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CALTECH Environmental Laboratories <br /> O6814 Ro,�cc,r ns Avonuc l'aran,ou'IL CA 90723-3146 <br /> Telepho,': (562) 272-2 7100 Fa% (562) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 12/23/03 <br /> Units ug/L <br /> Perimeters LSC LCSD Spike LCS% LCSD % Limits RPD <br /> _ Added Rec Rec <br />' 1,1-Dichloroethene 44 -44 50 88 88 60-140 0 <br /> Benzene 48 4Fa 50 96 92 60-140 4 <br /> Trichloroethene 47 45 50 94 90 60-140 4 <br />' Toluene 48 46 50 96 92 60-140 4 <br /> Chlorobenzene 46 45 50 92 90 60-140 2 <br /> m, -X ienes 98 95 100 98 95 60-140 3 <br /> lie <br /> LCS Laboratory Control Standard <br />' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits RPO <br /> 1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br />' Trichloroethene 0 70.130 <br /> Toluene 0 70-130 <br /> Chforobenzene 0 70-130 <br />' m,p-X ienes 0 70-130 <br /> t <br /> 1 <br /> i <br />' I OTALLY DFDIC ;1,TF D FO CUSTOMER SATISFACTION <br />