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Limited Soil and Groundwater Report-05/24199 Page 3 Western 0,U11.Spreal,ng Site Project No 02198 2.0 SITE HISTORY 1 2.1 Site Location and Description The site is located at 19256 North Highway 99 in Acampo, California, (See Figure 1) The site property is bordered on the north side by an apple orchard and by an open field containing grape vines ' to the south The front of the property (west) is adjacent to approximately six residential units and by Woodbridge Road, a frontage road running parallel with Highway 99 And the east site of the property is bordered by an open field, which we understand ;s currently being investigated by the Central Valley Regional Water Quality Control Board for impacted groundwater The property is currently occupied by Western Oil and Spreading,Inc , a hgwd asphalt distribution business The site occupies approximately 2 13 acres of land, is relatively flat, and is covered with natural ground and gravel The site contains l 1 insulated aboveground tanks (AST's) used to store vanes road oils The site once contained five underground fuel storage tanks (UST's) used to store liquid asphalt, diesel fuel, and gasoline (See Figure 2) 2.2 Previous Work and Site Condition In 1955 Mr Lloyd Moore moved his company Moore and sons from the corner of Cherokee Lane and Lockeford Street in Lodi, to the present location at 19256 North Highway 99 in Acampo, California Sometane during the 1960's the company was sold to the Van Lobensels who named the icompany Western Asphalt In 1985 the business was purchased by Mike and John Telfer and renamed Western Oil and ' Spreading, Inc The company is currently operating as a liquid asphalt distribution business On October 22, 1987,two 20,000-gallon UST's used to store liquid asphalt, one 2,000-gallon UST used to store diesel fuel,one 1,000-gallon UST used to store gasoline fuel, and one 500-gallon UST used to store gasoline fuel were removed from the site property Analytical results collected during ' the tank removals indicated petroleum unpacted soil within the 20,000-gallon and 2,000-gallon tank cavity locations I On December 10, Gallardo & Associates was retained by Telfer-Sheldon's Vice-President, Jeff Hopkins, to prepare a workplan and conduct a limited soil and groundwater investigation for the 19256 North Highway 99 site property On December 16, 1998, a meeting was held at the San Joaquin County Environmental Health Division's (SJCEHD) Stockton office In attendance for the meeting were Jeffrey Wong and Margaret Lagono of SJCEHD, Jeff Hopkins of Telfer-Sheldon Oil, and Rafael Gallardo of Gallardo &Associates. The purpose of the meeting was to discuss the current condition of the site property and to discuss the requirements necessary to prepare an acceptable workplan for SJCEHD On December 22, 1998, Gallardo&Associates submitted a work plan to perform a limited soil and groundwater investigation at the site to SJCEHD for review and approval