natural dispersion process and resulted in a net environmental benefit. The reduction in the volume of oil on the sea surface and impacting the shoreline limited effects on sea birds, coastal waders, intertidal habitats and tourist beaches. These benefits have outweighed the limited impact on the marine environment observed to date.
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ACKNOWLEDGEMENTS
Firstly, our thanks to MPCU for the way in which the monitoring programme was inter-linked with the response operation itself. This forward-looking policy has set a precedent for other countries to follow. The monitoring measurements on dispersant effectiveness would not have been possible without the co-operation of Air Atlantique. We thank them for the close coordination which allowed these unique measurements to be made. Our thanks also to the Environment Agency for collaboration, including the provision of their research vessel VIGILANCE, in the total hydrocarbon measurements carried out after 24 February to determine the dilution of the dispersed oil once the dispersant operations had ceased.
