2.—(1) In these Regulations, unless the context otherwise requires—
“the Act” means the Environmental Protection Act 1990;
“the 1991 Regulations” means the Environmental Protection (Prescribed Processes and Substances) Regulations 1991(1);
“consulted authority” means whichever of the chief inspector or river purification auth ority is not determined under regulation 3 to be the enforcing authority and, where that is a river purification authority, it means the river purification authority in whose area the prescribed process in question is, is to be, has been or was to have been, carried on, as the case may be;
“month” means calendar month;
“prescribed process” means a process prescribed under section 2(1) and designated for central control;
“Schedule 4 substance” means a description of substance set out in Schedule 4 to the 1991 Regulations;
“Schedule 5 substance” means a description of substance set out in Schedule 5 to the 1991 Regulations; and
“Schedule 6 substance” means a description of substance set out in Schedule 6 to the 1991 Regulations.
(2) Any reference in these Regulations—
(a)to a numbered paragraph is a reference to the paragraph bearing that number in the regulation in which the reference is made; and
(b)to a numbered section is a reference to the section of the Act bearing that number.