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CURRENT STATUS of DECAY HEAT MEASUREMENTS, EVALUATIONS, and NEEDS*
CURRENT STATUS OF DECAY HEAT MEASUREMENTS, EVALUATIONS, and NEEDS* J. K. Dickens, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831. CONF-860906—9 This report is dedicated to John C. Connor (1923-1986) An able colleague and a cherished friend DE86 011082 A paper to be presented to the National Topical Conference on Reactor Physics and Safety, Saratoga, New York, September 17-19, 1986 ABSTRACT Over a decade ago serious concern over possible consequences of a loss-of-coolan • accident in a commercial light-water reactor prompted support of several experiments designed specifically to measure the latent energy of beta-ray and gamma-ray emanations from fission products for thermal reactors. This latent energy was termed Decay Heat. At about the same time the American Nuclear Society convened a working group to develop a standard for use in computing decay heat in real reactor environs primarily for regulatory requirements. This working group combined the new experimental results and best evaluated data into a standard which was approved by the ANS and by the ANSI. The primary work since then has been (a) on improvements to computational efforts and (b) experimental measurements for fast reactors. In addition, the need for decay-heat data has been extended well beyond the time regime of a loss-of-coolant accident; new concerns involve, for example, away-from-reactor shipments and storage. The efficacy of the ANS standard for these longer time regimes has been a subject of study with generally positive results. However, a specific problem, namely, the consequences of fission-product neutron capture, remains contentious. -
The Energy Employees Occupational Illness Compensation Program Act (EEOICPA)
The Energy Employees Occupational Illness Compensation Program Act (EEOICPA) August 5, 2020 Congressional Research Service https://crsreports.congress.gov R46476 SUMMARY R46476 The Energy Employees Occupational Illness August 5, 2020 Compensation Program Act (EEOICPA) Scott D. Szymendera During the Cold War, thousands of Americans worked in the development and testing of the Analyst in Disability Policy nation’s nuclear weapons stockpile. Some of these workers were exposed to radiation, beryllium, silica, and other toxic substances that may have contributed to various medical conditions, including different types of cancer. Enacted in 2000, the Energy Employees Occupational Illness Compensation Program Act (EEOICPA, Title XXXVI of P.L. 106-398) provides cash and medical benefits to former nuclear weapons arsenal workers with covered medical conditions and to their survivors. Part B of EEOICPA provides a fixed amount of compensation and medical coverage to Department of Energy (DOE) employees and contractors, atomic weapons employees, and uranium workers with specified medical conditions, including cancer. Workers with certain radiogenic cancers can access EEOICPA Part B through one of two pathways: dose reconstruction and the Special Exposure Cohort (SEC). Under dose reconstruction, the worker’s individual work history and radiation exposure is evaluated to determine the probability that the worker’s cancer was caused by his or her exposure to ionizing radiation. Under the SEC, workers from the same worksite can petition to be included in the SEC based on the site’s work and exposure history. All members of the SEC with covered cancers are eligible for Part B benefits. Approximately 70% of EEOICPA Part B cancer cases are awarded benefits via the SEC rather than dose reconstruction. -
The Nuclear Waste Primer September 2016 What Is Nuclear Waste?
The Nuclear Waste Primer September 2016 What is Nuclear Waste? Nuclear waste is the catch-all term for anything contaminated with radioactive material. Nuclear waste can be broadly divided into three categories: • Low-level waste (LLW), comprised of protective clothing, medical waste, and other lightly-contaminated items • Transuranic waste (TRU), comprised of long-lived isotopes heavier than uranium • High-level waste (HLW), comprised of spent nuclear fuel and other highly-radioactive materials Low-level waste is relatively short-lived and easy to handle. Currently, four locations for LLW disposal exist in the United States. Two of them, Energy Solutions in Clive, Utah and Waste Control Specialists in Andrews, Texas, accept waste from any U.S. state. Transuranic waste is often a byproduct of nuclear weapons production and contains long-lived radioactive elements heavier than uranium, like plutonium and americium. Currently, the U.S. stores TRU waste at the Waste Isolation Pilot Plant (WIPP) near Carlsbad, New Mexico. High-level waste includes spent nuclear fuel and the most radioactive materials produced by nuclear weapons production. Yucca Mountain is the currently designated high-level waste repository for the United States. 1 | What is Spent Nuclear Fuel? Spent nuclear fuel (SNF), alternatively referred to as used nuclear fuel, is the primary byproduct of nuclear reactors. In commercial power reactors in the U.S., fuel begins as uranium oxide clad in a thin layer of zirconium-aluminum cladding. After several years inside of the reactor, around fi ve percent of the uranium has been converted in some way, ranging from short-lived and highly radioactive fi ssion products to long-lived actinides like plutonium, americium, and neptunium. -
Nuclear Energy: Fission and Fusion
