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KLEINFELDER File No. 20-1147-56.E01 September 19, 1994 After collection, the soil samples will be labeled, logged on a chain-of-custody, and immediately stored in an iced cooler. The five (5) samples will be submitted to a State certified laboratory for the following analyses: • TPH Extractable by EPA Method 8015M/LUFT (diesel range) • BTEX by EPA Method 8020 The samples will be analyzed on a normal laboratory schedule requiring approximately two weeks (ten working days) for completion. The soil borings will be advanced using a hand auger and sampling system. The borings will be advanced, logged, and sampled following the protocol described in Attachment A. Task E03 - Reporting Upon completion of the field activities and receipt of the analytical results, a report of findings will be prepared for client and agency review. The report will include: • A description of the field activities, observations, and protocols • Tabulated results of soil samples with copies of certified results • Description and documentation of QA/QC procedures employed for field and laboratory work • Kleinfelder's conclusions and recommendations based on the data acquired ASSUMPTIONS AND CLIENT RESPONSIBILITIES + This proposal will be adequate to obtain authorization from the SJCEHD. If a more comprehensive workplan is necessary, additional charge for workplan preparation will be incurred. • The City of Stockton will have furniture moved and the carpet folded back exposing the concrete slab in the proposed location. • Adequate work space and access will be provided. Kleinfelder will attempt to advance the soil borings at the proposed locations. A pachometer or similar rebar locating device will be used in placing the boring location on the concrete slab. If the drilling equipment cannot be positioned, alternative drilling locations or sampling methods should be investigated at an additional EM:and 14194 Copyright 1994 Kleinfelder, Inc. Page 4 of 6