Historical
NSF/ANSI 42-2014
Drinking Water Treatment Units - Aesthetic Effects
The point-of-use and point-of-entry systems addressed by this Standard are designed to be used for the reduction of specific substances that may be present in drinking water (public or private) considered to be microbiologically safe and of known quality. Systems covered under this Standard are intended to reduce substances affecting the aesthetic quality of the water or to add chemicals for scale control, or both.
Content Provider
NSF International [nsf]
