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F <br /> Geofogicaf Technics Inc. r <br /> 2502 River Pgad f <br /> Modesto,Califamia 95351 <br /> (209)538-6424/faX#538-5852 i <br /> Work Plan <br /> Site Characterization R <br /> Former Moresco Property <br /> 16865 Gawne Road, <br /> Stockton, California <br /> Project No. 251.2 <br /> March 14, 1995 <br /> 1.0 INTRODUCTION <br /> The subject property delineated as the former Moresco Property located at 16865 <br /> Gawne Road in Stockton contained an' underground storage tank which was <br /> removed on November 15, 1994. Gasoline range petroleum hydrocarbons were <br /> detected in soil samples collected from beneath the tank. This information was <br /> reported to the San Joaquin County ;Public Health Services Environmental Health <br /> Division (SJC-PHS-EHD) in the Geological.Technics Inc.-Tank Removal Report, 16865 <br /> Gawne Road, dated December 9, 1994. ' <br /> 2.0 PROPOSED INVESTIGATION <br /> To investigate the vertical and lateral extent of soil impacted with gasoline range <br /> ; <br /> petroleum hydrocarbons, Geological Technics Inc. proposes to install four (4) soil ; <br /> borings around and through the suspected. the point of release (Figure 2 Site Map). <br /> r <br /> 2.1 Soil Boring Installation <br /> x <br /> Soil boring permits will be secured and the local regulatory agency will be notified <br /> 48 hours prior to commencing work. ;The subsurface will be cleared of.underground <br /> utilities by notifying Underground Service Alert. <br /> Based on field observations made during tank closure work,k, it is expected that the <br /> four (4) borings will completed to 40' to.50 feet below ground surface. In all cases, <br /> any boring will be extended to a depth of twenty feet past the last field evidence of <br />