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f U.N.CLASS DIVISION DEFINITIONS D.O.T.CLASS CLASS 1 EXPLOSIVES Until 10/1/93 EXPLOSIVES 1.1 Substances and articles which have a mass explosion hazard. (PG II) EXPLOSIVES A EXPLOSIVES 1.2 Substances and articles which have a projection hazard but not mass explosion EXPLOSIVES A & B hazard.(PG II) EXPLOSIVES 1.3 Substances and articles which have a fire hazard and either minor blast hazard or EXPLOSIVES B both but not a mass explosion hazard.(PG II) EXPLOSIVES 1.4 Substances and articles which present no significant hazard.(PG II) EXPLOSIVES C EXPLOSIVES 1.5 Very insensitive substances which have a mass explosion hazard.(PG ll) BLASTING AGENTS EXPLOSIVES 1.6 Articles containing only extremely insensitive detonating substances.(PG II) NONE APPLICABLE CLASS 2 GASES:Compressed,liquefied,dissolved under pressure or deeply refrigerated. FLAMMABLE 2.1 Flammable gases which ignite and burn easily. FLAMMABLE GAS GAS I NON-FLAM- 2.2 Non-flammable gases which may asphyxiate or can cause frostbite. NON-FLAMMABLE GAS MABLE GAS POISON GAS(*) 2.3 Poisonous Gases, Poison-InhalMion Hazard,Zone A,extreme health hazard. POISON A POISON GAS 2.3 Poisonous Gases,Other than Zone A,toxic health hazard. POISON GAS CLASS 3 FLAMMABLE LIQUIDS FLAMMABLE 3 May violently rupture their containers when exposed to heat or fire,have a flash FLAMMABLE LIQUID LIQUID point below 1417-(PG I, ll,or III) COMBUSTIBLE 3 May violently rupture their containers when exposed to heat or fire,have a flash COMBUSTIBLE LIQUID LIQUID point between 141°F and 2007.(PG III) CLASS 4 FLAMMABLE SOLIDS FLAMMABLE 4.1 Substances which are easily ignitable,or which may burn readily. (PG I. II or III) FLAMMABLE SOLID SOLID SPONTANEOUSLY 4.2 Substances that can self-ignite on exposure to air.(PG I,II or III) FLAMMABLE SOLID i COMBUSTIBLE DANGEROUS 4.3 Substances that upon contact with water can either become spontaneously FLAMMABLE SOLID WHEN WET combustible,or can give off flammable or toxic gas. (PG I, II or III) DANGEROUS WHEN WET CLASS 5 OXIDIZERS 1 OXIDIZER 5.1 Substances that will react to support combustion,even in the absence of air. OXIDIZER (PG I, II or III) ORGANIC 5.2 Substances sensitive to heat, shock and friction,or may decompose and self-ignite. ORGANIC PEROXIDE PEROXIDE (PG I, II or III) CLASS 6 POISONS POISON (*) 6.1 Poisonous materials, PG I, Poison Inhalation Hazard,Zone A,extreme health hazard. POISON A POISON 6.1 Materials toxic enough to create a health hazard (PG I & ll)Other than Zone A. POISON B/IRRITATING KEEP AWAY 6.1 Materials which give off dangerous or irritating fumes.(PG III) POISON B/ORM FROM FOOD IRRITATING INFECTIOUS 6.2 Infectious substances and regulated medical waste.(PG II) ETIOLOGIC AGENT SUBSTANCE CLASS 7 RADIOACTIVE MATERIALS RADIOACTIVE 7 Substances radioactive,which can cause burns and other injuries. RADIOACTIVE CLASS 8 CORROSIVE MATERIALS CORROSIVE 8 Substances which on contact with skin may cause damage and will corrode and CORROSIVE MATERIAL weaken most metals.(PG I,II or III) MATERIAL/ORM CLASS 9 MISCELLANEOUS HAZARDOUS MATERIALS MISCELLANEOUS 9 Hazardous substances which do not meet the definition of any other hazard class. OTHER REGULATED ', HAZARDS (PG 11 or III) MATERIALS OR ORM';