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I <br /> ustrial <br /> Sequoia los, A 94070-4111 <br /> 4070 Road <br /> San Carlos,CA 94070-41 1 i <br /> 4 (655-0)(DAnalytical <br /> FAX(650?223Z-9612 <br /> Gettler-Ryan/Geostrategies Project Tosca Sampled. 4110100 <br /> 6747 Sierra Court,Suite D Project Number Unocal SS##1205 Remved. 4110100 <br /> Dublm,CA 94568 Project Manager Deanna Harchng BT2rted 4124100 <br /> MT ti <br /> 0 8bMW a <br /> D <br /> Date Spike Sample QC Reporting Limit Reocv RPD RPD <br /> Anal <br /> Analyzed Level Result Result Units Recov Lumts % Limit % Notes* <br /> LCS(Continoeril 0040089-BS2 <br /> Surrogate a,a,a-Tnfluorotoluene 4/1"0 100 109 u9/1 700-130 109 <br /> Matrix Spike 0040089-MS1 L004061-04 <br /> Benzene 4118100 100 ND 938 u9/1 60 0-140 93.8 <br /> Toluene 100 ND 903 600-140 903 <br /> Ethylbenzene 100 ND 880 600-140 88.0 <br /> Xylenes(total) " 300 ND 263 " 600-140 87.7 <br /> Surrogate a,a,a-"uorotoluene " 100 932 700-130 932 <br /> Matrix S Ike DuR 0040089-MSD1 L004061-04 <br /> Benzene 4118100 100 ND 969 ug/l 600-140 %.9 250 3.25 <br /> Toluene 100 ND 937 600-140 93.7 250 3.70 <br /> benzene too ND 9 22 60 0.140 92.2 250 466 <br /> benzene <br /> (total) " 300 ND 278 600-140 927 250 5.54 <br /> Surrogate. a,a,a-Tnfluorotoluene 100 962 ff700-130 962 <br /> i <br /> Sequoia Analytical-San Carlos •Refer to end of report for test of notes and definitions <br /> Page 9 of 11 <br />