Under Section 5a of the Act, to 'pollute' in relation to waters means: to place in or on, or otherwise introduce into or onto, the waters (whether through an act or omission) any matter, whether solid, liquid or gaseous, so that the physical, chemical or biological condition of the waters is changed.
(to 'pollute' in relation to waters; means; to place in or on, or otherwise introduce into or onto, the waters (whether through an act or omission) any matter; L:Under Section 5a of the Act) (the physical, chemical or biological condition of the waters; is changed; )
to 'pollute' in relation to waters the physical, chemical or biological condition of the waters
means is changed
to place in or on, or otherwise introduce into or onto, the waters (whether through an act or omission) any matter L:Under Section 5a of the Act