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5503.4 Marking.
Cryogenic containers and systems shall be marked in accordance with FC 5503.4.1 through 5503.4.6.
5503.4.1 Identification signs.
Visible hazard identification signs in accordance with NFPA 704 shall be provided at entrances to areas in which cryogenic fluids are stored, handled or used.
5503.4.2 Identification of contents.
Stationary and portable cryogenic containers shall be clearly marked with the name of the cryogenic fluid contained therein. Stationary aboveground cryogenic containers shall be placarded in accordance with FC 5003.5 and 5003.6. Portable cryogenic containers shall be identified in accordance with CGA C-7.
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