ISO Related Links

Information about ISO and work programs for ISO technical committees is available at

• ISO's Website 

Of particular interest are the following:

• List of ISO Technical committees
• TC 58, Gas cylinders
  • TC 58/SC 2, Cylinder fittings
  • TC 58/SC 3, Cylinder design
  • TC 58/SC 4, Operational requirements for gas cylinders
• TC 197, Hydrogen technologies
• The U.S. TAG for ISO TC 197, Hydrogen technologies now has its own website
• TC 220, Cryogenic vessels
• Business plans for public review (Log in as guest.)

Are you interested in U.S. TAG membership?

"Membership shall be open to all U.S. national interested parties who indicate that they are directly and materially affected by the activity of the U.S. TAG, after being informed concerning U.S. TAG working procedures and scope of activities." U.S. TAG member responsibilities include providing comments and input to formulate a consensus U.S. position on draft standards, agenda items and work items. 

As an American National Standards Institute, ANSI-accredited U.S. TAG Administrator, CGA follows the:

• ANSI Procedures for U.S. Participation in the International Standards Activities of ISO (PDF file)
• ANSI Guide for U.S. Delegates to ISO and IEC Meetings (PDF file)
• U.S. TAG operating procedures (PDF file)
• U.S. TAG Application (PDF file) 
• U.S. TAG Application (Word 6.0 file)

For more information contact:

• U.S. TAG Administrator:
  Jill Thompson,
  E-mail: jthompson@cganet.com
  Telephone: 703-788-2720