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CALTECH Environmental Laboratories <br /> O6814 Rosecrans Avenge Pu an-iount C A 9072 -3146 <br /> Telephone (562) 272-2700 Fax (502) 2 72-2789 <br /> QA/QC Report <br /> ' Method <br /> 8260B <br /> ' Matrix Water <br /> Date Analyzed 1015104 <br /> 1 Units ug/L <br /> Perimeters LCS LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec Rec <br /> 1,1-Dichloroethene 49 47 50 98 94 60-140 4 <br /> Benzene 48 48 50 96 96 60-140 0 <br /> Trichloroethene 50 51 50 100 102 60-140 2 <br /> Toluene 52 55 50 104 110 60-140 6 <br /> ' Chlorobenzene 54 56 50 108 112 60-140 4 <br /> m,p-X lenes 108 114 100 108 114 60-140 6 <br /> LCS Laboratory Control Standard <br /> ' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> 1 <br /> Perimeters i 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 /> TOTALLY D1-DIC Al r D FO C US I OMER SATISFACTION <br />