American Nuclear Society (ANS) News

Approval of proposed standards (13), drafts in development (29), projects at ballot or resolving ballot comments (7), and ANS recently approved standards.

Approval of Proposed Standards Projects (13)

Before work on a draft standard can begin, a Project Initiation Notification System (PINS) form must be approved and submitted to the American National Standards Institute (ANSI). The following projects have PINS forms in the development and/or approval process:

  • ANS-2.10-201x, “Criteria for the Handling and Initial Evaluation of Records from Nuclear Power Plant Seismic Instrumentation” [proposed revision of ANSI/ANS-2.10-2003 (W2013)]
  • ANS-2.18-201x, “Evaluating Radionuclide Transport in Surface Water for Nuclear Power Sites” (proposed new standard)
  • ANS-2.27-201x, “Criteria for Investigations of Nuclear Facility Sites for Seismic Hazard Assessments” [proposed revision of ANSI/ANS-2.27-2008 (R2016)]
  • ANS-2.29-201x, “Probabilistic Seismic Hazard Analysis” [proposed revision of ANSI/ANS-2.29-2008 (R2016)]
  • ANS-2.33-201x, “Aquatic Ecological Surveys Required for Siting, Design, and Operation of Nuclear Power Plants” (formerly designated ANS-18.4) (proposed new standard – title TBD)
  • ANS-2.34-201x, “Probabilistic Volcanic Hazard Assessment” (proposed new standard – titled TBD)
  • ANS-3.15-201x, “Cybersecurity Standard” (proposed new standard – titled TBD)
  • ANS-6.1.1-201x, “Neutron and Gamma-Ray Fluence-to-Dose Factors” [proposed revision of ANSI/ANS- 6.1.1-1991 (W2001)]
  • ANS-8.1-201x, “Nuclear Criticality Safety in Operations with Fissionable Materials Outside Reactors” (proposed revision of ANSI/ANS-8.1-2014)
  • ANS-15.22-201x, “Classification of Structures, Systems and Components for Research Reactors” (proposed new standard)
  • ANS-16.1-201x, “Measurement of the Leachability of Solidified Low-Level Radioactive Wastes by a Short-Term Test Procedure” [proposed revision of ANSI/ANS-16.1-2003 (R2017)]
  • ANS-56.1-201x, “Containment Hydrogen Control Standard” (proposed new standard – titled TBD)
  • ANS-60.1-201x, “Export Control Standard” (proposed new standard – titled TBD)

Drafts in Development (29)

The following projects have approved PINS forms and are in development:

  • ANS-2.6-201x, “Guidelines for Estimating Present & Projecting Future Population Distributions Surrounding Nuclear Facility Sites” (proposed new project)
  • ANS-2.9-201x, “Evaluation of Ground Water Supply for Nuclear Facilities” [revision of withdrawn standard ANSI/ANS-2.9-1980 (R1989)]
  • ANS-2.16-201x, “Criteria for Modeling Design-Basis Accidental Releases from Nuclear Facilities” (new standard)
  • ANS-2.25-201x, “Surveys of Ecology Needed to License Nuclear Facilities” (new standard)
  • ANS-3.8.10-201x, “Criteria for Modeling Real-Time Accidental Releases at Nuclear Facilities” (new standard)
  • ANS-3.13-201x, “Nuclear Facility Reliability Assurance Program (RAP) Development” (new standard)
  • ANS-3.14-201x, “Process for Aging Management and Life Extension of Nonreactor Nuclear Facilities” (new standard)
  • ANS-6.4.2-201x, “Specification for Radiation Shielding Materials for Nuclear Facilities” (revision of ANSI/ANS-6.4.2-2006)
  • ANS-6.4.3-201x, “Gamma-Ray Attenuation Coefficients & Buildup Factors for Engineering Materials” [revision of withdrawn standard ANSI/ANS-6.4.3-1991 (W2001)]
  • ANS-8.7-201x, “Nuclear Criticality Safety in the Storage of Fissile Materials” [proposed revision of ANSI/ANS-8.7-1998 (R2007)]
  • ANS-8.12-201x, “Nuclear Criticality Control and Safety of Plutonium-Uranium Fuel Mixtures Outside Reactors” [revision of ANSI/ANS-8.12-1987 (R2011)]
  • ANS-8.23-201x, “Nuclear Criticality Accident Emergency Planning and Response” [proposed revision of ANSI/ANS-8.23-2007 (R2012)]
  • ANS-8.24-201x, “Validation of Neutron Transport Methods for Nuclear Criticality Safety Calculations” [revision of ANSI/ANS-8.24-2007 (R2012)]
  • ANS-8.26-201x, “Criticality Safety Engineer Training and Qualification Program” [revision of ANSI/ANS- 8.26-2007 (R2012)]
  • ANS-8.28-201x, “Administrative Practices for the Use of Non-Destructive Assay Measurements for Nuclear Criticality Safety” (new standard)
  • ANS-19.1-201x, “Nuclear Data Sets for Reactor Design Calculations” [revision of ANSI/ANS-19.1-2002 (R2011)]
  • ANS-19.4-201x, “A Guide for Acquisition and Documentation of Reference Power Reactor Physics Measurements for Nuclear Analysis Verification” [proposed revision of withdrawn standard ANSI/ANS- 19.4-1976 (R2000) (W2010)]
  • ANS-19.5-201x, “Requirements for Reference Reactor Physics Measurements” [revision of withdrawn standard ANSI/ANS-19.5-1995 (W2005)]
  • ANS-19.6.1-201x, “Reload Startup Physics Tests for Pressurized Water Reactors” (proposed revision of ANSI/ANS-19.6.1-2011)
  • ANS-19.11-201x, “Calculation and Measurement of the Moderator Temperature Coefficient of Reactivity for Water Moderated Power Reactors” [revision of ANSI/ANS-19.11-1997 (R2011)]
  • ANS-20.1-201x, “Nuclear Safety Criteria and Design Criteria for Fluoride Salt-Cooled High-Temperature Reactor Nuclear Power Plants” (new standard)
  • ANS-20.2-201x, “Nuclear Safety Design Criteria and Functional Performance Requirements for LiquidFuel Molten Salt Reactor Nuclear Power Plants” (proposed new project)
  • ANS-30.1-201x, “Integration of Risk-Informed, Performance-Based Principles and Methods into Nuclear Safety Design for Nuclear Power Plants” (new standard)
  • ANS-30.2-201x, “Categorization and Classification of Structures, Systems, and Components for New Nuclear Power Plants” (proposed new project)
  • ANS-54.1-201x, “Nuclear Safety Criteria and Design Process for Liquid-Metal-Cooled Nuclear Power Plants” [revision of withdrawn standard ANSI/ANS-54.1-1989 (W1999)]
  • ANS-56.8-201x, “Containment System Leakage Testing Requirements” [revision of ANSI/ANS-56.8- 2002 (R2011)]
  • ANS-57.2-201x, “Design Requirements for Light Water Reactor Used Fuel Storage Facilities at Nuclear Power Plants” [revision of withdrawn standard ANSI/ANS-57.2-1983 (W1992)]
  • ANS-57.11-201x, “Integrated Safety Assessments for Nonreactor Nuclear Facilities” (new standard)
  • ANS-58.8-201x, “Time Response Design Criteria for Safety-Related Operator Actions” [revision of ANSI/ANS-58.8-1994 (R2008)]

