A bird is mired in oil
A bird is mired in oil on the beach at East Grand Terre Island along the Louisiana coast on Thursday, June 3, 2010. AP Photo/Charlie Riedel Associated Press

A bird covered in oil
A bird covered in oil flails in the surf at East Grand Terre Island along the Louisiana coast Thursday, June 3, 2010. BP CEO Tony Hayward told Sky News that "the environmental impact of this disaster is likely to be very, very modest." (AP Photo/Charlie Riedel) Associated Press

Oil Covered Pelican
A brown pelican is seen on the beach at East Grand Terre Island along the Louisiana coast on Thursday, June 3, 2010. "I think this is clearly a major reputational issue for BP," CEO Tony Hayward said in Port Fourchon in southern Louisiana. (AP Photo/Charlie Riedel) Associated Press

Oil Reaches Louisiana Shores
A Greenpeace activist steps through oil on a beach along the Gulf of Mexico on May 20, 2010 near Venice, Louisiana. On May 14, BP CEO Tony Hayward attempted to persuade The Guardian that "the Gulf of Mexico is a very big ocean. The amount of volume of oil and dispersant we are putting into it is tiny in relation to the total water volume."(John Moore/Getty Images) Boston.com

Boat captain shows oil on his hands
Boat captain Preston Morris shows the oil on his hands while collecting surface samples from the marsh of Pass a Loutre, Louisiana on Wednesday, May 19, 2010. On April 29, The New York Times reported that BP CEO Tony Hayward, apparently exasperated, turned to fellow executives in his London office and asked, "What the hell did we do to deserve this?" 760 safety violations over the last three years may be the answer. (AP Photo/Gerald Herbert) Associated Press

Shrimp Boat in Gulf of Mexico
A shrimp boat is used to collect oil from the Deepwater Horizon oil rig explosion in the Gulf of Mexico on May 5, 2010. Tony Hayward, embattled Chief Executive of UK-based BP said, "Sticks and stones will hurt my bones but words will never break them," he remarked. He also noted that, so far at least, he was "unscathed." (AP Photo/Eric Gay) Associated Press

Natural Gas Burning off from the Deepwater Horizon
Natural gas from the damaged Deepwater Horizon wellhead is burned off by the drillship Discoverer Enterprise May 16, 2010 in the Gulf of Mexico off the coast Louisiana. Patrick Kelley/U.S. Coast Guard via Getty Images Boston.com

Mississippi River meets Gulf Oil Spill
Mississippi River water (left) meets sea water and an oil slick that has passed inside of the protective barrier formed by the Chandeleur Islands, off the coast of Louisiana, on May 7, 2010. (MARK RALSTON/AFP/Getty Images) Getty

An Aerial View of the Wellhead
An aerial view of the oil leaked from the Deepwater Horizon wellhead, May 6, 2010. (REUTERS/Daniel Beltra) Reuters

Interesting Sign at a BP Station

An oil-soaked bird
An oil-soaked bird struggles against the side of an Iron Horse supply vessel at the site of the oil spill off Louisiana on May 9. AP Photo/Gerald Herbert Associated Press

A dead jellyfish floats amid oil
A dead jellyfish floats amid oil May 6 in the Gulf of Mexico, southwest of the Southwest Pass of the Mississippi River on the coast of Louisiana. AP Photo/Patrick Semansky Associated Press

Bottlenose Dolphins Swimming in Oil
A pod of bottlenose dolphins swims in the oily water of Chandeleur Sound on May 6. Five days later, six dead dolphins were found along the Gulf Coast. Officials were investigating oil's role in the deaths. AP Photo/Alex Brandon Associated Press

Oil swirls in the Gulf of Mexico
Oil swirls in the Gulf of Mexico currents May 6. AP Photo/Dave Martin Associated Press

Oil-Covered Bird Eggs
Pelicans fly past a nest of eggs apparently stained with oil on a Louisiana island May 22, 2010. The island is home to hundreds of brown pelican nests as well as terns, gulls and roseated spoonbills. AP Photo/Gerald Herbert Associated Press

Greenpeace Worker Collects Oil Samples
A Greenpeace worker collects samples of oil May 19 that washed up along the mouth of the Mississippi River near Venice, La. AP Photo/Charlie Riedel Associated Press

Gulf Shores, Alabama
Ed and Lucy Waltz of Leroy, Illinois, walk to the beach in Gulf Shores, Alabama, Monday, June 7, 2010. AP Photo/Dave Martin Associated Press

Queen Bess Island, Louisiana
In this June 5, 2010, photo Plaquemines Parish coastal zone director PJ Hahn lifts his boot out of thick beached oil at Queen Bess Island in Barataria Bay, just off the Gulf of Mexico in Plaquemines Parish, La. AP Photo/Gerald Herbert Associated Press

Bay Long, Louisiana
Plaquemines Parish coastal zone director P.J. Hahn holds up a small oiled fish at Bay Long off the coast of Louisiana Sunday, June 6, 2010. Oil from the Deepwater Horizon spill continued to move inland along several gulf states. AP Photo/Charlie Riedel Associated Press

Oil Washes Ashore in Alabama
Crude oil from the Deepwater Horizon oil spill washes ashore in Orange Beach, Alabama, Saturday, June 12, 2010. AP Photo/Dave Martin Associated Press

A sea turtle mired in oil
A sea turtle is mired in oil from the Deepwater Horizon oil spill on Grand Terre Island, Louisiana June 8, 2010. REUTERS/Lee Celano Reuters

An exhausted oil-covered pelican
An exhausted oil-covered brown pelican tries to climb over an oil containment boom along Queen Bess Island Pelican Rookery Louisiana June 5, 2010. Wildlife experts are working to rescue birds from the rookery which has been affected by BP's Gulf of Mexico oil spill. REUTERS/Sean Gardner Reuters

A dead turtle floats on a pool of oil
A dead turtle floats on a pool of oil from the Deepwater Horizon spill in Barataria Bay off the coast of Louisiana Monday, June, 7, 2010. AP Photo/Charlie Riedel Associated Press

Deepwater Horizon Oil Rig Burning
In this aerial photo taken in the Gulf of Mexico more than 50 miles southeast of Venice on Louisiana's tip, the Deepwater Horizon oil rig is seen burning Wednesday, April 21, 2010. Eleven men working on the platform were killed, and 17 others injured. AP Photo/Gerald Herbert Associated Press

BP CEO Tony Hayward
BP CEO Tony Hayward prepares to testify on Capitol Hill in Washington, before the House Oversight and Investigations subcommittee hearing on the role of BP in the Deepwater Horizon Explosion and oil spill on June 17, 2010. AP Photo/Alex Brandon Associated Press

Crude Oil Washes Ashore
Crude oil from the Deepwater Horizon oil spill washes ashore in Orange Beach, Alabama, Saturday, June 12, 2010. AP Photo/Dave Martin

BP Oil Spill Cleanup

Oil slick in the Gulf of Mexico.
Oil slick in the Gulf of Mexico.

Seawater covered with thick black oil
Seawater covered with thick black oil splashes up in brown-stained whitecaps off the side of the supply vessel Joe Griffin at the site of the Deepwater Horizon oil spill containment efforts in the Gulf of Mexico off the coast of Louisiana Sunday, May 9, 2010. (AP Photo/Gerald Herbert)

BP Oil Spill
Oil floats off the bow of a boat in Barataria Bay on the coast of Louisiana, Saturday, June 19, 2010. (AP Photo/Patrick Semansky)