1. Special Provisions

49 CFR 172.102 Special Provisions — T-Codes

49 CFR 172.102 T-codes — provisions for hazardous materials in UN portable tanks.

Excerpts from 49 CFR §172.102. Verify against the current official rule text before relying on them.

24 provisions
CodeDescriptionOpen
T1
Minimum test pressure (bar)1.5
Minimum shell thickness§ 178.274(d)(2)
Pressure-relief requirementsNormal
Bottom opening requirements§ 178.275(d)(2)
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T2
Minimum test pressure (bar)1.5
Minimum shell thickness§ 178.274(d)(2)
Pressure-relief requirementsNormal
Bottom opening requirements§ 178.275(d)(3)
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T3
Minimum test pressure (bar)2.65
Minimum shell thickness§ 178.274(d)(2)
Pressure-relief requirementsNormal
Bottom opening requirements§ 178.275(d)(2)
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T4
Minimum test pressure (bar)2.65
Minimum shell thickness§ 178.274(d)(2)
Pressure-relief requirementsNormal
Bottom opening requirements§ 178.275(d)(3)
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T5
Minimum test pressure (bar)2.65
Minimum shell thickness§ 178.274(d)(2)
Pressure-relief requirements§ 178.275(g)(3)
Bottom opening requirementsProhibited
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T6
Minimum test pressure (bar)4
Minimum shell thickness§ 178.274(d)(2)
Pressure-relief requirementsNormal
Bottom opening requirements§ 178.275(d)(2)
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T7
Minimum test pressure (bar)4
Minimum shell thickness§ 178.274(d)(2)
Pressure-relief requirementsNormal
Bottom opening requirements§ 178.275(d)(3)
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T8
Minimum test pressure (bar)4
Minimum shell thickness§ 178.274(d)(2)
Pressure-relief requirementsNormal
Bottom opening requirementsProhibited
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T9
Minimum test pressure (bar)4
Minimum shell thickness6 mm
Pressure-relief requirementsNormal
Bottom opening requirementsProhibited for liquids.
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T10
Minimum test pressure (bar)4
Minimum shell thickness6 mm
Pressure-relief requirements§ 178.275(g)(3)
Bottom opening requirementsProhibited
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T11
Minimum test pressure (bar)6
Minimum shell thickness§ 178.274(d)(2)
Pressure-relief requirementsNormal
Bottom opening requirements§ 178.275(d)(3)
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T12
Minimum test pressure (bar)6
Minimum shell thickness§ 178.274(d)(2)
Pressure-relief requirements§ 178.275(g)(3)
Bottom opening requirements§ 178.275(d)(3)
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T13
Minimum test pressure (bar)6
Minimum shell thickness6 mm
Pressure-relief requirementsNormal
Bottom opening requirementsProhibited
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T14
Minimum test pressure (bar)6
Minimum shell thickness6 mm
Pressure-relief requirements§ 178.275(g)(3)
Bottom opening requirementsProhibited
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T15
Minimum test pressure (bar)10
Minimum shell thickness§ 178.274(d)(2)
Pressure-relief requirementsNormal
Bottom opening requirements§ 178.275(d)(3)
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T16
Minimum test pressure (bar)10
Minimum shell thickness§ 178.274(d)(2)
Pressure-relief requirements§ 178.275(g)(3)
Bottom opening requirements§ 178.275(d)(3)
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T17
Minimum test pressure (bar)10
Minimum shell thickness6 mm
Pressure-relief requirementsNormal
Bottom opening requirements§ 178.275(d)(3)
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T18
Minimum test pressure (bar)10
Minimum shell thickness6 mm
Pressure-relief requirements§ 178.275(g)(3)
Bottom opening requirements§ 178.275(d)(3)
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T19
Minimum test pressure (bar)10
Minimum shell thickness6 mm
Pressure-relief requirements§ 178.275(g)(3)
Bottom opening requirementsProhibited
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T20
Minimum test pressure (bar)10
Minimum shell thickness8 mm
Pressure-relief requirements§ 178.275(g)(3)
Bottom opening requirementsProhibited
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T21
Minimum test pressure (bar)10
Minimum shell thickness10 mm
Pressure-relief requirementsNormal
Bottom opening requirementsProhibited for liquids. §178.275.
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T22
Minimum test pressure (bar)10
Minimum shell thickness10 mm
Pressure-relief requirements§ 178.275(g)(3)
Bottom opening requirementsProhibited
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T50When 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.View
T75When portable tank instruction T75 is referenced in Column (7) of the §172.101 Table, the applicable refrigerated liquefied gases are authorized to be transported in portable tanks in accordance with the requirements of §178.277.View