# The Smoke Control Areas (Authorised Fuels) (England) (No. 2) Regulations 2014, Paragraph 28

Extent: E+W+S

Excel+ briquettes, manufactured by Oxbow Coal B.V. at Newfield works, Bishop Auckland, County Durham, which—
(a) comprise 65% to 70% petroleum coke and 25% anthracite (both by weight) together with 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 per briquette 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/uksi/2014/2366/schedule/paragraph/28 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-england-no-2-regulations-2014/schedule/paragraph-28
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.