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just day in paradise: time acrylonitrile on csx line in tennessee. stuff toxic enough responders warned off trying extinguish fire. evacuation zone 1.5 2 miles affecting thousands. there groundwater contamination concerns, , rainy weather more bad news cleanup. csx providing clean drinking water.

maryville times piece http://www.thedailytimes.com/news/c...le_93e6416c-9b95-5894-8bd3-6ac161bed5ea.html

quote

"acrylonitrile used make variety of synthetic materials, many of use every day," dr. nathan duncan, assistant professor of chemistry @ maryville college, told daily times on thursday. "when it's made polymers , plastics, it's pretty safe, material itself, can quite bad. main thing is pretty toxic, , when burns, produces more toxic stuff. if it's burning, can produce cyanide gas, dangerous.

"in past, it's been used insect fumigants, , it's extremely toxic humans. long-term exposure has shown can carry increase in likelihood types of cancers, , can absorbed through skin, can break down form cyanide. in small doses, people may or may not notice it, dizziness , shortness of breath things people should for."

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