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About This Item


Full Description

Definitions covered by this standard consist of terminology related to wastewater technology, including terms describing equipment, materials, design, construction, and performance testing. This standard includes common definitions of terms used throughout NSF Wastewater Technology standards.


Document History

  1. NSF/ANSI 437-2022

    Glossary of Wastewater Technology Terminology

    • Most Recent
  2. NSF/ANSI 437-2021


    Glossary of Wastewater Technology Terminology

    • Historical Version