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CALTECH Environmental Laboratories <br />' 6814 Rosecmi-6 Avenue. Paramount, CA 90723-3146 <br /> • Telephone: (562) 272-2700 Fax: (562) 272-2789 <br /> I <br /> QA/QC Report <br /> I <br /> Method: 8260B <br /> 1 Matrix: Water <br /> Date Analyzed: 6126/04 <br /> 1 Units: ug/L <br /> 1 Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec. Rec. <br /> 1 1,1-Dichloroethene 44 42 50 88 84 60-140 4 <br /> Benzene 47 47 50 94 94 60-140 0 <br /> Trichloroethene 48 48 50 96 96 60-140 0 <br /> 1 Toluene 44 45 50 88 90 60-140 2 <br /> Chlorobenzene 50 48 50 100 96 60-140 4 <br /> m, -X lenes 93 89 100 93 89 60-140 4 <br /> li <br /> LCS: Laboratory Control Standard <br /> 1 LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> 1 <br /> Perimeters Blank Limits RPD <br /> 1,1-Dichloroethene 0. 70-130 <br /> Benzene 0 70-130 <br />' Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br />' m,p-Xlenes 0 70-130 <br /> 1 <br /> 1 <br />' TOTALLY DED[CA'YED TO CUSTOMER SATISFACTION <br />