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Division Spotlight
Materials Science & Technology
The objectives of MSTD are: promote the advancement of materials science in Nuclear Science Technology; support the multidisciplines which constitute it; encourage research by providing a forum for the presentation, exchange, and documentation of relevant information; promote the interaction and communication among its members; and recognize and reward its members for significant contributions to the field of materials science in nuclear technology.
Meeting Spotlight
2024 ANS Winter Conference and Expo
November 17–21, 2024
Orlando, FL|Renaissance Orlando at SeaWorld
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Latest News
Proposed rule for more flexible licensing under Part 53 is open for comment
The Nuclear Regulatory Commission has published a proposed rule that has been five years in the making: Risk-Informed, Technology-Inclusive Regulatory Framework for Advanced Reactors. The rule, which by law must take its final form before the end of 2027, would let the NRC and license applicants use technology-inclusive approaches and risk-informed, performance-based techniques to effectively license any nuclear technology. This is a departure from two licensing options with light water reactor–specific regulatory requirements that applicants can already choose.
D. William Tedder
Nuclear Technology | Volume 59 | Number 1 | October 1982 | Pages 78-84
Technical Paper | Radioactive Waste Management | doi.org/10.13182/NT82-A33054
Articles are hosted by Taylor and Francis Online.
The disposal of radioactive wastes by launching them into space will require extensive treatment and preparation on the ground in order to convert these wastes into suitable payloads. If a particular radioactive element is to be managed by space disposal, then it will have to be separated from the wastes, concentrated, and converted into a suitable disposal form for launch. In many cases, this waste management approach will result in the construction and operation of highly complex and expensive radiochemical plants for treating many fuel cycle wastes and producing the necessary payloads. In addition, secondary wastes will usually result from the chemical processing steps that are required to produce these payloads. Also, some of the payloads that appear most attractive for space disposal with respect to launch requirements cause significant problems with respect to ground processing. Therefore, the decision to produce any particular payload for disposal must consider all of the ramifications for the ground processing systems as well as the launch vehicle. Preliminary evaluations of some of the projected impacts on ground systems, such as secondary waste production and radiochemical processing requirements, are presented for iodine, 14C, technetium, strontium, cesium, and actinide/lanthanide payloads that result from processing light water reactor fuel cycle wastes.