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105-DR LARGE SODIUM FIRE FACILITY ^.
In 1996, Ecology (Letter, M. W. Wilson, Ecology to J. E. Rasmussen,
U.S. Department of Energy, Richland Operations Office, and E. F. Loika,
Westinghouse Hanford Company, dated July 16, 1996) accepted clean closure of
Areas 1, 3, and 7 and released these areas from the requirements of Washington
Administrative Code (WAC) 173-303. Also, the letter identified that Area 6,
as defined by Part V, Chapter 10 of the Hanford Facility RCRA Permit, DW
Portion, is believed not to have received dangerous waste and is considered
closed for the purposes of WAC 173-303. Areas 2, 4, and 5, as defined by Part
V, Chapter 10 of the HF RCRA Permit, DW Portion, remain regulated. Closure of
these areas is expected to occur during decommissioning and decontamination of
the 105-DR Reactor. Decommissioning and decontamination costs for these areas
have not been formulated. When these costs become available, the costs will
be included in a future annual report.
PROJECTIONS OF ANTICIPATED COSTS FOR CLOSURE AND POSTCLOSURE (CONT'D)