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CALTECH Environmental Laboratories <br /> . O 6814 Rosecrans Avenue Paramount CA 90723-3146 <br /> Telephone (562) 272-2700 I ax {�62) 27?-2789 <br /> QA/QC Report <br /> Method 82606 <br /> Matrix Soil <br /> Dale Analyzed 12/1/03 <br /> Units ug/Kg <br /> Pe,imeters LSC-1 1 LC51?-1 Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br /> 1,1-Dichioroethene 40 13 50 80 86 60-140 8 <br /> Benzene 46 '49 50 92 98 60-140 7 <br /> Trichloroethene 46 49 50 92 98 60-140 7 <br /> Toluene 50 ~49 50 100 98 60-140 7 <br /> Chlorobenzene 50 48 50 100 96 60-140 4 <br /> ,p-Xylenes 110 109 100 110 109 60-140 2 <br /> • <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 70130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> m, -X lenes 0 70-130 <br /> TOTAI_I Y DEDICAI LD VO CUSTOMER SATISFACTION <br />