INDIANAPOLIS (AP) - The federal government is encouraging farmers to spread a chalky waste from coal-fired power plants on their fields to loosen and fertilize soil even as it considers regulating coal wastes.
The material produced by power plant "scrubbers" that remove acid rain causing sulfur dioxide from plant emissions is a synthetic form of the mineral gypsum.
It also contains mercury, arsenic, lead and other heavy metals.
The U.S. Environmental Protection Agency says those toxic metals occur in only tiny amounts and pose no threat to crops, surface water or humans.
But some environmentalists say too little is known about how the material affects crops, and ultimately human health, for the government to encourage farmers to use it on their land.
(Copyright 2009 by The Associated Press. All Rights Reserved.)
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EPA, USDA push farmers to use coal waste on fields
INDIANAPOLIS (AP) - The federal government is encouraging farmers to spread a chalky waste from coal-fired power plants on their fields to loosen and fertilize soil even as it considers regulating coal wastes.
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Published: December 21, 2009
Published: December 21, 2009
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