DOT Hazard Classes and Divisions

A cryogenic liquid means a refrigerated, liquefied gas having a boiling point colder than _____ deg C/ _____ deg F

-90, -130

Dose per gram of Class 7

0.002 uCi/g

Flammable liquid: any liquid having a flash point of not more than _____ deg F

140

Flammable gas (Division 2.1) means any material that is a gas (boiling point) at _____ deg C (_____ deg F) or less and _____ kPa/_____ psi of pressure. Also, ignitable at _____ kPa/ _____ psi when in a mixture of _____% or less by volume with air, OR has a flammable range at _____ kPa/ _____ psi with air of at least _____% regardless of the lower limit.

20, 68, 101.3, 14.7, 101.3, 14.7, 13, 101.3, 14.7, 12

In Division 1.4, no device may contain more than _____ grams (_____ oz) of a detonating material.

25, 0.9

A nonflammable, nonpoisonous compressed gas means any material that exert in the packaging an absolute pressure of _____ kPa/_____ psi at _____ deg C/_____ deg F.

280, 41, 20, 68

Combustible liquid: any liquid that does not meet the definition of any other hazard class and has a flash point above _____ deg C/ _____ deg F and below _____ deg C/ _____ deg F

60, 140, 93, 200

Division 5.2 types: can detonate or deflagrate rapidly as packaged for transport

A

Division 5.2 types: neither detonates nor deflagrates rapidly, but that can undergo a thermal explosion

B

Class 2 major hazard

BLEVE (Boiling Liquid Expanding Vapor Explosion)

Division 5.2 types: neither detonates nor deflagrates rapidly and cannot undergo thermal explosion

C

A material that presents a hazard during transport, but that is not included in another hazard class

Class 9

A material that presents a hazard during transport, but that is not included in another hazard class.

Class 9

Division 5.2 types: detonates only partially or deflagrates slowly, with medium to no effect when heated under confinement

D

Division 5.2 types: neither detonates nor deflagrates and shows low, or no, effect when heated under confinement

E

Division 5.2 types: will not detonate, does not deflagrate, and shows only a low, or no, effect if heated when confined, and has low or no explosive power

F

Division 5.2 types: will not detonate, does not deflagrate, shows no effect if heated when confined, and has no explosive power, is thermally stable, and is desensitized

G

A material that presents a limited hazard during transportation due to its form, quantity, and packaging

ORM-D

Division 2.3

Poisonous gas

A liquid or solid that, even in small quantities and without an external ignition source, can ignite within five minutes after coming in contact with air.

Pyrophoric material

A material that ,when in contact with air and without an energy supply, is liable to self-heat

Self-heating material

Materials that are liable to undergo, at normal or elevated temperatures, a strongly exothermic decomposition caused by excessively high transport temperatures or by contamination

Self-reactive materials

Transportation of this is forbidden.

Type A organic peroxides

Flammable liquid ex

acetone, gasoline, methyl alcohol, toluene

Division 1.2 ex

aerial flares, detonation cord, power device cartridges

Division 5.1 ex

ammonium nitrate

Division 2.2 ex

anhydrous ammonia, cryogenic argon, carbon dioxide, compressed nitrogen

Division 6.2 ex

anthrax, botulism

Division 6.1 ex

arsenic, tear gas

Class 3 major hazard

burns readily

Class 8 major hazard

burns/emulsification skin damage

ORM-D ex

consumer commodities, small arms ammunition, polishes

Class 8

corrosive

Division 4.3

dangerous when wet

A material that , by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas.

dangerous when wet materials

Explosives wetted with sufficient water, alcohol or plasticizer to suppress explosive properties

desensitized explosives

Division 4.1 consists of _____, _____ and _____

desensitized explosives, self-reactive materials, readily combustible solids

Division 1.1 ex

dynamite, TNT

Class 1 major hazard

explosion

Division 1.6 ex

explosive squib devices

Class 1

explosives

Division 1.6

extremely insensitive explosive

Division 1.3

fire hazard

Class 3

flammable and combustible liquids

Class 4

flammable and combustible solids

Division 2.1

flammable gas

Division 4.1

flammable solid

Class 2: 4 types of placards

flammable, non-flammable, oxidizer, poison gas

Class 2 subhazards

flammable, oxidizer, poisonous

ORM-D is a material that presents a limited hazard during transportation due to its _____, _____, and _____.

form, quantity, packaging

Combustible liquid ex

fuel oil

Class 2

gases

Division 6.2

infectious substance

Division 1.3 ex

liquid-fueled rocket motors

Division 4.1 ex

magnesium, nitrocellulose

Division 1.1

mass explosion hazard

Division 5.2 ex

methyl ethyl ketone peroxide

Division 1.4

minor explosion hazard

Class 9

miscellaneous

Class 8 ex

nitric acid, sulfuric acid

Division 2.2

nonflammable, nonpoisonous gas

Class 1 placard: Color: _____ Picture: _____ Words: _____

orange bursting ball (1.1-1.3), none (1.4-1.6) explosives (1.1-1.4, 1.6), blasting agents (1.5)

An organic compound containing oxygen in the bivalent [O-O] structure that can be considered a derivative of hydrogen peroxide, where one of more of the hydrogen atoms have been replaced by organic radicals.

organic peroxide

Division 5.2

organic peroxide

A material that may, generally by yielding oxygen, cause or enhance the combustion of other materials.

oxidizer

Division 5.1

oxidizer

Class 5

oxidizers

Class 6

poison

Division 6.1

poisonous materials

Division 1.4 ex

practice ammunition

Division 1.5 ex

prilled ammonium nitrate fertilizer

The DOT has classified hazardous materials/WMD according to their _____.

primary danger

Division 1.2

projection hazard

Division 2.1 ex

propane

Division 4.2 consists of _____ and _____

pyrophoric material, self-heating material

Class 7

radioactive

Class 7 major hazard

radioactive poisonous burns

Class 4 major hazard

rapid combustion with a huge smoke

Solids that may cause a fire through friction and any metal powders that can be ignited

readily combustible solids

Division 4.2

spontaneously combustible

Division 5.1 major hazard

supports combustion, intensifies fire

Class 6 major hazard

toxicity, infectious

Division 5.2 major hazard

unstable/reactive explosives

Class 7 ex

uranium

Division 1.5

very insensitive explosions