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KLEINFELDER <br />TABLE 3 <br />Concentrations of Soluble Copper and Lead <br />Granite Construction Stockpile <br />Subdivision 7253, 7358, and 7467 <br />Oakley, California <br />Metal <br />Analytes/Parameters <br />Sample Identification [Sample Date] <br />SOLUBLE METALS <br />STLC Limits <br />24090/24091 A&B 24092/24093 A&B <br />[7/26/01] [7/26/01] <br />Copper <br />ND (<0.05) ND (<0.05) <br />25 <br />Lead <br />ND (<0.5) NI (<0.5) <br />5 <br />Units <br />mg/1 <br />Notes: <br />ND =none detected at or above the detection limits shown for the individual analytes <br />mg/l = milligrams per liter (parts per million) <br />STLC = soluble threshold limit concentration <br />20-1108-33.001/2011 E097 Page T-3 <br />Copyright 2001, Kleinfelder Inc. October 16, 2001 <br />