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CALTECH Invironmental Laboratories <br /> Li-;.. <br /> l iione: 9,5i 2i 'i)t} <br /> 1e <br /> QA/QC Report <br /> Method: 8260B <br /> Matrix: Water <br /> Date Analyzed: 5/1,03 <br /> Units: u g/L <br /> Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Pec. Rec. <br /> 1,1-Dichloroethene 44 50 88 86 60-1.40 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, -Xylenes 96 88 100 96 88 60-140 8 <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS ar,d 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 /> TOTALLY DE'DIC A El's TO� CUSTGME ti; ";°1:,'- <br />