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ASTM International - ASTM E2956-21

Standard Guide for Monitoring the Neutron Exposure of LWR Reactor Pressure Vessels

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Organization: ASTM International
Publication Date: 1 February 2021
Status: inactive
Page Count: 12
ICS Code (Reactor engineering): 27.120.10
significance And Use:

4.1 Regulatory Requirements-The USA Code of Federal Regulations (10CFR Part 50, Appendix H) requires the implementation of a reactor vessel materials surveillance program for all operating LWRs.... View More

scope:

1.1 This guide establishes the means and frequency of monitoring the neutron exposure of the LWR reactor pressure vessel throughout its operating life.

1.2 The physics-dosimetry relationships determined from this guide may be used to estimate reactor pressure vessel damage through the application of Practice E693 and Guide E900, using fast neutron fluence (E > 1.0 MeV and E > 0.1 MeV), displacements per atom - dpa, or damage-function-correlated exposure parameters as independent exposure variables. Supporting the application of these standards are the E853, E944, E1005, and E1018 standards, identified in 2.1.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

September 1, 2023
Standard Guide for Monitoring the Neutron Exposure of LWR Reactor Pressure Vessels
4.1 Regulatory Requirements—The USA Code of Federal Regulations (10CFR Part 50, Appendix H) requires the implementation of a reactor vessel materials surveillance program for all operating LWRs....
ASTM E2956-21
February 1, 2021
Standard Guide for Monitoring the Neutron Exposure of LWR Reactor Pressure Vessels
4.1 Regulatory Requirements—The USA Code of Federal Regulations (10CFR Part 50, Appendix H) requires the implementation of a reactor vessel materials surveillance program for all operating LWRs....
February 1, 2014
Standard Guide for Monitoring the Neutron Exposure of LWR Reactor Pressure Vessels
4.1 Regulatory Requirements—The USA Code of Federal Regulations (10CFR Part 50, Appendix H) requires the implementation of a reactor vessel materials surveillance program for all operating LWRs....
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