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t Lane <br /> Sequoia Walnu�eekwCA 94 98 <br /> 4 (925)988-9600 <br /> Analytical FAX(925) 988-9673 <br /> 7Du <br /> ttler Ry an/Geostrategies-Dublin Project Unocal <br /> 47 Sierra Court Suite J ProtectNumber Former Unocal SS#0187 Reported <br /> bLn CA,94568 Project Manager Deanna L Harding 03-Sep-99 10 23 <br /> Total Purgeable Hydrocarbons (C6-C12) and BTEX by DHS LUFT <br /> Sequoia Analytical -Walnut Creek <br /> Reporting <br /> Analyte Result Lout Units Dilution Batch Prepared Analyzed Method Notes <br /> U4(W908425-05)Water Sampled 20-Aug-9911 45 Received 20-Aug-99 17 00 <br /> Purgeable Hydrocarbons ND 50 ug/l 1 9I0I010 31-Aug-99 31-Aug-99 DHS LUFI' <br /> Benzene ND 050 <br /> Toluene ND 050 " <br /> Ethylbenzene ND 050 " <br /> Xylenes(total) ND 0 50 <br /> Surrogate aa a-Tnfluorotoluene 867% 70-130 <br /> U-5 (W908425-06)Water Sampled 20-Aug-99 09 50 Received 20-Aug-99 17 00 <br /> Purgeable Hydrocarbons ND 50 ug/l 1 9I01010 31-Aug-99 31-Aug-99 DHS LUFI' <br /> Benzene ND 050 It " <br /> Toluene ND 0 50 n " <br /> Ethylbenzene ND 0 50, " <br /> Xyleneh(total) ND 050 " <br /> Surrogate a a a-Tnfluorotoluene 900% 70-130 <br /> 6 (W9118425-07)Water Sampled 20-Aug-99 10 18 Recened 20-Aug-99 17 00 <br /> Wze,ible Hydro(-arbon� ND 50 ug/l 1 9101010 31-Aug-99 31-dug-99 DHS LUF'T <br /> Benzene ND 050 " ' <br /> Toluene ND 050 ItI I " <br /> Ethylbenzene ND 0 50 » " <br /> XyleneN(total) ND 050 <br /> Surrogate a,a a-Tnfluorotoluene 100% 70-130 " <br /> U-7(W908425-08)Water Sampled 20-Aug-99 11 15 Received 20-Aug-99 17 00 <br /> Purgeable HydrOLarbons ND 50 ug/l 1 9101010 31-Aug-99 31-Aug-99 DHS LUFT <br /> Benzene ND 050 " <br /> Toluene ND 050 <br /> Ethylbenzene ND 050 " <br /> Xylenes(total) ND 050 " <br /> Surrogate a a a-Tnfluorotoluene 86 -% 70-130 <br /> Sequoia Analytical-Walnut Creek The nesulu in Ila r report apply to Ilia sdanples arraly_ed i n cccordfmce with the churn of <br /> custody document Thus analytical mport must be reproduced in its entirely <br /> 7u � L <br /> jai a eb ey, oiecL area c7 Pogo 3 of 5 <br />