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*.Wl ✓ M KLEINFELDER Task 3 - Laboratory Analysis Each of the soil samples collected for quantitative analysis will be submitted under chain-of- custody control to Alpha Analytical Laboratories (Alpha) of Sparks Nevada. Alpha is a California State-certified laboratory able to perform the required analyses. Approximately fifty-four (54) discrete confirmation soil samples collected from within the excavation will be submitted for the following analyses: • Total Purgeable Petroleum Hydrocarbons [C4-CIO] including Benzene,Toluene, Ethylbenzene, Xylenes [BTEX] by EPA Method 8260 • Total Extractable Petroleum Hydrocarbons [C10-C40] by EPA Method 8O15M The samples will be analyzed on a standard two-week tum-around-time (TAT) requiring approximately 10 working days. Please note expedited TAT can be obtained at additional costs. Task 4—RenortinEt Upon completion of the field activities and receipt of the analytical results a report of findings will be prepared for client review. The report will include: • A description of the field activities, observations, and protocols; • Tabulated results of soil samples with copies of certified results; • A graphical representation of soil sampling locations; • Description and documentation of QA/QC procedures employed for field and laboratory work; and • Kleinfelder's conclusions and recommendations based on the data acquired. All information gathered during the study by Kleinfelder is considered confidential and will be released only upon written authorization from the client or as required by law. California law requires a person to inform the state if a situation is encountered that can be considered an immediate endangerment to the public's health or welfare and/or to the environment. Therefore, the client shall be contractually bound to make said disclosures in lieu of Kleinfelder, its owners, principals, employees or subcontractors. 44843.T04/ST04RI121r Page 6 of 9 Copyright 2004,Kleinfelder,Inc. September 2,2004