# The Clean Air (Units of Measurement) Regulations 1992, Regulation 2


(1) The Clean Air Act 1956 shall be amended as follows.
(2) In section 3(4) for “fifty-five thousand or more British thermal units per hour” substitute “16.12 kilowatts or more”.
(3) In section 6(1) (b) for “one ton” substitute “1.02 tonnes”.
(4) In section 7(1) (b) for “100 pounds” substitute “45.4 kilograms”.
(5) In section 7(1) (c) for “1¼ million or more British thermal units an hour” substitute “366.4 kilowatts or more”.

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Source: https://www.legislation.gov.uk/uksi/1992/36/regulation/2 (the official version)
Page: https://openlegislation.uk/clean-air-units-of-measurement-regulations-1992/regulation-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.