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s <br /> 1 <br /> CALTECH Environmental Laboratories <br />' 68l-1 Rcsccra�is ,avenue P,-rai,zf,)i;rt CA 90723-3 146 <br /> Telephony ,�62� 2-72--,71," <br /> • U t=ax ,562) 272-2789 <br /> QA/QC Report <br /> 1 <br /> Method 8260B <br />' Matrix Water <br /> Date Analyzed 10/17/03 <br />' Units ug/L <br />' Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Ree <br />' 1,1-Dichloroethene 48 43 50 96 86 60-140 10 <br /> Benzene 47 45 50 94 90 60-140 4 <br /> Trichloroethene 46 40 50 92 80 60-140 13 <br />' Toluene 55 50 50 110 100 60-140 10 <br /> Chlorobenzene 59 56 50 118 112 60-140 6 <br /> m, -X lenes 124 120 100 124 120 60-140 4 <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 1,1-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, -X lenes 0 70-130 <br /> 1 <br />' <br /> TOTALLY DEDICATED TO CUSTOMLR SATISFACTION <br />