Toxicity in Oil Dispersants: First Data

Ted Schettler, MD, MPH
Science Director

Yesteday the US EPA publicly released their initial toxicity-testing data for eight different oil dispersants. Data include results for acute toxicity (LD50s) in two Gulf species, cytotoxicity, and interaction with androgen and estrogen receptors in in vitro assays. The agency has not yet examined the toxicity of dispersant-oil mixtures or effects on other species.

Excerpt: EPA Releases First Round of Toxicity Testing Data for Eight Oil Dispersants

The U.S. Environmental Protection Agency today released peer-reviewed results from the first round of its own independent toxicity testing on eight oil dispersants. EPA conducted testing to ensure that decisions about ongoing dispersant use in the Gulf of Mexico continue to be grounded in the best available science. Read the full announcement, including a link to the data.

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