Historical
NSF/ANSI 46-2018
Evaluation of Components and Devices Used in Wastewater Treatment Systems
This Standard is intended for use with components and devices not covered by other NSF wastewater standards. Components and devices covered by this Standard are intended for use with greywater or blackwater, or both. Management methods for the end-products of these components and devices are not addressed in this Standard.
NSF International [nsf]