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21. North Korea’s Estimated Stocks of Plutonium and Weapon-Grade Uranium

Author:
David Albright and Christina Walrond
Publication Date:
08-2012
Content Type:
Special Report
Institution:
Institute for Security and International Studies (ISIS)
Abstract:
For years, great controversy has surrounded North Korea’s uranium enrichment program (UEP). How large is it? Has it made weapon-grade uranium (WGU)? How much could it make in the future? But there are also broader questions. What is the role of the UEP in the larger North Korean nuclear program? Is the UEP program strictly oriented to make 3.5 percent low enriched uranium for a civilian light water reactor (LWR) under construction at the Yongbyon nuclear complex, as North Korea says? Is it to make WGU? Or could North Korea intend to further enrich uranium for use in the light water reactor to make plutonium for nuclear weapons? Although LWRs are not typically used to make weapon-grade plutonium, they can do so efficiently if the reactor core is specially designed. Finally, how should the United States respond to the UEP and the associated uncertainties in this program? This ISIS report attempts to answer these questions utilizing plausible scenarios about past and possible future operation of the centrifuge program that could result in the production of WGU and future operation of the LWR that could make weapon-grade plutonium. In doing so, the report seeks to organize the incomplete data and derive answers to the above questions that have policy relevance. The report’s results are necessarily preliminary because significant uncertainties exist about the number of North Korean gas centrifuge plants, their operation, and the amount and enrichment level of the enriched uranium produced in them. In addition, although North Korea has said that its Yongbyon LWR is for civilian purposes, this statement is unverified and doubts about its potential use are justified. This report is designed to be updated if and when additional information is obtained. This report presents and evaluates a wide range of information about North Korea’s plutonium and uranium enrichment programs. It identifies gaps in knowledge of these programs. For this report, ISIS developed a variety of estimates of North Korea’s current and future stocks of WGU and weapon-grade plutonium. Although the numerical possibilities are broad, most of the discussion focuses on the central estimates. These results are presented in terms of kilograms of these materials. This report, and in particular this summary, uses the convention of converting these numbers into nuclear weapon equivalents. Often the term “equivalents” is dropped. Such a conversion is necessary when both plutonium and WGU estimates are discussed, since it allows for a more meaningful discussion of the aggregate amount of both fissile materials.
Topic:
Arms Control and Proliferation, Nuclear Weapons, and Uranium
Political Geography:
Asia and North Korea

22. After the 2010 NPT Review Conference: Advancing the Non-Proliferation Pillar

Author:
David Albright and Andrea Stricker
Publication Date:
07-2010
Content Type:
Special Report
Institution:
Institute for Science and International Security
Abstract:
Adoption of a consensus final document action plan at the 2010 Nuclear Non-Proliferation Treaty (NPT) Review Conference on May 28 was a significant achievement for the parties to the NPT. It is a particular achievement for the United States, which fought hard for consensus against great odds. Success was even more important because the last review conference in 2005 ended in acrimony and without a final document. The document demonstrates and reinforces international commitment to the global nonproliferation and disarmament agenda. The parties to the NPT have agreed to implement a set of specific actions that cover a wide variety of areas in support of the three pillars of the NPT: nonproliferation, disarmament, and the peaceful uses of nuclear energy. These actions are measurable and will provide accountability at the next review conference. The unfortunate news is that the document does not substantially strengthen the nonproliferation pillar of the Treaty, the more urgent priority with regard to the three pillars in preventing the proliferation of nuclear weapons. The conference was unsuccessful in significantly advancing support for universal application of the Model Additional Protocol, dealing with noncompliant states such as Iran, addressing withdrawal while a state is noncompliant, and preventing illicit nuclear trade in the wherewithal to make nuclear weapons.
Topic:
Nuclear Weapons, Treaties and Agreements, and Nonproliferation
Political Geography:
Global Focus and United States of America

23. Unprecedented Projected Nuclear Growth in the Middle East: Now Is the Time to Create Effective Barriers to Proliferation

