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�1 Sequoia <br />Analytical <br />404 N Wiget Lane <br />Walnut Creek CA 94598 <br />(925)988-9600 <br />FAX (925) 988-9673 <br />www sequotatabs corn <br />Gettler Ryan Inc - Dublin Projett Cheaper <br />6747 Sierra Court Suite ! Project Number Chevron # 9-5775 Reported <br />Dublin CA 94568 Project Manager Scott Polston 12 -Apr -00 11 36 <br />r utas rurgeaote nyurocarnons tue-t 1L) ana 0 1 LA to Air by ll11N LU F -1 - <br />Sequoia Analytical - Walnut Creek <br />Reporting <br />Analyte Result limit Units Dilution Batch Prepared Analvzed Method NoteE <br />INF (09 53) (WO041724)1) Air <br />Sampled 06 -Apr -00 09 53 Received 07 -Apr -0017 45 <br />P-02 <br />Purgeable Hydrocarbons <br />26000 200 mgim3 Air 20 ODIOO15 <br />OS Apr -00 08 -Apr Oil DHS LUFT <br />Benzene <br />4900 1 0 <br />Toluene <br />6600 10 <br />Ethylbenzene <br />450 10 <br />Xylenes (total) <br />2000 10 " <br />Surrogate a a,a-Tnfluorotoluene <br />383% 70-130 <br />" <br />S-04 <br />EFF (09 59) (WO04172-02) Air <br />Sampled 06 -Apr -00 09 59 Received 07 -Apr -0O 17 45 <br />P-01 <br />Purgeable Hydrocarbons <br />200 20 mg/ml Air 02 OD10015 <br />09 -Apr -00 08 -Apr 00 DHS LUFT <br />Benzene <br />12 0 010 " <br />^ <br />Toluene <br />50 0 010 <br />" ~ <br />Ethylbenzene <br />9 4 0 010 <br />^ " <br />Xylenes (total) <br />50 0 010 <br />Surrogate a a a-Trnfluorotoluene <br />127% 70-130 <br />INF (16 49) (WO04172-03) Air <br />Sampled 06 -Apr -00 16 49 Received 07 -Apr -0017 45 <br />P <br />Purgeable Hydrocarbons <br />20000 200 mg/ml Air 20 0D10015 <br />MApr-00 08 -Apr -00 DHS LUFT <br />Benzene <br />3600 10 <br />Toluene <br />4400 10 <br />Ethylbenzene <br />350 10 <br />Xylenes (total) <br />1600 1 0 <br />Surrogate a a a-Trifluorotoluene <br />260% 70_130 <br />" <br />S-04 <br />EFF (16 47) (WO04172-04) Air <br />Sampled 06 -Apr -0016 47 Received 07 -Apr -00 17 45 <br />P-01 <br />Purgeable Hydrocarbons <br />1$ 2 0 ntghrO Air 02 OD10015 <br />09 -Apr -00 08 -Apr -00 DHS LUFT <br />Benzene <br />080 0 010 <br />Toluene <br />092 0 010 <br />Ethylbenzene <br />032 0 010 <br />Xylenes (total) <br />2 8 0 010 <br />Surrogate a,a,a-Tri luorotoluene 950% 70-130 " <br />Sequoia Analytical - Walnut Creek The results in dus report apply to the samples analyzed in accordance xith the chmn of <br />cusrody document This analytical report most be reproduced in its emure. <br />Page 3 of 12 <br />9 <br />