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About This Item

 

Full Description

The purpose of this Standard is to establish minimum requirements for the reduction of microorganisms using ultraviolet radiation (UV). UV water treatment systems covered by this Standard are intended for water that may be either microbiologically safe or microbiologically unsafe. This Standard also specifies the minimum product literature and labeling information that a manufacturer shall supply to authorized representatives and system owners, as well as the minimum service-related obligations that the manufacturer shall extend to system owners.
 

Document History

  1. NSF/ANSI 55-2022


    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

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    viewing


    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