NSF 55-2019

Ultraviolet Microbiological Water Treatment Systems
standard by NSF International, 09/01/2019

NSF 46-2013

Evaluation of components and devices used in wastewater treatment systems
standard by NSF International, 12/01/2013

NSF 62-2015

Drinking Water Distillation Systems
standard by NSF International, 10/01/2015

NSF 41-2005

Non-Liquid Saturated Treatment Systems
standard by NSF International, 03/28/2005

NSF 240-2011

Drainfield Trench Product Sizing for Gravity Dispersal Onsite Wastewater Treatment and Dispersal Systems
standard by NSF International, 11/29/2011

NSF 14-2008e

Plastics Piping System Components and Related Materials
standard by NSF International, 05/20/2008

NSF 350-2017a

Onsite residential and commercial water reuse treatment systems
standard by NSF International, 05/31/2017

NSF 401-2019

Drinking Water Treatment Units – Emerging Compounds / Incidental Contaminants
standard by NSF International, 03/01/2020

NSF 7-2007

Commercial Refrigerators and Freezers
standard by NSF International, 06/01/2007