The development of environmental liability standards for the cleanup of contaminated sites; answers to the question, "how clean is clean?"; modification of early objectives leading to the question "how safe is safe?" and the new focus on how properly to limit, rather than expand, liability; a review of efforts to develop "differential" cleanup standards in the U.S. Environmental Protection Agency's Region III, and in the states of Massachusetts, Texas, Pennsylvania and Illinois.
European Energy and Environmental Law Review