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Sequoia 444 N.what 18 <br /> . Walnut Creek,CA 9459598 <br /> 4 (925)988-9600 <br /> �4D_ Analytical FAX (925)988-9673 <br /> Gettler Ryan,Inc. -Dublin Project: Unocal <br /> 6747 Sierra Court Suite 7 Project Number: Unocal#0788 Reported: <br /> Dublin CA,94568 Project Manager: Deanna L.Harding 05-Dec-99 09:44 <br /> Total Purgeable Hydrocarbons (C&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 /> U-3 (W911254-04)Water Sampled: 08-Nov-99 11:15 Received: 09-Nov-99 15:20 <br /> Purgeable Hydrocarbons ND 50 ug/l 1 9K13002 13-Nov-99 13-Nov-99 EPA <br />;—Benzene ND 0.50 80151v1/8020 <br /> Toluene ND 0.50 <br /> Ethylbenzene ND 0.50 " <br /> Xylenes(total) ND 0.50 " <br /> Methyl tert-butyl ether ND 2.5 " <br /> Surrogate:a,a,a-Tr_i luorotoluene 110% 70-130 " <br /> U-5 (W911254-05)Water Sampled: 08-Nov-99 11:23 Received: 09-Nov-99 15:20 <br /> Purgeable Hydrocarbons ND 50 ug/l 1 9KI3002 13-Nov-99 13-Nov-99 EPA <br /> Benzene ND 0.50 " 8015M/8020 <br /> Toluene ND 0.50 " <br /> Ethylbenzene ND 0.50 <br /> Xylenes(total) ND 0.50 <br /> Methyl tert-butyl ether ND 2.5 <br /> Surrogate:a,a,a-Tr-ifluorotoluene 103 % 70-130 <br /> U-6 (W911254-06)Water Sampled: 08-Nov-99 11:30 Received: 09-Nov-99 15:20 <br /> Purgeable Hydrocarbons ND 50 ug/1 1 9KI3002 13-Nov-99 13-Nov-99 EPA <br /> Benzene ND 0.50 801SIv1I8o20 <br /> Toluene ND 0.50 " <br /> Ethylbenzene ND 0.50 <br /> Xylenes(total) ND 0.50 " <br /> Methyl tent-butyl ether ND 2.5 <br /> Siurogale:a,a,a-Triuorotohrene 107% 70-1.30 <br /> Sequoia Analytical-Walnut Creek The results in this report apply to the samples mmalyzed in accordance with the chain of <br />— ---- ------ — - ---— ------ -- -- <br /> ---_--custody docurnent,-This aralytical-report-must be-reproduced in its enrirety.—- - <br /> Julianne Fegley, Project Manager page 3 of 8 <br />