Facing a host of early retirements and buyouts, EPA’s Office of Land and Emergency Management (OLEM) is in a state of flux with the top career officials leading three key offices -- Superfund, federal facilities cleanup and mountains and plains offices -- having recently left the agency while OLEM’s highest-level career official recently retired. The Office of Superfund Remediation and Technology Innovation (OSRTI) within OLEM, which oversees cleanups, appears to particularly be hard hit as its top slot, along with...