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1 _ <br /> 7 .. <br /> GeologicafTechnics Inc. !� <br /> 2741 Rizvr Road <br /> Modesto,Cafornia 95351 <br /> (209)538-6424/gac#538-5852 <br /> Y <br /> July 28, 1999 <br /> Project No.: 757.2 <br /> fi Project Name: Shawver(Broadway) <br /> l <br /> Ms. Norma Shawver s <br /> 916 N. Broadway <br /> Stockton, CA 95205 <br /> IY <br /> a RE: Addendum To July 8, 1999 Site Characterization Work Plan <br /> Shawver Trucking, 916 N. Broadway, Stockton, CA <br /> Dear Ms Shawver: <br /> Geological Technics Inc. submits the attached Addendum to the July 8, 1999 Site <br /> I Characterization Work Plan for the Shawver Trucking site located at 916 N. Broadway in <br /> Stockton, CA. This addendum was prepared in response to requests made by Ms. Carol Oz <br /> of the San Joaquin County Public Health Services/Environmental Health Department (SJC <br /> PHS/EHD) during a phone meeting with Ray Kablanow held on July 19, 1999. <br /> This addendum covers not only the additional items requested by Ms. Oz, but the portion of <br /> the original work plan that was accepted by the County j! The i combined work is outlined y <br /> below: <br /> 1. Tank Excavations <br /> • Fill in the former gasoline UST excavation with tJsoil that was removed from it. <br /> • Haul off the soil that was removed from the former waste oil UST and bring in clean <br /> I fill material to back fill the excavation. 'l <br /> 2. Borehole Drilling & Well Installation I <br /> • Drill three soil borings to a depth of approximately 65 feet below grade. Install a <br /> monitoring well in each borehole. j.� k <br /> • Drill one soil boring to a depth of approximately 1100 feet below grade. Collect soil I <br /> and pore-water samples via SimulProbe sampling tool to',define the vertical extent of <br /> 0 <br /> contamination. <br /> 3. Test soil and groundwater samples for petroleum hydrocarbons and metals. <br /> 4. Perform a domestic water well survey within 2,000 feet'of the site. <br /> If you have any questions or need additional information, please contact me.. <br /> Sincerely, <br /> GEOLOGICAL PECHNzcs INC. <br /> Raynold 1. Kablanow 11, Ph.D. <br /> Vice President <br /> E <br /> } <br /> cc: Carol Oz—SJC PHS/EHD ' <br /> Gordon Boggs - RWQCB-CVR 'I <br />