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t <br /> CALTECH Envirohmental Laboratories , <br /> „ <br /> J . <br /> QA/QC 'Report R <br /> _ J <br /> Method: 8260B <br /> Matrix: Soil J <br /> Date Analyzed: 6/3/03 <br /> Units: ug/Kg iJ , <br /> Perimeters , <br /> LSC LCSD Spike LCS% LCSD% Limits RPD 'J <br /> Added Rec. Rec. <br /> ne <br /> 1,1-Dichloroethe47 _41 50 . 94 82. .60-140 <br /> 13 <br /> Benzene 44 47 50 88 94 60-140 7 <br /> Trichloroethene 37 38 50 74 76 60-140 2. <br /> Toluene 41 47 50 82 94 60-140 15 <br /> Chlorobenzene 47 49 50 94 98 60-140 4 <br /> m, -X lenes 90 89 100 90 89 60-140 1 <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> J <br /> Perimeters Blank Limits RPD <br /> 1,1-Dichloroethene 0 70-130 w� <br /> Benzene 0 70-130 <br /> Trichloroethene 0 70-130 <br /> Toluene 01 70-130 <br /> J <br /> Chlorobenzene 0 70-130 <br /> m,p-X lenes . 0 70-130 <br /> J ! <br /> i <br /> ^, <br /> �k <br />