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CALTECH Environmental Laboratories <br /> 1 6814 Rosecrans Avenue Pardmount CA 90723-3146 <br /> O Telephone (562) 272-2700 Fah (562,1272-2789 <br /> 1 <br /> QA/QC Report <br /> 1 <br /> Method 8260E <br /> ' Matrix Water <br /> Date Analyzed 8/23/03 <br /> 1 Units ug/L <br /> ' Perimeters LSC LCSD Spike LCS% LCSD% Limits RPD <br /> Added Rec Rec <br /> ' 1,1 Dichloroethane 42 46 50 82 92 60-140 12 <br /> Benzene 43 48 50 86 96 60-140 12 <br /> Tri iNoroethene 40 43 50 80 86 60-140 7 <br /> 1Toluene 47 48 50 94 96 60-140 2 <br /> Chiorobenzene 52 56 50 104 112 60-140 8 <br /> m, -X lenes 105 106 100 105 106 60-140 1 <br /> LCS Laboratory Control Standard <br /> ' 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-X lenes 0 70-130 <br /> 1 <br /> 1 <br /> i <br /> k � <br /> i� TOTALLY DE DIC/\I EI) TO CLJSTOMER, SATIISf=ACTION ! �� <br />