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'1 CALTECH Environmental Laboratories <br /> O6814 Roscc,ans Avenue i'aras,ikninL CA 90,723-3146 <br /> Telephone (562) 272-2700 t a, (562) 272-2789 <br /> 1 <br /> QA/QC Report <br /> 1 <br /> Method 8260E <br />' Matrix Vvater <br />' Date Anzi»Led 917/04 <br /> Units ug/L <br />' Penrneters LCS LCSD Spike LCS fl/a LCSD% Limits RPD <br /> Added Rec Rec <br />' 1,1-Drchloroethene 38 38 50 78 78 60-140 0 <br /> Benzene 49 45 50 98 90 60-140 8 <br /> Trichloroethene 45 48 50 90 96 60-140 6 <br />' Toluene 46 44 50 92 88 60-140 4 <br /> Chlorobenzene 49 51 50 98 102 1 60-140 4 <br /> m,p-X lenes 100 99 100 100 99 1 60-140 1 <br /> 1 <br /> LCS Laboratory Control Standard <br />' LCSD_ Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br />' Perir>Iraeters 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 />' rn,p-Xylenes 0 70-130 <br /> 1 <br /> TOTAL[ Y DEDIC '1T[ I) TO CtIS I OMER SATISFACTION <br />