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qi <br /> Sequoia N wlA Lane <br /> - ,!D— <br /> -- - - _-- - — -_ - _ - = s= - Y --- —_ Walnut Creek CA 94598 <br /> =>-=�_-- - z wT �.�_ - w _ (925) 988->GM__ <br /> �, Analytical FAX(925)988-9673 <br /> 0 <br /> Gettler Ryan,Inc -Dubhn Project Unocal <br />_ 6747 Sierra Court Suite J Project Number Unocal#15886 Reported <br /> Dublin CA,9456$ Protect Manager Deanna ffHEFrduig 16=Dec-99 09 Ol <br /> Total Purgeable Hydrocarbons (C6-C12), BTEX and MTBE by DHS LUFT <br /> Sequoia Analytical - Walnut Creek <br /> Reporting <br /> Analyte Result Lutut Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-lOS(W912007-19)Water Sampled 29-Nov-99 12 28 Received 30-Nov-99 19 05 <br /> Purgeable Hydrocarbons ND 50 ug/1 1 9LO7002 07 Dec-99 07-Dec-99 EPA <br /> Benzene ND 050 8015MI8020 <br /> Toluene ND 050 " <br /> Ethylbenzene ND 050 " <br /> Xylenes(total) ND 050 " <br /> Methyl tert-butyl ether 56 25 " <br /> Surrogate a,a a-Tnfluorotoluene 933% 70-130 <br /> MW-101(W912007-20)Water Sampled 29-Nov-99 12 50 Received 30-Nov-99 19 05 <br /> Purgeable Hydrocarbons ND 50 ug/1 1 9LO7002 07-Deo-99 07-Dec-99 EPA <br /> Benzene ND 050 " 8015M18020 <br /> Toluene ND 050 <br /> Ethylbenzene ND 050 <br /> Xylenes(total) ND 050 . <br /> Methyl tert-butyl ether 18 2 5 " <br /> Surrogate a,a,a-Trtfluorotoluene 100% 70-130 " <br /> MW-IOD(W912007-21)Water Sampled 29-Nov-99 13 18 Received 30-Nov-99 19 05 <br /> Purgeable Hydrocarbons ND 50 ug/l 1 9U7002 07-Deo-99 07-Dec-99 EPA <br /> Benzene ND 050 „ „ " 1. 118015M/8020 <br /> Toluene ND 050 <br /> Ethylbenzene ND 050 <br /> Xylenes(total) ND 050 " <br /> Methyl tert-butyl ether 21 25 " <br /> Surrogate a,a,a-Tri luorotoluene 103% 70-130 " <br /> Sequoia Analytical-Walnut Creek The results in this report apply to the samples analyzed i n ewcordamce with the ckmn of <br /> cuslody document Tins analytical report must be reproducedin its entirety <br /> u anne eg ey, oject anagen <br /> Page 8 of 27 <br />