CHAPTER 5 NUCLEAR ENERGY: FISSION AND FUSION Many of the technologies that will help us to meet the new air quality standards in America can also help to address climate change. President Bill Clinton 1 Two distinct processes involving the nuclei of atoms can be harnessed, in principle, for energy production: fission—the splitting of a nucleus—and fusion—the joining together of two nuclei. For any given mass or volume of fuel, nuclear processes generate more energy than can be produced through any other fuel-based approach. Another attractive feature of these energy-producing reactions is that they do not produce greenhouse gases (GHG) or other forms of air pollution directly. In the case of nuclear fission—a mature though controversial energy technology—electricity is generated from the energy released when heavy nuclei break apart. In the case of nuclear fusion, much work remains in the quest to sustain the fusion reactions and then to design and build practical fusion power plants. Fusion’s fuel is abundant, namely, light atoms such as the isotopes of hydrogen, and essentially limitless. The most optimistic timetable for fusion development is half a century, because of the extraordinary scientific and engineering challenges involved, but fusion’s benefits are so globally attractive that fusion R&D is an important component of today’s energy R&D portfolio internationally. Fission power currently provides about 17 percent of the world’s electric power. As of December 1996, 442 nuclear power reactors were operating in 30 countries, and 36 more plants were under construction. If fossil plants were used to produce the amount of electricity generated by these nuclear plants, more than an additional 300 million metric tons of carbon would be emitted each year. -
NUCLEAR Unwasted NUCLEAR Unwasted NEWS
N ational Conference of State Legislatures NUCLEAR unWASTEd NEWS A QUARTERLY S UMMARY OF GENERATION, TRANSPORTATION, STORAGE AND DISPOSAL ISSUES JANUARY - MARCH 2008 V OL. 3, NO . 1 Headline CRS Report Assesses Global Access to Nuclear Power 2/29 With the heralding of a coming nuclear renaissance in the Energy Policy Act of 2005 and the Bush administration’s Global Nuclear Energy Partnership (GNEP), the Congressional Research Service released a report in January titled, Managing the Nuclear Fuel Cycle: Policy Implications of Expanding Global Access to Nuclear Power. The 2005 Energy Policy Act outlined provisions authorizing streamlined licensing for new nuclear plants, combining construction and operating permits, and providing tax credits for nuclear power. Thirty new applications or early site permits for reactors have been filed with the Nuclear Regulatory Commission, and 150 have been planned or proposed globally. Nearly a dozen are already under construction overseas. With the U.S. Department of Energy (DOE) planning to spend billions of dollars to advance nuclear technology in the U.S., other countries have similar ideas and want access to the benefits of nuclear power. Advances in nuclear technologies are attractive to those who seek to add energy options to the mostly fossil fuel genera- tion the world depends on today. Concerns about climate change, however, are complicated by fears that spreading enrichment and reprocessing technologies may lead to proliferation of weapons-grade nuclear material. Proposals of global access to nuclear power range from: offering countries access to nuclear power with a formal commit- ment to abstain from enrichment and reprocessing; to a de facto approach where a country does not operate fuel cycle facilities but makes no direct commitment to other nations; to nations having no restrictions at all. -
Never Say Never Again Ariel E. Levite Nuclear Reversal Revisited
Never Say Never Again Never Say Never Again Ariel E. Levite Nuclear Reversal Revisited A serious gap exists in scholarly understanding of nuclear proliferation. The gap derives from inade- quate attention to the phenomena of nuclear reversal and nuclear restraint as well as insufªcient awareness of the biases and limitations inherent in the em- pirical data employed to study proliferation. This article identiªes “nuclear hedging” as a national strategy lying between nuclear pursuit and nuclear roll- back. An understanding of this strategy can help scholars to explain the nu- clear behavior of many states; it can also help to explain why the nightmare proliferation scenarios of the 1960s have not materialized. These insights, in turn, cast new light on several prominent proliferation case studies and the unique role of the United States in combating global proliferation. They have profound implications for engaging current or latent nuclear proliferants, underscoring the centrality of buying time as the key component of a non- proliferation strategy. The article begins with a brief review of contemporary nuclear proliferation concerns. It then takes stock of the surprisingly large documented universe of nuclear reversal cases and the relevant literature.1 It proceeds to examine the empirical challenges that bedeviled many of the earlier studies, possibly skew- ing their theoretical findings. Next, it discusses the features of the nuclear reversal and restraint phenomena and the forces that inºuence them. In this context, it introduces and illustrates an alternative explanation for the nu- clear behavior of many states based on the notion of nuclear hedging. It draws on this notion and other inputs to reassess the role that the United States At the time this article was written, Ariel E. -
Submission to the Nuclear Power Debate Personal Details Kept Confidential
