# The Smoke Control Areas (Authorised Fuels) (England) (No. 2) Regulations 2014, Paragraph 29

Extent: E+W+S

Extracite briquettes, manufactured by Sophia-Jacoba Handelsgesellschaft mbH at Hückelhoven, Germany, which—
(a) comprise anthracite duff (as to approximately 95.5% of the total weight) and ammonium lignosulphonate lye as binder (as to the remaining weight);
(b) were manufactured from those constituents by a process involving roll-pressing and heat treatment at approximately 260°C;
(c) are cushion-shaped briquettes with a silvery appearance and are marked with the letters “S” and “J”;
(d) have an average weight of 40 grams per briquette; and
(e) have a sulphur content of approximately 1.2% of the total weight.

---
Source: https://www.legislation.gov.uk/uksi/2014/2366/schedule/paragraph/29 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-england-no-2-regulations-2014/schedule/paragraph-29
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.