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n 1 <br /> CALTECH Environmental Laboratories <br /> • O Rosecrars Avenue Paramount CA 90723-3146 <br /> ,-562) 272-2700 �7a\ (562) 272-2789 <br /> QA/QC Report - <br /> Method 82606 <br /> Matrix Water <br /> Date Analyzed 10/20/03 <br /> Units ug/L <br /> Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br /> 1,1-DichloroErhene 47 46 50 94 92 60-140 4 <br /> Benzene 44 41 50 88 82 60-140 7 <br /> Trichloroethene 51 48 50 102 96 60-140 6 <br /> Toluene 1 50 46 50 100 92 1 60-140 8 <br /> Chlorobenzene 49 47 50 98 94 1 60-140 1 4 <br /> m, -X Penes 112 109 100 112 109 1 60-140 1 3 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and t,CSD <br /> i <br /> Perimeters Blank Limits RPD <br /> 1,1-DEchloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chforobenzene 0 70-130 <br /> m, -X lenes 0 70-130 <br /> IOTA! I Y DEDICAFLI) TO CUSTOMER SATISFACTION <br />