# The Coal and Other Mines (Ventilation) Order 1956, Paragraph 8


(1) Particulars of every determination of firedamp content made in accordance with these regulations shall be recorded forthwith in a book provided for that purpose by the owner of the mine.
(2) If any determination shows a firedamp content at any point exceeding one per cent. by volume the manager of the mine shall forthwith give notice thereof to the inspector for the district unless—
(a) the excess was caused by temporary derangement of the ventilation at the mine which has been remedied; or
(b) the inspector by notice served on the manager has otherwise directed.

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Source: https://www.legislation.gov.uk/uksi/1956/1764/schedule/FIRST/paragraph/8 (the official version)
Page: https://openlegislation.uk/coal-and-other-mines-ventilation-order-1956/schedule-FIRST/paragraph-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.