# The Smoke Control Areas (Authorised Fuels) (England) (No. 2) Regulations 2014, Paragraph 12

Extent: E+W+S

Briteheat Plus briquettes, manufactured by Coal Products Limited at Immingham Briquetting Works, Immingham, North East Lincolnshire, which—
(a) comprise anthracite duff (as to approximately 75% to 95% of the total weight), petroleum coke (up to approximately 20% of the total weight) and an organic binder (as to the remaining weight);
(b) were manufactured from those constituents by a process involving roll pressing;
(c) are unmarked pillow-shaped briquettes;
(d) have an average weight of 80 grams per briquette; and
(e) have a sulphur content not exceeding 2% of the total weight.

---
Source: https://www.legislation.gov.uk/uksi/2014/2366/schedule/paragraph/12 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-england-no-2-regulations-2014/schedule/paragraph-12
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.