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General site background and history time line <br /> 1986 - USTs removed <br /> 1985 to 1993 - 14 monitoring wells, 7 vapor wells, one extraction well and 7 borings installed <br /> 1993 and 1994 - Problem Assessment Report (PAR), Final Remedial Plan (FRP) and addenda <br /> prepared. In-situ bioremediation recommended for site remediation. <br /> December 1993 - Installation of blower to supply oxygen to subsurface. Supply to primarily to <br /> northern half of site. <br /> 04 February to 31 March 1994 - Bioremediation pilot study in 5 wells and drummed soil. Study <br /> indicates successful bioremediation occurring. <br /> August 1994 - Full scale soil inoculation into 9 monitoring wells, 6 vapor wells and 1 extraction <br /> well. <br /> Feb. 1994 to Feb 1999 - Confirmation borings, indicate reduction of approximately 90% of <br /> hydrocarbons in soil. <br />