# The Pressure Systems and Transportable Gas Containers Regulations 1989, Paragraph 22


Any pressure system containing sulphur hexafluoride gas and forming an integral part of high voltage electrical apparatus.

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Source: https://www.legislation.gov.uk/uksi/1989/2169/schedule/2/paragraph/22 (the official version)
Page: https://openlegislation.uk/pressure-systems-and-transportable-gas-containers-regulations-1989/schedule-2/paragraph-22
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.