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WORK PLAN FOR SUBSURFACE INVESTIGATION <br /> January 1996 <br /> Paige's Towing <br /> 1807 Douglas Road <br /> Stockton, California <br /> I <br /> I <br /> 1.0. INTRODUCTION <br /> 1 <br /> In accordance with the request of Mr. Bill Watkins of Paige's Towing,Advanced GeoEnvironmental, <br /> Inc. (AGE) has prepared this Work Plan for performance of a subsurface investigation of the former <br /> underground storage tank(UST) area at 1807 Douglas Road in Stockton, California. The scope of <br /> work includes the advancement and sampling of soil probings and preparation of a report of the <br /> investigation. <br /> i <br /> G <br /> The investigation will-be performed in accordance with San Joaquin County Public Health Services- <br /> Environmental Health Division (PHS-EHD) and Central Valley Regional Water Quality Control <br /> Board guidelines for the investigation of underground storage tank(UST) sites. The location of the i <br /> site is illustrated on Figure 1 -Location Map. A plan of the site is illustrated on Figure 2 - Site Plan. <br /> 2.0. BACKGROUND <br /> I <br /> 2.1. SITE DESCRIPTION <br /> The site is located at 1807 Douglas Road, on the northwest corner of the intersection of Douglas <br /> Road and Harrisburg Road,in the city of Stockton, San Joaquin County, California (Figure 1). The <br /> site is further described as being located within the southeast quarter of Section 20, Township 2 <br /> North, Range 6 East;Mount Diablo Base and Meridian(MDB&M). <br /> Paige's Towing currently operates a towing facility that utilizes one 10,000-gallon gasoline UST and <br /> one 10,000-gallon diesel'UST. The site consists of a garage, an office, and two dispenser islands and <br /> canopies. Historically, the site operated as a gasoline and service station. The surrounding area is <br /> residential, and is located in a topographically flat area. <br /> I <br /> 2.2. UNDERGROUND STORAGE TANK INSTALLATION <br /> i <br /> is our understanding that USTs were removed from the site in 1985. The old USTs were replaced <br /> with wo new O;Od'0 g Il �i7ST's"'�Soil samples were collected beneath each UST in 1989 and r <br /> beneath the associated piping. The samples beneath the USTs indicated the presence of hydrocarbon <br /> contamination. <br /> i <br />