# The Smoke Control Areas (Authorised Fuels) (England) (No. 2) Regulations 2014, Paragraph 45

Extent: E+W+S

Newburn briquettes, manufactured by ECL Mineral Processing Limited of Newfield Works, Newfield, Bishop Auckland, County Durham 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 a roller press;
(c) are unmarked pillow-shaped briquettes that are 70 millimetres in length, 62 millimetres in width and 42 millimetres in height;
(d) have an average weight of 110 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/uksi/2014/2366/schedule/paragraph/45 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-england-no-2-regulations-2014/schedule/paragraph-45
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.