NSF 50-2012

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

NSF 53-2017

Drinking water treatment units – Health effects
standard by NSF International, 04/26/2017

NSF 358-1-2012

Polyethylene Pipe and Fittings for Water-Based Ground-Source Geothermal Heat Pump Systems
standard by NSF International, 07/01/2012

NSF 29-2012

Detergent and chemical feeders for commercial spray-type dishwashing machines
standard by NSF International, 08/08/2012

NSF 600-2018

Health Effects Evaluation and Criteria for Chemicals in Drinking Water
standard by NSF International, 02/22/2019

NSF 350-2014

Onsite residential and commercial water reuse treatment systems
standard by NSF International, 12/08/2014