California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 7 - General Industry Safety Orders
Group 20 - Flammable Liquids, Gases and Vapors
Article 138 - Hydrogen
Section 5466 - Design of Hydrogen Systems
Universal Citation: 8 CA Code of Regs 5466
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
(a) Hydrogen containers shall comply with one of the following:
(1) Designed, constructed,
and tested in accordance with appropriate requirements of ASME Boiler and
Pressure Vessel Code, Section VIII Unfired Pressure Vessels (1974).
(2) Designed, constructed, tested and
maintained in accordance with U.S. Department of Transportation (formerly
Interstate Commerce Commission) Specifications and
Regulations.
(b) Permanently installed containers shall be provided with substantial noncombustible supports on firm, noncombustible foundations.
(c) Each portable container and manifold hydrogen supply unit shall be legibly marked with the name HYDROGEN or a legend such as "This unit contains hydrogen," the height of the letters shall not be less than 1/25th of the diameter of the cylinder, the stroke shall be not less than 1/8th inch.
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