Concerns Over Ash Pond Pollution Grow

(USA Today 3-2-09) - The danger of combustion waste from coal-fired power plants became big news in December, when a dam holding back a mountain of ash at a Tennessee Valley Authority plant collapsed, spreading a billion gallons of sludge over several hundred acres near Knoxville.
 
www.usatoday.com/news/nation/2009-02-26-ashponds_N.htm