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TABLE 1 <br /> Well Construction Details <br /> Chapin Brothers <br /> 1766 Monte Diablo, Stockton California <br /> Well ID Well Diameter Total Depth Screen Interval Tagged Depth on TPHg Concentrations Proposed Well <br /> (inches) (feet) (feet bgs) 2/11/2010 on 2/11/2010 Destruction Method <br /> EW-5 6 30 10-30 -- 2,400 Over Drill <br /> EW-6 6 30 10-30 -- 2,000 Over Drill <br /> VE-1 4 27 20-26 19.5 3,100 Over Drill <br /> VE-2 4 20** Unknown 8 Dry Tremie Grout <br /> VE-3 4 27 20-26 15.7 23 Over Drill <br /> VE-5 4 25 2-25 21.5 ND<50 Tremie Grout <br /> VE-6 4 25 5-25 19.0 690 Over Drill <br /> VW-1 4 18 8-18 18.8 450 Over Drill <br /> VW-7 2 15 5-15 15.0 Dry Tremie Grout <br /> Notes: <br /> TPHg= Total Petroleum Hydrocarbons as gasoline <br /> --=Not measures/not analyzed <br /> *=Current well location unknown. <br /> **=Well VE-2 was drilled 30 degrees from vertical. <br /> Well Construction Details Page 2 of 2 Closure Solutions,Inc. <br />