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CALTECH Environmental Laboratories <br /> =. <br /> i'8:411 se ;' (-,s <br /> 10 1� <br /> QA/QC Report <br /> Method: 8260B <br /> Matrix: Water <br /> Date Analyzed: 5/1/03 <br /> Units: ug/L <br /> Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> _ _ Added Rec. Rec. <br /> 1,1-Dichloroethene -+ ''.3 50 88 86 60-140 2 <br /> Benzene 48 47 50 96 94 60-140 4 <br /> Trichloroethene 49 48 50 98 96 60-140 4 <br /> Toluene 49 48 5C 98 96 60-140 4 <br /> Chlorobenzene 48 47 50 96 94 60-140 2 <br /> m,p-X ylenes 96 88 100 96 88 60-140 8 <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPG: Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits RPD <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 /> m,p-Xylenes 0 70-130 <br /> TO ,ALL r DEDICAF M TO, IC S T01"OE.. <br />