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T1 IMO/UNEP Guidelines on Oil Spill Dispersant Application and Environmental Considerations
A1 International Maritime Organization, 
A1 United Nations Environment Programme, 
K1 oil spill
K1 marine pollution
K1 guideline
SN 92-801-1149-9
YR 1982
FD 1982
LK https://wedocs.unep.org/handle/20.500.11822/29899
UL https://wedocs.unep.org/handle/20.500.11822/29899
NO This guideline document offers a  reference for decision-makers, responders, and stakeholders involved in marine oil spill response, focusing on the appropriate use and environmental implications of dispersant application. Developed through collaboration between marine environmental experts, it details the conditions under which chemical dispersion is effective, the types and properties of dispersants, and the physical and ecological factors influencing oil dispersion at sea. In addition to technical guidance, the document emphasizes monitoring, assessment, and the importance of pre-planning through sensitivity mapping and contingency strategies. It also highlights scenarios where dispersants should be avoided to safeguard sensitive marine and coastal habitats. The document provides critical insights into the logistics of dispersant supply, aerial and vessel-based application methods, cost considerations, and the necessity of testing for toxicity and biodegradability.
DS UN Environment Document Repository
RD Sep 23, 2026