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1 <br /> CALTECH Environmental Laboratories <br /> 1 ,"-' ' ���� > 'vf--) w uemmoun+ CA 90723-3145 <br /> O C: irE 1,1-16? %"? 700 i-ev 2562) 272-2780 <br /> 1 <br /> QA/QC Report <br /> Method 8260B <br /> ' Matrix Soil <br /> Date Analyzed 2/23/04 <br /> 1 Units ug/Kg <br /> 1 Perimeters LSC LCSD Spike LCS% LCSD% Limits RPD <br /> Added Rec Rec <br /> 1 1 1-Dichloroethene 41 44 50 82 88 60-140 7 <br /> Benzene 44 40 50 88 80 60-140 9 <br /> Trichloroethene 52 50 50 102 100 60-140 2 <br /> 1 Toluene 55 53 50 110 106 60-140 4 <br /> Chlorobenzene 55 52 50 110 104 60-140 6 <br /> m, -X lenes 113 117 100 113 117 60-140 4 <br /> li <br /> LCS Laboratory Control Standard <br /> 1 LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> 1 <br /> Perimeters Blank Limits RPD <br /> 1 1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> 1 Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> 1 m,p-X lenes 0 70-130 <br /> 1 <br /> • <br /> 1 TOTALLY DEDICATED TO CUSTOMLR SATISFACTION <br />