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r <br /> CALTECH Environmental Laboratories <br /> r O6814 Rosecrans Avc iue Paiar imint CA 90723-3146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> r QA/QC Report <br /> rMethod 82608 <br /> rMatrix Water <br /> Date Analyzed 4129104 <br /> rUnits ug/L <br /> rPerimeters LCS LCSD I Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br /> 1,1-Dichloroethen e 46 50 50 92 100 60-140 9 <br /> r Benzene 48 52 50 96 104 60-140 8 <br /> Trichloroethene 52 51 50 104 102 60-140 2 <br /> Toluene 48 48 50 96 96 60-140 0 <br /> r Chlorobenzene 54 56 50 108 112 60-140 4 <br /> m, -X lenes 104 106 100 104 106 60-140 2 <br /> r ! <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> rRPD Relative Percent Difference of LCS and LCSD <br /> r <br /> Perimeters Blank Limits RPD <br /> r1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> r Tnehloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> m,p-Xylenes 0 70-130 <br /> r <br /> r <br /> r <br /> rTOTALLY DLDICAI I I) 1-0 CIJS`IOMER SATISFACTION <br />