);

(h) chimney includes any structure with an opening or outlet from or through which any air pollutant may be emitted;

(i) control equipment means any apparatus, device, equipment or system to control the quality and manner of emission of any air pollutant, and includes any device used for securing the efficient operation of any industrial plant;

(j) emission means any solid or liquid or gaseous substance coming out of any chimney, duct or flue or any other outlet;

(k) industrial plant means any plant used for any industrial or trade purposes and emitting any air pollutant into the atmosphere;

(l) member means a member of the Central Board or a State Board, as the case may be, and includes the Chairman thereof;

(m) [ occupier, in relation to any factory or premises, means the person who has control over the affairs of the factory or the premises, and includes, in relation to any substance, the person in possession of the substance;] [ Substituted by Act 47 of 1987, Section 2, for Clause (m)(w.e.f 1.4.1988).]

(n) prescribed means prescribed by rules made under this Act by the Central Government or, as the case may be, the State Government;

(o) State Board means,

(ii) in relation to any other State, the State Board for the Prevention and Control of Air Pollution constituted by the State Government under section 5 of this Act.