The Clean Air (Measurement of Grit and Dust) (Scotland) Regulations 1968
In exercise of the powers conferred on me by section 7(2) as read with section 34(1) of the Clean Air Act 1956(a) and of all other powers enabling me in that behalf, I hereby make the following regulations:-

William Ross,
One of Her Majesty's Principal Secretaries of State.

St. Andrew's House,
Edinburgh, 1.

1st August 1968.