Sch 2 para 9
In regulation 19— (a) in paragraph (1), for “(2) and (3)”, substitute “ (2), (3) and (4) ” ; (b) in paragraph (3), omit “or a registered exemption”; (c) after paragraph (3), insert— (4) Paragraph (1) applies to the mixing of waste oil— (a) only to the extent that the prohibition in that paragraph is technically feasible and economically viable; and (b) only where such mixing would impede the treatment of the waste oil.