Coal Ash Spill Revives Issue of its Hazards

(New York Times 12-24-08) - What may be the nation’s largest spill of coal ash lay thick and largely untouched over hundreds of acres of land and waterways Wednesday after a dam broke this week, as officials and environmentalists argued over its potential toxicity.
 
www.nytimes.com/2008/12/25/us/25sludge.html