Oil spill dispersant danger to human health
Oil spill dispersant danger to human health
I heard in the news last week that people in the water that doesn’t appear to have oil in it report that it felt oily. Ewwww! I am of course refering to the large spill created by BP that continues to cause damage to our ecosystem.
As an avid reader of the Dr Mercola emails I felt I had to share this with you.
Excerpt taken from Mercola.com
The Health Effects of Oil Dispersing Chemicals
Despite the EPA’s claims that Corexit is safe[vi], there is an abundance of data suggesting otherwise.
According to Carys Mitchelmore, a researcher at the University of Maryland Center for Environmental Science, the detergent-like brew of solvents, surfactants and other compounds are known to cause a variety of health problems in animals, including:[vii]
* Death
* Reduced growth
* Reproductive problems
* Cardiac dysfunction
* Immune suppression
* Altered behavior
* Carcinogenic, mutagenic, and teratogenic effects
But it isn’t just marine animals that are impacted by dispersants.
The toxic effects to humans are also well known. The MSDS for Corexit 9527A lists the human health hazard as “acute,” stating[viii]:
“Excessive exposure may cause central nervous system effects, nausea, vomiting, anesthetic or narcotic effects. Excessive exposure to 2-butoxyethanol (an active ingredient) may cause injury to red blood cells (hemolysis), kidney or the liver. Prolonged and/or repeated exposure through inhalation or extensive skin contact with EGBE (2-butoxyethanol) may result in damage to the blood and kidneys.”
Corexit 9527A contains between 30 and 60 percent 2-butoxyethanol by weight, according to the “maddeningly inexact” information obtained by Grist’s Tom Philpott[ix]. Haz-Map reports the following health effects associated with this chemical:
“Severe hemoglobinuria and changes in the lungs, kidneys, and liver are seen in mice after 7-hour lethal concentration studies. Volunteers showed no evidence of adverse effects other than mucous membrane irritation after 8-hour exposures to 200 ppm… For ethylene glycol ethers, there is limited positive evidence of spontaneous abortions and decreased sperm counts in humans and strong positive evidence of birth defects and testicular damage in animals.”
Richard Denison, senior scientist at the Environmental Defense Fund, makes the point2:
“The biggest problem is that the vast majority of testing done on these chemicals is that when it is done, it is at best limited to very short-term, acute toxicity tests. The concern here is not [short-term exposure] nearly as much as longer-term chronic toxicity. The dispersants are going to get diluted, spread out over a large area, and effects they’re likely to exert would be due to relatively long exposures over a long period of time.”
And if you think the dispersant chemicals stay out at sea, consider this.
According to a recent ABC report[x], a “brown slime” has appeared on the shore of a barrier island off the coast of Louisiana. The slime, which was thinner than oil, was determined to be a collection of the dispersant BP has been pumping down into the area around the hemorrhaging oil well.
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