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Sequoia CA 404 N Lane <br /> Walnut Creek CA 94598 <br /> 4 41) (925)988-9600 <br /> 4„) Analytical FAX` qu alabs c 73 <br /> www sequokalaUs com <br /> Gettler Ryan, Inc -Dublin Project Chevron <br /> 6747 Sierra Court Suite J Project Number Chevron#9-8264 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 06-Aug-01 09 54 <br /> Total Purgeable Hydrocarbons (C6-C12), BTEX and MTBE by DHS LUFT <br /> Sequoia Analytical - Walnut Creek <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-3(W107327-04)Water Sampled 18-Jul-01 17 16 Received 19-Jul-01 10 00 <br /> Purgeable Hydrocarbons ND 500 ug/I 10 IG26002 30-Jul-01 30-Jui-OI EPA <br /> 8015M/8020 <br /> Benzene ND 5 0 " <br /> Toluene ND 5 0 " <br /> Ethylbenzene ND 5 0 1 <br /> Xylenes(total) ND 50 " <br /> Methyl tert-butyl ether 2900 25 zCC-3 <br /> Surrogate a a a-Trifluorotoluene 104 % 70-130 <br /> MW4(W107327-05)Water Sampled 18-Jul-01 17 46 Received 19-Jul-01 10 00 <br /> Purgeab€e Hydrocarbons 28000 2500 ug/1 50 1G26002 30-Jut-01 30-Jul-01 EPA P-01 <br /> 8015M/8020 <br /> Benzene 160 25 " <br /> Toluene 1300 25 " <br /> Ethylbenzene 940 25 " <br />*enes(total) 4400 25 <br /> thy[tert-butyl ether 860 120 zCC-3 <br /> Surrogate a a a-Tnfluorotoluene _ 102 % 70-130 <br /> Sequoia Analytical - Walnut Creek The results in this report apply to the samples analyzed to accordance with the chain of <br /> custody document This analytical report must be reproduced in its entirety <br /> Page 3 of 24 <br />