3.—(1) The Clean Air Act 1968(1) shall be amended as follows.
(2) In section 2(5) for “55,000 British thermal units per hour” substitute “16.12 kilowatts”.
(3) In section 3(1) (b) for “100 pounds” substitute “45.4 kilograms”.
(4) In section 3(1) (c) for “1¼ million or more British thermal units an hour” substitute “366.4 kilowatts or more”.
(5) In section 5(3) (a) for “one ton” substitute “1.02 tonnes”.
(6) In section 5(3) (b) for “28 million British thermal units an hour” substitute “8.21 Megawatts”.
(1)