# The Mona Offshore Wind Farm Order 2025, Paragraph 4: Details of licensed marine activities

Extent: E+W

The substances and objects authorised for deposit at sea are—
(a) iron, steel, copper and aluminium;
(b) stone and rock;
(c) concrete and grout;
(d) sand and gravel;
(e) plastic and synthetic;
(f) material extracted from within Work No. 1 during construction drilling or seabed preparation for foundation works and cable sandwave preparation works; and
(g) marine coatings, other chemicals and timber.

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Source: https://www.legislation.gov.uk/uksi/2025/870/schedule/14/paragraph/4 (the official version)
Page: https://openlegislation.uk/mona-offshore-wind-farm-order-2025/schedule-14/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.