# The Smoke Control Areas (Authorised Fuels) (Wales) Regulations 2019, Paragraph 15

Extent: E+W

Brazier briquettes manufactured by Coal Products Limited at Immingham Briquetting Works, Immingham, North East Lincolnshire which–
(a) comprise anthracite fines (as to approximately 60 to 80% of the total weight), petroleum coke (as to approximately 10 to 30% of the total weight), bituminous coal (as to approximately 0 to 17% of the total weight) and molasses/acid or an organic binder (as the remaining weight);
(b) were manufactured from those constituents by a process involving roll-pressing and heat treatment of up to 300°C;
(c) are either unmarked pillow-shaped briquettes or, pillow-shaped briquettes marked with a single indented line running longitudinally along each face, off-set from its counterpart by 10 millimetres;
(d) have an average weight of 55 or 80 grams per briquette; and
(e) have a sulphur content not exceeding 2% of the total weight.

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Source: https://www.legislation.gov.uk/wsi/2019/50/schedule/paragraph/15 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-wales-regulations-2019/schedule/paragraph-15
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.