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    Subject Term: "Hazardous waste disposal"

    2 publications with a total of 8 open recommendations including 2 priority recommendations
    Director: David C. Trimble
    Phone: (202) 512-3841

    3 open recommendations
    Recommendation: To enhance DOE's ability to make risk-based decisions for the treatment of Hanford supplemental LAW, Congress should consider clarifying, in a manner that does not impair the regulatory authorities of EPA and the state of Washington, DOE's authority at Hanford to determine, in consultation with NRC, whether portions of the supplemental LAW can be managed as a waste type other than high-level waste.

    Agency: Congress
    Status: Open

    Comments: According to staff with the reports' addressees, Congress is considering whether to implement this Matter.
    Recommendation: To help ensure that DOE's treatment of Hanford's supplemental LAW is risk based and cost effective, the Secretary of Energy should develop updated information on the effectiveness of treating and disposing of all the different portions of Hanford's supplemental LAW with alternate methods or at alternate disposal sites, and based on this information, identify potential treatment and disposal pathways for different portions of Hanford's supplemental LAW, considering the risks posed by the LAW. In implementing this recommendation, DOE should take into account the results of the analysis required by Section 3134 of the National Defense Authorization Act for Fiscal Year 2017.

    Agency: Department of Energy
    Status: Open

    Comments: In July 2017, DOE told GAO that it has commissioned a team of National Laboratory experts that has begun working on an independent review of supplemental low-activity waste treatment options. DOE noted that this review will address the effectiveness of treating and disposing of Hanford's supplemental low-activity waste with alternate methods or at alternate disposal sites.
    Recommendation: To help ensure that DOE's treatment of Hanford's supplemental LAW is risk based and cost effective, the Secretary of Energy should have an independent entity develop updated information on the lifecycle costs of treating and disposing of Hanford's supplemental LAW with alternate methods or at alternate disposal sites. In implementing this recommendation, DOE should take into account the results of the analysis required by Section 3134 of the National Defense Authorization Act for Fiscal Year 2017.

    Agency: Department of Energy
    Status: Open

    Comments: In July 2017, DOE told GAO that it has commissioned a team of National Laboratory experts that has begun working on an independent review of supplemental low-activity waste treatment options. DOE noted that this review will include a cost benefit analysis for treatment and disposal alternatives.
    Director: David C. Trimble
    Phone: (202) 512-3841

    5 open recommendations
    including 2 priority recommendations
    Recommendation: To improve DOE's management and oversight of the WTP project, the Secretary of Energy should, in assessing the alternatives, revise cost and schedule estimates for the Low Activity Waste Pretreatment System and the Tank Waste Characterization and Staging facility in accordance with industry best practices.

    Agency: Department of Energy
    Status: Open

    Comments: We will monitor the status of this proposed requirement.
    Recommendation: To improve DOE's management and oversight of the WTP project, the Secretary of Energy should revise the statements of mission need for the two proposed projects to allow DOE to consider a variety of alternatives without limiting potential solutions, consistent with the DOE requirement that mission need statements should not identify particular solution such as equipment, facility, or technology.

    Agency: Department of Energy
    Status: Open

    Comments: According to DOE DARTS report on 5/19/16, revision of the statement of mission for the Low Activity Waste Pretreatment System "has become overcome by events". We will continue to follow up on this recommendation.
    Recommendation: To improve DOE's management and oversight of the WTP project, the Secretary of Energy should, in accordance with DOE's Office of River Protection quality assurance policy, conduct an extent-of-condition review for WTP's High Level Waste and Low Activity Waste facilities' systems that have not been reviewed by DOE.

    Agency: Department of Energy
    Status: Open
    Priority recommendation

    Comments: DOE agreed with the recommendations and in its written responses to our report stated that it had implemented them. However, we believe additional actions are needed, as indicated in the priority recommendations letter we sent to DOE in 2017. To fully address the recommendations, DOE should conduct an extent-of-condition review for WTP's High Level Waste and Low Activity Waste facilities' systems.
    Recommendation: To improve DOE's management and oversight of the WTP project, the Secretary of Energy should consider whether or to what extent construction activities for the High Level Waste and Low Activity Waste facilities should be further limited until aggressive risk mitigation strategies are developed and employed to address technical challenges that DOE, the contractor, and others have identified but not yet resolved.

    Agency: Department of Energy
    Status: Open
    Priority recommendation

    Comments: DOE has noted that these activities were already limited and stated that a specific set of criteria has been established for resuming construction on the High Level Waste facility. However, as we noted in our report, an extent-of-condition review has not been performed on the remainder of the facility's systems, and recommendations from the facility's design and operability review have not been implemented. DOE also stated that construction on the Low Activity Waste facility is nearly complete, that the WTP Federal Project Director has a detailed risk register, and that each remaining risk is being proactively mitigated. This statement, however, does not fully reflect the extent or potential seriousness of the technical risks that remain. An extent-of-condition review may mean limiting the production of new design documents until this review is complete in order to avoid potential costly rework. We believe additional actions are needed. To fully address the recommendation, DOE should consider whether or to what extent construction activities for those facilities should be further limited until this review is completed and aggressive risk mitigation strategies are developed and employed.
    Recommendation: To improve DOE's management and oversight of the WTP project, the Secretary of Energy should enlist the services of another agency or external entity to serve as an owner's agent to assist the Office of River Protection in reviewing and evaluating the WTP contractor's design and approach to mitigating design challenges.

    Agency: Department of Energy
    Status: Open

    Comments: Congress required DOE to meet this requirement in the 2016 NDAA, and DOE reports that they issued a contract to Parsons Government Services on September 29, 2015. We have requested a copy of this contract for review to ensure that the recommendation has been addressed.