# Council Directive 92/104/EEC of 3 December 1992 on the minimum requirements for improving the safety and health protection of workers in surface and underground mineral-extracting industries (twelfth individual Directive within the meaning of Article 16 (1) of Directive 89/391/EEC), Division 9.4

Extent: E+W+S+N.I.

Propagation of flammable dust and/or firedamp explosions which are liable to trigger further flammable dust explosions must be limited by installing a system of explosion barriers.
The locations of such explosion barriers must be indicated in a document which is brought up to date periodically and held available at the workplace.

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Source: https://www.legislation.gov.uk/eudr/1992/104/annex/part/C/division/9/division/9.4 (the official version)
Page: https://openlegislation.uk/eu-directive-1992-104/annex/part-C/division-9/division-9.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.