AP Photo 3 months ago

This photo provided by the Tennessee Valley Authority on Monday, Sept. 14, 2009, shows continuing coal ash recovery efforts from a massive spill in December 2008 at the Kingston Fossil Plant in Kingston, Tenn.

AP Photo 3 months ago

In this July 8, 2009 photo, Harriman, Tenn. Mayor Chris Mason stands outside the 1930s-era Princess Theater movie house in Harriman, Tenn.

AP Photo 4 months ago

Tennessee Valley Authority (TVA) President and Chief Executive Officer Tom Kilgore, right, testifies on Capitol Hill in Washington, Tuesday, July 28, 2009, before the House Water Resources and Environment subcommittee hearing on the Tennessee Valley Authority's Kingston coal ash spill.

AP Photo 5 months ago

In this Feb. 12, 2009 photo provided by the Tennessee Valley Authority, coal ash cleanup is seen under way in a cove known as "Church Slough" in Harriman, Tenn. More than 5 million cubic yards of ash spilled Dec. 22, 2008 from the nearby Kingston Fossil Plant.

AP Photo 6 months ago

In this June 1, 2009 photo provided by the Tennessee Valley Authority, a cove kown as "Church Slough" is seen near Harriman, Tenn. The cove and roadway in foreground have been restored after a massive coal ash spill from the nearby Kingston Fossil Plant in Dec. 22, 2008.

AP Photo 7 months ago

This April 2007 photograph, released by the Tennessee Valley Authority, shows the cooling tower of the single operating reactor at the Watts Bar Nuclear Plant in Spring City, Tenn.

AP Photo 11 months ago

Tom Grizzard, a resident near the Tennessee Valley Authority's Kingston Fossil Plant speaks during an interview at his home in Harriman, Tenn. Tuesday, Dec. 30, 2008.

AP Photo 11 months ago

Tom Grizzard, a resident near the Tennessee Valley Authority's Kingston Steam Plant speaks during an interview at his home in Harriman, Tenn. Tuesday, Dec. 30, 2008.

AP Photo 11 months ago

Tom Grizzard, a resident near the Tennessee Valley Authority's Kingston Steam Plant speaks during an interview at his home in Harriman, Tenn. Tuesday, Dec. 30, 2008.

AP Photo 11 months ago

This file handout photo provided by the Tennessee Valley Authority on Tuesday Jan. 12, 2009 shows the massive ash spill at the Kingston Fossil Plant in Kingston, Tenn. , on Dec. 23, 2008, the day following the spill.

AP Photo 11 months ago

This photo provided by the Tennessee Valley Authority on Tuesday Jan. 12, 2009 shows the massive ash spill at the Kingston Fossil Plant in Kingston, Tenn. , on Dec. 23, 2008, the day following the spill.

AP Photo 11 months ago

A vehicle leaves the Tennessee Valley Authorities Kingston Fossil Plant where a retention pond wall collapsed, Monday, Dec. 22, 2008 in Harriman, Tenn. The Tennessee Valley Authority says the 40-acre pond held a slurry of ash generated by the coal-burning Kingston Steam Plant.

AP Photo 11 months ago

This photo, supplied by the Tennessee Valley Authority, shows the aftermath of a retention wall collapse, Monday, Dec. 22, 2008, in Harriman, Tenn.

AP Photo 11 months ago

This photo, supplied by the Tennessee Valley Authority, shows the aftermath of a retention wall collapse, Monday, Dec. 22, 2008, in Harriman, Tenn.

AP Photo 3 months ago

In this July 8, 2009 photo, a sign is seen near the entrance to the Kingston Fossil Plant in Kingston, Tenn. , warning the public to stay out during the cleanup of a massive coal ash spill at the plant.

AP Photo 3 months ago

In this July 8, 2009 photo, Canada Geese swim near a floating yellow barrier in the Clinch River designed to catch fly ash from a massive coal ash spill at the Kingston Fossil Plant at Kingston, Tenn, shown in background.

AP Photo 3 months ago

In this July 8, 2009 photo, rail cars hauling coal ash are shown leaving the Tennessee Valley Authority's Kingston Fossil Plant in Kingston, Tenn.

AP Photo 4 months ago

FILE - In this Dec. 22, 2008 file photo, an aerial view shows homes that were destroyed when a retention pond wall collapsed at the Tennessee Valley Authorities Kingston Fossil Plant in Harriman, Tenn.

AP Photo 5 months ago

This July 9, 2009 photo shows Perry County Commission Chairman Fairest Cureton holding a lump of coal ash in Marion, Ala. , dredged from a Tennessee Valley Authority spill.

AP Photo 5 months ago

In this photo made Friday, June 19, 2009, Glen Daugherty stands on his dock on the Emory River in Harriman, Tenn. , as a floating dredge in the background sucks up coal ash spilled six months ago from the Tennessee Valley Authority's Kingston Fossil Plant.

AP Photo 11 months ago

Settling bonds and ash piles are shown at the Kingston Fossil Plant in Kingston, Tenn. , on Monday, Jan. 12, 2009. A breach in a containment wall released 1.1 billion gallons of ash and sludge from the plant on Dec. 22, 2008.

AP Photo 11 months ago

In this Monday, Dec. 29, 2008 file image provided by Greenpeace, coal ash slurry left behind in a containment pond near the Tennessee Valley Authority's Kingston Fossil Plant is shown in Harriman, Tenn. , after the dyke at left broke Dec. 22, 2008.

AP Photo 11 months ago

In this image provided by Greenpeace, the broken containment pond which sent a billion gallons of toxic coal ash sludge into the Emory River and surrounding lands is shown at right center adjacent to the Tennessee Valley Authority's Kingston Fossil Plant Dec. 29, 2008, in Harriman, Tenn.

AP Photo 11 months ago

In this image provided by Greenpeace, coal ash slurry left behind in a containment pond near the Tennessee Valley Authority's Kingston Fossil Plant is shown Monday, Dec. 29, 2008 in Harriman, Tenn. , after the dyke at left broke Dec. 22, 2008, unleashing a billion gallon flood of toxic...

AP Photo 11 months ago

In this image provided by Greenpeace, coal ash slurry left behind in a containment pond near the Tennessee Valley Authority's Kingston Fossil Plant is shown Monday, Dec. 29, 2008 in Harriman, Tenn. , after the dyke at left broke Dec. 22, 2008, unleashing a billion gallon flood of toxic...