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CAL TECH Environmental Laboratories <br /> 0 FFrh ?t: -< <br /> QA/QC Report <br /> Method: 60106 <br /> Matrix: Soil <br /> Date Analyzed: 3/22/02 <br /> Units: mg/kg <br /> Perimeters Method ;' LSC LCSD ,Spike LCS % LCSD% Limits RPD � <br /> Blank Added Rec. Rec. <br /> Chromium 0.002 2.43 2.48 2.5 97 99 60-140 2 <br /> Copper 0.008 2.37 2.3_9 2.5 95 96 60-140 1 <br /> Lead 0.003 2.48 2.49 2.5 99 100 60-140 1 <br /> Nickle 0 2.45 2.48 2.5 98 S60-140 1 <br /> Zinc 0.013 2.18 2.23 2.5 87 89 60-140 2 <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> .. ., _ .L D I,fLR .�,?fRr�.. . -�p, <br />