# The Smoke Control Areas (Authorised Fuels) (England) Regulations 2008, Paragraph 8

Extent: E+W+S
Status: prospective

Briteflame briquettes, manufactured by Maxibrite Limited at Mwyndy Industrial Estate, Llantrisant, Mid Glamorgan, which—
(a) comprise 10 to 15% bituminous coal, 10 to 15% petroleum coke, 70 to 80% anthracite duff and starch binder (as to the remaining weight);
(b) were manufactured from those constituents by a process involving roll-pressing and heat treatment at about 260°C;
(c) are unmarked pillow-shaped briquettes;
(d) have an average weight of 140 grams per briquette; and
(e) have a sulphur content not exceeding 1.9% sulphur on a dry basis.

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Source: https://www.legislation.gov.uk/uksi/2008/514/schedule/1/paragraph/8 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-england-regulations-2008/schedule-1/paragraph-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.