# The Carriage of Dangerous Goods by Rail Regulations 1994, Regulation 3: Construction of freight containers, tank containers, tank wagons and wagons.


No train operator or operator of any freight container, tank container, tank wagon or wagon shall cause or permit to be carried any dangerous goods in such freight container, tank container, tank wagon or wagon unless—
(a) it is properly designed, of adequate strength and of good construction from sound and suitable materials;
(b) it is suitable for the purpose for which it is to be used, having regard to—
(i) the nature and circumstances of the journey to be undertaken, and
(ii) the hazardous properties and quantity of both the dangerous goods and any other substance being carried;
(c) it is designed, constructed and maintained so as to prevent any of the contents escaping (except that this requirement shall not prevent the fitting of a suitable safety device); and
(d) insofar as it is likely to come into contact with the dangerous goods, it is made of materials which are liable neither to be adversely affected by the goods nor, in conjunction with them, to form any substance which creates a hazard to the health or safety of any person.

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Source: https://www.legislation.gov.uk/uksi/1994/670/regulation/3 (the official version)
Page: https://openlegislation.uk/carriage-of-dangerous-goods-by-rail-regulations-1994/regulation-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.