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Sequoia <br />Analytical <br />r <br />1551 Industrial Road <br />San Carlos CA 94070-4111 <br />(650) 232-9600 <br />FAX (650) 232-9612 <br />Blaine Tech Services <br />Project <br />Chevron(3) <br />Sampled <br />6121199 <br />1680 Rogers Avenue <br />Project Number <br />Chevron 9-5775/990621R-3 <br />Received <br />6123199 <br />San Jose, CA 95112 <br />Project Manager <br />Christine Lillie <br />Reported <br />7/12/99 <br />Sample Description TB <br />Laboratory Sample Number L906301-05 <br />Batch Date Date Specific Methodl Reporting <br />Analyte Number Prepared Analyzed Surrogate Limits Limit Result Units Notes* <br />Sequoia Analytical - San <br />*Refer to end of report for text of notes and dejinttions <br />Page 6ofII <br />Seouota Analytical - San Carlos <br />Total Pur eable H drocarbons C6-02 <br />BTEX and MTBE by <br />DHS LUFr <br />Purgeable Hydrocarbons as Gasoline <br />9060151 <br />6/27199 <br />6/27199 <br />500 <br />ND <br />ugll <br />Benzene <br />" <br />" <br />0 500 <br />ND <br />„ <br />Toluene <br />" <br />" <br />0 500 <br />ND <br />„ <br />Ethylbenzene <br />" <br />" <br />0 500 <br />ND <br />" <br />Xylenes (total) <br />" <br />0 500 <br />ND <br />„ <br />Methyl tert-butyl ether <br />" <br />" <br />500 <br />ND <br />„ <br />Surrogate a,a,a-Triuorotoluene <br />" <br />700-130 <br />797 <br />% <br />Volatile Organic Oxygenated Compounds by EPA Method 8260A <br />Ethanol <br />9060143 <br />6125199 <br />6125199 <br />1000 <br />ND <br />ug/l <br />Tert-butyl alcohol <br />200 <br />ND <br />" <br />Methyl tert-butyl ether <br />" <br />" <br />" <br />200 <br />ND <br />„ <br />Aftopropyl ether <br />" <br />" <br />200 <br />ND <br />tert-butyl ether <br />" <br />" <br />200 <br />ND <br />Ten -amyl methyl ether <br />„ <br />" <br />" <br />200 <br />ND <br />" <br />Surrogate 1,2 Dichloroethane-d4 <br />760-114 <br />984 <br />% <br />Sequoia Analytical - San <br />*Refer to end of report for text of notes and dejinttions <br />Page 6ofII <br />