# The Welfare of Animals (Slaughter or Killing) Regulations 1995, Paragraph 9: The operation of the chamber

Extent: E+W+S

The occupier of a slaughterhouse at which a chamber is used shall ensure that—
(a) the birds are exposed to the gas mixture for long enough to ensure that they are killed;
(b) the chamber is properly maintained; and
(c) every person engaged in the gas killing is properly instructed as to—
(i) the method of operation of the chamber;
(ii) the procedures for any necessary flushing of the chamber with atmospheric air; and
(iii) the procedures for any necessary evacuation of birds from the chamber.

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Source: https://www.legislation.gov.uk/uksi/1995/731/schedule/7/paragraph/9 (the official version)
Page: https://openlegislation.uk/welfare-of-animals-slaughter-or-killing-regulations-1995/schedule-7/paragraph-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.