MSC 85/26/Add.2 ANNEX 3 RESOLUTION MSC.268(85) - US Coast ...

MSC 85/26/Add.2ANNEX 3Page 38Section 9Materials possessing chemical hazards9.1 GeneralSolid bulk cargoes which may possess a chemical hazard during transport, because of theirchemical nature or properties, are in Group B. Some of these materials are classified asdangerous goods and others are materials hazardous only in bulk (MHB). It is essential to obtaincurrent, valid information about the physical and chemical properties of the cargoes to be shippedin bulk, prior to loading.9.2 Hazard classification9.2.1 The classification of materials possessing chemical hazards and intended to be shipped inbulk under the requirements of this Code shall be in accordance with 9.2.2 and 9.2.3.9.2.2 Classification of dangerous goodsSOLAS regulation VII/7 defines dangerous goods in solid form in bulk. For the purpose ofthis Code, dangerous goods shall be classified in accordance with part 2 of the IMDG Code.9.2.2.1 Class 4.1: Flammable solidsThe materials in this class are readily combustible solids and solids which may cause firethrough friction.9.2.2.2 Class 4.2: Substances liable to spontaneous combustionThe materials in this class are materials, other than pyrophoric materials, which, in contact withair without energy supply, are liable to self-heating.9.2.2.3 Class 4.3: Substances which, in contact with water, emit flammable gasesThe materials in this class are solids which, by interaction with water, are liable to becomespontaneously flammable or to give off flammable gases in dangerous quantities.9.2.2.4 Class 5.1: Oxidizing substancesThe materials in this class are materials while in themselves not necessarily combustible, may,generally by yielding oxygen, cause, or contribute to, the combustion of other material.9.2.2.5 Class 6.1: Toxic substancesThe materials in this class are materials liable either to cause death or serious injury or to harmhuman health if swallowed or inhaled, or by skin contact.I:\MSC\85\26-Add-2.doc