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I <br /> CALTECH Environmental Laboratories <br /> • 68Rosecran,, Avenuc Nian,ount (-A 907)3-; 146 <br /> Tele14phone (562) 272-2700 F,—, (56-_2) 272-2- 89 <br /> QA/QC Report <br /> 1 <br /> Method 8260B <br />' Matrix Soil <br />' Date Analyzed 8/6/04 <br /> Units ug/Kg <br />' Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br />' 1,1-Dichloroethene 48 52 50 96 104 60-140 8 <br /> Benzene 42 40 50 84 80 60-140 4 <br /> Trichloroethene 45 49 50 90 98 60-140 2 <br />' Toluene 46 48 50 92 96 60-140 4 <br /> Chlorobenzene 42 45 50 84 90 60-140 6 <br /> rn, -X lenes 91 85 100 94 85 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 Blank Limits RPD <br /> 1,1-Dfchloroethene 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,la-X lanes 0 70-130 <br /> I <br /> 1 <br /> f ; iSATISFACTION <br /> T4 I'ALI�Y �)I-DIt A LD ��) C l S1 C)MLF'� <br />