NSF 52-2003

Supplemental Flooring
standard by NSF International, 08/26/2003

NSF 50-2010

Equipment for Swimming Pools, Spas, Hot Tubs and other Recreational Water Facilities – Evaluation criteria for materials, components, products, equipment and systems for use at recreational water facilities
standard by NSF International, 08/01/2010

NSF 46-2007 Addendum 1

Addendum 1 to Evaluation of components and devices used in wastewater treatment systems
Amendment by NSF International, 02/28/2007

NSF 2-2005

Food Equipment
standard by NSF International, 03/01/2005

NSF 46-2007

Evaluation of components and devices used in wastewater treatment systems
standard by NSF International, 01/05/2007

NSF 169-2012

Special purpose food equipment and devices
standard by NSF International, 08/08/2012

NSF 245-2018

Residential Wastewater Treatment Systems – Nitrogen Reduction
standard by NSF International, 01/24/2018

NSF 49-2012

Biosafety Cabinetry: Design, Construction, Performance, and Field Certification
standard by NSF International, 11/27/2012

NSF 14-2019

Plastics Piping System Components and Related Materials
standard by NSF International, 10/18/2019

NSF 50-2012

Equipment for Swimming Pools, Spas, Hot Tubs and other Recreational Water Facilities
standard by NSF International, 09/16/2012