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1 <br /> CALTECH Environmental Laboratories <br />' 68 14 Rosecrans Avenue Paramount CA 90723-3 146 <br /> S O Telephone (562) 272-2700 fax (562) 272-2789 <br /> I <br /> QA/QC Report <br />' Method2 B <br /> s so <br /> IMatrix Water <br /> Date Analyzed 6/9104 <br /> IUnits ug/L <br /> IPerimeters LCS LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br />' <br /> 1,1-Dichloroethene 45 48 50 90 96 60-140 6 <br /> Benzene 46 50 50 92 100 60-140 8 <br /> Trichloroethene 47 47 50 94 94 60-140 0 <br /> Toluene 46 46 50 92 92 60-140 0 <br />' Chlorobenzene 46 46 50 92 92 60-140 0 <br /> m, -Xvienes 95 97 100 95 97 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 /> r1,1-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 /> I <br /> TOTAI LY DEDICAI ED 10 CUS"I OVILR SATISFACTION <br />