HazMat Tool — substance information

Radioactive material, low specific activity (LSA-II) non fissile or fissile-excepted

HMT May 2026

UN / ID: UN 3321
Hazard class: 7
Packing group: —
ERG guide: ERG 162
Special provisions: SP 325, SP A56, SP T5, SP TP4, SP W7
Source: 49 CFR §172 (2026/05)

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Radioactive material, low specific activity (LSA-II) non fissile or fissile-excepted

Emergency Response Guide No. 162

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.

325

In the case of non-fissile or fissile-excepted uranium hexafluoride, the material must be classified under UN 2978.

Browse special provision 325

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

Minimum test pressure (bar)	2.65
Minimum shell thickness	§ 178.274(d)(2)
Pressure-relief requirements	§ 178.275(g)(3)
Bottom opening requirements	Prohibited

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TP4

The maximum degree of filling for portable tanks must not exceed 90%.

Browse special provision TP4

Vessel stowage category for uranyl nitrate hexahydrate solution is “D” as defined in §172.101.

Browse special provision W7

(8) Packing Authorizations (§173.***)

(8A) Exceptions	421, 422, 428	see 49 CFR §173.421, 422, 428
(8B) Non-bulk	427	see 49 CFR §173.427
(8C) Bulk	427	see 49 CFR §173.427

(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
129	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 1614	Hydrogen cyanide, stabilized, with less than 3 percent water and absorbed in a porous inert material	6.1
UN 1210	Printing ink, flammable or Printing ink related material (including printing ink thinning or reducing compound), flammable	3
UN 2909	Radioactive material, excepted package-articles manufactured from natural uranium or depleted uranium or natural thorium	7
UN 3322	Radioactive material, low specific activity (LSA-III) non fissile or fissile excepted	7
UN 2912	Radioactive material, low specific activity (LSA-I) 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 2919	Radioactive material, transported under special arrangement, non fissile or fissile excepted	7
UN 2915	Radioactive material, Type A package non-special form, non fissile or fissile-excepted	7
UN 3332	Radioactive material, Type A package, special form non fissile or fissile-excepted	7
UN 3470	Paint related material corrosive, flammable (including paint thinning or reducing compound)	8
UN 1263	Paint related material including paint thinning, drying, removing, or reducing compound	3
UN 3469	Paint related material, flammable, corrosive (including paint thinning or reducing compound)	3
UN 2910	Radioactive material, excepted package-limited quantity of material	7
UN 3327	Radioactive material, Type A package, fissile non-special form	7