Increase in Carcinogens in Gulf Water

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Scientists of Oregon State University (OSU) found that levels of some cancer-causing oil compounds rose significantly in the waters off the Louisiana coast during the BP spill in the Gulf of Mexico.
Bettina Boxall of the Los Angeles Times reports on October 2, 2010 that Kim Anderson, an OSU environmental toxicology professor, found a 40-fold increase in polycyclic aromatic hydrocarbons, or PAHs, from May to June. “It’s an incredibly huge jump in concentration in a natural environment,” said
Anderson. “It’s a huge increase that folks that deal with the more biologic side of it will have to address.” But presently she is not prepared to say what, if any, threat the elevated levels posed to the gulf environment because the OSU research team is still analyzing the results.
Anderson and her research team started testing for the contaminants a few weeks after the April 20 well blowout, taking water samples at four near-shore locations along the Gulf Coast. Results from early August, after the BP well was capped and stopped leaking, continued to show elevated levels in the water.
The amount of such hydrocarbons in crude oil varies, as does the toxicity of the compounds, which constitute a large class of chemicals. Some are not toxic at all, and some are carcinogenic, Anderson said. Her gulf samples included all three types.
Lisa Faust, communications director for the Louisiana Department of Health and Hospitals, said her agency did not have enough information on the Oregon research to comment. But she added that state testing of seafood harvest areas had not detected harmful levels of the pollutant. “In all our samples of water we tested, at the most there were trace levels of PAHs — and nothing at the level that poses risks to human health,” Faust said.
The National Oceanic and Atmospheric Administration continues to reopen federal waters in the gulf to commercial fishing. Last week Rear Adm. Paul Zukunft, who is taking over management of the federal spill response, said the government’s extensive testing of gulf seafood has had “no detects whatsoever of any” PAHs.
In an e-mail, a spokeswoman for the federal Environmental Protection Agency said the agency had “analyzed more than 1,600 water and sediment samples alone” as part of its response to the BP spill “and found very few samples with chemicals at levels above concerns to aquatic life and no samples with chemicals at levels of concern to human health.”
~Eowyn

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0 responses to “Increase in Carcinogens in Gulf Water

  1. OSU “scientists,” whose liberal parents migrated north to escape the high taxes their fellow libs put in place in northern California, should stick to worrying about their corner of the Pacific Ocean.
    -Dave

     

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