The following information should be posted at the entrance to workspaces where hydrogen is used or stored, in clear view of all who enter:

  • General workspace information (including the name of the workspace, the activity conducted in the workspace, the room number, the building name, and the emergency evacuation route)
  • Emergency response and call information (see Workspace Safety and Emergency Response Information)
  • Identification of hazards (e.g., compressed or cryogenic hydrogen)
  • Location of MSDS catalog
  • Location of chemical hygiene notebook (which should contain both standard operating procedures and emergency procedures for each system in the workspace)
  • Map showing the location of primary and secondary gas shutoffs
  • Personal protective equipment requirements for entry