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CALTECH Environmental Laboratories <br /> Ro-)Mma - AN ell JL Paia,iiount CA 110723-3146 <br /> (562- 272-2-1(10 a?� 1,562) /2- i�{J <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 9/10/02 <br /> Units ug/L <br /> Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br /> 1,1-Dlchloroethene 51 52 50 102 104 70-130 2 <br />' Benzere 52 52 50 104 104 70-130 0 <br /> Trichloroethene 46 45 50 92 90 70-130 2 <br /> Toluene 48 46 50 96 92 70-130 4 <br /> Chlorobenzene 54 52 50 108 104 70-130 4 <br /> 1 m, -X lenes 104 106 100 104 106 70-130 2 <br />�w <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits RPD <br /> I1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> I Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> m, -X lenes 0 70-130 <br /> I <br /> i <br /> f <br /> ITOTALLY DI_DICATLD TO CUSTOMER SATISFACTION <br />