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DOT Symbols
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Proper Shipping Name
Nitrogen, refrigerated liquid cryogenic liquid
The official and specific name of a hazardous substance as listed in dangerous goods regulations.
UN Number
UN 1977
Packing Group
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A classification based on the degree of danger of a substance (I: great danger, II: medium danger, III: minor danger).
– No packing group assigned
Danger Labels
2.2
– Non-flammable, non-toxic gases
DOT Special Provisions (49 CFR 172.102)
T75; TP5
DOT Packaging Exceptions (49 CFR 173.xxx)
320
DOT Packaging Non Bulk (49 CFR 173.xxx)
316
DOT Packaging Bulk (49 CFR 173.xxx)
318
DOT Quantity Limitations Passenger aircraft/rail (49 CFR 173.27)
50 kg
DOT Quantity Limitations Cargo aircraft only (49 CFR 175.75)
500 kg
DOT Vessel Stowage Location
D
– The material must be stowed ‘‘on deck only’’ on a cargo vessel and on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers or one passenger per each 3 m of overall vessel length, but the material is prohibited on passenger vessels in which the limiting number of passengers is exceeded.
DOT Vessel Stowage Other
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