1. All smoke, gas, aerosols and dust.

2. Without prejudice to the generality of paragraph (1), this Act shall apply in particular to smoke, gas, aerosols and dust consisting of—

(a) sulphur dioxide and other sulphur compounds, or

(b) oxides of nitrogen and other nitrogen compounds, or

(c) carbon monoxide, or

(d) organic compounds, or

(e) heavy metals and their compounds, or

(f) asbestos fibres, glass fibres or mineral fibres, or

(g) chlorine and its compounds, or

(h) fluorine and its compounds.