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1 <br /> CALTECH Environmental Laboratories <br />' 6814 Rosecrans AVerL. Pardniount ` A 90723-3146 <br /> • Telephone (552) ax '562) 271-2737 <br /> QA/QC Report <br />' Method 8260B <br /> Matrix Water <br /> Date Analyzed 12/29/03 <br /> 1 Units ug/L <br />' Perimeters LSC LCSD Spike LCS% LCSD% Limits RPD <br /> Added Rec Rec <br /> 1,1-Dichloroethene 48 49 50 86 98 60-140 2 <br />' Benzene 43 46 50 86 92 60-140 7 <br /> Trichloroethene 46 48 50 92 96 60-140 4 <br /> Toluene 47 50 50 94 100 60-140 6 <br />' Chlorobenzene 50 48 50 100 96 60-140 4 <br /> m, -X lenes 92 96 100 92 96 60-140 4 <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 lenes 0 70-130 <br /> 1 <br /> ' TOTAi LY DEDICATED 10 CUS-TOMER SATISFACTION <br />