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CALTECH Environmental Laboratories <br />' 6814 Rosecrans Avenue, Paramount CA 90723-3 146 <br /> . O Telephone (562) 272-2700 far (562} 272-2789 <br /> QA/QC Report <br />' Method 8260B <br />' Matnx Water <br /> Date Analyzed 1/9/04 <br />' Units ug/L <br />' i Perimeters- LSC LCSD Spike LCS% LCSD% Limits RPD <br /> _ Added Rec Rec <br /> 1,1-Dichlorcathene 47 46 50 94 92 60-140 2 <br />' Benzene 50 50 50 100 100 60-140 0 <br /> Trichloroethzrne 46 48 50 92 96 60-140 4 <br /> Toluene 47 48 50 94 96 60-140 2 <br />' Chlorobenzene 51 52 50 102 104 60-140 2 <br /> rn, -X lenes 97 99 100 97 99 60-140 2 <br /> lie <br /> LCS Laboratory Control Standard <br />' LCSD Labciatory Control Standard Duplicate <br /> RPD Relabva Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits RPD <br />' 1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br />' Tnchloroethere 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br />' m,p-X lenes 0 70-130 <br /> I <br /> I <br />' TOTALLY DLDICATED TO CUSTOMER SATISFACTION <br />