Hazardous Materials Report Form, 7 World Trade Center, n.d.

NYC 9/11 Public Portal Document

HazarckNM Material Definition*

The following definitions have been abstracted from the Code of Federal Regulations, Title 49 Transportation, Parts 100 to 199. Refer to the referenced sections for complete details.

NOTE: Rulemaking proposals are outstanding or are contemplated concerning some of these definitions.

Hazardous Material - Means a substance or material which has been determined by the Secretary of Transportation to be capable of posing an unreasonable risk to health, safety and property, when transported in commerce, and which has been so designated. (Sec. 171.8)

Multiple Hazards - A material meeting the definitions of more than one hazard class is classed according to the sequence given in Sec. 173.2 .

HAZARD CLASS DEFINITIONS

EXPLOSIVES An Explosive - Any chemical compound, mixture or device, the primary or common purpose of which is to furKtion by explosion, i.e., with substantially instantaneous release of gas and heat, unless such compound, mixture or device is otherwise specifically classified in Parts 170-189. (Sec. 173.50)

CLASS A Detonating or otherwise of maximum hazard. The nine types of Class A explosives are defined in Sec. EXPLOSIVE 173.53.

CLASS B In general, function by rapid combustion rather than detonation and include some explosive devices EXPLOSIVE such as special fireworks, flash powders, etc. Flammable hazard. (Sec. 173.88)

CLASS C Certain types of manufactured articles containing Class A or Class B explosives, or both, as compo­ EXPLOSIVE nents but in restricted quantities, and certain types of fireworks. Minimum hazard. (Sec. 173.100)

BLASTING A material designed for blasting which has been tested in accordance with Sec. 173.114a(b) and AGENTS found to be so insensitive that there is very little probability of accidental initiation to explosion or of transition from deflagration to detonation. (Sec. 173.114a(a))

COMBUSTIBLE Any liquid having a flash point above 100°F. and below 200°F. as determined by tests listed in Sec. LIQUID 173.115(d). Exceptions to this are found in Sec. 173.115(b).

CORROSIVE Any liquid or solid that causes visible destruction of human skin tissue or a liquid that has a severe MATERIAL corrosion rale on steel. See Sec. 173.240(a) and (b) for details. FLAMMABLE Any liquid having a flash point below 100°F. as determined by tests listed in Sec. 173.115(d). Excep­ LIQUID tions are listed in Sec. 173.115(a).

COMPRESSED Compressed Gas - Any material or mixture having in the container a pressure exceeding 40 psia at GAS 70‘’F„ or a pressure exceeding 104 psia at 130“F., or any liquid flammable material having a vapor pressure exceeding 40 psia at 100°F. (Sec. 173.300(a))

FLAMMABLE Any compressed gas meeting the requirements for lower flammability limit, flammability limit range, GAS flame projection, or flame propagation criteria as specified in Sec. 173.300(b).

NONFLAMMABLE Any compressed gas other than a flammable compressed gas. GAS

FLAMMABLE Any solid material, other than an explosive, which is liable to cause fires through friction, retained SQLID heal from manufacturing or processing, or which can be ignited readily and when ignited burns so vigorously and persistently as to create a serious transportation hazard. (Sec. 173.150)

ORGANIC An organic compound containing the bivalent -0-0 structure and which may be considered a deriva­ PEROXIDE tive of hydrogen peroxide where one or more of the hydrogen atoms have been replaced bv organic radicals must be classed as an organic peroxide unless...(See Sec. 173.151(a) for details)

OXIDIZER A substance such as chlorate, permanganate, inorganic peroxide, or a nitrate, that yields oxygen readi­ ly to stimulate the combustion of organic matter. (See Sec. 173.151)

POISON A Extremely Dangerous Potsoru - Poisonous gases or liquids of such nature that a very small amount of (Poison Gas) the gas. or vapor of the liquid, mixed with air is dangerous to life. (Sec. 173.326)

POISON B Len Dangerous Poisons - Substances, liquids, or solids (including pastes and semi-solids), other than (Poison) Class A or Irritating materials, which are known to be so toxic to man as to afford a hazard to health during transportation: or which, in the abserKe of adequate data on human toxicity, are presumed to be toxic to man. (Sec. 173343)

IRRITATING A liquid or solid substance which upon contact with fire or when exposed to air gives off dangerous MATERIAL or intensely irrittting fumes, but not mduding any poitonous material. Class A. (Sec. 173.381)

ETIOLOGIC An "etiologic agent" means a viable micro-organism, or its toxin which causes or may cause human AGENT disease. (Sac. 173386) (Refer to the Department of Health. Education and Welfare Regulations. Title 42. CFR, Sec. 7235(c) for details.) RADIOACTIVE Any material, or combination of materials, that spontaneously emits ionizing radiation, and having a MATERIAL specific activity greater than 0.002 microcuries per gram. (Sec. 173.389) NOTE: See Sec. 173.389(a) through (1) for details. WATER REACTIVE Means any solid substance (including sludges and pastes) which, by interaction with water, is likely to MATERIAL become spontaneously flammable or to give off flammable or toxic gases in dangerous quantities. (SOLID)

NYC-WTC_000169147