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Sequoia <br />� Analytical <br />404 N Wiget Lane <br />Walnut Creek, CA 94598 <br />(925) 98$-96M <br />FAX (925) 988-9673 <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 Barbara Siemmskl 05 -Jan -00 10 22 <br />Total Purgeable Hydrocarbons (C6 -C12), BTEX and MTBE by DHS LUFT <br />Sequoia Analytical - Walnut Creek <br />Reporting <br />Analyte Result Luau Units Dilution Batch Prepared Analyzed Method Notes <br />5132-54 5 (W912511 -1U) soil <br />bamplea zi-llec-yy iL uu <br />Kecervea l3-llec-yy ii Ua <br />Purgeable Hydrocarbons <br />ND <br />1 0 <br />mg/kg 20 OA03003 03 -Jan -00 <br />03 -Jan 00 EPA <br />Benzene <br />029 <br />00050 <br />8015/3020 <br />Toluene <br />00072 <br />00050 <br />Ethylbenzene <br />ND <br />00050 <br />Xylenes (total) <br />0 027 <br />00050 <br />Methyl tert-butyl ether <br />021 <br />0 050 <br />" <br />^ <br />Surrogate a,a a-Tnfluorotoluene <br />126% <br />40-140 <br />" <br />MW5-16 (W912522-11) Soil <br />Sampled 20 -Dec -99 12 35 <br />Received 23 -Dec -99 13 05 <br />Purgeable Hydrocarbon~ <br />ND <br />1 0 <br />mg/kg 20 9L31002 31 -Dec -99 <br />31 -Dec 99 EPA <br />Benzene <br />00099 <br />00050 <br />" " ^ " <br />8015!,8020 <br />Toluene <br />00089 <br />00050 <br />it " " 1" <br />Ethylbenzene <br />ND <br />00050 <br />" <br />Xylenes (total) <br />ND <br />00050 <br />Methyl tert-butyl ether <br />0 14 <br />0 050 <br />^ <br />^ <br />Surrogate a a,a-Trtfluorotoluene <br />987% <br />40-140 <br />MW5-31 (W912522-12) Soil <br />Sampled 20 -Dec -99 12 50 <br />Received 23 -Dec -99 13 05 <br />Purgeable Hydrocarbons <br />ND <br />1 0 <br />mg/kg 20 9131002 31 -Dec -99 <br />31 -Dee -99 EPA <br />Benzene <br />ND <br />00050 <br />tF " " ^ <br />80151,8020 <br />Toluene <br />ND <br />00050 <br />V^ <br />Ethylbenzene <br />ND <br />00050 <br />ff" <br />Xylenes (total) <br />ND <br />00050 <br />it ^ <br />^ <br />Methyl tert-butyl ether <br />014 <br />0 050 <br />it <br />" <br />Surrogate aa a-Tnfluorotoluene <br />Sequoia Analytical - Walnut Creek <br />gan ernp, LaboratbR Dimctor <br />40-140 11" <br />The results in this report apply to the samples analyzed i n accordance with the cha+n2illik <br />custody document Vas awlytrcal report must be reproduced to its etnn <br />WWI <br />00 <br />Page 5 of 15 <br />