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1551 [ndustdW Road <br /> Sequoia '��6 W72-9600 <br /> FAX(650)232-9612 <br /> 0 Analytical www u°W °°m <br /> x <br /> Gettler-Ryan/Geostrategies(l) Project. Unocal(1) Sampled 8131/00 to 9/1/00 <br /> 6747 Sierra Court,Suite j Project Number Former Unocal SS#(OI 87) Received 9/l/00 <br /> Dublin,CA 94568 Project Manager Deanna Hardin 9/18/00 <br /> Total Purgeable Hydrocarbons(C6-C12),BTEX and MTBE by DHS LUFT <br /> Sequoia Analytical-San Carlos <br /> Batch Date Date Surrogate Reporting <br /> Anal a Number Prepared Anal)2Ld Limits Limit Result Units Notes* <br /> TB-LB L009012-01 Water <br /> Purgeable Hydrocarbons as Gasoline 0090067 9113/00 9113100 Soo ND ug/l <br /> Benzene 11 0 500 ND " <br /> Toluene " " 0 500 ND " <br /> Ethylbenzene n n n 0 500 ND " <br /> Xylenes(total) 0 500 ND " <br /> Methyl tent-butyl ether 5 00 350 " <br /> Surrogate a,a,a-Tnfluorotoluene " " 700-130 106 % <br /> U-1 L009012-02 Water <br /> Purgeable Hydrocarbons as Gasoline 0090060 9112100 9113100 Soo ND U94 <br /> Benzene " " " 0 500 ND „ <br /> Toluene ff0 500 ND " <br /> Ethvlbcnzene " " 0 500 ND " <br /> (total) n n " 0 500 ND " <br /> 1 tert-butyl ether n n n 5 00 ND " <br /> Surrogate a,a,a-Tri}luorotoluene 700-130 111 % <br /> U-2 L009012-03 Water <br /> Purgeable Hydrocarbons as Gasoline 0090060 9/12/00 9/13MO 500 ND ug/l <br /> Benzene 0 500 ND " <br /> Toluene 0 500 ND " <br /> Ethylbenzene n n n 0 500 ND " <br /> Xylenes(total) " 0 500 ND <br /> Methyl tert-butyl ether 500 ND " <br /> Surrogate a,a,a-Trrfluorotoluene 700-130 109 % <br /> U-3 L009012-04 Water <br /> Purgeable Hydrocarbons as Gasoline 0090066 9/13100 9/13/00 5000 12300 ug/l 1 <br /> Benzene n n n 500 393 " <br /> Toluene 500 65.6 " <br /> Ethylbenzene " 500 1440 " <br /> Xylenes(total) 500 1600 " <br /> Methyl tert-but Ll ether " 500 ND " <br /> Surrogate a,a,a-Trifluorotoluene " 700-130 106 % <br /> U-4 L009012-05 Water <br /> Purgeable Hydrocarbons as Gasoline 0090066 9113/00 9/13/00 Soo ND ug/1 <br /> Benzene " 0 500 ND " <br /> Toluene 0 500 ND " <br /> Eth lbenzene 0 500 ND " <br /> (total) 0 500 ND " <br /> Sequoia Analytical-San Carlos *Refer to end of reportfor text of notes and deftnthons <br /> Page 2 of 19 <br />