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CALTECH Environmental Laboratories <br />' 6814 Rosecraqns A eruc CA ')0723-3146 <br /> O Telephone (56'-;' --,72-2 ,,')0 a a. 5621, 272-279 <br /> I <br /> QA/QC Report <br /> Method 8015M /8021 B <br />' Matrix Water <br /> Date Analyzed 12/23/03 <br /> 1 Units ug/L <br /> 1 Perimeters LSC LCSD Spike LCS% LCSD% Limits RPD <br /> Added Rec. Rec <br /> 1 Benzene 45 46 50 90 92 70130 2 <br /> Toluene 45 47 50 90 94 70-130 4 <br /> Eth benzene 48 49 50 96 98 70-130 2 <br /> Xylenes 138 134 150 1 92 1 89 70-130 3 <br /> TPH - Gasoline 1011 993 100 1 101 99 60-140 1 <br /> 1 LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br />' RPD Relative Percent Difference of LCS and LCSD <br /> 1 <br /> i <br /> 1 <br /> ' -FOTAI I Y D ETDI'� /1JL i) 1 () C[JS-f()MLR SATISFACTION <br />