HazMat Tool — substance information

Radioactive material, Type A package, special form non fissile or fissile-excepted

HMT May 2026

UN / ID: UN 3332
Hazard class: 7
Packing group: —
ERG guide: ERG 164
Special provisions: SP A56, SP W7, SP W8
Source: 49 CFR §172 (2026/05)

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Radioactive material, Type A package, special form non fissile or fissile-excepted

Emergency Response Guide No. 164

Hazardous Materials Table

Source: 49 CFR §172 (2026/05)

(3) Hazard Class

7
Radioactive materials

(7) Special Provisions (§172.102)

×Note:
Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.

A56	Radioactive material with a subsidiary hazard of Division 4.2, Packing Group I, must be transported in Type B packages when offered for transportation by aircraft. Where the subsidiary hazard material is “Forbidden” in column (9A) or (9B) of the §172.101 Table, the radioactive material may only be offered for transportation and transported by aircraft under conditions approved by the Associate Administrator. Browse special provision A56
W7	Vessel stowage category for uranyl nitrate hexahydrate solution is “D” as defined in §172.101. Browse special provision W7
W8	Vessel stowage category for pyrophoric thorium metal or pyrophoric uranium metal is “D” as defined in §172.101. Browse special provision W8

(8) Packing Authorizations (§173.***)

(8A) Exceptions	n/a	see 49 CFR §173. n/a
(8B) Non-bulk	415, 476	see 49 CFR §173.415, 476
(8C) Bulk	415, 476	see 49 CFR §173.415, 476

(9) Quantity Limits

(9A) Passenger aircraft/rail	n/a
(9B) Cargo aircraft only	n/a

(10) Vessel stowage

(10A) Location

Stowage category “A” means the material may be stowed “on deck” or “under deck” on a cargo vessel or on a passenger vessel.

Source: 49 CFR §172.101(k)

(10B) Other

95	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.

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.

Similar substances

UN / ID	Proper shipping name	Hazard class
UN 3507	Uranium hexafluoride, radioactive material, excepted package, less than 0.1 kg per package, non-fissile or fissile-excepted	6.1
UN 2909	Radioactive material, excepted package-articles manufactured from natural uranium or depleted uranium or natural thorium	7
UN 2915	Radioactive material, Type A package non-special form, non fissile or fissile-excepted	7
UN 2919	Radioactive material, transported under special arrangement, non fissile or fissile excepted	7
UN 2910	Radioactive material, excepted package-limited quantity of material	7
UN 3322	Radioactive material, low specific activity (LSA-III) non fissile or fissile excepted	7
UN 2913	Radioactive material, surface contaminated objects (SCO-I or SCO-II) non fissile or fissile-excepted	7
UN 2917	Radioactive material, Type B(M) package non fissile or fissile-excepted	7
UN 2916	Radioactive material, Type B(U) package non fissile or fissile-excepted	7
UN 2912	Radioactive material, low specific activity (LSA-I) non fissile or fissile-excepted	7
UN 3321	Radioactive material, low specific activity (LSA-II) non fissile or fissile-excepted	7
UN 2908	Radioactive material, excepted package-empty packaging	7
UN 2911	Radioactive material, excepted package-instruments or articles	7
UN 2978	Radioactive material, uranium hexafluoride non fissile or fissile-excepted	7