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� u <br /> Sequoia 404 N Wiget Lane <br /> Walnut Creek,CA 94598 <br /> q„p Analytical (925)988-9600 <br /> FAX(925)988-9673 <br /> Gettler Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Suite J Project Number Unocal#2859 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 09-Dec-99 15 07 <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(W911614-04)Water Sampled 22-Nov-9914 28 Received 22-Nov-99 20 00 <br /> Purgeable Hydrocarbons ND 50 ug/1 1 9K30001 30-Nov-99 30-Nov-99 EPA <br /> Benzene ND 050 ~ " ^ ~ 8015WS020 <br /> Toluene ND 050 <br /> Ethylbenzene ND 050 ^ " <br /> Xylenes(total) ND 050 <br /> Methyl tert-butyl ether ND 25 ^ ^ <br /> Surrogate a,a,a-Tnfluarotoluene 107% 70-130 ^ <br /> MW4(W911614-05)Water Sampled 22-Nov-99 13 25 Received 22-Nov-99 20 00 <br /> Purgeable Hydrocarbons ND 50 ug/i 1 9K30001 30-Nov-99 30-Nov 99 EPA <br /> Benzene ND 050 " ^ ^ 8015M/8020 <br /> Toluene ND 050 - ^ <br /> Ethylbenzene ND 050 <br /> Xylenes(total) ND 050 <br /> Methyl tert-butyl ether ND 2 5 ^ . <br /> Surrogate a a a-Tnfluorotaluene 933% 70-130 <br /> MW-5(W911614-06)Water Sampled 22-Nov-9911 35 Received 22-Nov-99 20 00 <br /> Purgeable Hydrocarbons NO 50 ug/1 1 9K30001 30-Nov-99 30-Nov-99 EPA <br /> Benzene ND 050 " " ^ ^ 8015M/s020 <br /> Toluene ND 050 " <br /> Ethylbenzene ND 050 <br /> Xylenes(total) ND 050 <br /> Methyl tert-butyl ether ND 25 ^ <br /> Surrogate a,a,a-Tnfluorotoluene 107% 70-130 " <br /> Sequoia Analytical-Walnut Creek The results m this report apply to rhe swnples analymd rn accord=ce with the churn of <br /> custody document This analyncal report must be reproduced in i is ennrery <br /> mp, a tory DireOtOT Page 3 of 17 <br />