EPA's Office of Underground Storage Tanks (OUST) Director Carolyn Hoskinson told state regulators in a recent memo that cleaning up the nation's backlog of nearly 85,000 leaking underground storage tanks (LUSTs) is one of her office's top priorities, asking states to place a special emphasis on stalled cleanups and suggesting strategies states may use to speed cleanups. In the memo emailed to state regulators July 30, Hoskinson emphasizes that OUST conducts all of its cleanup-related activities with backlog reduction in...