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RECOMMENDED WASTE ACCEPTANCE LIMITS FOR INORGANICS AT CLASS III LANDFILLS <br />For Protection of Groundwater Designated for Use as Municipal, Domestic, and Agricultural Supply <br />Constituent <br />Water Quality Limit <br />Soluble Designated Levels (mg/L) <br />based on degree of attenuation: <br />Value (mg/L) <br />Reference <br />Low* <br />High* <br />Aluminum <br />0.2 California Secondary MCL <br />0.2 <br />2 <br />Antimony <br />0.006 California & USEPA Primary MCL <br />0.006 <br />0.06 <br />Arsenic <br />0.000004 California Public Health Goal in Drinking Water <br />0.000004 <br />0.00004 <br />Barium <br />1 California Primary MCL <br />1 <br />10 <br />Beryllium <br />0.001 California Public Health Goal in Drinking Water <br />0.001 <br />0.01 <br />Cadmium <br />0.00007 California Public Health Goal in Drinking Water <br />0.00007 <br />0.0007 <br />Chloride <br />106 Water Quality for Agriculture <br />106 <br />1060 <br />Chromium - total <br />0.05 California Primary MCL <br />0.05 <br />0.5 <br />Chromium VI <br />0.021 USEPA IRIS Reference Dose <br />0.021 <br />0.21 <br />Cobalt <br />0.05 Water Quality for Agriculture <br />0.05 <br />0.5 <br />Copper <br />0.17 California Public Health Goal in Drinking Water <br />1.7 <br />17 <br />Iron <br />0.3 California & USEPA Secondary MCL <br />0.3 <br />3 <br />Lead <br />0.002 California Public Health Goal in Drinking Water <br />0.02 <br />0.2 <br />Manganese <br />0.05 California & USEPA Secondary MCL <br />0.05 <br />0.5 <br />Mercury <br />0.0012 California Public Health Goal in Drinking Water <br />0.0012 <br />0.012 <br />Molybdenum <br />0.01 Water Quality for Agriculture <br />0.01 <br />0.1 <br />Nickel <br />0.012 California Public Health Goal in Drinking Water <br />0.012 <br />0.12 <br />Selenium <br />0.02 Water Quality for Agriculture <br />0.02 <br />0.2 <br />Silver <br />0.035 USEPA IRIS Reference Dose <br />0.035 <br />0.35 <br />Sulfate <br />250 California & USEPA Secondary MCL <br />250 <br />2500 <br />Thallium <br />0.0001 California Public Health Goal in Drinking Water <br />0.0001 <br />0.001 <br />Total Dissolved Solids <br />450 Water Quality for Agriculture <br />450 <br />4500 <br />Vanadium <br />0.05 California State Action Level - based on toxicity <br />0.05 <br />0.5 <br />Zinc <br />2 Water Quality for Agriculture; USEPA Health Advisory <br />20 <br />1 200 <br />* See 30 March 1989 letter to landfill owners/operators, "Wastes Acceptable for Discharge to Class III Landfills." <br />Soluble Designated Levels apply to concentrations in 22 CCR Waste Extraction Test (WET) extract of a solid waste. <br />Soluble Designated Level = [Water Quality Limit] x [Attenuation Factor] _ [WET Dilution Factor of 10] <br />Where natural background concentration in groundwater exceed a Water Quality Limit, Soluble Designated Level should be <br />recalculated with Water Quality Limit set equal to background concentration. <br />California Regional Water Quality Control Board, Central Valley Region JBM 7 May 2004 <br />