NSF/ANSI 53-2011a

It is the purpose of this Standard to establish minimum requirements for materials, design andconstruction, and performance of point-of-use and point-of-entry drinking water treatment systems thatare designed to reduce specific health-related contaminants in public or private water supplies. Suchsystems include point-of-entry drinking water treatment systems used to treat all or part of the water at theinlet to a residential facility or a bottled water production facility, and includes the material andcomponents used in these systems. This Standard also specifies the minimum product literature andlabeling information that a manufacturer shall supply to authorized representatives and system owners,as well as the minimum service-related obligations that the manufacturer shall extend to system owners.

This product replaces:NSF/ANSI 53-2011 - Drinking Water Treatment Units-Health Effects

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NSF/ANSI 53-2011a
NSF/ANSI 53-2011
NSF/ANSI 53-2010
NSF/ANSI 53-2009e
NSF/ANSI 53-2009
NSF/ANSI 53-2007a Addendum 1.0
NSF/ANSI 53-2007a
NSF/ANSI 53-2007
NSF/ANSI 53-2006
NSF/ANSI 53-2005
NSF/ANSI 53-2004
NSF/ANSI 53-2002e Addendum 1.0
NSF/ANSI 53-2002e
NSF/ANSI 53-2002 Addendum 2.0
NSF/ANSI 53-2002 Addendum
NSF/ANSI 53-2002
NSF/ANSI 53-2000a
NSF/ANSI 53-2000
NSF/ANSI 53-2001