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CALTECH Environmental Laboratories <br /> QA/QC Report <br />' Method 8260E <br />' Matrix Water <br /> Date Analyzed 5123103 <br />' Units ug/L <br />' Perimeters LSC LCSD Spike LCS% LCSD% Limits RPD <br /> Added Rec Rec. <br />' 1,1-DPchloroethene 52 51 50 104 102 60-140 2 <br /> Benzene 60 58 50 120 116 60-140 4 <br /> Trichloroethene 45 45 50 90 90 60-140 0 <br /> Toluene 48 49 50 96 98 60-140 2 <br />' Chlorobenzene 50 48 50 100 96 60-140 4 <br /> m, -X lenes 1 104 98 100 104 98 60-140 6 <br /> LCS Laboratory Control Standard <br />' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits RPD <br /> 1,1-DPchloroethene 0 70-130 <br /> Benzene 0 70-130 <br />' Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br />' m, -X lenes 0 70-130 <br /> 1 <br />