This publication presents design guidelines for hydrogen vent systems used in gaseous and liquid hydrogen systems at consumer sites and provides recommendations for safe operation of these vents. It begins at the discharge port of the safety devices and other components that control the release of hydrogen and ends at the point where hydrogen concentration in the atmosphere is below the lower flammable limits.

It also provides information on the production, transportation, handling, and storage of compressed hydrogen, cryogenic liquid hydrogen, and related products.

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