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CALTECH Environmental Laboratories <br /> S U6814 Rosecrans Avenue Paramount CA 90723 3 146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> i <br /> QA/QC Report <br />' Method 8260B <br />' Matrix Water <br /> Date Analyzed 11/13/03 <br /> Units u9/L <br />' PerimetersLSC LCSD Sptke LCS% LCSD°/a Limits RPD <br /> Added Rec. Rec <br /> 1,1-D,chlorcpthene 47 50 50 94 100 60-140 6 <br /> Benzene 45 48 50 90 96 60-140 6 <br /> Trichloroethene 49 46 50 98 92 60-140 6 <br /> Toluene 51 51 50 102 102 60-140 0 <br /> Chlorobenzene 51 47 50 102 94 60-140 8 <br /> m, -X lenes 128 126 100 128 126 60-140 2 <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-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70130 <br /> m, -X lenes 0 70-130 <br /> ' TOTALLY DLDICAFED TO CUSTOMER SATISFACTION <br />