Source North America invites underground storage tank operators to review our state-by-state guide to UST regulations as well as an update about UST containment sump testing procedures in preparation for the Oct. 13, 2018, UST compliance deadline. Despite requests from several industry organizations, the EPA has opted not to postpone the deadline. Some individual states may have options in extending particular aspects of the regulation. For the latest updates, please reference Source’s Comprehensive State-by-State Guide.