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1 <br /> CALTECH Environmental Laboratories <br />' 6814 Rosecrans Avenue Pat an'1ount CA 90723-3146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br />' Matrix Water <br /> Date Analyzed 6130104 <br /> Units ug/L <br />' Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br />' 1,1-DichloroethL-ne 45 50 50 90 100 60-140 11 <br /> Benzene 50 52 50 100 104 60-140 4 <br /> Trichloroethene 40 40 50 80 80 60-140 0 <br />' Toluene 48 1 49 50 96 98 1 60-140 2 <br /> Chlorobenzene 50 1 50 50 100 100 60-140 0 <br /> m, -X lenes 103 103 100 103 103 60-140 0 <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 />' <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 /> I <br /> TOTALLY DEDICATED 10 CUSTOMER SAriSFACTION <br />