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CALTECH Environmental Laboratories <br /> ' 6814 Rosecrans A\enue Pararncain€ CA 90723-�146 <br /> • O Telephone (562) 272-2703 r ax (562) 272-7789 <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> I 1 <br /> Date Analyzed 6/23/04 <br /> Units ug/L <br /> Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br /> 1,1-Dchloroethene 44 40 50 88 80 60-140 8 <br /> Benzene 40 41 50 80 82 60-140 2 <br /> T,Ichlorcethene 48 51 50 96 102 60-140 6 <br /> Toluene 47 46 50 94 92 60-140 2 <br /> Chlorobenzene 49 46 50 98 92 60-140 6 <br /> m,p-Xyl enes 88 85 100 88 85 60-140 3 <br /> 1 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> I <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits RPD <br /> ' 1,1-Dcchloroethene 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 1 70-130 <br /> 1 <br /> • <br /> I <br /> ' TOTALLY LSI DK-ATED 10 CUSTOMER SATISFACTION <br />