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u <br /> Sequoia 404 N Wiget Lane <br /> Walnut Creek CA 94598 <br /> (925) 988-9600 <br /> %p Analytical <br /> FAX(925) 988-9673 <br /> Gettler Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Suite J Project Number Unocal#2859 Reported <br /> Dubhn CA,94568 Project Manager Deanna L Harding_ 09-Dec-9915 07 <br /> Total Purgeable Hydrocarbons (C6-Cl2), BTEX and MTBE by DHS LUFT <br /> Sequoia Analytical -Walnut Creek <br /> Reporting <br /> Analyte Result Lumt Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-9(W911614-10)Water Sampled 22-Nov-99 12 45 Received 22-Nov-99 20 00 = <br /> Purgeable Hydrocarbons ND 50 ug/1 1 9L02001 Ol-Dec-99 01-Dec-99 EPA <br /> Benzene ND 050 " " " ^ 8015W8020 <br /> Toluene ND 050 Ip <br /> Ethylbenzene ND 050 <br /> Xylenes(total) ND 050 <br /> Methyl tert-butyl ether 31 25 " <br /> Surrogate a,a,a-Tnfluorotoluene 110% 70-130 <br /> MW-10(W911614-11)Water Sampled 22-Nov-99 16 58 Received 22-Nov-99 20 00 P-01 <br /> Purgeable Hydrocarbons 98000 10000 ugR 200 9LO2001 01-Dec-99 01-Dec-99 EPA <br /> Benzene 6800 100 8015M/8020 <br /> Toluene 46000 100 <br /> Ethylbenzene 3300 100 " <br /> Xylenes(total) 24000 100 " <br /> Methyl tert-butyl ether ND 500 . <br /> Surrogate a a a-Tnfluorotoluene 107% 70-130 " <br /> NP-1 (W911614-12)Water Sampled 22-Nov-99 15 05 Received 22-Nov-99 20 00 P-01 <br /> Purgeable hydrocarbons 260 100 ug/l 2 9LO2001 01-Dec-99 01-Dec-99 EPA <br /> Benzene 3 0 10 " ^ ^ 8015M/8020 <br /> Toluene ND 10 <br /> Ethylbenzene ND 10 <br /> Xylenes(total) 3 9 10 " <br /> Methyl tert-butyl ether ND 5 0 " <br /> I <br /> Surrogate a,a,a-Tnfluorotoluene 103 % 70-130 " <br /> i <br /> i <br /> Sequoia Analytical-Walnut Creek The results to tins reportapply to the samples analyzedrn accordance with the churn of. <br /> custody document Vus analytical report must be reproduced in in ent;rety <br /> A a �tolr�e,-tor Page 5 of 17 <br />