4,000 Gallons of Sludge Dumps into Potomac

(Washington Post 3-10-09) - About 4,000 gallons of potentially toxic fly ash sludge spilled into the Potomac River after a pipeline ruptured at a coal-burning power plant, Maryland environmental officials said Tuesday.
 
www.washingtonpost.com/wp-dyn/content/article/2009/03/10/AR2009031001453.html