Author:
David Albright and Andrea Scheel
Publication Date:
11-2008
Content Type:
Special Report
Institution:
Institute for Science and International Security
Abstract:
Large civil plutonium stocks are set to accumulate for the first time in the wider Middle East over the next two decades. Countries in this conflict-prone region are planning the construction of at least 12 to 13 new nuclear power reactors (Table 1). Using a simple calculation to determine the expected plutonium discharge annually from these reactors, ISIS estimates that regional civil plutonium production could total more than 13,000 kilograms, or 13 tonnes by 2020, and nearly 45 tonnes by 2030 (Table 2). Given that just 8 kg of plutonium is enough to fabricate a nuclear weapon, this figure is significant. These quantities indicate that by 2020 the region may possess enough plutonium for almost 1,700 nuclear weapons. To be usable in a nuclear weapon, this plutonium must first be separated from the irradiated fuel in reprocessing plants. Middle Eastern countries may seek to purchase civil reprocessing plants from suppliers or build them using their domestic capabilities and equipment purchased from abroad. To reduce the risk of proliferation in the Middle East and help lay the basis for a regionwide nuclear weapon free zone (NWFZ), the United States must ensure that plutonium is not separated from irradiated reactor fuel, insist on adequate international inspections of these countries, including the adoption of the Additional Protocol, and develop mechanisms to remove spent fuel from the region. Absent such conditions, the incoming administration should discourage the development of nuclear power.
Topic:
Nuclear Weapons, Treaties and Agreements, and Nonproliferation
Political Geography:
Middle East and United States of America

24. North Korea’s Plutonium Declaration: A Starting Point for an Initial Verification Process

Author:
David Albright, Paul Brannan, and Jacqueline Shire
Publication Date:
01-2008
Content Type:
Special Report
Institution:
Institute for Science and International Security
Abstract:
On December 27, Japan’s Tokyo Shimbun newspaper quoted U.S. and North Korean officials saying that North Korea had declared a plutonium stockpile of about 30 kilograms. The report was subsequently picked up by several wires, including AFP and UPI. Based on discussions with a knowledgeable official, this roughly 30 kilograms of plutonium apparently refers to a stock of plutonium that North Korea separated from irradiated fuel produced in the five megawatt-electric reactor at Yongbyon. The separation of the plutonium occurred at the Radiochemical Laboroatory at Yongbyon. If this quantity refers to separated plutonium (and not the total quantity of plutonium produced in the spent fuel of several reactor cores), it does fall inside the lower bound of the range of the amount of separated plutonium that ISIS has assessed North Korea could now possess.
Topic:
Diplomacy, Nuclear Weapons, Nonproliferation, and Plutonium
Political Geography:
Asia and North Korea

25. North Korea’s Plutonium Production Declaration: A Starting Point for an Initial Verification Process

Author:
David Albright, Paul Brannan, and Jacqueline Shire
Publication Date:
01-2008
Content Type:
Special Report
Institution:
Institute for Security and International Studies (ISIS)
Abstract:
On December 27, Japan’s Tokyo Shimbun newspaper quoted U.S. and North Korean officials saying that North Korea had declared a plutonium stockpile of about 30 kilograms. The report was subsequently picked up by several wires, including AFP and UPI. Based on discussions with a knowledgeable official, this roughly 30 kilograms of plutonium apparently refers to a stock of plutonium that North Korea separated from irradiated fuel produced in the five megawatt-electric reactor at Yongbyon. The separation of the plutonium occurred at the Radiochemical Laboroatory at Yongbyon. If this quantity refers to separated plutonium (and not the total quantity of plutonium produced in the spent fuel of several reactor cores), it does fall inside the lower bound of the range of the amount of separated plutonium that ISIS has assessed North Korea could now possess.
Topic:
Security, Nuclear Weapons, Plutonium, and Nuclear Energy
Political Geography:
Asia and North Korea

26. Unprecedented Projected Nuclear Growth in the Middle East: Now Is the Time to Create Effective Barriers to Proliferation

Author:
David Albright and Andrea Scheel
Publication Date:
11-2008
Content Type:
Special Report
Institution:
Institute for Security and International Studies (ISIS)
Abstract:
Large civil plutonium stocks are set to accumulate for the first time in the wider Middle East over the next two decades. Countries in this conflict-prone region are planning the construction of at least 12 to 13 new nuclear power reactors (Table 1). Using a simple calculation to determine the expected plutonium discharge annually from these reactors, ISIS estimates that regional civil plutonium production could total more than 13,000 kilograms, or 13 tonnes by 2020, and nearly 45 tonnes by 2030 (Table 2). Given that just 8 kg of plutonium is enough to fabricate a nuclear weapon, this figure is significant. These quantities indicate that by 2020 the region may possess enough plutonium for almost 1,700 nuclear weapons. To be usable in a nuclear weapon, this plutonium must first be separated from the irradiated fuel in reprocessing plants. Middle Eastern countries may seek to purchase civil reprocessing plants from suppliers or build them using their domestic capabilities and equipment purchased from abroad. To reduce the risk of proliferation in the Middle East and help lay the basis for a regionwide nuclear weapon free zone (NWFZ), the United States must ensure that plutonium is not separated from irradiated reactor fuel, insist on adequate international inspections of these countries, including the adoption of the Additional Protocol, and develop mechanisms to remove spent fuel from the region.2 Absent such conditions, the incoming administration should discourage the development of nuclear power.
Topic:
Security, Arms Control and Proliferation, Nuclear Weapons, and Nuclear Energy
Political Geography:
Middle East

