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I <br /> CALTECH Environmental Laboratories <br /> 6814 Rostc,ans• (562,1 --72-2700 <br /> roti.-nue Paramoupt CA 90172--S L y Texphonc (562; --7?-2 700 1=a5i x;21- 1781: <br /> I <br /> QA/QC Report <br /> I <br /> Method 8260B <br /> IMatrix Water <br /> Date Analyzed 3/24/03 <br /> Units ug/L <br /> Perimeters LSC LCSD Spike LCS% LCSD% Limits RPD <br /> Added Rec Ree <br /> I <br /> 1,1-Dichloroethene 46 47 50 92 94 70-130 2 <br /> Benzene 45 46 50 90 92 70-130 2 <br /> Trichloroethene 53 51 50 106 102 70-130 4 <br /> I Toluene 51 52 50 102 104 70-130 4 <br /> Chlorobenzene 49 48 50 98 96 70-130 2 <br /> m, -X lenes 122 122 100 122 122 70-130 0 <br /> i � <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> I <br /> IPerimeters Blank Limits RPD <br /> 1,1 Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> Tnchloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> m, -X lenes 0 70-130 <br /> TOTALLY DEDiCAFLD TO CtJS i OMER- )A_T.v -ACT tGN <br />