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NSF - 53 ADD

Drinking Water Treatment Units - Health Effects

active, Most Current
Organization: NSF
Publication Date: 1 April 2023
Status: active
Page Count: 16
scope:

Purpose

While NSF/ANSI 42 and NSF/ANSI 53 address both point-of-use (POU) and point-of-entry (POE) devices, very few POE units have been tested and certified by third-party certifiers over the years. This is partly due to the amount of time and expenses related to testing the larger-sized POE units which are sold to users in much smaller numbers.

The following examples provide a mechanism to test smaller units and extrapolate to POE-sized systems for the same contaminant and claim. Manufacturers and certifiers are encouraged to consider this approach to evaluate POE systems to increase the availability of certified products in the marketplace and help address the needs of small community systems and private wells that are either out of compliance or at risk of contaminated drinking water sources.

Document History

53 ADD
April 1, 2023
Drinking Water Treatment Units - Health Effects
Purpose While NSF/ANSI 42 and NSF/ANSI 53 address both point-of-use (POU) and point-of-entry (POE) devices, very few POE units have been tested and certified by third-party certifiers over the...
53
July 7, 2022
Drinking Water Treatment Units - Health Effects
The POU and POE 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...
August 16, 2020
Drinking Water Treatment Units – Health 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)...
May 6, 2019
Drinking Water Treatment Units – Health 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)...
July 15, 2018
Drinking Water Treatment Units - Health 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)...
April 26, 2017
Drinking Water Treatment Units - Health 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)....
August 14, 2016
Drinking Water Treatment Units - Health 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)....
April 19, 2015
Drinking Water Treatment Units - Health 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)....
August 18, 2014
Drinking Water Treatment Units - Health 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)....
February 16, 2014
Drinking Water Treatment Units - Health Effects
A description is not available for this item.
June 11, 2013
Drinking Water Treatment Units - Health 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)....
December 5, 2012
Drinking Water Treatment Units - Health 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)....
April 1, 2012
Drinking Water Treatment Units - Health 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)....
April 20, 2011
Drinking Water Treatment Units - Health 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)....
August 6, 2010
Drinking Water Treatment Units - Health 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)....
August 28, 2009
Drinking Water Treatment Units - Health 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)....
August 28, 2009
Drinking Water Treatment Units - Health 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)....
March 1, 2008
Drinking water treatment units - Health effects
A description is not available for this item.
July 10, 2007
Drinking water treatment units - Health effects
A description is not available for this item.
February 5, 2007
Drinking water treatment units - Health effects
A description is not available for this item.
January 12, 2006
Drinking water treatment units - Health effects
A description is not available for this item.
January 12, 2006
Drinking water treatment units - Health effects
A description is not available for this item.
February 21, 2005
Drinking Water Treatment Units - Health Effects
A description is not available for this item.
September 27, 2004
Drinking Water Treatment Units - Health Effects
A description is not available for this item.
June 20, 2002
Drinking Water Treatment Units Health Effects
A description is not available for this item.
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