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i <br /> CALTECH Environmental Laboratories <br /> IO 6814 Rosecrans Avenue Par a1�1ount C A 90723-3'46 Telephone (562) 272-!7001 Fax 1562) 2i2-2789 <br /> I QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 10/3/04 <br /> IUnits ug/L <br /> IPerimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br /> 1,1-D,chloroethene 47 44 50 94 88 60-140 6 <br /> Benzene 42 44 50 84 88 60-140 4 <br /> Trichloroethene 50 51 50 100 102 60-140 2 <br /> Toluene 51 52 50 102 104 60-140 2 <br /> Chlorobenzene 45 1 47 50 90 94 60-140 4 <br /> m, -X lenes 89 1 90 100 89 90 60-140 1 <br /> lie <br /> LCS Laboratory Control Standard <br /> I LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> i <br /> Perimeters Blank Limits RPD <br /> 1,1-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 /> rn,p-X lenes 0 70-130 <br /> I <br /> I <br /> TOTAI I Y DLDiCAILD IO CUS'10MFR SATISFACTION <br />