Cleaning Up Commingled Uranium Mill Tailings:
Is Federal Assistance Necessary?
EMD-79-29: Published: Feb 5, 1979. Publicly Released: Feb 5, 1979.
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Until recently, commingled uranium mill tailings were believed to be of such low radiation that they were not considered harmful to the public. As a result, the tailings were often left in uncontrolled piles. Recent concern about the possible adverse effects of low-level radiation over long periods of time prompted the request that GAO determine whether federal assistance should be provided to active mills to clean up the mill tailings.
Cleaning up all of the commingled tailings would have the advantages of reducing a possible health hazard and taking another step toward resolving some of the problems of safely disposing of radioactive wastes. Offsetting these advantages, however, are some strong disadvantages. The cleanup costs could go as high as $315 million using current technology. Further, the cleanup program could be considered as an additional precedent for cleaning up other nuclear facilities, which would be a far more costly endeavor. This is extremely important because the question of who should pay for cleaning up nuclear facilities has not yet been fully considered, primarily because very little decommissioning of these facilities has been done to date. In the GAO view, the most significant factor in favor of providing federal assistance in cleaning up commingled tailings pertains to the Federal Government's role in creating the mill tailings situation.
Matters for Congressional Consideration
Status: Closed - Implemented
Comments: When we determine what steps the Congress has taken, we will provide updated information.
Matter: In order to ensure that the uranium mill tailings are controlled in a safe and environmentally sound manner, Congress should provide assistance to the active mill owners to share in the cost of cleaning up that portion of the commingled mill tailings that were generated under federal contracts. These are the tailings for which the federal government has a strong moral responsibility.
Status: Closed - Implemented
Comments: When we determine what steps the Congress has taken, we will provide updated information.
Matter: Congress should consider having the federal government assist those mill owners who acted in good faith in meeting all legal requirements pertaining to stabilization of the mill tailings that were generated for commercial purposes and for which the federal government, through the Nuclear Regulatory Commission, is now requiring retroactive stabilization.
Status: Closed - Not Implemented
Comments: When we determine what steps the Congress has taken, we will provide updated information.
Matter: Congress should make clear that assistance to mill owners establishes no precedent for the federal government assuming the financial responsibility of cleaning up other non-federal nuclear facilities and wastes, including those mill tailings generated after the date the federal government notified industry that the tailings should be controlled.
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