glanhau o fewn ffiniau Awdurdod y Porthladd - Stena Line;glanahau yn ehangach y tu allan i Awdurdod y Porthladd – Cyngor Sir Ynys Môn a’r Awdurdodau lleol yn ehangach;achub Cychod ym Marina Caergybi – Marina Caergybi/Stena Portcyngor ar gynlluniau rheoli gwastraff - Cyfoeth Naturiol Cymrucymorth technegol – Asiantaeth y Môr a Gwylwyr y Glannau.
clean up operation within the Port Authority boundaries - Stena Portwider clean-up operation outside Port Authority - Isle of Anglesey County Council and Local Authorities further afield.vessel salvage operation at Holyhead Marina - Holyhead Marina/Stena Portadvice on waste management plans – Natural Resources Walestechnical assistance - Marine and Coastguard Agency.