Mercaptan Assassin®, which is sold as a kit containing Mercaptan Assassin ESD and Mercaptan Assassin™ AOT. The Mercaptan Assassin® system is used to clean up mercaptan spills, treat empty drums, and remove mercaptan from fabric or clothing. Similar to O-Scent, it is effective for foul odor "emergencies" where both instant and long-lasting odor control are desired. It is safe to be used around people, domesticated animals, plants and marine life.