Submission to the Nuclear power debate Personal details kept confidential __________________________________________________________________________________________ Firstly I wish to say I have very little experience in nuclear energy but am well versed in the renewable energy one. What we need is a sound rational debate on the future energy requirements of Australia. The calls for cessation of nuclear investigations even before a debate begins clearly shows that emotion rather than facts are playing a part in trying to stop the debate. Future energy needs must be compliant to a sound strategy of consistent, persistent energy supply. This cannot come from wind or solar. Lets say for example a large blocking high pressure weather system sits over the Victorian, NSW land masses in late summer- autumn season. We will see low winds for anything up to a week, can the energy market from the other states support the energy needs of these states without coal or gas? I think not. France has a large investment in nuclear energy and charges their citizens around half as much for it than Germany. Sceptics complain about the costs of storage of waste, they do not suggest what is going to happen to all the costs to the environment when renewing of derelict solar panels and wind turbine infrastructure which is already reaching its use by dates. Sceptics also talk about the dangers of nuclear energy using Chernobyl, Three Mile Island and Fuklushima as examples. My goodness given that same rationale then we should have banned flight after the first plane accident or cars after the first car accident. -
High Level Framework for Process Safety Management
High level framework for process safety management IMPORTANT: This file is subject to a licence agreement issued by the Energy Institute, London, UK. All rights reserved. It may only be used in accordance with the licence terms and conditions. It must not be forwarded to, or stored or accessed by, any unauthorised user. Enquiries: e: [email protected] t: +44 (0)207 467 7100 HIGH LEVEL FRAMEWORK FOR PROCESS SAFETY MANAGEMENT 1st edition December 2010 Published by ENERGY INSTITUTE, LONDON The Energy Institute is a professional membership body incorporated by Royal Charter 2003 Registered charity number 1097899 IMPORTANT: This file is subject to a licence agreement issued by the Energy Institute, London, UK. All rights reserved. It may only be used in accordance with the licence terms and conditions. It must not be forwarded to, or stored or accessed by, any unauthorised user. Enquiries: e: [email protected] t: +44 (0)207 467 7100 The Energy Institute (EI) is the leading chartered professional membership body supporting individuals and organisations across the energy industry. With a combined membership of over 13 500 individuals and 300 companies in 100 countries, it provides an independent focal point for the energy community and a powerful voice to engage business and industry, government, academia and the public internationally. As a Royal Charter organisation, the EI offers professional recognition and sustains personal career development through the accreditation and delivery of training courses, conferences and publications and networking opportunities. It also runs a highly valued technical work programme, comprising original independent research and investigations, and the provision of EI technical publications to provide the international industry with information and guidance on key current and future issues. -
Chapter 4 — Fuel Cycles
MIT_ch04_29-36.qxd 7/16/2003 1:26 PM Page 29 Chapter 4 — Fuel Cycles The description of a possible global growth sce- one over the other will inevitably be a matter of nario for nuclear power with 1000 or so GWe judgment. All too often, advocates of a particu- deployed worldwide must begin with some lar reactor type or fuel cycle are selective in specification of the nuclear fuel cycles that will emphasizing criteria that have led them to pro- be in operation. The nuclear fuel cycle refers to pose a particular candidate. We believe that all activities that occur in the production of detailed and thorough analysis is needed to nuclear energy. properly evaluate the many fuel cycle alterna- tives. It is important to emphasize that producing nuclear energy requires more than a nuclear We do not believe that a new technical configu- reactor steam supply system and the associated ration exists that meets all the criteria we have turbine-generator equipment required to pro- set forth, e.g. there is not a technical ‘silver bul- duce electricity from the heat created by let’ that will satisfy each of the criteria. nuclear fission. The process includes ore min- Accordingly, the choice of the best technical ing, enrichment, fuel fabrication, waste man- path requires a judgment balancing the charac- agement and disposal, and finally decontami- teristics of a particular fuel cycle against how nation and decommissioning of facilities. All well it meets the criteria we have adopted. steps in the process must be specified, because each involves different technical, economic, Our analysis separates fuel cycles into two classes: safety, and environmental consequences. -
Re-Examining the Role of Nuclear Fusion in a Renewables-Based Energy Mix
