Circulation System Components and Related Materials for Swimming Pools, Spas/Hot Tubs
standard by NSF International, 05/10/2000

Drinking Water Treatment Chemicals – Health Effects
standard by NSF International, 10/01/2003

Drinking water system components – Lead content
standard by NSF International, 07/31/2011

Commercial Powered Food Preparation Equipment
standard by NSF International, 09/15/2000

Reverse Osmosis Drinking Water Treatment Systems
standard by NSF International, 12/01/2013

Drinking Water System Components – Health Effects
standard by NSF International, 10/22/2003

Drinking Water Treatment Units – Aesthetic Effects
standard by NSF International, 12/05/2012

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

Evaluation of components and devices used in wastewater treatment systems
standard by NSF International, 02/25/2009

Dietary Supplements
standard by NSF International, 07/12/2005