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i <br /> CALTECH Environmental Laboratories <br /> rel, rdho oe (w '7 7__^r,C, F"I d tJ 1-11 -1-7 -)710 <br /> QA/QC Report <br />' <br /> Method 8015M/8021 B <br />' Matrix Water <br /> Date Analyzed 12/28/01 & 12/31/01 <br />' Units ug/L <br />' Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Ree <br /> Benzene 406 421 50 81 84 70-130 3 7 <br />' Toluene 401 413 50 80 82 70-130 2 5 <br /> Eth benzene 427 439 50 85 88 70-130 3 5 <br /> Xylenes 113 118 150 75 79 70-130 1 5 3 <br />' TPH - Gasoline 446 473 500 89 95 60-140 6 7 <br /> TPH - Diesel 978 1034 1000 98 103 60-140 51 <br /> lie <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 /> 1 <br />