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CALTECH Environmental Laboratories <br /> O 02:4 Rosecrans :kv: nUe, nat 3ll'.'J ii .,CA. <br /> Ielepnone: (562 2,72-2 7001 ~ax: <br /> QA/QC Report <br /> Method: 8260B <br /> Matrix: Soil <br /> Date Analyzed: 5/9/03 <br /> Units: ug/Kg <br /> Perimeters LSC LCSD Spike LCS% LCSD% Limits RPD <br /> Added Rec. Rec. <br /> 1,1-Diuhloroe"hene 49 48 _ 50 98 96 60-140 2 <br /> Benzene _ 47 44 50 94 88 60-140 1 6 <br /> Trchloroethene 47 46 50 94 92 60-140 2 <br /> Toluene 49 46 50 98 92 60-140 4 <br /> Chlorobenzene 48 48 50 96 96 60-140 0 <br /> m,p-X lenes 104 109 100 104 109 60-140 5 <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,p-.Xylenes 0 70-130 <br />