44.—(1) Heating iron, steel or any ferrous-alloy, non-ferrous metal or non-ferrous metal alloy, in one or more furnaces or other appliances the primary combustion chambers of which have in aggregate a net rated thermal input of less than 0.2 megawatts, for the purpose of removing grease, oil or any other non-metallic contaminant.
(2) Sub-paragraph (1) does not apply to the removal by heat of plastic or rubber covering from scrap cable or of any asbestos contaminant.
(3) In the case of a process involving the heating of iron, steel or any ferrous-alloy, sub-paragraph (1) does not apply if that process is related to a process described in any of paragraphs (a) to (h), or (j) to (l), of Part A or paragraphs (a), (b), (e) or (f) of Part B or paragraphs (a), (b) or (c) of Part C of section 2.1 of Schedule 1 to the 1998 Regulations or an activity described in section 2.1 (other than in paragraph (d) of Part C) of Part I of Schedule 1 to the 2003 Regulations.
(4) In the case of a process involving the heating of any non-ferrous metal or non-ferrous metal alloy, sub-paragraph (1) does not apply if that process is related to a process described in any of paragraphs (a) to (g), or (j) or (k), of Part A of section 2.2 of Schedule 1 to the 1998 Regulations or an activity described in Part A of section 2.2 of Part I of Schedule 1 to the 2003 Regulations.
(5) The secure storage at the premises where the heating is to take place of waste intended to be submitted to heating to which sub-paragraph (1) applies if the waste or, as the case may be, any container in which the waste is stored, is stored on an impermeable pavement.
(6) In this paragraph, “net rated thermal input” means the rate at which fuel can be burned at the maximum continuous rating of the appliance multiplied by the net calorific value of the fuel and expressed as megawatts thermal.
(7) In this paragraph, “ferrous alloy” means an alloy of which iron is the largest constituent, or equal to the largest constituent, by weight, whether or not that alloy also has a non-ferrous metal content greater than any percentage specified in section 2.2 of Schedule 1 to the 1998 Regulations, or as the case may be, section 2.2 of Schedule 1 to the 2003 Regulation and “non-ferrous metal alloy” shall be construed accordingly.