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Sequoia <br /> 1455 McDowell Blvd, North, Ste. D <br /> E'etaluma, CA 94954 <br /> (707) 792-1865 <br /> /�, <br /> 1 nal3Ttica FAX (707) 792-0342 <br /> Blaine Tech Services,Inc. Project: Chevron USA,Inc. Sampled: 2/2100 <br /> 1680 Rogers Ave. Project Number: '.39 S.Center St,Stock-ton Received. 2/7/00 <br /> San Jose, CA 95112 Project Manager: Scott Boor Reported: 2/22/00 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015MI8020M <br /> Sequoia Analytical-Petaluma <br /> Batch Date Date Surrogate Reporting <br /> Analyte Number Prepared Analyzed Limits Limit Result Units Notes* <br /> MW-5(continued) P002365-05 Water <br /> Benzene 0020366 2/15/00 2/15/00 0.500 ND ug/l <br /> Toluene 0.500 ND " <br /> Ethylbenzene 0.500 ND " <br /> Xylenes(total) 0.500 ND " <br /> Methyl tert-butyl ether _ 2.50 ND _ <br /> Surrogate: a,a,a-Trifluorotoluene 65.0-135 973 % m <br /> Surrogate: 4-Bromofluorobenzene " 65.0-135 90.0 " <br /> MW-6 P002365-06 <br /> Water <br /> Gasoline 0020366 2/15/00 2/15/00 50.0 ND ug/l <br /> Benzene 0.500 ND " <br /> Toluene 0.500 ND " <br /> Ethylbenzene 0.500 ND " <br /> Xylenes(total) 0.500 ND <br /> Wr1hyl2. <br /> 50 <br /> rogate:tort-butyl ether a,a.a-Trifluorotoluene 65.0-135 104 <br /> Surrogate.- 4-Bromofluorobenzene 65.0-135 93.7 fo <br /> MW-7 P002365-07 <br /> Water <br /> Gasoline 0020366 2/15/00 2/15/00 100 2040 ug/1 <br /> Benzene 1.00 68.6 " <br /> Toluene 1.00 4.05 " <br /> Ethylbenzene 1.00 216 " <br /> Xylenes(total) 1.00 44.1 " <br /> Methyl tent-butyl ether 5.00 ND " <br /> Surrogate: a,a,a-Trifluorotoluene 65.0-135 99,3 <br /> Surrogate: 4-Bromofluorobenzene " " " 65.0-135 101 " <br /> MW-8 P002365-08 Water <br /> Gasoline 0020366 2/15/00 2/15/00 50.0 ND ug/l <br /> Benzene 0.500 ND " <br /> Toluene 0.500 ND " <br /> Ethylbenzene " <br /> 0.500 ND <br /> Xylenes(total) 0.500 ND " <br /> Methyl tert-butyl ether 2.50 ND " <br /> Surrogate: a,a,a-Trifluorotoluene 65.0-135 106 <br /> Surrogate., 4-Bromofluorobenzene 65.0-135 99.7 <br /> MW-9 P002365-09 Water <br /> Gasoline 0020366 2115100 2/15100 50000 92700 ug/1 <br /> Benzene 500 10900 " <br /> quoia Analytical- Petaluma *Refer to end of report for text of notes and definitions. <br /> Page 3 of 6 <br />