International Transport Regulations 24 1. A loading tray such as a pallet, on which several packages are placed or stacked and secured by a plastics strip, shrink or stretch wrapping or other appropriate means; or 2. An outer protective packaging such as a box or a crate; "Package" means the complete product of the packing operation, consisting of the packaging and its contents prepared for dispatch. Dangerous goods shall not be packed together in the same outer packaging or in large packagings, with dangerous or other goods if they react dangerously with each other and cause: (a) combustion or evolution of considerable heat; (b) evolution of flammable, asphyxiant, oxidizing or toxic gases; (c) the formation of corrosive substances; or (d) the formation of unstable substances. Before being filled and handed over for carriage, every packaging, including IBCs and large packagings, shall be checked to be free from corrosion, contamination or other defects Any packaging which shows signs of weakening, with reference to the approved prototype shall no longer be used or shall be refurbished so that it can pass the tests required for the prototype. Plastic packagings For plastics drums and jerricans, rigid plastics IBCs and composite IBCs with plastics inner receptacles, unless otherwise approved by the competent authority, the period of use permitted for the carriage of dangerous substances shall be five years from the date of manufacture of the receptacles, except where a shorter period of use is prescribed because of the nature of the substance to be carried. Approved packagings: The packs must have passed specific tests and conform to the prototype tested. Packagings shall be manufactured, reconditioned and tested under a quality assurance programme which satisfies the competent authority. Shall bear markings which are durable, legible and readily visible, constituted by a sequence of symbols, letters and numbers, i.e.: The United Nations packaging symbol Plastic Drum with removable head For packing groups: I, II, III Maximum Gross mass in kilograms Carriage of Solids The State authorizing the allocation of the mark Name of Manufacturer Year of Manufacturing (last two digit)
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