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CALTECH Environmental Laboratories <br /> 6814 Roseenins Avemic:, Nron)(3wil. CA 90723 1,1€, <br /> �J Telephone: (52) 272-2700 j=n.�_ ( �(��} '72.2' 7Rc) <br /> ' QA/QC Report <br /> ' Method: 8260E <br /> Matrix: Water <br /> Date Analyzed: 8/19105 <br /> ' Date Extracted: 8/19/05 <br /> Perimeters Conc. u /L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec. RPD <br /> 1,1-Dichloroethene 48 46 50 96 92 70-130 20 4 <br /> ' Benzene' 50 49 50 100 98 70-130 20 2 <br /> Trichloroethene 54 50 50 108 100 70-130 20 8 <br /> Toluene 55 51 50 110 102 70-130 20 8 <br /> ' Chlorobenzene 46 44 50 92 88 70-130 20 4 <br /> m,p-X lenes 108 101 100 108 101 70-130 20 7 <br /> 10 LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> ' Perimeters Method Units Det. <br /> Blank Limit <br /> 1,1-Dichloroethene ND u IL 1 <br /> ' Benzene ND u 1L 0.5 <br /> Trichloroethene ND ug/L 0.5 <br /> Toluene ND u IL 0.5 <br /> Chlorobenzene IND ug/L 0.5 <br /> m, -X lenes ND ug/L 0.6 <br /> MTBE ND ug/L. 1 <br /> TBA ND ug/L 10 <br /> ' DIPE ND u IL 1 <br /> ETBE ND u IL 1 <br /> TAME ND ug/L 1 <br /> ' 1,2-Dichloroethane ND ug/L. 0.5 <br /> EDB ND ug/L. 0.5 <br /> Ethylbenzene ND u IL 0.5 <br /> ' orTC6 <br /> X lene ND u IL 0.6 <br /> E ND u IL 1 <br /> E ND u IL 1 <br /> l'O'lAi.LY" 1)FDI('/VIT1) TO f_'U'ST()!1]1'.R SATISFACTION <br />