# The Smoke Control Areas (Authorised Fuels) (Wales) Regulations 2019, Paragraph 25

Extent: E+W

Cosyglo Smokeless briquettes, manufactured by Arigna Fuels at Arigna, Carrick-on-Shannon, County Roscommon, Ireland, which—
(a) comprise anthracite (as to approximately 35 to 50% of the total weight), petroleum coke (up to approximately 45% of the total weight), bituminous coal (up to approximately 20% of the total weight) and a starch or other organic binder (up to 5% of the total weight);
(b) are manufactured from those constituents by a process involving roll-pressing and heat treatment at approximately 250°C;
(c) are unmarked pillow-shaped briquettes that are approximately 80 millimetres in length, 60 millimetres in width and 40 millimetres in height;
(d) have an average weight of 110 grams; and
(e) have a sulphur content not exceeding 1.8% of the total weight on a dry basis.

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Source: https://www.legislation.gov.uk/wsi/2019/50/schedule/paragraph/25 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-wales-regulations-2019/schedule/paragraph-25
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.