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404 N Wiget Lane <br />Sequoia Walnut Geek, CA 94598 <br />(925) 988-9600 <br />FAX (925) %5-%73 <br />Analytical www <br />sequolalabs <br />Gettler Rvan Inc -Dublin Project Chevron <br />6747 Sierra Court Suite J Project Number Chevron # 9-5775 Repotted <br />Dublin CA 94568 Project Manager Scott Polston 25-Jul-00 10 44 <br />Volatile Organic Compounds by EPA Method 8260A <br />Sequoia Analytical - Walnut Creek <br />Reporting <br />Result limit Units Dilution Batch Prepared Analyzed Method Notes <br />MP -1 (W007080-03) Water Sampled 06-1u1-00 11 36 Received 06 -Jul -00 13 45 <br />Ethanol <br />ND <br />500 ugrl I oro7o18 o7 -Jul -00 07 -Jul -00 EPA 8260A <br />tert-Butyl alcohol <br />ND <br />100 " ~ <br />Methyl tert-butyl ether <br />ND <br />20 „ <br />Dt-isopropyl ether <br />ND <br />20 <br />Ethyl tert-butvi ether <br />ND <br />20 <br />tert-Amvl methvl ether <br />ND <br />20 " <br />1,2-Dichloroethane <br />ND <br />20 " <br />Ethylene dibromide <br />ND <br />20 <br />Surrogate Dibromo,Jluoromethane <br />102% 50-150 <br />Surrogate 11-Diehloroethane-d4 <br />960% 50-150 <br />Dtchlorodtiluoromedwe <br />ND <br />" <br />20 0G08002 08 -Jul -00 08 -Jul -00 ~ <br />Chloromethane <br />ND <br />20 " <br />Vinyl chloride <br />ND <br />20 <br />Bromomethane <br />ND <br />50 " <br />Chloroethane <br />ND <br />20 <br />Trichlorofluoromethane <br />ND <br />20 <br />IJ-Dichloroethene <br />ND <br />20 <br />Methylene chloride <br />ND <br />10 <br />Methyl tent-butvi ether <br />ND <br />20 <br />trans-1,2-Dichloroetheae <br />ND <br />20 <br />1,1-Dichloroethim <br />ND <br />20 <br />2,2-Diehlompropane <br />ND <br />50 <br />cis-1,2-Dichloroethene <br />ND <br />20 « « <br />w <br />Bromochloromethane <br />ND <br />20 ^ w « w <br />Chloroform <br />ND <br />20 w « w » w <br />1,1,1-Tnchloroethane <br />ND <br />20 <br />Cation tetrachloride <br />ND <br />20 <br />« <br />1,11-Dichloropropene <br />ND <br />20 ~ ^ <br />Beaune <br />ND <br />20 w <br />1,2-Dichloroedme <br />ND <br />20 <br />Trichloroethene <br />ND <br />20 <br />1,2-Dichloropropane <br />ND <br />20 « ^ w ^ w <br />Dibromomethane <br />ND <br />20 <br />Bromodichlommethane <br />ND <br />20 <br />2,2,5,5-Tetramethyltetiahydrofuran <br />ND <br />20 ~ » » <br />cis-1,3-Dichlompropene <br />ND <br />20 n " <br />Toluene <br />ND <br />20 <br />trans-1,3-Dichloropropene <br />ND <br />50 <br />Sequoia Analytical - <br />The results in rhes report apply to the samples ar+alysed its aeeondmeoe wim we <br />custody document. Tins mu dyacal report most be reproduced in its <br />Page 9 of 25 <br />