# Council Regulation (EC) No 1099/2009 of 24 September 2009 on the protection of animals at the time of killing (Text with EEA relevance), Division 6.2

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

The gas stunner shall be equipped to measure continuously, display and record the gas concentration and the time of exposure, and to give a clearly visible and audible warning if the concentration of gas falls below the required level. The device shall be placed so as to be clearly visible to the personnel. These records shall be kept for at least one year.

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Source: https://www.legislation.gov.uk/eur/2009/1099/annex/II/division/6/division/6.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-1099/annex-II/division-6/division-6.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.