ChlorTainer Offers the Safest Technology for Chemical Processing and Leak Mitigation For the safety of plants and other facilities using toxic chemicals, ChlorTainer is the best way to store and process chemicals. It is a simple secondary containment vessel that can be installed indoors, or even located in an open-air structure as long as it provides shelter from direct sunlight and rain. ChlorTainer’s compact, sealed, secondary containment vessel provides the ultimate in chlorine gas safety. Industry experts widely recognize ChlorTainer as the safest technology for chemical processing and leak mitigation.