# The Smoke Control Areas (Authorised Fuels) (Wales) Regulations 2019, Paragraph 74

Extent: E+W

Newburn briquettes, manufactured by M&G Solid Fuels LLP, Wilton International, Wilton, Middlesbrough, TS90 8WS, which—
(a) comprise petroleum coke (as to approximately 56 to 57% of the total weight), anthracite (as to approximately 37 to 38% of the total weight), and a dry powder binder (as to the remaining weight);
(b) were manufactured from those constituents by a cold cure process using roller press;
(c) are unmarked pillow shape briquettes of 70 millimetres x 62 millimetres x 42 millimetres;
(d) have an average weight of 110 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/74 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-wales-regulations-2019/schedule/paragraph-74
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.