# The Smoke Control Areas (Authorised Fuels) (Wales) Regulations 2008, Paragraph 47


ZIP Firelogs, manufactured by Woodflame Moerdijk B.V., Apolloweg 4, Harbour No: M189A, 4782 SB Moerdijk, The Netherlands, which—
(a) comprise slack wax (as to approximately 55 to 60 per cent 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 firelogs approximately 255 millimetres in length and 75 millimetres in diameter, with grooves along one longitudinal face and have an average weight of 1.3 kilogrammes; and
(d) have a sulphur content not exceeding 0.1 per cent of the total weight.

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Source: https://www.legislation.gov.uk/wsi/2008/3100/schedule/paragraph/47 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-wales-regulations-2008/schedule/paragraph-47
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.