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Soil Excavation and Monitoring Well Abandonment Report <br />Former TRADEWAY CHEVROLET FACILITY <br />1460 West Yosemite Avenue, Manteca, California <br />1.0. INTRODUCTION <br />In accordance with the request of Mr. Bill Filious of AYF Development, -Advanced <br />GeoEnvironmental, Inc. (AGE) has prepared this Soil Excavation and Monitoring Well <br />Abandonment Report for the property formerly identified as 1460 West Yosemite Avenue, Manteca, <br />California. The location of the site is illustrated on Figure 1 - Location Map. A plan of the site is <br />illustrated on Figure 2 - Site Plan. <br />It is our understanding that the property has recently undergone a parcel split and the subject property <br />has been divided into seven parcels. The "new" parcels of concern are indicated on Figure 2. Based <br />upon the map provided by AKF, the contaminated soil excavated during this investigation was <br />located on Parcel 6; the wells formerly installed on the property were therefore located on Parcel 5 <br />(MW -2), Parcel 6 (MW -1) and Parcel 7(MW-3). <br />2.0. BACKGROUND <br />The site is presently undeveloped. The former Tradeway Chevrolet facility, an auto sales and service <br />facility, was recently demolished in expectation of commercial redevelopment of the property. <br />2.1. SITE DESCRIPTION <br />The site is bounded on the east by Highway 99, on the north by Yosemite Avenue and on the south <br />and west by undeveloped properties. <br />2.2. PREVIOUS SUBSURFACE INVESTIGATION <br />On 01 and 02 June 1999, AGE personnel conducted soil and ground water sampling activities at the <br />site. A total of 17 soil probe borings (P-1 through P-17) were advanced in the vicinity of the former <br />gasoline UST, the former waste oil UST, hydraulic lifts,. and areas of surficial staining (Figure 2). <br />Soil probe borings were advanced by Geoprobe techniques. <br />Soil probe borings P-1 through P-9 were advanced adjacent to active in -ground hydraulic lifts <br />located in the dealership service area. Soil probe borings P-11 through P-12 were advanced adjacent <br />to active in -ground hydraulic lifts located in the auto body shop building. Probe borings P-13 and <br />P-14 were located at areas of surficial staining observed along the southeast corner of the dealership <br />service department, as well as the southeast corner of the auto body shop. The areas of surficial <br />staining appeared related to hydraulic lift pressure -release outlets at the locations. Soil probe boring <br />