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CALTECH Environmental Laboratories <br />' 6514 Rosecrans Avenue, Parariaunt, CA 90 723-3 146 <br /> • O Telephcne: (1562) 2721-.2,100 Fax: (562) 272-2759 <br /> 1 <br /> QA/QC Report <br /> Method: 8260B <br /> Matrix: Soil <br /> Date Analyzed: 10/21/03 <br />' Units: ug/Kg <br />' Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> _ Added Rec. Rec. <br />' 1,1-Dichloroethene 45 42 50 90. 84 60-140 6 <br /> Benzene 48� 45 50 96 90 60-140 6 <br /> Trichloroethene 48 43 50 96 86 60-140 10 <br /> Toluene 49 47 50 98 94 60-140 4 <br /> Chlorobenzene 46 44 50 92 88 60-140 4 <br /> rn, -X lenes 108 96 100 108 96 60-140 11 <br />� i <br /> LCS: Laboratory Control Standard <br /> tLCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> Perimeters I 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,p-X lenes 0 70-130 <br /> 1 . <br /> TO f--ALLY DEDICA FED T'O CUSTOMER SATISFACTION <br />