# The Carriage of Dangerous Goods by Rail Regulations 1996, Paragraph 3: Substances which, in contact with water, emit flammable gases (classification code 4.3)


(1) Carriage in bulk of any of the following goods shall be in large containers or wagons designed and constructed so that the openings for loading and unloading can be closed hermetically—
UN 1394 ALUMINIUM CARBIDE
UN 1398 ALUMINIUM SILICON POWDER, UNCOATED
UN 1402 CALCIUM CARBIDE
UN 1405 CALCIUM SILICIDE
UN 1435 ZINC ASHES
UN 1436 ZINC POWDER OR ZINC DUST
UN 2813 WATER-REACTIVE SOLID, N.O.S.
UN 2844 CALCIUM MANGANESE SILICON
UN 2950 MAGNESIUM GRANULES, COATED
UN 2968 MANEB, STABILIZED AND MANEB PREPARATION, STABILIZED
UN 3170 ALUMINIUM SMELTING BY-PRODUCTS OR ALUMINIUM RE-MELT ING BY-PRODUCTS
UN 3208 METALLIC SUBSTANCE, WATER-REACTIVE, N.O.S.
UN 3209 METALLIC SUBSTANCE, WATER-REACTIVE, SELF-HEATING N.O.S.
(2) Carriage of the goods UN 3170 ALUMINIUM SMELTING BY-PRODUCTS or ALUMINIUM RE-MELTING BY-PRODUCTS in bulk shall be in moveable-roof wagons.

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Source: https://www.legislation.gov.uk/uksi/1996/2089/schedule/2/paragraph/3 (the official version)
Page: https://openlegislation.uk/carriage-of-dangerous-goods-by-rail-regulations-1996/schedule-2/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.