BP’s Corexit 9527A, used to disperse the oil, contains between 30-60% 2-butoxyethanol
Hazardous Substance Fact Sheet for 2-BUTOXY ETHANOL, New Jersey Dept. of Health and Human Services, August 2008 (Revised):
2-Butoxy Ethanol should be handled as a CARCINOGEN–WITH EXTREME CAUTION. …
The following chronic (long-term) health effects can occur at some time after exposure to 2-Butoxy Ethanol and can last for months or years:
Cancer Hazard: 2-Butoxy Ethanol may be a CARCINOGEN in humans since it has been shown to cause liver cancer in animals. Many scientists believe there is no safe level of exposure to a carcinogen.
Reproductive Hazard: 2-Butoxy Ethanol may damage the developing fetus. There is limited evidence that 2-Butoxy Ethanol may damage the male reproductive system (including decreasing the sperm count) in animals and may affect female fertility in animals.
2-Butoxy Ethanol may damage the liver and kidneys.
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