NSF/ANSI 55-2012

The purpose of this Standard is to establish minimum requirements for the reduction of microorganismsusing ultraviolet radiation (UV). UV water treatment systems covered by this Standard are intended forwater that may be either microbiologically safe or microbiologically unsafe. This Standard also specifiesthe minimum product literature and labeling information that a manufacturer shall supply to authorizedrepresentatives and system owners, as well as the minimum service-related obligations that themanufacturer shall extend to system owners.

This product replaces:NSF/ANSI 55-2009 - Ultraviolet Microbiological Water Treatment Systems