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CALTECH Environmental Laboratories <br /> ' <br /> 7681.4Rosectans Avenue Paianlount CA 9072 - <br /> 3 3146 <br /> hone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br />' Matrix Water <br />' Date Analyzed 9/16/04 <br /> Units ug/L <br />' Perimeters LCS LCSD <br /> Spike LCS /o LCSD /o Limas RPD <br />' <br /> 1,1-Dichloraethene 40 Added Rec Rec <br /> 41 50 80 82 60-140 2 <br /> Benzene 45 47 50 90 94 60-140 4 <br /> Trichloroethene 44 47 50 88 94 60-140 6 <br /> Toluene 43 44 50 86 88 60-140 2 <br /> Chlorobenzene 47 1 46 50 94 92 60-140 2 <br /> m,p-X lenes 86 91 100 86 91 60-140 5 <br />' LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limas RPD <br /> 1,1-Dichloroethene 0 70-130 <br />' Benzene 0 7Q-130 <br /> Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br />' m,p-X fenes 0 70-130 <br /> • <br /> TO FALL Y DLD[C A FED TO C USTOMER SATISFACTION <br />