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i <br /> CALTECH, Environmental Laboratories <br /> O6814 Rosecrans Avenue Paramount CA 90723-3146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> I <br /> QA/QC Report <br /> Method 8015M/8021 B <br /> Matrix Water <br /> Date Analyzed 11/21/03 <br /> Units ug/L <br /> IPerimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec. Rec <br /> Benzene 46 - 44 50 95 88 70-130 7 <br />' Toluene 4546 50 90 92 70-130 2 <br /> Ethbenzene 49 _ 47 50 98 94 70-130 4 <br /> Xylenes 144 I 138 150 96 92 70-130 4 <br />' TPH - Gasoline 1076 1055 1000 108 106 60-140 2 <br /> TPH - Diesel 1126 1147 1000 113 115 60-140 2 <br /> 1 LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br />' RPD Relative Percent Difference of LCS and LCSD <br /> 1 <br /> 1 <br /> i <br /> 1 <br />' FOTAL1_Y DFDI(AFED TO CUSTOMER SATISFACTION <br />