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CALTECH Environmental Laboratories <br /> 6814 Rosecrans Avenue I'aranlOunt CA 90723-3 146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 82606 <br />' Matrix Water <br />' Date Analyzed 9129/03 <br /> Units ug/L <br /> Perimeters LSC LCSD Spike 1 LCS% LCSD% ! Limits RPD <br /> Added Rec. Rec <br />' 1,1-Dichloroethene 50 47 50 100 94 60-140 6 <br /> Benzene 46 48 50 92 96 60-140 4 <br /> Trichloroethene 48 1 51 50 96 102 60-140 6 <br />' Toluene 52 1 55 50 104 110 60-140 6 <br /> Chlorobenzene 54= 58 50 108 116 60-140 7 <br /> m, -X lenes 109 120 100 1 109 120 60-140 10 <br /> LCS Laboratory Control Standard <br />' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> I <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 /> rn,p-Xylenes 0 70-130 <br /> I <br /> TOTALLY DLDI C A PED TO CUSTOMER SATISFACTION <br />