NSF 46-2007
Evaluation of components and devices used in wastewater treatment systems
standard by NSF International, 01/05/2007
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NSF 169-2012
Special purpose food equipment and devices
standard by NSF International, 08/08/2012
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NSF 245-2018
Residential Wastewater Treatment Systems – Nitrogen Reduction
standard by NSF International, 01/24/2018
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NSF 14-2015
Plastics Piping System Components and Related Materials
standard by NSF International, 08/12/2014
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NSF 44-2002 Addendum
NSF/ANSI 44 – 2002, Addendum 1.0 – 2002: Residential cation exchange water softeners
Amendment by NSF International, 07/31/2002
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NSF 52-2003
Supplemental Flooring
standard by NSF International, 08/26/2003
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NSF 50-2012
Equipment for Swimming Pools, Spas, Hot Tubs and other Recreational Water Facilities
standard by NSF International, 09/16/2012
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NSF 51-2014
Food Equipment Materials
standard by NSF International, 10/05/2014
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NSF 330-2018
Glossary of drinking water treatment unit terminology
standard by NSF International, 01/25/2018
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