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Sequoia <br />� Analytical <br />Gettler Ryan, lnc - Dubhn Project Chevron <br />6747 Sierra Court Suite J Project Number Chevron # 9-5775 <br />Dublin CA, 94568 Project Manager Barbara Sieminski <br />Total Purgeable Hydrocarbons (C6 -C12), BTEX and MTBE by DHS LUFT <br />Sequoia Analytical - Walnut Creek <br />y <br />404 N flet Lane <br />Walnut Creek, CA 94598 <br />(925) 988.966 <br />FAX (925) 988-9673 <br />Reported <br />05 -Jan -00 10 22 <br />Reporting <br />Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Note; <br />VE3-54 (W912522-22) Soil <br />Sampled 21 -Dec -99 15 45 <br />Received 23 -Dec -99 13 U5 <br />Purgeable Hydrocarbons <br />ND <br />10 mg/kg 20 91-31002 31 -Dec -99 31 -Dec -99 EPA <br />Benzene <br />00080 <br />00050 8015MO20 <br />Toluene <br />00079 <br />00050 " <br />Ethylbenzene <br />ND <br />00050 <br />Xylenes (total) <br />ND <br />00050 " <br />Methyl tert-butyl ether <br />16 <br />0 050 " <br />Surrogate a a,a-Tnfluorotoluene <br />106% 40-140 " <br />VE4-16 (W912522-23) Soil <br />Sampled 22 -Dec -99 09 40 <br />Received 23 -Dec -9913 05 <br />Purgeable Hydrocarbons ND 10 mg/kg 20 OA03003 03 -Jan -00 04 -Jan -00 EPA <br />Benzene 00050 00050 " " 8015/$020 <br />Toluene 00061 00050 " <br />Ethylbenzene ND 00050 " <br />Xylenes (total) 00050 00050 " <br />Methyl tert-butyl ether 15 0 050 " <br />Surrogate a,a,a-Tnfluorotoluene 127% 40-140 " <br />VE4-36 (W912522-24) Soil Sampled 22 -Det, -99 I0 00 Received 23 -Dec -99 13 05 <br />Purgeable Hydrocarbons <br />ND <br />10 mg/kg 20 OA03003 03 -Jan -00 03 -Jan -00 EPA <br />Benzene <br />00062 <br />00050 " " " 8015h8o20 <br />Toluene <br />ND <br />00050 " <br />Ethylbenzene <br />ND <br />00050 " <br />Xylenes (total) <br />00083 <br />00050 " <br />Methyl tert-butyl ether <br />025 <br />0 050 " <br />Surrogate a a a-Tnfluorotoluene 110% 40-140 <br />Sequoia Analvtical - Walnut Creek <br />Alan R Kemp, Fabor—atdTy Director <br />The results m das report apply to tla; samples anabaedin accordance with the churn o <br />custody document This analytical report must he reproduced in i is enh <br />Page 9 of 15 <br />