Diesel fuel spilled from a fishing vessel that was deposited on marshland by Hurricane Katrina's storm surges in Bayou La Batre, Alabama.

Workers clean up oil from Dynegy Pipeline Co. in Venice, Louisiana, after Hurricanes Katrina and Rita in 2005.

Spilled oil at Shell Pipeline in Pilottown Wharf Port Facility in Louisiana after Hurricane Katrina in 2005.

Ruptured tank on levee at Mississippi River near the Sundown Energy facility in Potash, Louisiana.

Three layers of boom surround a leaking tank stranded in the Texas Point National Wildlife Refuge.

Shrimp boats damaged by Hurricane Rita's storm surges in 2005, aground near Sabine Pass at Port
Arthur, Texas.

Oiled marsh and mangrove area after Hurricanes Katrina and Rita in 2005 near the Chevron Pipe Line facility near Port Fourchon, Louisiana.

A container van hangs off the edge of a damaged bridge. In the background, a mobile drilling unit has been moved into the shore by Hurricane Rita in 2005.

A hose is inserted into a tank stranded by Hurricane Rita in the Texas Point National Wildlife Refuge so that the oil in it can be pumped out.

A number of vessels were stranded or damaged as a result of Hurricane Rita in 2005. The Fatima Lady II was declared a pollution hazard because it was losing fuel from its tanks into the waterway.

Marine debris along a Texas coastline, after Hurricane Rita in 2005, in an area where storm surges may have reached 20 feet.