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About This Item

 

Full Description

This standard covers UV microbiological water treatment systems and components for point-of-use (POU) and point-of-entry (POE) applications. This standard covers systems which use UV radiation within the range of 240 nm to 300 nm inclusive.

 

Document History

  1. NSF/ANSI 55-2022

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    Ultraviolet Microbiological Water Treatment Systems

    • Most Recent
  2. NSF/ANSI 55-2021


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  3. NSF/ANSI 55-2020


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  4. NSF/ANSI 55-2019


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  5. NSF 55-2018


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  6. NSF 55-2017


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  7. NSF 55-2016


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  8. NSF 55-2015


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  9. NSF 55-2014


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  10. NSF 55-2013


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  11. NSF 55-2012


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  12. NSF 55-2009


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  13. NSF 55-2007


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  14. NSF 55-2004


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  15. NSF 55-2002


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version
  16. NSF 55-2000


    Ultraviolet Microbiological Water Treatment Systems

    • Historical Version