 Projects at Ballot or Resolving Ballot Comments (7)

Projects at ballot have completed drafts that have been issued for subcommittee or consensus committee ballot/concurrent public review. Before proceeding, all comments must be considered. Multiple ballots may be needed before a draft is approved. The following draft standards are in the process of approval/comment resolution:

  • ANS-2.8-201x, “Probabilistic Evaluation of External Flood Hazards for Nuclear Facilities” [revision of withdrawn standard ANSI/ANS-2.8-1992 (W2002)]
  • ANS-3.5-201x, “Nuclear Power Plant Simulators for Use in Operator Training and Examination” (revision of ANSI/ANS-3.5-2009)
  • ANS-8.3-201x, “Criticality Accident Alarm System” [revision of ANSI/ANS-8.3-1997 (R2012)]
  • ANS-8.20-201x, “Nuclear Criticality Safety Training for Fissionable Materials Operations Outside Reactors” [revision of ANSI/ANS-8.20-1991 (R2005)]
  • ANS-8.21-201x, “Use of Fixed Neutron Absorbers in Nuclear Facilities Outside Reactors” [revision and consolidation of ANSI/ANS-8.21-1995 (R2011) and ANSI/ANS-8.5-1996 (R2011)]
  • ANS-51.10-201x, “Auxiliary Feedwater System for Pressurized Water Reactors” [revision of ANSI/ANS- 51.10-1991 (R2008)]
  • ANS-57.3-201x, “Design Requirements for New Fuel Storage Facilities at Light Water Reactor Plants” [revision of withdrawn standard ANSI/ANS-57.3-1983 (W1993)]

 ANS Recently Approved Standards

The following new or revised standards have recently received ANSI approval:

  • ANSI/ANS-2.2-2016, “Earthquake Instrumentation Criteria for Nuclear Power Plants” (revision of withdrawn standard ANSI/ANS-2.2-2002 – available for purchase)
  • ANSI/ANS-2.23-2016, “Nuclear Plant Response to an Earthquake” [revision of ANSI/ANS-2.23-2002 (R2009) – available for purchase]
  • ANSI/ANS-15.4-2016, “Selection and Training of Personnel for Research Reactors” (revision of ANSI/ANS-15.4-2007 – available for purchase)
  • ANSI/ANS-15.11-2016, “Radiation Protection at Research Reactors” (revision of ANSI/ANS-15.11-2009 – available for purchase)
  • ANSI/ANS-18.1-2016, “Radioactive Source Term for Normal Operation of Light Water Reactors” [revision of withdrawn standard ANSI/ANS-18.1-1999 (W2009) – available for purchase]

 Joint ANS/ASME Trial-Use Standards

  • ASME/ANS RA-S-1.2-2014, “Severe Accident Progression and Radiological Release (Level 2) PRA Standard for Nuclear Power Plant Applications for Light Water Reactors (LWRs)” (trial-use standard – available for purchase)
  • ASME/ANS RA-S-1.4-2013, “Probabilistic Risk Assessment Standard for Advanced Non-LWR Nuclear Power Plants,” (trial-use standard – available for purchase)
  • ANS/ASME-58.22-2014, “Requirements for Low Power and Shutdown Probabilistic Risk Assessment” (trial-use standard – available for purchase)