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• • GEOTECHNICAL <br /> NEIL O. ANDERSON ENVIRONMENTAL <br /> AN D ASSOCIATES <br /> INSPECTIONS a TESTING <br /> LABORATORY SERVICES <br /> POOL ENGINEERING <br /> POST TENSION DESIGN <br /> PHASE II ENVIRONMENTAL SITE ASSESSMENT WORKPLAN <br /> ST. JOACHIM'S PARISH <br /> 13320 STATE ROUTE 88 <br /> LOCKEFORD, CALIFORNIA <br /> OUR PROJECT NUMBER: E07091A <br /> 1.0 SUMMARY <br /> Neil 0. Anderson & Associates, Inc. (NOA) has been retained by Vern Vierra of Delta Building <br /> Design, to conduct a Limited Phase II Environmental Site Assessment for the property located <br /> at 13320 State Route 88, Lockeford, San Joaquin County, California. The property is planned <br /> for sale. <br /> The subject property is located adjacent to a former Chevron gasoline station which was the <br /> site of a leaking underground storage tank case. Our office previously completed a County File <br /> Review (May 2007) in which we requested and reviewed files for the adjacent former Chevron <br /> at the San Joaquin County Environmental Health Department (EHD) office. Based on review of <br /> the files it was determined that, although the site received closure from the from the EHD and <br /> the Central Valley Regional Water Quality Control Board, a significant volume of contaminated <br /> soil remained in the subsurface. This Phase II is intended to address concerns related to the <br /> potential for soil contamination at the former Chevron site to have impacted soil on the subject <br /> property. <br /> The San Joaquin County Environmental Health Department (EHD) requires a workplan be <br /> prepared before drilling permits can be issued for environmental investigations. A drilling <br /> permit will be required for the proposed boring near the former underground storage tank. <br /> The workplan is organized into the following sections: general information, health and safety <br /> plan, soil sampling procedures, proposed time schedule for work, and report preparation. We <br /> understand the investigation may not proceed until after EHD staff approval of the workplan <br /> and issuance of a drilling permit. A California licensed geologist will oversee the investigation <br /> on the site. <br /> 1.0 GENERAL INFORMATION <br /> 1.1 Soil Sample Purpose, Location, and Depth <br /> The basic purpose for collecting soil samples is to identify any impacts to on-site soils which <br /> may have occurred as a result of leakage from the adjacent former underground storage tank. <br /> LODI • SACRAMENTO WALNUT CREEK • RENO • MODESTO <br /> L 0 D 1 902 Industrial Way Lodi,CA 95240 • 209.367.3701 • FAX 209.369.4228 <br />