The chemical tanker Carla Maersk sits at anchor off Morgans Point, Texas, after being involved in a collision with the bulk carrier Conti Peridot March 9, 2015. The Maersk was carrying about 216,000 barrels of Methyl Tertiary Butyl Ether and an unknown quantity of the product was spilled. (U.S. Coast Guard photo by Petty Officer 3rd Class Dustin R. Williams)