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Sequoia los Industrial Road <br /> San Carlos CA 94070-4111 <br /> Analytical (650) 232-9600 <br /> FAX(650) 232-9612 <br /> �i <br /> Blaine Tech Services Project Shel](2) Sampled 6121199 <br /> 1680 Rogers Avenue Project Number Shell 341 East Main St,Ripon/99062 I R-I Received 6/23/99 <br /> San Jose,CA 951 t2 Project Manager Ann Pember R orted 7/8/99 <br /> Sample Description MW-1 <br /> Laboratory Sample Number L906298-01 <br /> - Batch - Date Date -Specific Method/ Reporting <br /> lAnalyte Number Prepared Analyzed Surrogate Limits Limit Result Units Notes* <br /> Sequoia Analytical-San Carlos <br /> Total Purgeable Hydrocarbons(C6-C12),BTEX and MTBE by DHS LUFT <br /> Purgeable Hydrocarbons as Gasoline 9060153 6/28/99 6129/99 20000 ND ug/1 <br /> Benzene 9060151 6/27199 6/27/99 100 ND it <br /> Toluene it It it100 ND " <br /> Ethylbenzene " " " 100 ND " <br /> Xylenes(total) it if to 100 ND 11 <br /> _Methyl tert-butyl ether 9070001 7/1/99 7/1/99 25000 105000 " <br /> Surrogate a,a,a-Trifluorotoluene 9060151 6/27/99 6/27/99 700-130 _ 83 6 % <br /> MTBE by EPA Method 8260A 2 <br /> Methyl tert-butyl ether 9070007 7/6/99 7/6/99 10000 70500 Ug/1 <br /> Surrogate 1,2-Dieh1oroethane-d4 760-114 100 % <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definitio <br /> Page 2 of 6 <br />