A man watches an oil slick wash up on a beach along the coast of Refugio State Beach in Goleta, California, United States, May 19, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

Workers clean up an oil slick along the coast of Refugio State Beach in Goleta, California, United States, May 21, 2015. Up to 2,500 barrels (105,000 gallons) of petroleum, according to latest estimates, gushed onto San Refugio State Beach and into the Pacific about 20 miles (32 km) west of Santa Barbara on Tuesday when an underground pipeline that runs along the coastal highway inexplicably burst. REUTERS/Lucy Nicholson 

William McConnaughey, 56, who drove from San Diego to help shovel oil off the beach, stands in an oil slick in bare feet along the coast of Refugio State Beach in Goleta, California, United States, May 20, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

A lobster covered in oil is seen along the coast of Refugio State Beach in Goleta, California, United States, May 20, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

An oil slick is seen along the coast of Refugio State Beach in Goleta, California, United States, May 19, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

An oil slick is seen along the coast of Refugio State Beach in Goleta, California, United States, May 19, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

Birds covered in oil fly in front of an oil-drilling platform above an oil slick along the coast of Refugio State Beach in Goleta, California, United States, May 20, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

A bird covered in oil flies over an oil slick along the coast of Refugio State Beach in Goleta, California, United States, May 20, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

A pelican covered in oil is seen along the coast of Refugio State Beach in Goleta, California, United States, May 20, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

A lobster covered in oil is seen along the coast of Refugio State Beach in Goleta, California, United States, May 20, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

A fish covered in oil is seen along the coast of Refugio State Beach in Goleta, California, United States, May 20, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

An octopus spattered in oil is seen along the coast of Refugio State Beach in Goleta, California, United States, May 20, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

A shrimp covered in oil is seen along the coast of Refugio State Beach in Goleta, California, United States, May 20, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

A shrimp covered in oil is seen along the coast of Refugio State Beach in Goleta, California, United States, May 20, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

A clean up worker holds a box of sea creatures killed by an oil slick along the coast of Refugio State Beach in Goleta, California, United States, May 21, 2015. As much as 2,500 barrels (105,000 gallons) of crude oil, according to latest estimates, gushed onto San Refugio State Beach and into the Pacific west of Santa Barbara when an underground pipeline running parallel to a coastal highway there inexplicably burst on Tuesday morning. REUTERS/Lucy Nicholson 

Buckets of oil volunteers carried from an oil slick sit along the coast of Refugio State Beach in Goleta, California, United States, May 20, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

Volunteers fill buckets of oil from an oil slick along the coast of Refugio State Beach in Goleta, California, United States, May 20, 2015. A pipeline ruptured along the scenic California coastline on Tuesday, spilling some 21,000 gallons (79,000 liters) of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. REUTERS/Lucy Nicholson 

A worker climbs on rocks covered in oil as he cleans up an oil slick along the coast of Refugio State Beach in Goleta, California, United States, May 21, 2015. As much as 2,500 barrels (105,000 gallons) of crude oil, according to latest estimates, gushed onto San Refugio State Beach and into the Pacific west of Santa Barbara when an underground pipeline running parallel to a coastal highway there inexplicably burst on Tuesday morning. REUTERS/Lucy Nicholson 

Workers clean up an oil slick along the coast of Refugio State Beach in Goleta, California, United States, May 21, 2015. Up to 2,500 barrels (105,000 gallons) of petroleum, according to latest estimates, gushed onto San Refugio State Beach and into the Pacific about 20 miles (32 km) west of Santa Barbara on Tuesday when an underground pipeline that runs along the coastal highway inexplicably burst. REUTERS/Lucy Nicholson