Exxon Valdez oil spill cleanup, 2-butoxyethanol, was identified as "one of the agents that caused liver, kidney, lung, nervous system, and blood disorders among cleanup crews in Alaska following the 1989 "Exxon Valdez" spill. Mechanical cleanup was started shortly afterwards using booms and skimmers, but the skimmers were not readily available during the first 24 hours following the spill, and thick oil and kelp tended to clog the equipment. Despite civilian insistence for a complete clean, only 10% of total oil was actually completely cleaned. Exxon was widely criticized for its slow response to cleaning up the disaster and John Devens, the mayor of
MV Treasure oil spill dive team reported that very little oil was leaking out of the ship. Different types of methods were used in the cleanup of the oil spill, two of which included workers loading kelp covered in oil into trucks and vacuuming up pools of oil with specially designed vacuums. In addition, booms were used to keep the oil from entering Cape Town Harbor. South African company Bio-Matrix was contracted to help clean up the oil slick that was polluting the penguins' habitats. The company used a Canadian product, also called Bio-Matrix, made of sphagnum moss properties, which are notable for their