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Sequoia N , CA Lane <br />Walnut Creek, CA 94598 <br />ID(925) 98&9600 <br />I%„f Analytical FAX (925) 988-9673 <br />rttler Ryan, Inc - Dublin Project Chevron <br />6747 Sierra Court Suite J Project Number Chevron 4 9-5775 Reported <br />Dublin CA, 94568 Project Manager Barbara Sienunskl 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 />knalyte Result Limit Units Dilution Batch Prepared Analyzed Method Note <br />VEI-54 5 (W912522-19) Soil Sampled 20 -Dec -99 11 15 Received 23 -Dec -99 13 05 <br />Purgeable Hydrocarbons <br />45 <br />10 <br />mg/kg 20 <br />91,31002 31 -Dec -99 31 -Deo -99 <br />EPA P-01 <br />Benzene <br />17 <br />00050 <br />ft 11" <br />"11 <br />8015/co20 <br />Toluene <br />0 034 <br />00050 <br />Methyl tent -butyl ether <br />4 1 <br />" <br />Ethylbenzene <br />0 19 <br />00050 <br />" <br />Xylenes (total) <br />0 41 <br />00050 <br />Methyl tort -butyl ether <br />87 <br />2 5 <br />1000 <br />1. 1,03 -Jan -00 <br />" <br />Surrogate a a a-Tnfluorotoluene <br />110 % <br />40-140 <br />31 Dec -99 <br />VE3-30 (W912522-20) Soil Sampled <br />21 -Dec -9915 20 <br />Received <br />23 -Dec -99 13 05 <br />Purgeable Hydrocdrbons <br />ND <br />1 0 <br />mg/kg 20 <br />9L31002 31 Deo -99 31 -Dec -99 <br />EPA <br />Benzene <br />00094 <br />00050 <br />" <br />8015/9020 <br />Toluene <br />0 015 <br />00050 <br />Ethylbenzene <br />ND <br />00050 <br />" <br />Xylenes (total) <br />0 014 <br />00050 <br />11 <br />Methyl tert-butyl ether <br />2 1 <br />0 050 <br />" <br />W <br />ogate a,a,a-Tnfluorotoluene 108% 40-140 11-46 (W912522-21) Soil Sampled 21 -Dec -99 15 35 Received 23 -Dec -99 13 05 <br />Purgeable Hydrocarbons <br />ND <br />10 mg/kg 20 91-31002 31 -Deo -99 31 -Deo -99 EPA <br />Benzene <br />0 044 <br />00050 " 8015MO20 <br />Toluene <br />00054 <br />00050 <br />Ethylbenzene <br />00070 <br />00050 <br />Xylenes (total) <br />0 014 <br />00050 <br />Methyl tent -butyl ether <br />4 1 <br />0 050 <br />Surrogate a a a-Tnfluorotoluene 101% 40-140 <br />Sequoia Analytical - Walnut Creek The re sults in thr v report apply to the samples analyzed i n accordance with the chan of <br />custody document This amlyncal report must be reproduced in t is entirety <br />an emp, a ratory Director Page 8 of 15 <br />.. <br />N <br />