CGA P-16
Recommended Procedures for Nitrogen Purging of Tank Cars
standard by Compressed Gas Association, 11/01/2014
NACE ASAE-ASABE B11 CGA ICC CTA
Standard for Nitrous Oxide Systems at Customer Sites, Fifth Edition
standard by Compressed Gas Association, 10/01/2013
Hydrogen Pipeline Systems (EIGA Doc. 121/04)
standard by Compressed Gas Association, 05/12/2005