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CALTECH Environmental Laboratories <br />' 6814 Rosecrans Avenue. Paramount. CA 90723-3146 <br /> O Telephone: (562) 272-2700 Fax: (562) 272-2789 <br /> 1 <br /> QA/QC Report <br /> 1 <br /> Method: 8260B <br />' Matrix: Water <br /> Date Analyzed: 9115103 <br />' Units: ug/L <br />' Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec. Rec. <br /> 1,1-Dichloroethene 43 42 50 86 84 60-140 2 <br />' Benzene 58 62 50 116 124 60-140 7 <br /> Trichloroethene 52 54 50 104 108 60-140 4 <br /> Toluene 55 59 50 110 118 60-140 7 <br />' Chlorobenzene 52 57 50 104 114 60-140 10 <br /> m, -X lenes 106 109 50 106 109 60-140 3 <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-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 DLDicxrED TO CUSTOMER SATISFACTION <br />