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1 <br /> CALTECH Environmental Laboratories <br />' 6814 Rosecrans Avenue P-traniou,it CA 90723-3146 <br /> . O Telephone (562) 272-2700 f a (5 62) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br />' Matrix Soil <br /> Date Analyzed 3/23104 <br /> Units ug/Kg <br />' Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br />' 1,1-Dichlorciethene 45 48 50 90 96 60-140 6 <br /> Benzene 42 44 50 84 88 60-140 4 <br /> Tnchloroethcne 47 49 50 94 98 60-140 4 <br />' Toluene 42 1 46 50 84 1 92 60-140 10 <br /> Chlorobenzene 44 48 50 88 1 96 60-140 9 <br /> m, -X lenes 96 103 100 96 103 60-140 7 <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-Dichlorcethene 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 /> • <br /> `IOIAI LY I)I.DIC AFI✓D TO CUSTOMER SATISFACTION <br />