• 2019-12-29
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NSF 40-2004 Addendum 1.0

Residential Wastewater Treatment Systems
Amendment by NSF International, 04/12/2005

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NSF 360-2014

Wastewater Treatment Systems – Field Performance Verification
standard by NSF International, 10/27/2014

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NSF 14-2010

Plastics Piping System Components and Related Materials
standard by NSF International, 04/18/2010

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NSF 61-2014a

Drinking Water System Components – Health Effects – Includes Errata 1 and 2, June, 2015
standard by NSF International, 10/19/2014

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NSF 330-2014

Glossary of drinking water treatment unit terminology
standard by NSF International, 10/16/2014

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NSF 55-2013

Ultraviolet Microbiological Water Treatment Systems
standard by NSF International, 06/11/2013

• 2019-12-29
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NSF 44-2012

Residential Cation Exchange Water Softeners
standard by NSF International, 02/29/2012

• 2019-12-29
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NSF 169-2016

Special purpose food equipment and devices
standard by NSF International, 12/11/2016

• 2019-12-29
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NSF 58-2018

Reverse Osmosis Drinking Water Treatment Systems
standard by NSF International, 2018

• 2019-12-29
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NSF 53-2018

Drinking water treatment units – Health effects
standard by NSF International, 2018