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CALTECH Environmental Laboratories <br /> O6814 Rosecrans Avenue Paiai110unt CA 90723-3146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> 1 <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Sol] <br />' Date Analyzed 4112104 <br /> Units ug/Kg <br /> 1 Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br /> 1 1,1-Dichloroethene 41 40 50 82 80 60-140 2 <br /> Benzene 45 42 50 90 84 60-140 6 <br /> Trichloroethene 46 43 50 92 86 60-140 6 <br /> 1 Toluene 45 42 50 90 84 60-140 6 <br /> Chlorobenzene 51 45 50 102 90 60-140 12 <br /> m, -Xylenes 93 86 100 93 J-86 60-140 8 <br /> li <br /> LCS Laboratory Control Standard <br /> 1 LCSD Laboratory Control Standard ©uplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> I <br /> 1Perimeters 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 /> I <br /> I <br /> TOT,AI I Y DFI)I( Art I) r() Cl J'�TI )MFR SATISF4CTION <br />