Radioactive material, uranium hexafluoride, fissile

A radionuclide (radioactive nuclide, radioisotope, radioactive isotope, or unstable isotope) is a nuclide that is unstable and known to undergo radioactive decay into a different nuclide, which may be another radionuclide (see decay chain) or be stable. Radioactive decay is a random process at the level of single atoms: it is impossible to predict when one particular atom will decay. For a collection of atoms of a single nuclide, their average decay rate can be measured, and its half-life (t1/2) calculated. Half-lives vary by 55 orders of magnitude and have no known limits Wikipedia

Hazardous Materials Table

(3) Hazard class 7 Radioactive materials	(4) Identification number UN 2977	(5) Packing Group —
(6) Labels
(7) Special Provisions (§172.102)
(8) Packing Authorizations (§173.***) (8A) Exceptions 453 see 49 CFR §173.453 (8B) Non-bulk 417, 420 see 49 CFR §173.417, 420 (8C) Bulk 417, 420 see 49 CFR §173.417, 420
(9) Quantity Limits (9A) Passenger aircraft/rail — (9B) Cargo aircraft only —
(10) Vessel stowage (10A) Location B Stowage category “B” means (i) The material may be stowed “on deck” or “under deck” 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; and (ii) “On deck only” on passenger vessels in which the number of passengers specified in paragraph (k)(2)(i) of this section is exceeded. Source: 49 CFR §172.101(k) (10B) Other 40 see 49 CFR §176.84 74 see 49 CFR §176.84 95 see 49 CFR §176.84 132 see 49 CFR §176.84 151 see 49 CFR §176.84 153 see 49 CFR §176.84 Source: 49 CFR §176.84

Segregation chart for load, transport, and storage

This chart shows whether loading, transport, or storage with other hazard classes is permitted, prohibited, or restricted. Based on 49 CFR §177.848.

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Hazard class	8	7	6.1	5.2	5.1	4.3	4.2	4.1	3	2.3B	2.3A	2.2	2.1	1.6	1.5	1.4	1.3	1.1/1.2
1.1/1.2
1.3
1.4
1.5
1.6
2.1
2.2
2.3A
2.3B
3
4.1
4.2
4.3
5.1
5.2
6.1
7
8

	Must not be loaded, transported, or stored together in the same vehicle or facility.
	May be loaded, transported, or stored together.
	May be loaded, transported, or stored together only with restrictions.