49 CFR 172 Special Provision IB1 (IB-Codes and IP-Codes)

These provisions apply only to transportation in IBCs and Large Packagings.
DescriptionAuthorized IBCs: Metal (31A, 31B and 31N).
Additional Requirement: Only liquids with a vapor pressure less than or equal to 110 kPa at 50 [deg]C (1.1 bar at 122 [deg]F), or 130 kPa at 55 [deg]C (1.3 bar at 131 [deg]F) are authorized.
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