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


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

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Source: https://www.legislation.gov.uk/uksi/1988/1607/schedule/paragraph/2 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-regulations-1988/schedule/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.