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1 <br /> CALTECH Environmental Laboratories <br /> 6814 Rosecrans Avenue Pa[anlOUnt CA 90723-3146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> 1 <br /> QA/QC Report <br /> Method 8015M /8021 B <br /> Matrix Water <br /> Date Analyzed 4128104 <br /> Units ug/L <br />' Perimeters LSC LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec Rec <br /> Benzene 46 45 50 92 90 70-130 2 <br /> Toluene 52 52 50 104 104 70-130 0 <br /> Eth benzene 53 50 50 106 100 70-lqp___f 6 <br />' <br /> Xylenes. 161 142 150 107 95 70-130 1 11 <br /> TPH - Gasoline 1010 1060 1000 101 106 60-140 1 5 <br />' LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> i <br /> TOTALLY DED1(AI LD TO CUSTOMER SATISFACTION <br />