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Si <br /> r <br /> . 1.0 INTRODUCTION <br /> This Work Plan describes the proposed procedures for soil excavation and sampling <br /> performed in conjunction with the replacement of underground storage tanks at ARCO <br /> Products Company (ARCO) facility No 2093, located at 3425 Tracy Boulevard, Tracy, <br /> California (Site) The existing single-wall underground storage tanks (USTs)and product <br /> piping will be removed and new double-wall USTs and piping will be installed in about <br /> the same locations as the removed tanks and piping. This Work Plan is being submitted <br /> prior to UST replacement activities in order to obtain authorization from the San Joaquin <br /> County Public Health Services, Environmental Health Division (PHS-EHD) to conduct <br /> the scope of work described in this work plan The UST replacement project will not <br /> begin until this Work Plan is approved by PHS-EHD. <br /> This Work Pian has been prepared by Roux Associates (Roux) in accordance with the <br /> following documents: <br /> • <br /> • Central Valley Regional Board Staff Recommendations for Initial Evaluation and <br /> Investigation of Underground Tanks (Tri-Regional Recommendations), <br /> • Appendix A of the Tri-Regional Recommendations, and <br /> • Leaking Underground Fuel Tank Manual (LUFT) Guidelines for Site <br /> Assessment, Cleanup, and Underground Storage Tank Closure <br /> The work described in this Work Plan will be performed by Roux personnel under the <br /> direction of Mr. Todd Ramsden, California Registered Geologist No 5687. <br /> 2.0 SITE DESCRIPTION <br /> ARCO Facility No. 2093 is an operating self-service gasoline station and ARCO AM/PM <br />• mini-market located at the northwest corner of the intersection of Tracy Boulevard and <br /> Clover Road in Tracy, California (Figure 1) The Site is a relatively flat asphalt and <br /> Doc #A159W0115 <br />