# The Coal Mines (Precautions against Inflammable Dust) (Second Amendment) Regulations 1974, Paragraph 7


In regulation 10A—
(a) in paragraph (1), the words “stone dust” shall be omitted, and after the word “barriers”, there shall be inserted the words “to the extension of that flame”;
(b) in paragraph (5), for the words “one hundred and fifty feet” (in both places where they appear), there shall be substituted the words “45 metres”.

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Source: https://www.legislation.gov.uk/uksi/1974/2124/schedule/paragraph/7 (the official version)
Page: https://openlegislation.uk/coal-mines-precautions-against-inflammable-dust-second-amendment-regulations-1974/schedule/paragraph-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.