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i <br /> CALTECH Environmental Laboratories <br /> iO 5814 Rosecrans Avenue, Paramount CA 90723-3146 TeEephone (562) 272-2700 Fax (562) 272-2789 <br /> I <br /> QA/QC Report <br /> Method <br /> 8015M/8021 B <br /> Matrix Water <br /> Date Analyzed 1012/04 <br /> Units ug/L <br /> Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br /> Benzene 43 47 50 86 94 70-130 9 <br /> Toluene 44 48 50 88 96 70-130 9 <br /> Ethybenzene 49 1 52 50 1 �98 104 70-130 6 <br /> Xylenes 128 148 150 1 85 99 70-130 16 <br /> TPH - Gasoline 1003 1061 1000 100 106 60-140 6 <br /> lieLCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> I <br /> 1 <br /> I <br /> 1 <br />' TOTALLY DLD[CA[ t1) FO CLJS'lOMLR SATISFACTION <br />