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i <br /> 404 N Wlget Lane <br /> ` Sequoia Walnut Creek CA 94598 <br /> (925)9884600 <br /> (925)988-9073Analytical www sequolalabs oom <br /> Gettler Ryan,Inc -Dublin Project Tosco <br /> 6747 Sierra Court Suite I Project Number Tosco#6981 Reported <br /> Dublin CA,94568 Project Mangier Deanna L <br /> Harding 20-Oc#-0015_2_6 _ <br /> - -Total PUrgeable Hydrocarbons(C6-C12), BTEX and MTBE by DHS LUFT <br /> Sequoia Analytical -Walnut Creek <br /> Reporting <br /> Analyte Result Limn Units Dilution Batch Prepared Analyzed Method Notes <br /> MW4(W009589- M)Water Sampled 22-Sep-0012 27 Received 25-Sep-0015 30 <br /> Purgeable Hydrocarbons ND 50 ug/1 1 OJ04003 04-Oct-00 o4Oct-00 EPA <br /> 801514/8020 <br /> Benzene ND 050 „ n <br /> Toluene 10 050 <br /> Ethylbenzene ND 050 <br /> Xylenes(total) 099 050 ^ <br /> Methyl tert butyl ether ND 25 ^ ^ ^ ^ <br /> Surrogate a,a,a-Tnfluorotoluene 983% 70-130 <br /> MW-5(W009589-05)Water Sampled 22-Sep-0018 31 Received 25-Sep-0015 30 <br /> Purgeable Hydrocarbons ND 50 ug/1 1 OJ04003 04-Oct-00 04-oct-o0 EPA <br /> 8015M/8020 <br /> Benzene 074 050 <br /> Toluene 060 050 <br /> Ethylbenzene ND 050 ^ <br /> Xylenes(total) ND 050 <br /> Methyl tert-butyl ether ND 25 <br /> Surrogate a,a,a-Tnfluorotoluene 104% 70-130 N „ <br /> MW-6(W009589-06)Water Sampled 22-Sep-0011 56 Received 25-Sep-0015-30 <br /> Purgeable Hydrocarbons ND 50 ug/1 1 OJ04003 04-Oct-M 04-Oct-Oo EPA <br /> 8015M/8020 <br /> Benzene ND 050 <br /> Toluene 093 050 <br /> Ethylbenzene ND 050 <br /> Xylenes(total) 11 050 ^ ^ ^ ^ <br /> Methyl tett-butyl ether ND 25 <br /> Surrogate a,a,a-Tnfluorotoluene 990% 70-130 ^ „ <br /> 50qu0la Ana1yucal-Walnut Creek The results in Plus repots apply to rhe samples aralyzed to accordance with the chain o <br /> custody document This analytical report must be reproduced mits enorety <br /> Page 3 of 23 <br />