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CALTECHEnvironmental Laboratories <br /> O6814 Rosecrans Avenue. Paramount_ CA 90723-3146 <br /> Telephone: (562) 272-2700 fay: (562) 272-2789 <br /> QA/QC Report <br /> I ' <br /> Method: 8260E <br /> IMatrix: Water <br /> Date Analyzed: 9/30/04 <br /> Units: ug/L <br />' Perimeters LCS LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec. Rec. <br /> 1,1-Dichloroethene 42 44 50 84 88 60-140 4 <br /> Benzene 47 48 50 94 96 60-140 2 <br /> Trichloroethene 49 51 50 98 102 60-140 4 <br /> Toluene 48 50 50 96 100 60-140 4 <br /> Chlorobenzene 50 53 50 100 106 60-140 6 <br /> rn,p-X lenes 104 111 100 104 111 60-140 7 <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> I <br /> Perimeters Blank Limits RPD <br /> I1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> I Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> m,p-Xylenes 0 70-130 <br />' TOTALLY DED[CA'I-1:1) '11-0 C:USTOM L:1Z SATISFACTION <br />