# The Dangerous Substances and Explosive Atmospheres Regulations 2002, Paragraph: Zone 2


A place in which an explosive atmosphere consisting of a mixture with air of dangerous substances in the form of gas, vapour or mist is not likely to occur in normal operation but, if it does occur, will persist for a short period only.

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Source: https://www.legislation.gov.uk/uksi/2002/2776/schedule/2/paragraph/wrapper4n1 (the official version)
Page: https://openlegislation.uk/dangerous-substances-and-explosive-atmospheres-regulations-2002/schedule-2/paragraph-wrapper4n1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.