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Sequoia 1551 Industrial Road <br /> San Carlos CA 94070-41 11 <br /> Analytical (650' 232-9600 <br /> FAX(650) 232-9612 <br /> e <br /> Blaine Tech Services Project Shell(2) Sampled 516/99 <br /> 1680 Rogers Avenue Project Number Shell 341 East Main St,990506-XI Received 5/7/99 <br /> San Jose,CA 95112 Project Manager Fran Thie Reported 5/27/99 <br /> ¢ � re aTOtal<Pttrgeable Hydrocarbons( b @12);BTE7X and MTBE°byDHL Q` ty <br /> CS �IF'Tf ua �Controll; <br /> #�p° i,-%'4' d�fa q <br /> 'W�3B2,^N <br /> '93"s- � g �` � � ..quo <br /> „ <br /> � a <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Anal a <br /> Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Batch 9050069 Date Prepared 5/15/99 Extraction Method EPA 5030E IP/T1 <br /> Blank 9050069-BLKI <br /> Purgeable Hydrocarbons as Gasoline 5/15/99 ND ug/l 500 <br /> Benzene ND 110 500 <br /> Toluene ND ti0 500 <br /> Ethylbenzene ND IF 0 500 <br /> Xylenes(total) ND 0 500 <br /> Methyl tert-butyl ether IF ND Soo _ <br /> Surrogate a,a,a-Trifluorotoluene IF 100 897 700-130 89 7 <br /> LCS 9050069-BSI <br /> Purgeable Hydrocarbons as Gasoline 5/15/99 250 281 ug/1 700-130 112 <br /> Surrogate a a a-Trifluorotoluene 100 834 700-130 83 4 <br /> Matrix Spike 9050069-MSI L905083-01 <br /> Purgeable Hydrocarbons as Gasoline 5/15/99 250 ND 273 ug/1 600-140 109 <br /> Surrogate a,a,a-Trifluorotoluene 100 862 700-130 862 <br /> Matrix Spike Dup 9050069-MSD1 L905083-01 <br /> _Purgeable Hydrocarbons as Gasoline 5/15/99-250—ND—274_ ug/1 60 0-140110-25 0-0 913 _ <br /> Surrogate a a,a-Trifluorotoluene FF100 840 700-130 840 <br /> Sequoia Analytical-San Carlos "Refer to end of report for text of notes and definitionp <br /> Page 4 of 6 <br />