27. Disabling DPRK Nuclear Facilities

Author:
David Albright and Paul Brannan
Publication Date:
10-2007
Content Type:
Working Paper
Institution:
Institute for Science and International Security
Abstract:
The October 3, 2007 Six-Party Talks accord outlines a roadmap for the disablement of the Democratic People’s Republic of Korea’s (DPRK) core nuclear facilities. While an agreement on “Second-Phase Actions for the Implementation of the Joint Statement” has been secured, the specific details of the nuclear disablement process are still being developed. The primary goals of this Working Paper are twofold. First, to establish a definition for the term “disablement” which has only recently achieved widespread usage in the disarmament and nonproliferation community. Second, to outline the types of steps that will or could be taken at key facilities in the DPRK to achieve various disablement objectives. This Working Paper was commissioned by the Korea Working Group (KWG) at the U.S. Institute of Peace. The KWG brings together the leading North Korea watchers from the government and think tank communities to discuss pressing policy issues in the political, security, social, and economic fields.
Topic:
Nuclear Weapons, Disarmament, and Nonproliferation
Political Geography:
Asia and North Korea

28. Dismantling the DPRK’s Nuclear Weapons Program: A Practicable, Verifiable Plan of Action

Author:
David Albright and Corey Hinderstein
Publication Date:
01-2006
Content Type:
Special Report
Institution:
Institute for Science and International Security
Abstract:
Verified dismantlement of the nuclear weapons program of the Democratic People’s Republic of Korea (DPRK) can be accomplished successfully. Although difficulties abound in reaching an agreement with the DPRK to achieve this goal, the methods and steps involved in the dismantlement process are well understood. Because this goal remains vital to U.S. and international security, the United States has joined with China, Japan, Russia, and South Korea in working toward verified denuclearization of the Korean peninsula with the cooperation of the DPRK. These six nations have launched a series of negotiations, called the Six-Party Talks, aimed at resolving the crisis over the DPRK’s nuclear program. These nations are also attempting to create a plan to dismantle the DPRK’s program in a manner with which all the nations can feel secure.
Topic:
Nuclear Weapons, International Security, and Disarmament
Political Geography:
Russia, Japan, China, Asia, South Korea, North Korea, and United States of America

29. Dismantling the DPRK's Nuclear Weapons Program

Author:
David Albright and Corey Hinderstein
Publication Date:
01-2006
Content Type:
Working Paper
Institution:
United States Institute of Peace
Abstract:
Verified dismantlement of the nuclear weapons program of the Democratic People's Republic of Korea (DPRK) can be accomplished successfully. Although difficulties abound in reaching an agreement with the DPRK to achieve this goal, the methods and steps involved in the dismantlement process are well understood.
Topic:
International Relations, Security, International Cooperation, and Nuclear Weapons
Political Geography:
Korea

30. India and Pakistan’s Fissile Material and Nuclear Weapons Inventory, end of 1998

Author:
David Albright
Publication Date:
10-1999
Content Type:
Special Report
Institution:
Institute for Security and International Studies (ISIS)
Abstract:
Estimating the size of India and Pakistan’s inventory of separated weapon-grade plutonium and highly enriched uranium (HEU) has become more difficult following their nuclear tests in May, 1998. Both countries treat these numbers as highly classified, partly because such estimates provide a direct indication of the number of nuclear weapons they possess. In the case of Pakistan, what can be surmised is that it has resumed full-scale production of HEU, following a declared moratorium on such production since 1991. Abdul Q. Khan, the father of Pakistan’s uranium enrichment program, announced soon after the Pakistani tests that his country had never stopped making HEU. Although his comment has been greeted skeptically, it indicates that Pakistan may have resumed making weapon-grade uranium well before its tests in May, 1998.
Topic:
Security, Nuclear Weapons, Weapons, Uranium, and Plutonium
Political Geography:
Pakistan, South Asia, and India