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CALTECH Environmental Laboratories <br /> O 6814 Rosecrans AVCl1LIC NIdnlOnnt C A 90723-3146 <br /> • Telephone (562) 272-2700 (-)62) 272-2789 <br /> QA/QC Report <br /> Method 8015M 18021 B <br /> Matrix Water <br /> Date Analyzed 1016104 <br /> Units ug/L <br /> Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br /> Benzene 46 47 50 92 94 70-130 2 <br /> Toluene 46 47 50 92 94 70-130 2 <br /> Eth benzene 49 50 50 98 100 70-130 2 <br /> Xylenes 1 142 148 150 1 95 1 99 70-130 4 <br /> TPFJ - Gasoline 1 1072 1096 1000 1 107 1 110 60-140 3 <br /> LCS: Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> I <br /> I <br /> I <br /> ITO rAI-I Y DEDIC ATIi-I) FO CUS-I OMLR SATISI-ACTION <br />