American National Standards Institute
http://www.ansi.org
Bureau de Normalisation du Québec (BNQ)
http://www.bnq.qc.ca/en/
CSA International
http://www.csagroup.org/
EPA Office of Wastewater Management
OWM Oversees a wide range of programs contributing to the well-being of the nation’s waters and watersheds
http://www.epa.gov/OWM
NSF International
(National Sanitation Foundation)
http://www.nsf.org
Underwriters Laboratories
http://www.ul.com