Sally Newman, right, holds plastic sea creatures as Caroline Nagy pours a mixture of water and paint resembling oil on them during a demonstration at a BP gas station in the SoHo neighborhood of the Manhattan borough of New York, Friday, May 28, 2010. (AP Photo/Mary Altaffer)
- Sally Newman, right, holds plastic sea creatures as Caroline Nagy pours a mixture of water and paint resembling oil on them during a demonstration at a BP gas station in the SoHo neighborhood of the Manhattan borough of New York, Friday, May 28, 2010. (AP Photo/Mary Altaffer)
- Workers are provided with protective equipment as they get ready to clean up oil residue along the beach in Grand Isle, La., Saturday, May 29, 2010. (AP Photo/Jae C. Hong)
- Michael LaBlanc fixes caution tape as workers clean up oil residue along the beach in Port Fourchon, La., Saturday, May 29, 2010. (AP Photo/Jae C. Hong)
- Workers clean up oil residue along the beach in Port Fourchon, La., Saturday, May 29, 2010. (AP Photo/Jae C. Hong)
- An oil-stained concrete sea barrier is shown on the beach in Port Fourchon, La., Saturday, May 29, 2010. (AP Photo/Jae C. Hong)
- President Barack Obama makes a statement on the Gulf Coast oil spill, Friday, May 28, 2010, in Grand Isle, La. From left are, Alabama Gov. Bob Riley, R-Ala., Obama, U.S. Coast Guard Adm. Thad Allen, National Incident Commander for the BP Deepwater Horizon oil spill, and Florida Gov. Charlie Crist, R-Fla. (AP Photo/Evan Vucci)
- Graphic shows estimated reported gallons of oil leaking in the Gulf of Mexico on a daily basis by source since the explosion
- Chart shows NYMEX light sweet crude oil prices
- This May 24, 2010 satellite image provided by NASA from the Moderate Imaging Spectroradiometer Instrument that flies aboard NASA's Terra satellite, shows sunlight illuminating the lingering oil slick from the Deepwater Oil Rig explosion off the Mississippi Delta. (AP Photo/NASA)
- President Barack Obama and LaFourche Parish President Charlotte Randolph show small amounts of oil washed up as "tar balls" during a tour of areas impacted by the Gulf Coast oil spill,Friday, May 28, 2010, in Port Fourchon, La. (AP Photo/Evan Vucci)
- Workers clean up oil from the Deepwater Horizon oil spill in Pass a Loutre, La., Friday, May 28, 2010. (AP Photo/Jae C. Hong)
- Julie Cambre, top, who owns property near the beach, checks on the oil spill in Grand Isle, La., Thursday, May 27, 2010. (AP Photo/Jae C. Hong)
- A rig and support vessels surround the site of the Deepwater Horizon oil spill in the Gulf of Mexico near the coast of Louisiana, Friday, May 28, 2010. (AP Photo/Jae C. Hong)
- Workers use booms to clean up oil from the Deepwater Horizon oil spill in Pass a Loutre, La., Friday, May 28, 2010. (AP Photo/Jae C. Hong)
- This image made from video released by British Petroleum (BP PLC) shows equipment being used to try and plug a gushing oil well in the Gulf of Mexico on Wednesday, May 26, 2010 during a maneuver known as a "top kill" that has never before been tried 5,000 feet underwater. The oil giant's chief executive earlier gave the procedure a 60 to 70 percent chance of working, and President Barack Obama cautioned Wednesday there were "no guarantees." (AP Photo/BP PLC)
- This image made from video released by British Petroleum (BP PLC) shows the gushing oil well in the Gulf of Mexico on Saturday, May 29, 2010 at 10:26 am EDT. As the oil well continues to spew millions of gallons of crude into the Gulf of Mexico, BP offered few details on its latest bid to plug the worst oil spill in U.S. history and scientists suggested any progress was incremental at best. BP PLC engineers may not know until at least Sunday if the "top kill" fix was a success. (AP Photo/BP PLC)
- Sand is pumped from 20,000 feet offshore to build barriers meant to keep oil from entering wetlands near Grand Isle, La., Thursday, May 27, 2010. (AP Photo/Jae C. Hong)
- This image made from video released by British Petroleum (BP PLC) early Friday morning, May 28, 2010 shows drilling mud escaping from the broken pipe on the gushing oil well in the Gulf of Mexico. BP started pumping heavy mud into the leaking Gulf of Mexico well Wednesday and said everything was going as planned in the company's boldest attempt yet to plug the gusher that has spewed millions of gallons of oil over the last five weeks. (AP Photo)
- Graphic explains how to top kill a leaking oil well
- This image made from video released by British Petroleum (BP PLC) early Saturday morning, May 29, 2010 shows drilling mud escaping from the broken pipe on the gushing oil well in the Gulf of Mexico. BP started pumping heavy mud into the leaking Gulf of Mexico well Wednesday and said everything was going as planned in the company's boldest attempt yet to plug the gusher that has spewed millions of gallons of oil over the last five weeks. (AP Photo)
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