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CALTEcH Environmental Laboratories <br /> 6814 Rosecrans Avenue Paramount CA 90723-3 146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 10/5/04 <br /> Units ug/L <br /> Perimeters LCS LCSD Spike LCS% LCSD% Limits RPD <br /> Added Rec Rec <br /> 1,1-Dichloroethene 49 47 50 918 94 60-140 4 <br /> Benzene 48 48 50 916 96 60-140 0 <br /> Trichloroethene 50 51 50 100 102 60-140 2 <br /> Toluene 52 55 50 1 104 110 60-140 6 <br /> Chlorobenzene 54 56 50 1 108 112 60-140 4 <br /> m, -X lenes 108 114 100 108 114 60-140 6 <br /> i <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <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, -X Penes 0 70-130 <br /> TOTALLY DEDIC AJ ED 10 CUS T OMLR SATISFACTION <br />