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The Influence of Oil Dispersants on the Biodegradation of South Louisiana Crude Oil and the Resulting Toxicological, Molecular and Physiological Effects on the Gulf Killifish

Implementing Organization

Louisiana State University


DWH Project Funding


Known Leveraged Funding


Funding Organization

Gulf of Mexico Research Initiative (GoMRI)

Funding Program

Gulf of Mexico Research Initiative GoMRI Grant Program


Project Category


Project Actions

Chemical Aspects Research

Targeted Resources

Human and/or Institutional Capacity

Project Description

An estimated 6.9 million liters of dispersant were applied in the Gulf of Mexico in response to the Deepwater Horizon oil spill with approximately 4 million liters deployed to surface waters 2.9 million liters utilized for sub-sea applications. Formulations of COREXIT, a family of oil dispersants, were the primary agents utilized in this effort. Acute toxicity parameters for these dispersants have been established, but the synergistic effects of weathering and salinity on these oil/dispersant mixtures on aquatic biota are not well known.


Christopher Green
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