Trawling 1 : Increasing the concentration and thickness of a slick of pollutant spread out over a water surface using a boom towed in a U formation by two boats at a speed of less than 1 knot
Xavier Kremer, Response to Small-Scale Pollution in Ports and Harbours (Operational Guide), Glossary and Acronyms, Translated and adapted from the French version by Sally Ferguson (written by Cedre with financial support from the French Ministry of Transport and the Ministry of Defence), France 2007. http://www.wcmrc.com/wp-content/uploads/2012/06/Re sponse-to-Small-Scale-Pollution-in-Ports.pdf, (Ports Pollut - Brit) {531}