NSF 40-1999

Residential Wastewater Treatment Systems
standard by NSF International, 01/18/1999

NSF 173-2010

Dietary Supplements
standard by NSF International, 02/26/2011

NSF 18-2007

Manual Food and Beverage Dispensing Equipment
standard by NSF International, 04/03/2007

NSF 177-2004

Shower filtration systems – Aesthetic effects
standard by NSF International, 09/03/2004

NSF 5-2019

Water Heaters, Hot Water Supply Boilers, and Heat Recovery Equipment
standard by NSF International, 09/01/2019

NSF 53-2002

Drinking Water Treatment Units-Health Effects
standard by NSF International, 02/15/2002

NSF 173-2008

Dietary Supplements
standard by NSF International, 04/14/2008

NSF 100-1995

Environmental Auditing – Principals and General Practices – OBSOLETE
standard by NSF International, 01/01/1995

NSF 14-2015

Plastics Piping System Components and Related Materials
standard by NSF International, 08/12/2014

NSF 44-2002 Addendum

NSF/ANSI 44 – 2002, Addendum 1.0 – 2002: Residential cation exchange water softeners
Amendment by NSF International, 07/31/2002