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QSequoia <br />Analytical <br />404 N WEget Lane <br />Walnut Creels CA 94598 <br />(925) 988-9600 <br />FAX (925) 988-9673 <br />www sequolatabs corn <br />Gettler Ryan, Inc - Dublin Project Chevron <br />6747 Sierra Court Suite J Project Number Chevron # 9-5775 Reported <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 />Anal) to Result Lttmt Units Dilution Batch Prepared Analyzed Method Notes <br />MP -2 (W007080-02) Water Sampled 06 -Jul -00 11 38 Received 06 -Jul -00 13 45 A-01 <br />1,1,2-Tnchloroethane <br />ND <br />20 ugll 1 0GO8002 N -Jul -00 08 -Jul -00 EPAn60A <br />Tetrachloroethene <br />ND <br />20 <br />1,3-Dichloropropane <br />ND <br />20 " <br />Dlbromochloromethane <br />ND <br />20 " <br />1,2-Dibromoethane <br />ND <br />20 <br />Chlorobenzene <br />ND <br />20 " <br />Ethylbenzene <br />ND <br />20 <br />Total Xylenes <br />ND <br />2 0 " <br />1,1,1,2 -Tetrachloroethane <br />ND <br />20 " <br />Styrene <br />ND <br />2 0 " <br />Bromofonn <br />ND <br />2 0 " <br />Isopropylbenzene <br />ND <br />2 0 " <br />1,1,2,2 -Tetrachloroethane <br />ND <br />2 0 " <br />romobenzene <br />ND <br />2 0 " <br />-Propylbenzene <br />ND <br />2 0 <br />1,2,3-Tnchloropropane <br />ND <br />2 0 " <br />2-Chlorotoluene <br />ND <br />2 0 <br />1,3,5-Tnmethvlbenzene <br />ND <br />20 " <br />4-Chlorotoluene <br />ND <br />2 0 " <br />tert-Butylbenzene <br />ND <br />20 <br />1,2,4-Trlmethylbenzene <br />ND <br />20 " <br />sec-Butylbenzene <br />ND <br />2 0 " <br />p-Isopropyltoluene <br />ND <br />20 <br />1,3 -Dichlorobenzene <br />ND <br />20 " <br />1,4 -Dichlorobenzene <br />ND <br />20 " <br />n-Butvlbenzene <br />ND <br />20 " <br />1,2 -Dichlorobenzene <br />ND <br />20 " <br />1,2-Dlbromo-3-chiompropane <br />ND <br />so <br />1,2,4-Tnchlorobenzene <br />ND <br />20 " <br />Naphthalene <br />ND <br />10 " <br />Hexachlorobutadlene <br />ND <br />10 " <br />1,2,3-Tnchlorobenzene <br />ND <br />2 0 " <br />Surrogate Dibromofluoromethane 980% 50-150 <br />Surrogate 12-Dichloroethane-l4 104% 50-150 <br />Surrogate Toluene -d8 960% 50-150 " <br />Surrogate 4-Bromofluorobenzene 960% 50-150 " <br />0 equola Analytical - Walnut Creek The results in this report apply to the samples analyzed in accordance with the chain of <br />custody document This analytical report must be reproduced in its entirety <br />Page 8 of 25 <br />