CGA Publication G-5.5 Hydrogen Vent Systems Published United States
Organization	Compressed Gas Association
Identification	CGA G-5.5 Hydrogen Vent Systems
Abstract	Presents design guidelines for hydrogen vent systems for gaseous and liquid hydrogen installations at consumer sites, and provides recommendations for their safe operation. This standard should be a useful reference for personnel who design, install, and maintain hydrogen vent systems.
Status	Fourth edition published April 2021.  Available at www.cganet.com Testing radiation to enable better siting will be conducted in Minnesota (postponed until spring 2021). This information is expected to affect the size of stacks and separation distances for the 5^th edition.