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CALTECH Environmental Laboratories <br /> 6814 Rosecrans Avenue, ParannoL:n€. CA 90723-3146 <br /> Telephone: (562) 272-2100 Fax62) 272-,789 <br /> i <br /> QA/QC Report <br /> Method: 8015M /8021 B <br /> ' Matrix: Water <br /> Date Analyzed: 7/18/03 <br /> Units: ug/L <br /> ' Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec. Rec. <br /> Benzene 47 45 50 94 90 _ 70-130 4 <br /> Toluene 45 44 50 90 88 70-130 2 <br /> nth benzene 45 44 50 90 88 70-130 2 <br /> Xylenes 139 126 1 150 1 93 1 84 70-130 10 <br /> ' TPH - Gasoline 1016 1010 1 1000 1 102 1 101 60-140 1 <br /> ' LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> ' RPD: Relative Percent Difference of LCS and LCSD <br /> 1 ' <br /> 1 <br /> 1 <br /> I <br /> ' TOTALLY I3I:DIC'AI'1 D TO CUSTOMER S�-TISI~ACTION <br />