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QSequoia <br />qW Analytical <br />404 N Wiget Lane <br />Walnut Creek, CA 94598 <br />(925) 988-9600 <br />FAX (925) 988-9673 <br />ttler Ryan, Inc - Dublin Project Chevron <br />6747 Sierra Court Suite 1 ProjectNumber Chevron # 9-5775 Reported <br />Dublin CA, 94568 Project Manager Barbara Sremmski OS -Jan -0O 10 22 <br />Total Purgeable Hydrocarbons (C6 -C12), BTEX and M"FBE by D1i1 LUN" F <br />Sequoia Analytical - Walnut Creek <br />Reporting <br />Lnalyte Result Limit Units Dilution Batch Prepared Analyzed Method Note <br />VE4-45 5 (W912522-25) Soil Sampled 22 -Dec -99 10 20 Received 23 -Dec -99 13 05 <br />Purgeable Hydrocarbons ND 10 mg/kg 20 OA03003 03 -Jan -00 03 -Jan -00 EPA <br />Benzene 0 018 00050 " ^ 8015MO20 <br />Toluene 00079 00050 " <br />Ethylbenzo,ne 00075 00050 " <br />Xylenes (total) 0 011 00050 " <br />Methyl tent -butyl ether 3 6 0 050 " <br />Surrogate a,a,a-Tris luorotoluene 106% 40-140 " <br />VE4-50 5 (W912522-26) Sod Sampled 22 -Dec -99 10 25 Received 23 -Dec -99 13 05 <br />Purgeable Hydroi,drbons ND 10 mg/kg 20 OA03003 03 -Jan -00 03 -Jan -00 EPA <br />Benzene ND 00050 It <br />11 " " 8015/8020 <br />Toluene ND 00050 " <br />11 <br />Ethylbenzene ND 00050 " <br />Xylenes (total) ND 00050 " <br />Methyl tert-butyl ether 037 0 050 " <br />ogate a a,a-Triuorotoluene <br />W <br />129% 40-140-54 <br />(W912522-27) Soil Sampled <br />22 -Dei -99 10 30 <br />Received 23 -Dec -9913 05 <br />Purgeable Hydrocarbons <br />ND <br />10 mg/kg 20 OA03003 03 -Jan -00 04 -Jan -00 EPA <br />Benzene <br />018 <br />00050 801518020 <br />Toluene <br />0 011 <br />00050 " <br />Ethylbenzene <br />ND <br />00050 " <br />Xylenes (total) <br />0 025 <br />00050 " <br />Methyl tert-butyl ether <br />4 7 <br />0 050 " <br />Surrogate a,a,a-Tri luorotoluene <br />114% 40-140 " <br />Sequoia Analytical - Walnut Creek 77ie results in this report apply to the samples analyzed i n accordance with the chain of <br />custody document This analyncaf report must be reproduced m i is entirety <br />t'4nem4�;=)- <br />i>rctor Page lO of 15 <br />W <br />