The dispersant Corexit 9500 results in increased hydrocarbon concentrations in developing topsmelt embryos with subsequent cardiovascular and other abnormalities. - GreenMedInfo Summary

Abstract Title:

Preliminary investigation of the effects of dispersed Prudhoe Bay Crude Oil on developing topsmelt embryos, Atherinops affinis.

Abstract Source:

Environ Pollut. 2009 Mar;157(3):1058-61. Epub 2008 Nov 22. PMID: 19028002

Abstract Author(s):

[No authors listed]

Article Affiliation:

Department of Environmental Toxicology, University of California, Davis, CA 95616-8588, USA.

Abstract:

Static exposure experiments were conducted to assess the toxicity of dispersed Prudhoe Bay Crude Oil (PBCO) to embryos of the topsmelt (Atherinops affinis). Treatment with the dispersant COREXIT 9500 resulted in greater hydrocarbon concentrations in chemically enhanced water-accommodated fractions (CEWAFs) of oil, relative to the untreated water-accommodated fractions (WAFs). Topsmelt embryo development and survival to hatching was significantly inhibited in CEWAF tests while minimal effects on embryo-larval survival were observed in WAF tests. Increased hydrocarbon concentrations in the CEWAF tests caused cardiovascular and other abnormalities in developing topsmelt embryos.

Article Published Date : Mar 01, 2009
Study Type : Animal Study
Additional Links
Problem Substances : Corexit 9500 : CK(16) : AC(9), Dispersants : CK(55) : AC(30)

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Key Research Topics

Toxic Ingredients

Dispersants
Corexit 9500

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