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404 N. Wlget lane <br /> Sequoia Walnut Creek.CA 94598 <br /> 4 (925)988-%W <br /> FAX(925)988-%73 <br /> qQF Analytical www.sequoialabs.com <br /> Gettler Ryan,Inc.-Dublin Project: Chevron <br /> 6747 Sierra Court Suite J Project Number: Chevron# 9-4275 Reported: <br /> Dublin CA,94568 Project Manager: Deanna L.Harding 15-Mar-Ol 10:45 <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 Notes <br /> MW-5(W103066-07)Water Sampled: 02-Mar-01 08:13 Received: 02-Mar-01 16:05 <br /> Purgeable Hydrocarbons ND 50 ug/1 1 1C04003 03-Mar-01 03-Mar-01 EPA <br /> 8015M/8020 <br /> Benzene ND 0.50 <br /> Toluene ND 0.50 <br /> Ethylbenzene ND 0.50 " <br /> Xylenes(total) ND 0.50 ^ „ <br />-:Metbyl tert-butyl ether ._.:::,_ :•4.7 : —.., 2.5 <br /> _. CC-3 <br /> Surrogate:a,a,a-Trifluorotoluene 103 % 70-130 ^ <br /> MW-0(W103066-08)Water Sampled: 02-Mar-0108:41 Received: 02-Mar-01 16:05 <br />=Purgeable.Hydrocaibons ND 50=ugll i 1C04003=03=Mar-0i=03=Mar 01 EPA <br /> 8015M/8020 <br /> Benzene 0.55 0.50 <br /> Toluene ND 0.50 <br /> Ethylbenzene ND 0.50 <br /> Xylenes(total) ND 0.50 ^ „ <br /> Methyl cert butyl ether ND 2.5 „ ^ <br /> CC-3 <br /> Surrogate:a,a,a-Trifluorotoluene 103 % 70-130 " <br /> MW-7(W103066-09)Water,._Sarnpled:..02-Mar-01 09:25_,Received: 02-Mar-01 16:05.. <br /> Purgeable Hydrocarbons ND 50 ug/1 1 1004001 04-Mar-01 04-Mar-01 EPA <br /> Benzene 8015M/8020 <br /> ND 0.50 <br /> Toluene ND 0.50 <br /> Ethylbenzene ND 0.50 <br /> Xylenes(total) ND 0.50 <br /> Methyl tert-butyl ether ND 2.5 » ^ » <br /> Surrogate:a,a,a-Trifluorotoluene 102% 70-130 <br /> Sequoia Analytical -Walnut Creek The results in this report apply to the samples analyzed in accordance with the chain <br /> custody document. This analytical report must be reproduced in its entire <br /> Page 4 of 14 <br /> z� <br />