# The Smoke Control Areas (Authorised Fuels) (Wales) Regulations 2019, Paragraph 39

Extent: E+W

Excel+ briquettes, manufactured by Oxbow Coal BV at Newfield Works, Bishop Auckland, County Durham, which—
(a) comprise petroleum coke (as to 65 to 70% of the total weight), anthracite (as to 25% of the total weight) and a cold setting resin binder, hardener and low temperature stabiliser (as to the remaining weight);
(b) are produced at ambient temperature by a process involving roll pressing and cold curing;
(c) are unmarked square pillow-shaped briquettes;
(d) have an average weight of 100 grams; and
(e) have a sulphur content not exceeding 1.9% of the total weight.

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Source: https://www.legislation.gov.uk/wsi/2019/50/schedule/paragraph/39 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-wales-regulations-2019/schedule/paragraph-39
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.