Health consequences of the Deepwater Horizon oil spill information
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The Health consequences of the Deepwater Horizon oil spill are health effects related to the explosion of the Deepwater Horizon offshore drilling rig in the Gulf of Mexico on April 20, 2010. An oil discharge continued for 84 days, resulting in the largest oil spill in the history of the petroleum industry, estimated at approximately 206 million gallons (4.9 million barrels). The spill exposed thousands of area residents and cleanup workers to risks associated with oil fumes, particulate matter from Controlled burns, volatile organic compounds (VOCs), polycylic aromatic hydrocarbons (PAHs), and heavy metals.[1]
The spill was also notable for the volume of Corexit oil dispersant used to help disperse the oil. Although approved by the EPA, no toxicology studies had been done at this time. In 2011, a toxicology study was done and it reported 57 chemicals in the ingredients including chemicals associated with cancer, skin irritation from rashes to burns, eye irritation, potential respiratory toxins or irritants; and kidney toxins.[2]
At the height of operations (summer of 2010), response vessels numbered about 7,000 and personnel numbered over 47,000; as of January 2013, that figure has dropped to about 935. The maximum extent of shoreline oiling involved almost 1,100 miles of shoreline and as of December 2012, approximately 339 miles of oiled shoreline remained subject to evaluation and/or cleanup operations.[3]
Acute toxicity symptoms have been reported and the study of long-term medical and psychological effects is ongoing.[1] As the largest marine oil spill in history, the potential for physical, psychological, and socioeconomic difficulties and long term effects remain unknown. Considering the number of residents and clean-up workers exposed, it has been seen as the most demanding on-water response in U.S. history. Only a few studies have looked at long-term health consequences, it is assumed that the spill's impacts are wide-reaching and will have long-lasting effects.[1]
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