Historical
NSF/ANSI 245-2022
Residential Wastewater Treatment Systems - Nitrogen Reduction
This standard contains minimum requirements for residential wastewater treatment systems having rated treatment capacities of 1,514 LPD (400 GPD) to 5,678 LPD (1,500 GPD) that are designed to provide reduction of nitrogen in residential wastewater.
Content Provider
NSF International [nsf]