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SUMMARY Following the proposals for nuclear fuel assurance of International Atomic Energy Agency (IAEA) Director General Mohamed ElBaradei, former Russian President Vladimir V. Putin, and U.S. President George W. Bush, joint committees of the Russian Academy of Sciences (RAS) and the U.S. National Academies (NAS) were formed to address these and other fuel assurance concepts and their links to nonproliferation goals. The joint committees also addressed many technology issues relating to the fuel assurance concepts. This report provides background information and support for the following consensus findings and recommendations of the joint committees: Finding 1a By 2020, many countries that currently do not have a nuclear power plant are likely to initiate national programs for the construction of nuclear power stations.1 These countries do not now have facilities for uranium enrichment for nuclear fuel production or spent nuclear fuel reprocessing. Finding 1b Uranium enrichment and spent fuel reprocessing are the key technologies that enable countries to produce direct-use materials for nuclear weapons.2 The more countries to which either technology (enrichment or reprocessing) spreads, the greater the proliferation risks. Currently it appears that more countries that have not already deployed these technologies are interested in establishing uranium enrichment programs than in pursuing spent fuel reprocessing technologies, making the spread of enrichment technology a greater near-term concern for nuclear proliferation. But the intention to acquire spent nuclear fuel reprocessing capabilities was the main focus of proliferation concerns in the 1970s and could become so again. Finding 1c Requirements of the nuclear security environment, the difficulty of providing safeguards and security, and the demand for nuclear fuel cycle services change over time, and technology advances with time. Any approach for enhancing the nonproliferation features of international fuel cycles must be staged to respond to the nonproliferation needs of the time period. Today this suggests a focus on convincing countries that they do not need to establish their own enrichment facilities, which has motivated efforts by several countries and international organizations to address the enrichment issue. Similar efforts are needed to convince countries that they do not need their own reprocessing facilities. Also needed are strengthened efforts to prevent the spread of these technologies through illicit or inadequately regulated exports and black-market nuclear networks, and improved safeguards for both uranium enrichment and spent 1 Until and unless construction begins, estimates of nuclear growth are based upon expressions of interest and should be considered as having substantial uncertainty. 2 The main nuclear weapons materials are highly enriched uranium, obtained by enriching naturally occurring uranium, and plutonium, primarily obtained by reprocessing irradiated reactor fuel. 1
2 INTERNATIONALIZATION OF THE NUCLEAR FUEL CYCLE fuel reprocessing facilities, designed both to increase international confidence that significant diversions from declared facilities would be detected and to strengthen the ability to provide timely warning concerning covert facilities and activities. Recommendation 1a The countries that currently provide nuclear fuel services should redouble efforts, with other countries and the IAEA, to establish mechanisms for increasing reliability of supply of nuclear fuel, so that countries that do not now have enrichment technology would have reduced incentives to build their own uranium enrichment facilities. Recommendation 1b The international community should help countries provide adequate capacity for safely storing spent fuel (on their own territory or elsewhere), or reliable reprocessing services from existing providers, to reduce countriesâ incentives to establish their own reprocessing facilities. Separated plutonium or fabricated plutonium fuel should not be sent to countries that have not previously received such material and do not have reprocessing capabilities. The spread of separated plutonium to additional countries poses many of the same proliferation risks posed by the spread of reprocessing capabilities. Recommendation 1c For similar reasons the United States and other nations should reduce and seek to minimize commerce in and the transfer of highly enriched uranium (which poses proliferation risks) except if sealed in a reactor core. Second-level findings: a. To ensure a reliable supply of nuclear fuel, a country needs reliable fuel fabrication services as much as it needs reliable sources of uranium and enrichment services. b. To assist in the international fuel assurance programs, it would be helpful if nations with fuel fabrication facilities made those available. c. Fuel fabrication technology for uranium oxide fuel with low-enriched uranium is not sensitive from a proliferation perspective. Hence, if countries choose to establish their own fabrication capabilities to produce fuel assemblies for their own nuclear power stations, without establishing uranium enrichment or spent fuel reprocessing capabilitiesâas South Korea has done, for exampleâthis should not pose significant international concerns. Finding 2 Several messages are clear from the NAS-RAS workshop and other recent discussions in Vienna about assurance of supply: a. Few countries have declared a willingness to forgo forever a right to develop their own uranium enrichment or spent fuel reprocessing nuclear technology in the future.3 3 The charter of the International Uranium Enrichment Center in Angarsk, Russia, requires members other than the host country to commit to not develop their own uranium enrichment capabilities. As of June 2008, Kazakhstan and Armenia have made that commitment and become members.
