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Mercury pollution from power plants seen
by Staff Writers
Indianapolis (UPI) Jul 19, 2011

disclaimer: image is for illustration purposes only

Researchers in Indiana say they have conducted the first study measuring mercury levels in soil near coal-fired U.S. power plants.

Scientists at Indiana University-Purdue University Indianapolis found measurable amounts of the mercury emitted by coal-fired power plants is deposited in local soil, a UI release said Tuesday.

While previous research on the spread of environmental mercury has focused on waterways, the new study looked at land by taking soil samples and detecting hot spots of mercury contamination in central Indiana specifically tied to local coal-fired power plants.

Mercury-contaminated soil can be blown long distances by winds, the researchers said.

"Mercury from coal-fired power plants has been found in the ice at the North and the South Poles, so the fact that these noxious emissions are swept far away to other areas or even continents, with global environmental impact, is well known," said senior author Gabriel M. Filippelli, professor of earth sciences at IUPUI.

"What had not been previously shown is the impact of the mercury on the environments in cities, suburbs and rural areas near specific coal-burning power plants."

"It all comes down to the choices we make to produce energy," he said.

"As we gain a better understanding of the deposition and risk patterns of mercury from using dirty coal as our primary energy source in the Midwest, we hopefully will be better able to stop or decrease the emission of this neurotoxin and halt the damage it is causing humans," Filippelli said.




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