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CALTECH Environmental Laboratories <br /> O 6814 Rosecrans Avenue, Paramount C4 90723-3146 <br /> 49 Telephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 82608 <br /> Matrix Sail <br /> Date Analyzed 12/23/03 <br /> Units ug/Kg <br /> Perimeters LSC LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec. Rec <br /> ' 1-Dichloroethene 44 44 50 88 88 60-140 0 <br /> B:nzene 50 51 50 100 102 60-140 2 <br /> T-.chforoethene 43 45 50 86 1 90 60-140 4 <br /> Toluene 45 44 50 90 88 60-140 2 <br /> 0-ilorobenzene 46 43 50 92 86 60-140 6 <br /> rr,p-X lenes 102 96 100 102 96 60-140 6 <br /> • <br /> LCS Laboratory Control Standard <br /> L"-ASD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits RPD <br /> 1,f-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> Tr;chloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> m,p-X lenes 0 70-130 <br /> TOTALLY DEDICATED TO CUSTOMER SATISFACTION <br />