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About This Item

 

Full Description

The purpose of this Standard is to establish minimum materials, design and construction, and performance requirements for residential wastewater treatment systems. This standard also specifies the minimum literature that manufacturers shall supply to authorized representatives and owners as well as the minimum service-related obligations that manufacturers shall extend to owners.
 

Document History

  1. NSF/ANSI 40-2023


    Residential Wastewater Treatment Systems

    • Most Recent
  2. NSF/ANSI 40-2022


    Residential Wastewater Treatment Systems

    • Historical Version
  3. NSF/ANSI 40-2020


    Residential Wastewater Treatment Systems

    • Historical Version
  4. NSF/ANSI 40-2019


    Residential Wastewater Treatment Systems

    • Historical Version
  5. NSF 40-2018


    Residential Wastewater Treatment Systems

    • Historical Version
  6. NSF 40-2013


    Residential Wastewater Treatment Systems

    • Historical Version
  7. NSF 40-2012


    Residential Wastewater Treatment Systems

    • Historical Version
  8. NSF 40-2010

    👀currently
    viewing


    Residential Wastewater Treatment Systems

    • Historical Version
  9. NSF 40-2009


    Residential Wastewater Treatment Systems

    • Historical Version
  10. NSF 40-2005


    Residential Wastewater Treatment Systems

    • Historical Version
  11. NSF 40-2004


    Residential Wastewater Treatment Systems

    • Historical Version
  12. NSF 40-2000


    Residential Wastewater Treatment Systems

    • Historical Version
  13. NSF 40-1999


    Residential Wastewater Treatment Systems

    • Historical Version