The Dark Smoke (Permitted Periods) (Vessels) (Scotland) Regulations 1958
EXPLANATORY NOTE
(This Note is not part of the Regulations, but is intended to indicate their general purport.) Section 1 of the Clean Air Act, 1956, as applied by section 20 of that Act, makes it an offence to emit dark smoke (as defined) from the chimney of a vessel, but provides that emissions of smoke lasting for not longer than such periods as may be specified by the Minister of Housing and Local Government by Regulations shall, in such classes of case and subject to such limitations as ...