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    Subject Term: "Nuclear waste storage"

    3 publications with a total of 6 open recommendations
    Director: David C. Trimble
    Phone: (202) 512-3841

    2 open recommendations
    Recommendation: To develop reliable cost estimates for the TRU waste removal project and for the TWF construction project at LANL, the Secretary of Energy should direct NNSA and the Office of Environmental Management to revise the cost estimate for the TRU waste removal project to ensure that it uses updated assumptions based on the current understanding of project conditions, such as the status of WIPP.

    Agency: Department of Energy
    Status: Open

    Comments: As of April 2017, Department of Energy (DOE) officials indicated that a revised life-cycle baseline cost estimate was prepared for all Office of Environmental Management mission work at Los Alamos National Laboratory, including transuranic waste removal work. DOE approved the revised cost estimate in July 2016. After we review documentation of the estimate, we will evaluate whether it is sufficient to close the recommendation.
    Recommendation: To develop reliable cost estimates for the TRU waste removal project and for the TWF construction project at LANL, the Secretary of Energy should direct NNSA to revise and update the TWF project's cost estimate by following all best practices for developing a reliable cost estimate that covers all life-cycle costs for better managing the project going forward.

    Agency: Department of Energy
    Status: Open

    Comments: The Department of Energy (DOE) agreed with the recommendation. As of March 2017, DOE indicated that Los Alamos National Laboratory prepared a cost estimate for the operations and maintenance of the Transuranic Waste Facility (TWF) facility in December 2015, which was reviewed and accepted by the responsible program offices. DOE indicated that the revised estimate reflected operational costs for a seven-year window and incorporated applicable best practices, including documentation of any significant deviations and uncertainties impacting the estimate, among other things. After we obtain documentation of the estimate, we will evaluate the action to determine whether it is sufficient to close the recommendation as implemented.
    Director: David C. Trimble
    Phone: (202) 512-3841

    3 open recommendations
    Recommendation: To ensure that DOE's long-term plans for storing waste in the existing SSTs and DSTs at Hanford consider the condition of the tanks and the WTP construction delay, the Secretary of Energy should assess the extent to which the factors that may have led to corrosion in AY-102 are present in any of the other 27 DSTs.

    Agency: Department of Energy
    Status: Open

    Comments: As of Nov. 23, 2016, DOE is still working to empty the waste from the leaking tank as required by a 2014 settlement agreement with the State of Washington (scheduled to be complete in March 2017). Once the tank is emptied, DOE plans to assess the cause of the leak and begin to address the recommendation. When we confirm what actions DOE has taken in response to this recommendation, we will provide updated information.
    Recommendation: To ensure that DOE's long-term plans for storing waste in the existing SSTs and DSTs at Hanford consider the condition of the tanks and the WTP construction delay, the Secretary of Energy should update the schedule for retrieving waste from the tanks, taking into consideration (1) the impact of the delays in the WTP, (2) the risks associated with continuing to store waste in aging tanks, and (3) an analysis of available DST space.

    Agency: Department of Energy
    Status: Open

    Comments: As of Nov. 23, 2016, DOE plans to update its Hanford Site System Plan by October 2017. According to DOE, this update will address the recommendation. When we confirm what actions DOE has taken in response to this recommendation, we will provide updated information.
    Recommendation: To ensure that DOE's long-term plans for storing waste in the existing SSTs and DSTs at Hanford consider the condition of the tanks and the WTP construction delay, the Secretary of Energy should assess the alternatives for creating new RCRA-compliant tank space for the waste from the SSTs, including building new DSTs.

    Agency: Department of Energy
    Status: Open

    Comments: As of December 6, 2016, DOE officials indicated that DOE intends to assess the feasibility of new DST construction as part of its update to the Hanford Site System Plan (to be released October 2017). According to DOE, several contingency actions will be included in the scenarios that will be analyzed including new DST construction. When we confirm what actions the agency has taken in response to this recommendation, we will provide updated information.
    Director: Frank Rusco
    Phone: (202) 512-3841

    1 open recommendations
    Recommendation: To help achieve and sustain public acceptance for future spent nuclearfuel management efforts, the Secretary of the Department of Energy should develop and implement a coordinated outreach strategy for providing information to specific stakeholders and the general public on federal activities related to managing spent nuclear fuel.

    Agency: Department of Energy
    Status: Open

    Comments: When we confirm what actions the agency has taken in response to this recommendation, we will provide updated information.