# The Smoke Control Areas (Authorised Fuels) (Wales) Regulations 2008, Paragraph 27


Long Beach Lump nuts (otherwise known as LBL nuts), manufactured by Aimcor Carbon Corporation at Long Beach, California, the United States of America, or manufactured by Oxbow Carbon & Minerals LLC, 330 Golden Shore, Suite 210, Long Beach, California 90802, the United States of America, which—
(a) comprise petroleum coke (as to approximately 85 to 100 per cent of the total weight), limestone (as to approximately 0 to 10 per cent of the total weight) and coal tar pitch (as to the remaining weight);
(b) were manufactured from those constituents by a process involving heat treatment and steam injection;
(c) are unmarked random shapes; and
(d) have a sulphur content not exceeding 2 per cent of the total weight.

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Source: https://www.legislation.gov.uk/wsi/2008/3100/schedule/paragraph/27 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-wales-regulations-2008/schedule/paragraph-27
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.