PORT ARTHUR, Texas - Oil spill response team members with Oil Mop LLC forces oily water into a marko belt skimmer during response operations for the Port Arthur Oil Spill, Jan. 25, 2010.More than 530 responders are coordinating efforts to clean the Sabine-Neches waterway to prevent harm to the environment and reopen the waterway to vessel traffic. U.S. Coast Guard photo by Petty Officer 3rd Class Tom Atkeson