# The Smoke Control Areas (Authorised Fuels) (England) (No. 2) Regulations 2014, Paragraph 26

Extent: E+W+S

Ecobrite briquettes, manufactured by Arigna Fuels Limited at Arigna, Carrick-on-Shannon, County Roscommon, Ireland, which—
(a) comprise anthracite fines (as to approximately 96% of the total weight) and starch as binder (as to the remaining weight);
(b) were manufactured from those constituents by a process involving roll-pressing and heat treatment at approximately 250°C;
(c) are unmarked pillow-shaped briquettes in two sizes;
(d) have an average weight per briquette of 37 grams in the case of the smaller size and 48 grams in the case of the larger size; and
(e) have a sulphur content not exceeding 1.5% of the total weight.

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Source: https://www.legislation.gov.uk/uksi/2014/2366/schedule/paragraph/26 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-england-no-2-regulations-2014/schedule/paragraph-26
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.