International Harmonization Council (IHC)

The International Oxygen Manufacturers Association (IOMA) Global Committee established the International Harmonization Council (IHC) to develop international standards for industrial and medical gases. The actions of the IHC are endorsed by the IOMA Global Committee and by leading industrial gas companies.

Gas industry Associations operating in Asia, North America, Europe and Japan have well developed safety standards and regulations, which are similar but not identical.

The IHC is working to develop international harmonized publications through four regional Associations, which are:

The Associations manage the creation and revision of harmonized publications through committees, task forces, or working groups populated by industry experts from Association member companies.