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r <br /> fApplied Geotechnology Inc. <br /> r Table 9 <br /> Metals in Groundwater <br /> By EPA Methods 6010/7000 Series <br /> USG Interiors <br /> Stockton, California <br /> December 1987 <br /> (1) <br /> WATER <br /> Federal Detection <br /> MCL , Limit MW-1 MW-2 MW-3 <br />�- Metal. (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) <br /> Arsenic 0.05 0.005 0.004 0.002 0.018 <br /> Cadmium 0.01 0.0003 0.0062 0.0010 0.0023 <br /> Chromium 0.05 0.01 NO NO NO <br /> Copper 1.0 (2) 0.02 NO NO NO <br /> Lead 0.05 0.002 NO NO ND <br />` Zinc 5.0 (2) 0.02 0.15 0.01 0.05 <br />( Notes: <br /> I <br />' MCL- Maximum Contaminant Level. <br /> ND - Not detected. <br /> j (1) Dissolved metal concentrations. <br /> 11 (2) Secondary Maximum Concentaminant Level. <br /> Arsenic,cadmium, and lead analyzed using EPA Methods 7060, <br />' 7131, and 7421 respectively. <br /> Chromium,copper,and zinc analyzed using EPA Method 6010. <br />{ <br />