# The Smoke Control Areas (Authorised Fuels) Regulations 1991, Paragraph 3

Extent: E+W+S
Status: prospective

Anthranor briquettes, manufactured by Agglonord,Agglomération du Nord, at Oignies, France, which—
(a) comprise anthracite (as to approximately 95 per cent of the totalweight) and starch asbinder (as to the remaining weight);
(b) were manufactured from those constituents by a process involvingroll-pressing and heattreatment at about 150°C;
(c) are cushion-shaped briquettes with rounded corners and have anaverage weight of 30 grammes; and
(d) have a sulphur content not exceeding 0.8 per cent of the totalweight.

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Source: https://www.legislation.gov.uk/uksi/1991/1282/schedule/1/paragraph/3 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-regulations-1991/schedule-1/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.