About ANS
- ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
About Nuclear
- Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
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- Explore membership for yourself or for your organization.
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- Conference Spotlight
  2025 ANS Winter Conference & Expo
  November 9–12, 2025
  Washington, DC|Washington Hilton
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- 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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  Oct 2025
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  November 2025
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  October 2025
- Latest News
  Senate EPW Committee to hold Nieh nomination hearing
  Nieh
  The Senate Environment and Public Works Committee will hold a nomination hearing Wednesday for Ho Nieh, President Donald Trump’s nominee to serve as commission at the Nuclear Regulatory Commission.
  Trump nominated Nieh on July 30 to serve as NRC commissioner the remainder of a term that will expire June 30, 2029, as Nuclear NewsWire previously reported.
  Nieh has been vice president of regulatory affairs at Southern Nuclear since 2021, though since June 2024 he has been at the Institute of Nuclear Power Operations as a loaned executive.
  A return to the NRC: If confirmed by the Senate, Nieh would be returning to the NRC after three previous stints totaling nearly 20 years.
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Sulzer Pumps US Inc.

Sulzer has a network of manufacturing facilities and service centers across North America, all available to serve the power generation industry. The Sulzer Nuclear Service Center (SNSC) in Chattanooga, TN has an audited and approved quality program which meets 10CFR50 Appendix B and 10CFR50 Part 21 requirements. This facility also holds N-stamp and NPT-stamp Certificates of Authorization for ASME Section III Classes 1, 2 and 3. The SNSC offers on site pump testing to validate pump performance.