# The Smoke Control Areas (Authorised Fuels) (Scotland) Regulations 1988, Paragraph 2


Ancit 60 briquettes manufactured by Coal Products Ltd. at Aberaman, Mid Glamorgan which—
(1) comprise anthracite and coke breeze (as to approximately 75 per cent of total weight) and coking coal (as to the remaining weight),
(2) after heat treatment of the constituents and conversion into briquettes by roll-press have been subjected to further heat treatment at about 400C,
(3) are unmarked cushion-shaped briquettes with an average weight of 60 grammes, and
(4) have a sulphur content not exceeding 1.5 per cent of total weight.

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Source: https://www.legislation.gov.uk/uksi/1988/1270/schedule/paragraph/2 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-scotland-regulations-1988/schedule/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.