SUMMARY 3 Some countries have expressed adamant opposition to requiring a country to forgo the development of its own enrichment and reprocessing technologies as a condition of assurance of supply of nuclear fuel or low-enriched uranium. b. To be successful, uranium enrichment, fuel assembly production for nuclear power stations, and spent fuel storage/reprocessing technologies continue to operate in the international market. c. No single mechanism or strategy for assurance of nuclear fuel supply is likely to address every countryâs legitimate needs and desires. Each countryâs or regionâs needs and requirements may be different. d. New mechanisms for assured nuclear fuel supply may only modestly change countriesâ incentives to establish enrichment facilities, as the existing international market provides strong assurance of supply, and countries have a variety of other reasons for establishing their own enrichment plants, including a desire to participate in the profits of enrichment, national pride, and a desire to establish a nuclear weapons option for the future. Recommendation 2a The governments of the United States and Russia should continue to support a broad menu of approaches to increasing assurance of nuclear fuel supply. An array of mechanisms for assurance of nuclear fuel supply has been proposed, from diversified long-term contracts through the existing market, enrichment bonds,4 and international fuel centers to creating a virtual or actual fuel bank. Some of these are already in place. The Russian and U.S. governments should support a broad menu of these approaches, ensuring that these do not undermine each other. Recommendation 2b The governments of the United States and Russia should seek to establish additional benefits and incentives for countries that choose not to establish their own uranium enrichment and spent fuel reprocessing facilities. Possibilities could include assistance in establishing the necessary infrastructure for safe and secure use of nuclear energy. Recommendation 2c To support nonproliferation goals, the nations that currently supply nuclear fuel should work expeditiously with other countries and the IAEA to make assured fuel supplies available before there is a major commitment to new nuclear power plants by countries that do not have them today. Finding 3a It is feasible to establish a multinational center to provide enrichment services without sharing enrichment technology for countries willing to refrain from developing their own enrichment 4 Enrichment bonds: A guarantee by a state that supplies enrichment services that enrichment providers will not be prevented from supplying the recipient state with uranium enrichment services if the guarantee is invoked (adapted from a proposal by the United Kingdom).
4 INTERNATIONALIZATION OF THE NUCLEAR FUEL CYCLE facility as long as they participate in the center.5 The International Uranium Enrichment Center (IUEC) in Angarsk, Russia, is one such center. There have been proposals to establish centers under international organizations, although their feasibility has yet to be established. An international dialog, in which concerned countries evaluate the pros and cons of supplementing multinational centers with a center under international control, is needed. Two European multinational consortia have provided enrichment services for two decades: Eurodif, like the IUEC, does not share its technology among its members, but participants need not forgo development of enrichment technology as a condition of participation. Urenco has only three partners, all of which have access to its technology. Finding 3b If global usage of nuclear energy increases, it may become increasingly difficult to maintain a system in which nationally controlled facilities in only a few countries provide all enrichment and reprocessing services, as desirable as that might be from a nonproliferation perspective. Offering the opportunity to profit from these technologies may reduce the likelihood that countries would perceive efforts to inhibit expansion of access to the technology as unfair. Recommendation 3 Over time, Russia, the United States, and other nations should work to create a global system featuring a small number of centers for the sensitive steps of the fuel cycle (especially enrichment and spent fuel management, possibly including storage, reprocessing, or disposal), owned, operated, and controlled by consortia of states or international organizations (but without spreading the relevant technologies beyond existing technology holders). Such a global system, offering many countries the opportunity to participate and share in the profits, would provide a somewhat more equitable and sustainable long-term basis for limiting enrichment and reprocessing facilities to a small number of countries. There has been some criticism that the proposed mechanisms are unfair. The preliminary arrangements should be improved over time. Finding 4 As use of nuclear power grows, there is a need worldwide for well-educated personnel to support the whole nuclear fuel cycle. Recommendation 4 Countries with large nuclear power programs, such as the United States and Russia, should encourage young people to enter nuclear engineering and related fields and programs that give the breadth of perspective needed. Finding 5 Arrangements that would provide assured return of spent nuclear fuel could provide a much more powerful incentive for countries to rely on international nuclear fuel supply than would assured supply of fresh fuel, because assured take-back could mean that countries would not need to incur the cost and uncertainty of trying to establish their own repositories for spent 5 By a multinational center, the joint committees mean a facility whose ownership and management involves an arrangement among several countries. Eurodif, Urenco, and the International Uranium Enrichment Center at Angarsk are examples. By an international facility, the joint committees mean a facility whose ownership and management are centered in a fully international organization such as the IAEA.
