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CALTECH Environmental Laboratories <br /> O6814 Rosecrans Avenue, Paramounl, CA 90723-3146 <br /> Telephone: (562) 272-2700 Fax: (562) 272-2789 <br /> QA/QC Report <br /> tMethod: 8260E <br /> Matrix: Water <br /> Date Analyzed: 10/22/04 <br /> ' Units: ug/L <br /> ' Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec. Rec. <br /> 1,1-Dichloroethene 42 44 50 84 88 60-140 4 <br /> ' Benzene 46 48 50 92 96 60-140 4 <br /> Trichloroethene 48 49 50 96 98 60-140 2 <br /> Toluene 48 49 50 96 98 60-140 2 <br /> ' Chlorobenzene 45 48 50 90 96 60-140 6 <br /> m,p-X ienes 1 93 1 94 100 93 94 60-140 1 <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> ' RPD: Relative Percent Difference of LCS and LCSD <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 /> rn,p-X ienes 0 70-130 <br /> 1 <br /> 1 <br /> TOTALLY DI=DIC'ATED TO CUSTOMER SATISFACTION <br />