl <br />1/24/2022 Bromomethane <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Carbon tetrachloride <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Chlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Chloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Chloroform <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Chloromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-401`vl <br />1/24/2022 Dibromochloromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 1,2-Dibromo-3-Chloropropane <br />1 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 1,2-Dibromoethane <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Dibromomethane <br />0.5 ug/L <br />No <br />EPA8260B <br />AMW-40M <br />1/24/2022 1,2 -Dichlorobenzene <br />K<0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 1,3 -Dichlorobenzene <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 1,4 -Dichlorobenzene <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Dichlorodifluoromethane <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 1,1-Dichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 1,2-Dichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-401`vl <br />1/24/2022 1,1-Dichloroethene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 cis-1,2-Dichloroethene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-401`vl <br />1/24/2022 trans-1,2-Dichloroethene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 1,2-Dichloropropane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 cis-1,3-Dichloropropene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 trans-1,3-Dichloropropene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-401`vl <br />1/24/2022 Ethylbenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Hexachlorobutadiene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-401`vl <br />1/24/2022 Methylene Chloride <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 MTBE <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Naphthalene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Styrene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-401`vl <br />1/24/2022 1,1,1,2 -Tetrachloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 1,1,2,2 -Tetrachloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 82606 <br />AMW-401`vl <br />1/24/2022 Tetrachloroethene <br />0.171 <br />0.17 <br />0.5 ug/L <br />Yes <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Toluene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 1,2,4-Trichlorobenzene <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 1,1,1 -Trichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-401`vl <br />1/24/2022 1,1,2 -Trichloroethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 826013 <br />AMW-40M <br />1/24/2022 Trichloroethene <br />0.091 <br />0.09 <br />0.5 ug/L <br />Yes <br />EPA 8260B <br />AMW-401`vl <br />1/24/2022 Trichlorofluoromethane <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 1,2,3-Trichloropropane <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Vinyl Chloride <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Xylenes, Total <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />AMW-401`vl <br />1/24/2022 Acetone <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Acrylonitrile <br /><5 <br />5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Tert-Amyl-Methyl Ether <br /><0.5 <br />0.5 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/20221,1-Dimethylethanol <br /><10 <br />10 ug/L <br />No <br />EPA 8260B <br />AMW-40M <br />1/24/2022 Carbon Disulfide <br /><1 <br />1 ug/L <br />No <br />EPA 8260B <br />Page 265 of 527 <br />