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1 <br /> CALTECH Environmental Laboratories <br /> ' 6814 Rosecrans Avenin. Paramount CA 90723-3 146 <br /> [C� <br /> Telephone (562) 272-2700 F,ix (562)272-2789 <br />' QA/QC Report <br />' Method 8260B <br />' Matrix Water <br /> Date Analyzed 8/13/03 <br />' Units ug/ <br />' Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br /> 1,1-Dichloroethane 45 44 50 90 88 60-140 2 <br /> Benzene 36 38 50 72 76 60-140 6 <br /> Trichloroethene 51 49 50 102 98 60-140 4 <br /> Toluene 49 47 1 50 98 94 60-140 4 <br /> Chlorobenzene 45 44 50 90 88 60-140 2 <br /> m, -X lenes 133 123 100 133 123 60-140 8 <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 70-130 <br /> m,p-X lenes 0 70-130 <br /> TOTALLY DEDICA FED rU C <br /> US IUMI✓R SATISFACTION <br />