# The Smoke Control Areas (Authorised Fuels) (Wales) Regulations 2019, Paragraph 84

Extent: E+W

Pyrobloc Fire Logs, manufactured by Allspan BV at 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 the remaining weight);
(b) were manufactured from those constituents by a process of heat treatment and extrusion;
(c) are approximately 265 millimetres in length and 80 millimetres in depth, with grooves along their faces;
(d) have an average weight of 1.3 kilograms; and
(e) have a sulphur content not exceeding 0.1% of the total weight.

---
Source: https://www.legislation.gov.uk/wsi/2019/50/schedule/paragraph/84 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-wales-regulations-2019/schedule/paragraph-84
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.