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4DSequoia <br />I%ff Analytical <br />404 N Wiget Lane <br />Walnut Creek, CA 94598 <br />(925) 988-9600 <br />FAX {925) 988-9673 <br />settler Ryan, Inc - Dublin Project Chevron <br />6747 Sierra Court Suite J Project Number Chevron # 9-5775 Reported <br />Dublin CA, 94568 Project Manager Deanna L Harding 17 -Jan -00 09 18 <br />Total Purgeable Hydrocarbons (C6 -C12), BTEX and MTBE by DHS LUFT <br />Sequoia Analytical - Walnut Creek <br />Reporting <br />analyte Result Limit Units Dilution Batch Prepared Analyzed Method Note: <br />TB -LB (W001052-01) Water Sampled 05 -Jan -00 00 00 Received 05 -Jan -OU 09 05 <br />Purgeable Hydrocarbons <br />ND <br />50 <br />ug/L 1 OA05002 05 -Jan -00 05 -Jan -00 EPA <br />Benzene <br />ND <br />050 <br />" " 8015MI8020 <br />Toluene <br />ND <br />0 50 <br />" <br />Ethylbenzene <br />ND <br />0 50 <br />" <br />Xylenes (total) <br />ND <br />0 50 <br />" <br />Methyl tert-butyl ether <br />ND <br />2 5 <br />" <br />Surrogate a,a,a-Tnfluororoluene <br />109% <br />70-130 " <br />MW -5 (W001052-02) Water Sampled <br />05 -Jan -00 16 20 <br />Received 05,1an-00 09 05 <br />Purgeable Hydrocarbons <br />190 <br />50 <br />ug/1 l OA05002 05 -Jan -00 05 -Jan -00 EPA <br />Benzene <br />68 <br />0 50 <br />" " " " " 8015M/8020 <br />Toluene <br />99 <br />050 <br />if " " <br />Ethylbenzene <br />2 0 <br />0 50 <br />" <br />Xylenes (total) <br />13 <br />050 <br />" <br />J+ ethyl tent -butyl ether <br />410 <br />25 <br />" <br />a,a,a-Tnfluorotoluene <br />970% 70-130 11 <br />" 11 <br />" <br />P-01 <br />Sequoia Analytical - Walnut Creek The results in this report apply to the samples analyzedtn accordance with the chon of <br />. custody document This aralytrcal reportmust be reproduced to r is entirety <br />�7 <br />gamn4emp, tory Director Page 2 of 6 <br />04 <br />