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1 <br /> CALTECH Environmental Laboratories <br /> O681 4 Rosec Fins Avc iue TIP -ani,)Or« C P, 90723 31 J6 <br /> Telephone (562) 272-2700 i'aY (15321 ''7%-27?9 <br /> QA/QC Report <br /> Method 8260B <br /> tMatrix Water <br /> ' Date Analyzed 4/16/04 <br /> Units ug/L <br /> ' Perimeters LCS LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec Ree <br /> ' 1,1-D[chloroethene 47 51 50 94 102 60-140 8 <br /> Benzene 46 49 50 92 98 60-140 6 <br /> Trichloroethene 45 47 50 90 94 60-140 4 <br /> ' Toluene 46 48 50 92 96 60-140 4 <br /> Chlorobenzene 47 48 50 94 96 60-140 2 <br /> ,p-Xylenes 111 112 100 111 112 60-140 1 <br /> Ile <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 /> 1 <br /> TOTALLY DLDI( Ai F T) 10 C11 ,TOMER S"TISFACTION <br />