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�Sequoia <br />Analytical <br />1551 Industrial /toad <br />San Carlos, CA 94070-4111 <br />(650) 232-9600 <br />FAX (650) 232-9612 <br />3latneTech Services <br />Project <br />Chevron(3) <br />Sampled <br />6/21/99 <br />680 Rogers Avenue <br />Project Number <br />Chevron 9-5775/990621R-3 <br />Received <br />6/23/99 <br />;an Jose, CA 95112 <br />Project Manager <br />Chnstine Lillie <br />Reported <br />7112/99 <br />Sample Description MW -3 <br />Laboratory Sample Number L906301-03 <br />Batch Date Date Specific Method/ Reporting <br />lnalyte Number Prepared Analyzed Surrogate Limits Limit Result Units Notes" <br />Volatile Organic Oxygenated Compounds by EPA Method 8260A <br />Ethanol 9060159 6/28/99 6/28199 1000 ND ug/1 <br />Tert-butyl alcohol " 200 ND " <br />Methyl tert-butyl ether " 200 ND " <br />J&opropyl ether " 200 ND „ <br />1 tert-butyl ether „ 200 ND " <br />Tert-amyl methyl ether 200 ND " <br />Surrogate 1,2-Dichloroethane-d4 760-114 107 % <br />*Refer to end of reporl for text of notes <br />Page 4 of l 1 <br />Sequoia Analytical - San Carlos <br />Total Purgeable Hydrocarbons W6-02), <br />BTEX and MTBE by <br />DHS LUPI' <br />Purgeable Hydrocarbons as Gasoline <br />9060153 6/28/99 <br />6128/99 <br />100 <br />1110 ug/1 I <br />Benzene <br />P1too <br />532 " <br />Toluene <br />01100 <br />102 " <br />Ethylbenzene <br />„ <br />100 <br />ND " <br />Xylenes (total) <br />100 <br />4.36 " <br />Methyl tert-butyl ether <br />100 <br />197 " <br />Surrogate a,a,a-Trifluorotoluene <br />it <br />F1 700-130 <br />NR % 2 <br />Volatile Organic Oxygenated Compounds by EPA Method 8260A <br />Ethanol 9060159 6/28/99 6/28199 1000 ND ug/1 <br />Tert-butyl alcohol " 200 ND " <br />Methyl tert-butyl ether " 200 ND " <br />J&opropyl ether " 200 ND „ <br />1 tert-butyl ether „ 200 ND " <br />Tert-amyl methyl ether 200 ND " <br />Surrogate 1,2-Dichloroethane-d4 760-114 107 % <br />*Refer to end of reporl for text of notes <br />Page 4 of l 1 <br />