NSF/ANSI 42-2011

It is the purpose of this Standard to establish minimum requirements for materials, design andconstruction, and performance of drinking water treatment systems that are designed to reduce specificaesthetic-related (non-health effects) contaminants in public or private water supplies. This Standard alsospecifies the minimum product literature and labeling information that a manufacturer shall supply toauthorized representatives and system owners as well as the minimum service-related obligations thatthe manufacturer shall extend to system owners.

This product replaces:NSF/ANSI 42-2010 - Drinking Water Treatment Units - Aesthetic Effects

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NSF/ANSI 42-2011
NSF/ANSI 42-2010
NSF/ANSI 42-2009
NSF/ANSI 42-2007a Addendum 1.0
NSF/ANSI 42-2007a
NSF/ANSI 42-2007
NSF/ANSI 42-2007e
NSF/ANSI 42-2005e
NSF/ANSI 42-2005
NSF/ANSI 42-2002e Addendum 1.0
NSF/ANSI 42-2002e
NSF/ANSI 42-2002 Addendum 2.0
NSF/ANSI 42-2002 Addendum
NSF/ANSI 42-2002
NSF/ANSI 42-2000a
NSF/ANSI 42-2001