SITE INFORMATION AND CORRESPONDENCE FILE 1

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Geo6gkdTechnics Inc. • • Page 3 George's Service Project No.: 425.2 April 10, 1998 Additional Site Characterization Work • prepare work plan • assist George's Service in obtaining easements& agreements with adjoining property owners • install 3 groundwater monitoring wells into the deeper aquifer zone to determine the volume of groundwater impacted and provide information needed to perform the risk evaluation. • test soil samples as required from each borehole for TPH-G, BTEX, MTBE and select geophysical parameters (permeability, porosity,bulk density, TOC) • test water samples from each monitoring well for TPH-G, BTEX, MTBE and the other oxygenated fuel compounds • survey the top of casings of the new wells and survey in the locations of domestic wells and neighboring properties as requested by PHSEHD • update site map • perform quarterly groundwater monitoring and reporting • prepare a report summarizing all the site characterization data Listed below is a proposed schedule for implementing this project. Proposed Biddine of Project To remain in compliance with the USTCFP, Geological Technics Inc. requested V&W Drilling to prepare for drilling and installing the 3 groundwater monitoring wells. We have found V&W to be very cost effective for three primary reasons: • reasonable charge rate • fast drilling equipment • well trained crew A bid was requested from Duane Kimball, licensed land surveyor to survey in the top of casing elevations for the new wells. We have found Mr. Kimball to be considerably cheaper then other surveying companies (usually by about 50%), and more responsive to our requests. These costs have been included in our budget spread sheet prepared giving estimated costs for performing the work approved by SJCEHD. The budget spread sheet is attached and shows itemized cost for the tasks proposed. In an attempt to make this Pre-Approval flow smoothly, we have used the same unit costs for this work that has previously been approved by the USTCFP for other projects. Geological Technics Inc. accepts field support services and lab invoices and adds a 15% overhead fee. We then pay these charges and assist George's Service in filling out the USTCFP reimbursement claim. Construction contractors will invoice George's Service direct since Geological Technics Inc. is not a licensed contractor.