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4D (92Sequoia 404 N , CA Lane <br /> Walnut Creek, CA 9459$ <br /> 4QF Analytical <br /> 5) 988-9600 <br /> FAX(925) 988-9673 <br /> Gettler Ryan,Inc -Dublin Project Unocal <br /> x <br /> 6747 Sierra Court Suite J Project Number Unocal#0187 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 09-Mar-00 1044 <br /> Total Purgeable Hydrocarbons (C6-C12), BTEX and MTBE by DHS LUFT <br /> v Sequoia Analytical -Walnut Creek <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> NP-1-111 (WO02567-13)Water Sampled 23-Feb-0013 31 --Received 24-Feb-0013 05 z w- M P-02 <br /> Purgeable Hydrocarbons 200 50 ug/1 l 00O2002 03-Mar-00 03-Mar-00 EPA <br /> 8015M/8020 <br /> Benzene 8 9 0 50 <br /> Toluene 0 52 0 50 <br /> Ethylbenzene 0 52 050 " <br /> Xylenes(total) ND 0 50 <br /> Methyl tert-butyl ether 3 4 2 5 " <br /> Surrogate aa a-Tnfluototoluene 112 % 70-130 " <br /> NP-2-22(W002567-14)Water Sampled 23-Feh-0011 41 Received 24-Feb-00 13 05 P-04 <br /> Purgeable Hydrocarbons 1700 500 ug/! 10 00O2001 02-Mar-00 02-Mar-00 EPA <br /> 8015M/8020 ' <br /> Benzene 15 5 0 " <br /> Toluene ND 5 0 <br /> Ethylbenzene ND 5 0 <br /> Xylenes(total) - - - 10 5 0 <br /> Methyl tert-butyl ether 35 25 " <br /> Surrogate a aa-Tnfluorotoluene 102% 70-130 ' 11 <br /> NP-2-60(WO02567-15)Water Sampled 23-Feb-0012 26 Received 24-Feb-00 13 05 P-01 <br /> Purgeable Hydrocarbons"— --- — 15000—"""-10000—ug/l--"- 200�--4C01003" 01-MaF-00-01=Mai-00�- EP—A------ <br /> 8015M/8020 <br /> PA8015M/8020 <br /> —Benzene-- - - - -- -- --- - <br /> ----4200- _. _-- 100 <br /> Toluene 430 100 ^ " <br /> Ethylbenzene - - 990 -T-'- 100 - <br /> Xylenes (total) 1200 100 <br /> Methyl tert-butyl ether ND 500 <br /> Surrogate a,a,a-Tnfluorotoluene 997% 70-130 " <br /> Sequoia Analytical-Walnut Creek The results in this report apply to the samples analyzed in accordance with the chain <br /> custody document This analytical report must be reproduced in its entire <br /> Page 6 of 22 <br />