• HySAFER CENTRE, University of Ulster, Belfast, U.K.
  
  
• Marsh Largest Property Damage Losses 1972 to 2001
  
  
• List of pipeline accidents
  
  
• Rocky Mountain Institute(RMI): Twenty Hydrogen Myths - "Rocky Mountain Institute (RMI) is an independent, entrepreneurial non-profit think-and-do tank that drives the efficient and restorative use of resources. RMI envisions a world thriving, verdant and secure, for all, forever. Used with permission, Rocky Mountain Institute 2003. For more information see www.RMI.org "
  
  
• International Association for Hydrogen Safety


• International Association for Hydrogen Energy


• California Hydrogen Business Council


• UK Hydrogen & Fuel Cell Association