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I <br /> CALTECH Environmental Laboratories <br /> r, r <br /> E <br /> QA/QC Report <br /> i <br /> Method 8260B <br /> EMatrix Water <br /> Date Analyzed 6/5/03 <br /> Units ug/L <br /> iPerimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br /> 1 1-Dich'oroethene 62 61 50 124 122 60-140 2 <br /> I Benzene 54 58 50 108 116 60-140 7 <br /> Tnchloroethene 56 60 50 112 120 60-140 7 <br /> Toluene 51 54 50 102 108 60-140 6 <br /> Chlorobenzene 47 48 50 94 96 60-140 2 <br /> m, -X leges 98 100 100 98 100 60-140 2 <br /> LCS Laboratory Control Standard <br /> 1 LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits RPD <br /> ►� <br /> 1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> Im, -X lenes 0 70-130 <br /> • <br /> S <br />