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Tn3advvelURollo <br /> ltoc/ RIF <br /> COVED <br /> 22 November, 1999 N O V 23 1999 <br /> Project 2705.01 <br /> ENVIRONMENTAL HEALTH <br /> Mr. Jeff Wong PERMIT/SERVICES <br /> San Joaquin County Environmental Division <br /> 304 East Weber Street, Third Floor <br /> Stockton, California 95202 <br /> Subject: Work Plan for Soil and Groundwater Characterization <br /> 300 North Harrison Street, Stockton Ca. <br /> Dear Mr. Wong: <br /> This work plan has been prepared by Treadwell& Rollo, Inc., on behalf Barry Swenson Builder <br /> to conduct a soil and groundwater investigation at the Marina Tower parcel at 300 North <br /> Harrison Street in Stockton, California(Figure 1). No previous soil and/or groundwater <br /> investigations have been conducted onsite and there are no known hazardous materials issues in <br /> the soil or groundwater. <br /> We understand that the site is proposed for possible renovation or redevelopment in partnership <br /> with the current owner, and requires this assessment to identify significant hazardous materials <br /> issues in onsite soil or groundwater that may be encountered during potential site redevelopment. <br /> Attached are completed copies of the San Joaquin County and Master File Record(MFR) and <br /> Well Permit Application forms. <br /> SITE DESCRIPTION AND BACKGROUND <br /> The Marina Tower Parcel at 300 North Harrison Street(APN 137-250-20)which includes the <br /> five-story Marina Tower Structure is bounded by West Lindsey Street on the north,the Stockton <br /> Channel on the south,North Harrison on the west, and North Lincoln Street on the east. <br /> It is reported that beginning in approximately 1910,the site has been used for industrial purposes <br /> involving, but not limited to, shipbuilding, steel fabrication, and warehousing. In 1975, the <br /> current Marina Tower building was constructed and most of the site was paved for parking. <br /> Based on our previous work in the area, we expect the shallow subsurface conditions beneath the <br /> site to consist of silty sands and clays with occasional sand lenses down to approximately twenty <br /> five feet deep. Groundwater will likely be encountered at approximately twenty to twenty five <br /> feet below ground surface (bgs). Static groundwater elevations in nearby monitoring wells are <br /> approximately 14 to 17 feet bgs. <br /> Treadwell&Rollo,Inc.Environmental&Geotechnical Consultants <br /> 555 Montgomery Street,Suite 1300,San Francisco,CA 94111 <br /> Telephone(415)955-9040 Facsimile(415)955-9041 <br />