2. When interpreting the IPPC Directive for the purposes of this Schedule—
(a)except where otherwise defined in this paragraph, an expression that is defined in Part 1 of these Regulations has the meaning given in that Part;
(b)“installation” means “Part B installation” or “Part B mobile plant”;
(c)“permit” means “environmental permit”;
(d)a reference to “emission limit values” is to be read as a reference to those values which are relevant to air pollution;
(e)the competent authority is the regulator; and
(f)“substance” is to be read as including, after the words “its compounds” in Article 2(1) of that Directive, the words “and any biological entity or micro-organism”.