SUMMARY 5 nuclear fuel or nuclear waste. Further, it would reduce the number of countries where plutonium-bearing material is stored around the world. Fuel leasing, reactor leasing, and similar approaches could have this benefit, if managed appropriately. For many countries, however, the political barriers to taking back other countriesâ spent nuclear fuel or nuclear waste are substantial. Recommendation 5 The United States, Russia, and other suppliers should increase their emphasis on establishing mechanisms for assured fuel-leasing or reactor-leasing services,6 including take-back of all irradiated fuel. Russia already has legislation and arrangements in place to offer fuel leasing and has such a contract in place with Iran. In both international fuel supply approaches and in take- back of spent fuel, Russia is farther along in offering services to other countries. The United States and Russia should work together on cooperative approaches that would make it possible to enter into fuel-leasing arrangements in which they would guarantee to supply, and to take back, fuel for the lifetime of reactors built in ânewcomerâ states, with the fuel taken back to Russia for now, or to the United States, as well, if circumstances someday make that possible. Finding 6 A hidden danger of creating such centers is the potential for leakage of sensitive technology. The most damaging leakage of sensitive technology occurred when A. Q. Khan, working as a contractor for Urenco, was able to acquire enough information and contacts to build the supply line for Pakistanâs nuclear weapons program. Khan went on to form a supply network that fed into weapons programs in Libya, North Korea, and Iran. An event like this puts the nonproliferation regime in great danger. Recommendation 6a The United States and Russia should work diligently with other nations to ensure that all efforts to establish international centers for enrichment, reprocessing, or other sensitive activities include specific, stringent plans to prevent leakage of sensitive information and technology. Plants with staff from countries that do not have technology of the type used at that plant should maintain the sensitive technology in âblack boxesâ so that the international staff does not have access to the technologies themselves. Plans to prevent technology leakage should be subject to review by a small group of international experts familiar with such technology controls before the centers are established. Recommendation 6b Russia the United States and other countries working to develop centers should have criteria for participation. Two major criteria for participation by countries beyond the technology holders who provide the technology for the center should be that they not have or be developing an enrichment facility, and that they should be in compliance with IAEA safeguards and nonproliferation obligations. 6 Today the only discussions of reactor leasing are those on the floating power plants being built by Russia and the nuclear battery being proposed by Toshiba. There will be many legal issues to work out in both cases.
