# The Smoke Control Areas (Authorised Fuels) (England) Regulations 2008, Paragraph 46

Extent: E+W+S
Status: prospective

ZIP Firelogs, manufactured by Allspan B.V., Macroweg 4, 5804 CL Venray, the Netherlands, which—
(a) comprise slack wax (as to approximately 58 to 59% of the total weight) and hardwood sawdust (as to approximately 41 to 42% of the total weight);
(b) were manufactured from those constituents by a process of heat treatment and extrusion;
(c) are firelogs approximately 265 millimetres in length and 80 millimetres in depth, with grooves along the faces;
(d) have an average weight of 1.3 kilograms per firelog; and
(e) have a sulphur content not exceeding 0.1% of the total weight.

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Source: https://www.legislation.gov.uk/uksi/2008/514/schedule/1/paragraph/46 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-england-regulations-2008/schedule-1/paragraph-46
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.