Billing Code - PHMSA - Department of Transportation

IB3
(1.1 bar at 122 °F), or 130 kPa at 55 °C (1.3 bar at 131 °F) are authorized.
Authorized IBCs: Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1
and 31HA2, 31HB2, 31HN2, 31HD2 and 31HH2).
Additional Requirement: Only liquids with a vapor pressure less than or equal to 110 kPa at 50 °C
(1.1 bar at 122 °F), or 130 kPa at 55 °C (1.3 bar at 131 °F) are authorized, except for UN2672 (also
see Special provision IP8 in Table 2 for UN2672).
IB4 Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B and 21N).
IB5
IB6
IB7
Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B and 21N); Rigid plastics (11H1, 11H2, 21H1,
and 21H2); Composite (11HZ1and 21HZ1).
Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B and 21N); Rigid plastics (11H1, 11H2, 21H1,
and 21H2); Composite (11HZ1, 11HZ2, 21HZ1, and 21HZ2).
Additional Requirement: Composite IBCs 11HZ2 and 21HZ2 may not be used when the hazardous
materials being transported may become liquid during transport.
Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B and 21N); Rigid plastics (11H1, 11H2, 21H1,
and 21H2); Composite (11HZ1, 11HZ2, 21HZ1, and 21HZ2); Wooden (11C, 11D and 11F).
Additional Requirement: Liners of wooden IBCs must be sift- proof.
Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B and 21N); Rigid plastics (11H1, 11H2, 21H1,
and 21H2); Composite (11HZ1, 11HZ2, 21HZ1, and 21HZ2); Fiberboard (11G); Wooden (11C,
IB8
11D and 11F); Flexible (13H1, 13H2, 13H3, 13H4, 13H5, 13L1, 13L2, 13L3, 13L4, 13M1 or
13M2).
IB9 IBCs are only authorized if approved by the Associate Administrator.
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(7) * * *
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(iii) T50 When portable tank instruction T50 is indicated in Column (7) of the
§ 172.101 Hazardous Materials Table, the applicable liquefied compressed gas
and chemical under pressure descriptions are authorized to be transported in
portable tanks in accordance with the requirements of § 173.313 of this
subchapter.
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(8) * * *
(ii) * * *
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