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QUARTERLY REPORT • October 1995 - Jordan Realty 298 West Grant Line Road Tracy, California 1.0. INTRODUCTION AND SCOPE OF WORK In accordance with a request from Mr Bill Jordan, Advanced GeoEnvironmental, Inc (AGE) has prepared this Quarterly Report summarizing field activities performed at 298 West Grant Line Road t, in Tracy, California for the third quarter of 1995 Ground water monitoring procedures were performed on 19 October 1995 The location of the site on illustrated in Figure 1 -Location Map A plan of the site is illustrated on Figure 2 - Site Plan Monitoring and sampling was performed in accordance with San Joaquin County Public Health Services - Environmental Health Division (PHS-EHD) and Central Valley Regional Water Quality Control Board (CVRWQCB) guidelines for the investigation of underground storage tank (UST) sites � 1 2.0. BACKGROUND M21 SITE DESCRIPTION The site is located in a commercial/industrial area of central Tracy(Figure 1) The property is located at the southeast corner of the intersection of Grant Line Road and Parker Avenue One building, a canopy and a metal storage shed are currently situated on the property (Figure 2) 2 2 UNDERGROUND STORAGE TANK REMOVAL It is our understanding that the property was operated as gasoline service station from 1960 to 1980 A total of four underground storage tanks (USTs) were removed from the site in April 1988 one i ' 1,000-gallon gasoline UST, one 6,000-gallon gasoline UST, one 8,000-gallon gasoline UST, and one 1,000-gallon waste oil UST The USTs were removed from two separate excavations The first excavation is located on the west side of the canopy, the second (and larger) excavation is located north of the building Upon removal of the USTs, soil and ground water samples were collected from the excavations ' Laboratory results of the soil and ground water samples indicated the presence of hydrocarbon- impacted soil and groundwater at the site 1