accidentmeans any occurrence causing material damage or a threat of material damage to an offshore installation;
pollutionincludes pollution by oil or any other substance liable to create hazards to human health, to harm living resources and marine life, to damage amenities or to interfere with other legitimate uses of the sea, or by any other substance listed in the Schedule to the Merchant Shipping (Prevention of Pollution: Substances Other than Oil) (Intervention) Order 1997;
United Kingdom watershas the same meaning as in the Merchant Shipping Act 1995.