Historical
NSF/ANSI 40-2019
Residential Wastewater Treatment Systems
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.
CONTENT PROVIDER
NSF International [nsf]
NSF International [nsf]