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I� <br /> I <br /> is v I <br /> o Perforate the casing from 45 to 55 feet below the ground <br /> surface, <br /> o Tremmie) neat cement, cement-bentonite grout, or another <br /> material that would provide an effective seal into the <br /> bottom of the open well to approximately .43 feet below the i <br /> ground surface; s <br /> o Increase the pressure on the liquid filler material <br /> utilizing a surge block or other effective method, forcing <br /> the filler material through the perforations; <br /> o Sound the well to determine the depth of the filler <br /> material. If the material is more than 45 feet below the <br /> ground surface, add filler material and repeat the increase <br /> of pressure; <br /> o Once the pressurized filler material is less than 45 feet <br /> below the ground surface, fill the remainder of the casing <br /> with the filler material . The filler material should be <br /> allowed, to spill into the drilled area to 0.5 foot above the <br /> casing,'" filling the bottom 1 foot of the drilled area; and <br /> o After the filler material has set (approximately 48 hours) , <br /> the remainder of the drilled area with be filled with soil. <br /> I <br /> if you should have any questions regarding the procedures <br /> utilized fo,r this abandonment, do not hesitate to call our <br /> consultant, Applied Geosciences Inc. (contact: Joseph Mello) at <br /> 408-452-0262!. <br /> )A-sc <br /> irely, <br /> ROA O ATES <br /> D'Arc �! <br /> iat I <br /> 0 <br /> f II <br /> �i <br /> IE <br /> :I <br /> �i <br /> II <br /> 1 <br />