# Council Directive 92/91/EEC of 3 November 1992 concerning the minimum requirements for improving the safety and health protection of workers in the mineral-extracting industries through drilling (eleventh individual Directive within the meaning of Article 16 (1) of Directive 89/391/EEC), Division 6.1

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

Measures must be taken for assessing the presence of harmful and/or potentially explosive substances in the atmosphere and for measuring the concentration of such substances.
Where required by the safety and health document, monitoring devices measuring gas concentrations at specified places automatically and continuously, automatic alarms and devices to cut off power automatically from electrical installations and internal combustion engines must be provided.
Where automatic measurements are provided for, the values measured must be recorded and kept as stipulated in the safety and health document.

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Source: https://www.legislation.gov.uk/eudr/1992/91/annex/part/A/division/6/division/6.1 (the official version)
Page: https://openlegislation.uk/eu-directive-1992-91/annex/part-A/division-6/division-6.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.