6 INTERNATIONALIZATION OF THE NUCLEAR FUEL CYCLE Finding 7 Safeguard arrangements, fuel transfer processes, and return of spent fuel provisions are only a few of the complex legal issues that must be resolved if fuel assurance, fuel take-back, and multinational or international fuel center programs are to be effective. Recommendation 7 The IAEA should lead an international effort to identify these legal questions and options to be considered. The IAEA should also convene countries to reach agreement on preferred solutions. Finding 8 Both Russia and the United States are working on new technologies for processing spent fuel, intended to reduce the economic costs and proliferation risks of traditional reprocessing approaches and improve waste management. The technologies being proposed would still pose significant proliferation concerns if deployed in countries that did not previously have reprocessing capabilities. The new technologies under development will take significant time before being ready for demonstration at commercial scale. Recommendation 8 Developers of nuclear fuel cycle technologies should assess the technologiesâ proliferation risks and projected economic costs and benefits as critical elements of design. Finding 9a In most cases, reprocessing is not economic under current conditions. When the worldâs economically recoverable uranium resources diminish compared to demand or there is widespread deployment of fast reactors, then reprocessing may become economically attractive. Finding 9b Excess stocks of plutonium separated from spent fuel, beyond plutonium that would be needed for making MOX fuel for use in the near term, pose security risks. Recommendation 9 States should end the accumulation of stockpiles of plutonium separated from spent fuel as soon as practicable, and begin to reduce existing stocks. Spent fuel should only be reprocessed when its constituents are needed for fuel, or when reprocessing is necessary for safety reasons. Finding 10 Many of the technologies for improved nuclear fuel cycles are not areas that will advance without directed research specifically focused on the nuclear fuel cycle; advances in other areas of science and engineering will help, but are not sufficiently linked to nuclear fuel cycles to solve the technical challenges described here, by themselves. Research is needed in the areas of processing of irradiated nuclear fuel and nuclear fuel design (beyond the incremental improvements in uranium oxide fuel for light water reactors), as well as in improved approaches to disposal of wastes or spent fuel, and reduced-cost recovery of uranium from low-grade sources. Additional research and development is also needed to develop advanced safeguards and security technologies that can provide increased capabilities to detect covert nuclear
SUMMARY 7 facilities; highly accurate near-real-time monitoring of material flows in bulk processing plants with reduced intrusiveness, increasing confidence that any diversion would be detected; low-cost real-time monitoring that would set off an immediate alarm if stored nuclear material were tampered with or removed; effective protection against sophisticated outsider and insider theft and sabotage threats at reduced cost; and design of facilities to simplify and increase the effectiveness of safeguards. Recommendation 10 The U.S., Russian, and other governments should take the lead in a cooperative international effort to make additional research and development investment in advanced safeguards and security technologies. A focused effort should be made to make the results of this research and development available to the international community to ensure that new facilities are more secure and readily safeguarded. The international community also should adopt the philosophy of designing high levels of security and safeguards into new nuclear systems and facilities from the outset, including both the inherent technical characteristics of the process and the institutional measures to be taken. Finding 11 It is not possible today to construct an entire, operational international fuel cycle program.7 Such a program will have to be built incrementally. However, elements of that program currently exist and the groundwork for other elements has been laid. Recommendation 11 The U.S., Russian, and other governments should â¢ continue to invest in research and development on advanced approaches to once- through and closed fuel cycles that offer the potential to improve proliferation resistance, safety, security, economics, resource utilization, and waste management â¢ utilize a systems approach to developing and assessing these technologies, with clear objectives and technically justifiable criteria for decision making. Use systems analysis to identify potentially promising approaches before proceeding to build pilot or larger facilities. â¢ take all relevant proliferation risks into account when assessing proliferation resistance, including how the availability of the materials, facilities, and expertise associated with a particular fuel cycle approach would affect the time, cost, uncertainty, and detectability of a nuclear weapons program The implementation of those elements that are feasible today, for example, assurance of fuel supply, should not be delayed while other options are being refined or explored both institutionally and technically. 7 One run internationally and including all elements of the fuel cycle.
8 INTERNATIONALIZATION OF THE NUCLEAR FUEL CYCLE Finding 12 The United States and the Russian Federation have signed an agreement on peaceful nuclear cooperation, but it must still be allowed to come into force. The lack of a U.S.-Russian agreement in force is interfering with joint efforts to reduce proliferation. The expanded cooperation in nuclear energy research and development and commercial implementation that such a bilateral cooperation could make possible could serve both countriesâ interests in expanding the use of nuclear energy while meeting safety, security, and nonproliferation objectives. Article 2 of the signed agreement lists possible areas of cooperation, including, among other areas, scientific research and development on nuclear power reactors and their fuel cycles; nuclear fuel cycle services; radioactive waste handling; and nuclear safety, regulation, nonproliferation, and safeguards. The joint committees recognize that it is unlikely that the U.S. government will bring the agreement into force in an environment of worsening relations between the United States and Russia. It is the joint committeesâ hope that current disagreements that have recently emerged will not interfere with the United States and Russia working together toward their common goal of inhibiting nuclear weapons proliferation as nuclear energy use grows across the world.