Michigan Administrative Code
Department - Licensing and Regulatory Affairs
Bureau of Fire Services
Storage and Handling of Gaseous and Liquefied Hydrogen Systems
Part 2 - STORAGE AND HANDLING OF GASEOUS HYDROGEN NFPA 50A
Chapter 2 - Design of Gaseous Hydrogen Systems
Section R. 29.7024 - Marking
Rule 24. Sections 2-5 to 2-5.4 of the storage and handling of gaseous and Liquefied H2 code are added as follows:
2-5 Marking. Gaseous H2 containers and systems shall be marked in accordance with this section.
2-5.1 Identification of contents. Each container shall be marked as follows: "GASEOUS HYDROGEN - FLAMMABLE GAS" in letters that are not less than 3 inches (76 millimeters) in height.
2-5.2 Container specification. Stationary containers shall be marked with the manufacturing specification and maximum allowable working pressure on a permanent nameplate in accordance with the standard to which the container was manufactured.
2-5.3 Portable containers. Portable containers shall be marked in accordance with CGA C-7, "Guide to the Preparation of Precautionary Labeling and Marking of Compressed Gas Containers," adopted by reference in section 8-1.
2-5.4 Stationary containers. Stationary containers shall be marked in accordance with NFPA 704, "Standard Systems for the Identification of the Hazards of Materials for Emergency Response," adopted by reference in section 8-1.