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404 N.Wiget Lane <br /> Sequoia Walnut Creek,CA 94598 <br /> (925)988-9600 <br /> FAX(925)988-9673 <br /> Analytical <br /> www.sequoialabs.com�s.com <br /> -1 <br /> Gettler Ryan,Inc. -Dublin Project: Tosco <br /> 6747 Sierra Court Suite.I Project Number: Tosco# 11195 Reported: <br /> Dublin CA,94568 Project Manager: Doug Lee 13-Mar-02 08:19 <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 /> B-4-9(W202395-04)Soil Sampled:25-Feb-02 00:00 Received:25-Feb-02 17:50 <br /> Purgeable Hydrocarbons(C6-C12) ND 11.0 mglkg 20 2CO1003 01-Mar-02 01-Mar-02 EPA 80/5/8021 <br /> Benzene ND 0.0050 " " " " " " <br /> Toluene ND 0.0050 " " " " " <br /> Ethylbenzene ND 0.0050 " <br /> Xylenes(total) ND 0.0050 " <br /> Methyl tent-butyl ether(MTBE) ND 0.050 " <br /> Surrogate a,a,a-Tris luorotoluene 103 % 40-140 " <br /> B-5-9(W202395-05)Soil Sampled:25-Feb-02 00:00 Received:25-Feb-02 17:50 <br /> Purgeable Hydrocarbons(C6-C 12) ND 1.0 mg/kg 20 2CO1003 01-Mar-02 01-Mar-02 EPA8015/8021 <br /> Benzene ND 0.0050 " <br /> Toluene ND 0.0050 " <br /> Ethylbenzene ND 0.0050 " <br /> Xylenes(total) ND 0.0050 " <br /> Methyl tert-butyl ether(MTBE) ND 0,050 <br /> Surrogate: a,a,a-Trifluorotoluene 92% 40-140 " <br /> Sequoia Analytical-Walnut Creek The results in this report apply to the samples analyzed to accordance with the-': <br /> custody document. This analytical report must be reproduced in its\ ' ?ty. <br /> 3of8 <br />