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Carlos, <br /> Industrial Woad <br /> 1 4 (650) Z32-%M <br /> I)— Sequoia <br /> San Carlos,CA 94070-4111 <br /> Analytical FAX(650) 232-9612 <br /> Getty-RyanlGeostrategies Project Tosco Sampled 4110100 <br /> 6747 Sierra Court,Suite D Project Number Unocal SS#1205 Received 4110/00 <br /> Dublin,CA 94568 Pro ect Manger Deanna Harding Reported 4124100 <br /> Sample Description: P4W-3 <br /> Laboratory Sample Number: L004097-04 <br /> Batch Date Date Specific Method/ Reporting <br /> Anal Number Prepared Analyzed Surrogate Limits Limit Result Units Notes' <br /> Sequoia Analytical-San Carlos <br /> Total Purizeable Hydrocarbons C6-C12 BTEX and MTBE by DHS LUFT <br /> Purgeable Hydrocarbons as Gasoline 0040089 4/18/00 4/19100 250 Z2S0 ug/1 2 <br /> Benzene OR IS 250 9.60 " <br /> Toluene " OR250 ND " <br /> Etbylbenzene TO <br /> 2 50 98.2 " <br /> Xylenes(total} 2 50 45A " <br /> OR oMethyl tert-butyl ether 25 0 ND <br /> Surrogate a,a,a-Tnfluorotoluene MR700-130 962 % <br /> Volatile OLrganic Compounds by EPA Method 8260A <br /> Ethanol 0040056 4112100 4112100 1000 ND ug/1 <br /> Di-isopropyl ether n n n 200 ND " <br /> tert-butyl ether 200 ND " <br /> AM <br /> tat butyl ether OROR " 200 ND " <br /> Tat-amyl methyl ether " n n 2 00 ND OR <br /> Tart butyl If <br /> alcohol 100 ND It <br /> 1,2-Dichloroethane-d4 " 760-114 103 % <br /> Sequoia Analytical-San Carlos "Refer to end of report for test of notes and definitions <br /> Page 5 of 11 <br />