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CALTECH Environmental Laboratories <br /> O6814 Rosecrans Aveoue Paran,o,int Chi 90723-3146 <br /> Teiephone (562) 272-2700 (561) 272-1789 <br /> QA/QC Report <br /> I <br /> Method 8260B <br />' Matrix Water ---- <br />' Date Analyzed 6114/04 <br /> Units ug/L <br /> Perimeters LCS LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br />' 1,1-Dichioroethene 47 49 50 94 98 60-140 4 <br /> Benzene 49 52 50 98 102 60-140 4 <br /> Trichloroethene 53 53 50 106 106 60-140 0 <br />' Toluene 55 53 50 110 106 60-140 4 <br /> Chlorobenzene 1 48 1 49 50 96 98 60-140 2 <br /> m, -X lenes 1 105 1 110 100 105 110 60-140 5 <br /> lie <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 /> 1 rn,p-X ienes 0 70-130 <br /> 1 <br /> 1 <br /> 1 <br /> i <br /> 1 701-Al 1 V ISI rZI( ,STT T) 1-0 CI1I�TfaMFR gATICFA(TION <br />