# The Smoke Control Areas (Authorised Fuels) (Wales) Regulations 2019, Paragraph 3

Extent: E+W

Aimcor Pureheat briquettes, manufactured by Applied Industrial Materials UK Limited at Immingham, North East Lincolnshire, or manufactured by Oxbow Carbon & Minerals UK Limited at Windsor House, Cornwall Road, Harrogate, North Yorkshire, which—
(a) comprise anthracite (as to approximately 60% of the total weight), petroleum coke (as to approximately 25% of the total weight) and binder (as to the remaining weight);
(b) were manufactured from those constituents by a process involving roll-pressing and heat treatment at about 250°C;
(c) are pillow-shaped briquettes with a single line indentation on one side and a double line indentation on the reverse side;
(d) have an average weight of 75 grams; 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/3 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-wales-regulations-2019/schedule/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.