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i <br /> CALTECH Environmental Laboratories <br /> Ii QOw—ai—S /1ti a iL e ,i ar"C u-t �A 90723-3 146 <br /> r � <br /> Bae t5 2 Z7^ =;ji.0 Fax ,3,6 2) 227:-2 7 8 Q <br /> I <br /> QA/QC Report <br /> Method 8015M/8021 B <br /> Matrix Water <br /> Date Analyzed 4/5/02 <br />' Units ug/L. <br /> IPerimeters LSC LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec. Rec. <br /> I Benzene 52 50 50 104 100 70-130 4 <br /> Toluene 52 50 50 104 100 70-130 4 <br /> Eth benzene 1 57 56 50 114 112 70-130 2 <br /> I <br /> Xylenes 1 172 165 150 115 110 70-130 1 4 <br /> TPH - Gasoline 1 440 442 500 88 88 60-140 0 <br /> • LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> IRPD Relative Percent Difference of LCS and LCSD <br /> I <br /> I � <br /> I <br /> I1OTALI Y DtDICATED TO CUSIOML-R SATISFACTION <br />