EPA Finds Minimal Dioxin Risk from Oil Burning in the Gulf of Mexico

The controlled burns of floating oil after the BP well disaster contained minimal levels of hazardous dioxins, according to reports by the Environmental Protection Agency that found the risk to clean-up workers and nearby communities is small.

Plumes of smoke emitted by oil burning operations after the April explosion that killed 11 workers had raised concerns of environmentalists and fishermen about possible health effects from exposure to dioxins, toxic byproducts of combustion that are believed to raise the risk of cancer.

But two new reports by the EPA appear to ease those fears. One found that dioxin levels were roughly comparable to those produced by residential wood stoves or forest fires, and below concentrations the agency considers dangerous.

The other report considered whether exposure to the dioxin raised the risk of cancer. The agency found that the risk amounted to less than one additional case of cancer per 1 million residents.

More than 400 oil burns were conducted during clean-up operations in the Gulf of Mexico, destroying between 9.3 million and 13.1 million gallons of the estimated 200 million gallons of spilled oil.

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