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CALTECH Environmental Laboratories <br /> f• <br /> 768,1,,4Rosecrans Avenue Paran3ount CA 90723-3146 <br /> hone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 82606 <br /> Matrix Water <br /> Date Analyzed 3116/04 <br /> Units ug/L <br /> Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br /> 1,1-Dichloroethene 43 46 50 86 92 60-140 7 <br /> Benzene 44 48 50 88 96 60-140 9 <br /> Trichloroethene 42 46 50 84 92 60-140 10 <br /> Toluene 53 54 50 106 108 60-140 2 <br /> Chlorobenzene 54 56 50 108 112 60-140 1 4 <br /> m, -X lenes 128 132 100 126 132 -Tq--1-40-7 3 <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, -X lenes 0 70-130 <br /> T01-Ai IV r)FI)i('A1-T T) FOCI NTOMPR '�ATi4FAC'TTON <br />