# The Environmental Protection (Controls on Hexachloroethane) Regulations 1998, Regulation 4: Exceptions to the prohibition


Hexachloroethane may be used in the manufacturing or processing of non-ferrous metals:—
(a) for research and development or analysis purposes;
(b) in non-integrated aluminium foundries producing specialised castings for applications requiring high quality and high safety standards and where consumption is less than 1.5 kilogrammes of hexachloroethane per day on average; and
(c) for grain refining in the production of the magnesium alloys AZ81, AZ91 and AZ92.

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Source: https://www.legislation.gov.uk/uksi/1998/545/regulation/4 (the official version)
Page: https://openlegislation.uk/environmental-protection-controls-on-hexachloroethane-regulations-1998/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.