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Sequoia an nal Road <br /> San Carlos <br /> Cq 94070 <br /> lowFAX 00 Analytical (650)232-96(650)232-961212 <br /> Www sequoialabs corn <br /> Gettler-Ryan/Geostrategies(1) Project Tosco(1) <br /> 6747 Sierra Court,Suite J Project Number Tosco(former BP)#11192, Stockton Reported <br /> Dublin CA,94568 Project Manager Deanna Harding 03/01/02 13 39 <br /> Total Purgeable Hydrocarbon (C6-C12) by EPA 8015M and BTEX/MTBE by EPA 8021B <br /> Sequoia Analytical - San Carlos <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-7(L202098-07)Water Sampled 02/18/02 17 00 Received 02/19/02 07 40 <br /> Purgeable Hydrocarbons as Gasoline 140 100 ug/I 2 2020063 02/20/02 02/21/02 EPA 8021B P-01 <br /> Benzene 11 1 0 " <br /> Toluene ND 10 <br /> Ethylbenzene ND 10 <br /> Xylenes(total) ND 1 0 <br /> Methyl tert-butyl ether 1700 50 10 02/20/02 M-04 <br /> Surrogate a,a,a-Trifluorotoluene 981 % 70-130 " 02121101 " <br /> MW-8(L202098-08)Water Sampled 02/18/02 11 00 Received 02/19/02 07 40 _ <br /> Purgeable Hydrocarbons as Gasoline ND 50 ug/1 I 2020063 02/20/02 02/21/02 EPA 8021E . <br /> Benzene ND 050 <br /> Toluene ND 050 <br /> Ethylbenzene ND 050 <br /> Xylenes(total) ND 050 <br /> Methyl tert-butyl ether ND 5 0 <br /> Surrogate a a,a-Trifluorotoluene 956% 70-130 <br /> MW-9(1-202098-09)Water Sampled 02/18/02 12 15 Received 02/19/02 07 40 _ <br /> Purgeable Hydrocarbons as Gasoline ND 50 ug/I 1 2020063 02/20/02 . 02/21/02 EPA 8021E <br /> Benzene ND 050 <br /> Toluene ND 050 <br /> Ethylbenzene ND 050 " <br /> Xylenes(total) ND 050 <br /> Methyl tert-butyl ether ND 5 0 " ^ <br /> Surrogate a,a,a-Trtfluorotoluene 902% 70-130 " <br /> Sequoia Analytical - San Carlos The results in this repo t apply to the samples analyzed in accordance with the chat <br /> custody document This analytical report must be reproduced in its entirety <br /> Page 4 of 14 <br />