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2.0 SITE DESCRIPTION The subject property consists of an approximately 5-acre parcel of land, occupied by an approximately 50,000-square-foot single-story industrial building, and a 1,500-square-foot single-story office structure. The subject buildings were vacant during the site visit, but most recently were occupied by NICA Metals, a materials recycling business. The subject property is located on the south side of Industrial Drive approximately 500 feet east of McKinley Avenue, within an industrial area. It is identified by the San Joaquin County Assessor as Parcel Number 177-280-20. The relevant portion of the Stockton West, California, topographic map is excerpted and shown as Figure 1 of this work plan. Figure 2 is a site plan that shows the approximate locations of structures on the property, the approximate locations of the property boundaries, and adjoining structures. Subsurface utilities (e.g., sewer lines, electrical, water, and stormwater drains) were identified by a private utility location contractor prior to subsurface work in the most recent field work. The identified utilities and the prior boring locations are shown in Figure 3. 3.0 SCOPE OF WORK As shown in Figure 4, PEI plans to complete up to eight soil borings (up to 40 feet deep, assumes two days of field work)to groundwater. Borings will be placed proximal to areas of concern identified in Section 3.2 below. 3.1 Utility Service Notification PEI will contact USA/Dig Alert (an underground utility marking organization) to mark utilities (water, sewer, electrical, gas, etc.) entering the site from the public right-of-way toward the work area. Notification will be given to Dig Alert at least 48 hours in advance of the work commencement,as required by law. 3.2 Soil& Groundwater Sampling Field work will be completed under the direct supervision of Mr. Mark Slatten, CEG, CHG. PEI proposes to complete up to 8 soil borings to approximately 40 feet bgs at the subject property based on data from the March 2012 investigation. Since the borings are being advanced in previously investigated areas, the geophysical survey completed for the prior investigation will suffice for the proposed field work of this assessment. The locations of the borings are generally proposed as follows: Remediation Pilot Study Workplan Pinnacle Environmental,Inc. 248 Industrial Drive,Stockton,CA Page 4