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Mr.Harlan Knoll �� Environmental <br /> 27 April 2004 Resources <br /> .0Management <br /> Page 2 <br /> al <br /> tremie pipe removed, pressure was added at the well head at a rate of <br /> 10 psi for 5 minutes. One to two feet of settlement was observed after <br /> pressurizing so additional neat cement was added to top of the <br /> ii <br /> casing. <br /> • The well was then angered to a minimum of 3 feet below ground <br /> surface with an 8" auger and the PVC removed.• �j p <br /> h <br /> The wellbox and above grade concrete collar were then removed, the <br /> hole was backfilled with concrete, h <br /> o Crete, and then finished match existing <br /> surface material. i <br /> With the abandonment of the site wells and the submittal of this letter, <br /> the requirements for the site closure have been met. WeR}look forward to <br /> receiving No Further Action status for the site. <br /> s <br /> Sincerely, If Ic C GE040 <br /> c <br /> S. <br /> Don Ludlam Debbie S. Lind, R.G. NO 7126 '. <br /> Project Scientist Project 1Vlanager ytr e XP YJCs �` 1 <br /> DSL/9343.50 '� � �9TFDF CAS-�F��� <br /> enclosures: Figures <br /> �y s <br /> cc: Mr. Jim Levy,Union Pacific Railroad j <br /> Ms. Anita Merlo <br /> it <br /> ,!P <br /> N'If <br /> p r <br /> ilJ <br /> ,.III'f 4 <br /> lis <br /> ;i <br /> IAF :F <br />