Transportation of Dangerous Goods Regulations — 1.4
l conditions of transport, they will not shift in a way that might compromise their integrity; and (b) to allow small means of containment to be added or removed during transport. ( conteneur de groupage ) culture means the result of a process by which pathogens in a specimen are intentionally propagated. This definition does not include specimens taken from a human or animal patient and that are intended to be processed in a laboratory. ( culture ) cylinder means a small means of containment, other than an aerosol container, that is cylindrical or spherical in shape and that is capable of withstanding an internal absolute pressure of 275 kPa. ( bouteille à gaz ) dangerous goods safety mark [Repealed, SOR/2023-155, s. 4] Director General [Repealed, SOR/2023-155, s. 4] drum means a flat-ended or convex-ended cylindrical means of containment made of metal, fibreboard, plastic or other similar material, with a maximum capacity of 450 L, or for a drum made of plywood, a maximum capacity of 250 L. This definition includes means of containment of other shapes such as pail-shaped or round with a tapered neck, but does not include a wood barrel or jerrican (that is, a means of containment of rectangular or polygonal cross-section). ( fût ) dust means a mixture of solid particles and air in which 90% or more of the solid particles have a diameter less than or equal to 10 µm. ( poussière ) emergency means an immediate danger to public safety (a) requiring the use of dangerous goods to avert or mitigate the danger; or (b) arising directly or indirectly from dangerous goods. ( urgence ) employer means a person who (a) employs one or more individuals; or (b) provides the services of one or more individuals and from whom the individuals receive their remuneration. ( employeur ) ERAP means an emergency response assistance plan. ( PIU ) farmer means a person engaged in farming in Canada for commercial purposes. ( agriculteur ) farming means the production of field-grown crops, cultivated and uncultivated and horticultural crops, the raising of livestock, poultry and fur-bearing animals, the production of eggs, milk, honey, maple syrup, tobacco, fibre and fodder crops, but does not include aquaculture. ( agriculture ) fire point means the lowest temperature at which a substance will ignite and will continue to burn for at least 5 seconds. ( point d’inflammation ) flash point means the lowest temperature at which the application of an ignition source causes the vapours of a liquid to ignite near the surface of the liquid or within a test vessel. ( point d’éclair ) fuel cell means an electrochemical device that converts the chemical energy of a fuel to electrical energy, heat and reaction products. ( pile à combustible ) fuel cell cartridge means an article that stores fuel for discharge into a fuel cell through one or more valves that control the discharge of the fuel into the fuel cell. ( cartouche pour pile à combustible ) fuel cell engine means a device that is used to power equipment and that consists of a fuel cell and its fuel supply, whether integrated with or separate from the fuel cell, and includes all appurtenances necessary to fulfil its function. ( moteur pile à combustible ) gas means a substance that at 50°C has a vapour pressure greater than 300 kPa or that is completely gaseous at 20°C at an absolute pressure of 101.3 kPa and that is (a) compressed (other than in solution) so that when it is packaged under pressure for transport it remains entirely gaseous at 20°C; (b) liquefied so that when it is packaged for transport it is partially liquid at 20°C; (c) refrigerated so that when it is packaged for transport it is made partially liquid because of its low temperature; or (d) in solution so that when it is packaged for transport it is dissolved in a solvent. ( gaz ) gross mass means (a) for a means of containment, the mass of the means of containment and all of its contents; or (b) for a quantity of dangerous goods, the gross ma