Re-examining the Role of Nuclear Fusion in a Renewables-Based Energy Mix T. E. G. Nicholasa,∗, T. P. Davisb, F. Federicia, J. E. Lelandc, B. S. Patela, C. Vincentd, S. H. Warda a York Plasma Institute, Department of Physics, University of York, Heslington, York YO10 5DD, UK b Department of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH c Department of Electrical Engineering and Electronics, University of Liverpool, Liverpool, L69 3GJ, UK d Centre for Advanced Instrumentation, Department of Physics, Durham University, Durham DH1 3LS, UK Abstract Fusion energy is often regarded as a long-term solution to the world's energy needs. However, even after solving the critical research challenges, engineer- ing and materials science will still impose significant constraints on the char- acteristics of a fusion power plant. Meanwhile, the global energy grid must transition to low-carbon sources by 2050 to prevent the worst effects of climate change. We review three factors affecting fusion's future trajectory: (1) the sig- nificant drop in the price of renewable energy, (2) the intermittency of renewable sources and implications for future energy grids, and (3) the recent proposition of intermediate-level nuclear waste as a product of fusion. Within the scenario assumed by our premises, we find that while there remains a clear motivation to develop fusion power plants, this motivation is likely weakened by the time they become available. We also conclude that most current fusion reactor designs do not take these factors into account and, to increase market penetration, fu- sion research should consider relaxed nuclear waste design criteria, raw material availability constraints and load-following designs with pulsed operation. -
Good Plant Design and Operation for Onshore Carbon Capture Installations and Onshore Pipelines
Good plant design and operation for onshore carbon capture installations and onshore pipelines Registered Charity Number 1097899 GOOD PLANT DESIGN AND OPERATION FOR ONSHORE CARBON CAPTURE INSTALLATIONS AND ONSHORE PIPELINES A Recommended Practice Guidance Document First edition September 2010 Published by ENERGY INSTITUTE, LONDON The Energy Institute is a professional membership body incorporated by Royal Charter 2003 Registered charity number 1097899 The Energy Institute (EI) is the leading chartered professional membership body supporting individuals and organisations across the energy industry. With a combined membership of over 13 500 individuals and 300 companies in 100 countries, it provides an independent focal point for the energy community and a powerful voice to engage business and industry, government, academia and the public internationally. As a Royal Charter organisation, the EI offers professional recognition and sustains personal career development through the accreditation and delivery of training courses, conferences and publications and networking opportunities. It also runs a highly valued technical work programme, comprising original independent research and investigations, and the provision of EI technical publications to provide the international industry with information and guidance on key current and future issues. The EI promotes the safe, environmentally responsible and efficient supply and use of energy in all its forms and applications. In fulfilling this purpose the EI addresses the depth and breadth of energy and the energy system, from upstream and downstream hydrocarbons and other primary fuels and renewables, to power generation, transmission and distribution to sustainable development, demand side management and energy efficiency. Offering learning and networking opportunities to support career development, the EI provides a home to all those working in energy, and a scientific and technical reservoir of knowledge for industry. -
Multilateral Approaches to the Nuclear Fuel Cycle Expert Group Report to the Director General of the IAEA MULTILATERAL APPROACHES to the NUCLEAR FUEL CYCLE
Multilateral Approaches to the Nuclear Fuel Cycle Expert Group Report to the Director General of the IAEA MULTILATERAL APPROACHES TO THE NUCLEAR FUEL CYCLE EXPERT GROUP REPORT TO THE DIRECTOR GENERAL OF THE INTERNATIONAL ATOMIC ENERGY AGENCY The report of the Expert Group was officially released on 22 February 2005 as an IAEA Information Circular (INFCIRC/640), and circulated for discussion among IAEA Member States, as well as others. This version of the Expert Group's report has been published by the IAEA for the benefit of a wider audience. MULTILATERAL APPROACHES TO THE NUCLEAR FUEL CYCLE EXPERT GROUP REPORT TO THE DIRECTOR GENERAL OF THE INTERNATIONAL ATOMIC ENERGY AGENCY INTERNATIONAL ATOMIC ENERGY AGENCY VIENNA, 2005 COPYRIGHT NOTICE All IAEA scientific and technical publications are protected by the terms of the Universal Copyright Convention as adopted in 1952 (Berne) and as revised in 1972 (Paris). The copyright has since been extended by the World Intellectual Property Organization (Geneva) to include electronic and virtual intellectual property. Permission to use whole or parts of texts contained in IAEA publications in printed or electronic form must be obtained and is usually subject to royalty agreements. Proposals for non-commercial reproductions and translations are welcomed and will be considered on a case by case basis. Enquiries should be addressed by email to the Publishing Section, IAEA, at [email protected] or by post to: Sales and Promotion Unit, Publishing Section International Atomic Energy Agency Wagramer Strasse 5 P.O. Box 100 A-1400 Vienna Austria fax: +43 1 2600 29302 tel.: +43 1 2600 22417 http://www.iaea.org/Publications/index.html © IAEA, 2005 Permission to reproduce or translate the information contained in this publication may be obtained by writing to the International Atomic Energy Agency, Wagramer Strasse 5, P.O.