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WORK PLAN <br /> Limited Site Investigation <br /> • The work site is located at the existing Vinotheque Wine Cellars at 1738 East Alpine <br /> Avenue, Stockton, California. <br /> • Terracon conducted a Transaction Screen on the above referenced site in <br /> accordance with ASTM Designation E-1528-06. The presence of the 80,000-gallon <br /> crude oil tank on the site and three smaller underground crude oil tanks <br /> approximately 50 feet south of the site constitute a potential environmental concern <br /> (PEC) to the site based on the potential for past releases of hydrocarbons from these <br /> tanks or associated pipelines and operations. <br /> • Terracon recommended that a limited site investigation (LSI) be designed based on <br /> the Sanborn map and aerial photograph data and be implemented to assess <br /> potential residual impacts from the previous crude oil storage and use on and off <br /> site. <br /> • Two (2) proposed soil borings to 20 feet bgs. One (1) soil sample per boring. <br /> Groundwater sampling is not included in the scope. <br /> • Drilling is to be performed by EnProbe Environmental Probing in Oroville, <br /> California. <br /> • Drilling conditions permitting, continuous soil cores will be obtained. <br /> • All sampling and drilling equipment will be thoroughly cleaned by use of a non- <br /> phosphate cleaner (Liquinox) followed by a potable water rinse and then deionized <br /> water rinse prior to commencement of each boring. <br /> • Ground surfaces at boring locations will be grass and asphalt. <br /> • All boring locations are accessible by a truck-mounted Geoprobefm (or equivalent) <br /> direct push drilling rig. <br /> • The planned boring location area will be marked for utility clearance by <br /> Underground Service Alert (USA) members. <br /> • Borings are scheduled to be completed Monday morning December 4, 2006. <br /> • Selected samples will be analyzed for TPHs via US EPA Method 8015M. <br /> • Boring locations will be backfilled with grout. <br /> Project Manager: Michael Schumacher (916)475-4210 Cell <br /> Site Safety Manager: Michael Schumacher (916)475-4210 Cell <br /> Medical Emergency: 911 <br />