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1 <br /> CALTECH Environmental Laboratories <br /> O6814 Rosecians Avenue Paianionnt CA 90723-3146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br /> ' Matrix Water <br /> ' Date Analyzed 10/12/04 <br /> Units ug/L <br /> ' Perimeters LSC LCSD i Spike LCS% LCSD % Limits RPD <br /> Added Rec Rec <br /> 1,1-Dichloroethene 46 47 50 92 94 60-140 2 <br /> Benzene 52 50 50 104 100 60-140 4 <br /> Trichloroethene 45 46 50 90 92 60-140 2 <br /> ' Toluene 51 52 50 102 104 60-140 2 <br /> Chlorobenzene 51 51 50 102 102 60-140 0 <br /> m, -X lenes 113 114 100 113 114 60-140 1 <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 /> TOTALLY DEDICAI'LD 1-0 CUS"I OMER SARSFACTION <br />