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WASHINGTON, Dec. 23 (UPI) -- A study of 139 streams found acetaminophen, the most widely used U.S. pain reliever, is one of the most frequently detected man-made chemicals.
Researchers at the National Institute of Standards and Technology found that the drug readily reacts in chlorine disinfection to form at least 11 new products, at least two of which are known to be toxic.
Lead author Mary Bedner says the results demonstrate that environmental scientists need to be concerned about downstream reaction of products as well as the original waste materials.
"The issue is what you should be looking for in the environment," Bedner says. "When you are looking for the effects of pharmaceuticals in the environment, you need to ask what they're going to turn into."
The findings appear in Environmental Science and Technology.
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WASHINGTON, May 23 (UPI) --
The planned Keystone XL oil pipeline would move oil away from refineries that produce gasoline, increasing prices, the National Resource Defense Council says.
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ORLANDO, Fla., May 23 (UPI) --
A new labor agreement between Lockheed Martin and workers at three company facilities has been ratified and is now in effect.
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The housing inventory rose slightly in April, which is unusual in the middle of the spring sales season. The uptick may be the result of rising seller confidence and it should ease concerns that the super tight inventory levels of the last six months...
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What if Europe turned out to be the new Japan?
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