# The Carcinogens and Mutagens (Miscellaneous Amendments) Regulations 2020, Regulation 7: Amendment of the Mines Regulations 2014


(1) The Mines Regulations 2014 are amended as follows.
(2) In regulation 2(1) for the definition of “action level” substitute—
““action level” means, in relation to respirable dust, a concentration in air equal to or greater than 3mg/m3 as a time-weighted average over a 40 hour period;”.
(3) Omit regulation 44.
(4) In regulation 45—
(a) in paragraph (5) omit “and respirable crystalline silica”;
(b) in paragraph (6) omit “or respirable crystalline silica”;
(c) in paragraph (6)(a) omit “relevant”.

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Source: https://www.legislation.gov.uk/uksi/2020/40/regulation/7 (the official version)
Page: https://openlegislation.uk/carcinogens-and-mutagens-miscellaneous-amendments-regulations-2020/regulation-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.