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CALTECH Environmental Laboratories <br /> ' 6814 Rosecrans Venue Paramount CA 90723-3146 <br /> O Telephone (562) 272-2700 Fax (362) 272-2780 <br /> • <br /> QA/QC Report <br /> ' Method. 8015M /8021 B <br /> Matrix Water <br /> Date Analyzed 8/20/04 <br /> Units ug/L. <br /> Perimeters LSC LCSD Spike LCS% LCSD % Limas RPD <br /> Addeo! Rec Rec <br /> Benzene 41 42 50 82 84 70-130 2 <br /> ' Toluene 42 43 50 84 86 70-130 2 <br /> Eth benzene 48 46 50 96 92 70-130 4 <br /> Xylenes 138 1 131 150 92 87 70-130 5 <br /> TPH - Gasoline 1020 1049 1000 102 105 60-140 3 <br /> TPH - Diesel 1129 1133 1000 113 113 60-140 0 <br /> ` . LCS Laboratory Contro Standard <br /> LCSD Laboratory Contrs,,! Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> I , <br /> 1 <br /> i <br /> ' -IOIAI IN DI-DIC AFI I) FO C€ I)TOMER SAIISFACTION <br />