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NSF 53

Drinking Water Treatment Units – Health Effects

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Organization: NSF
Publication Date: 6 May 2019
Status: active
Page Count: 180
scope:

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 that are considered established or potential health hazards. They may be chemical or particulate (including filterable cysts) in nature. It is recognized that a system may be effective in controlling one or more of these contaminants, but systems are not required to control all. Systems with manufacturer claims that include components or functions covered under other NSF or NSF/ANSI Standards or Criteria shall conform to the applicable requirements therein. Systems covered by this Standard are not intended to be used with drinking water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.

NOTE - Systems that are compliant with NSF/ANSI 55 Class A or other standards that cover technologies to treat microbiologically unsafe water (e.g., US EPA Guide Standard and Protocol for Testing Microbiological Water Purifiers or NSF P231) are examples of demonstrating adequate disinfection before or after the system.

Purpose

It is the purpose of this Standard to establish minimum requirements for materials, design and construction, and performance of point-of-use and point-of-entry drinking water treatment systems that are designed to reduce specific health-related contaminants in public or private water supplies. Such systems include point-of-entry drinking water treatment systems used to treat all or part of the water at the inlet to a residential facility or a bottled water production facility, and includes the material and components used in these systems. This Standard also specifies the minimum product literature and labeling 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.

Document History

NSF 53
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.
53
June 20, 2002
Drinking Water Treatment Units Health Effects
A description is not available for this item.
53E
January 25, 2002
Drinking Water Treatment Units Health Effects
A description is not available for this item.
January 25, 2002
Drinking Water Treatment Units Health Effects
A description is not available for this item.

References

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