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CALTECH Environmental Laboratories <br /> O6814 Rosecrans Avenue, Paramount. CA 90723-3146 <br /> Telephone: (562) 272-2700 Fax: (562) 272-2789 <br /> QA/QC Report <br /> I <br /> Method. 8260B <br />' Matrix: Water <br /> Date Analyzed: 6/15/03 <br />' Units: ug/L <br />' Perimeters LCS LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec. Rec. <br />' 1,1-Dichloroethene 52 �47 50 104 94 60-140 10 <br /> Benzene 47 44 50 94 88 60-140 6 <br /> Trichloroethene 53 53 50 106 106 60-140 0 <br /> Toluene 50 48 50 100 96 60-140 4 <br /> Chlorobenzene 50 46 50 100 92 60-140 8 <br /> m, -X lenes 1 108 97 100 108 97 60-140 10 <br /> LCS: Laboratory Control Standard <br /> 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 />' Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br />' m,p-X ienes 0 70-130 <br /> • <br /> TOTALLY DEDICNI'I D TO CUSTOMER sATISFACTION <br />