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I <br /> CALTECH Environmental Laboratories <br /> I <br /> C <br /> 6814 Rosecrans V�Lnu,- lF,irinik,uni. ( A 4(172-1-11 +6 <br /> TelLphonL 1562) 272-2-00 1 \ (s62) 272-2789 <br /> I <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 7115103 <br /> Units uglL <br /> iPerimeters LCS LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec. <br /> 1,1-Drchloroethene 45 46 50 90 92 60-140 2 <br /> Benzene 46 48 50 92 96 60-140 4 <br /> Trichloroethene 46 51 50 92 102 60-140 11 <br /> Toluene 44 48 50 88 1 96 60-140 9 <br /> Chlorobenzene 45 50 1 50 90 100 60-140 11 <br /> m, -X lenes 94 108 1 100 94 108 60-140 15 <br /> LCS Laboratory Control Standard <br />' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> I <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-X lenes 0 70-130 <br />' TOTA[ I 'Y DI Df( A t D r() C[JST()M F R SATISFACTION <br />