1. a colorless oily fuming liquid, N2H4, used as a reducing agent and a jet-propulsion fuel. 2. a class of substances derived from this substance by replacing one or more hydrogen atoms by an organic group.
More than 150 companies and government entities could be asked to cover their share of the cleanup costs. On Nov. 18, the EPA submitted a nearly $1.4 billion cleanup option for the Portland Harbor Superfund site to the National Remedy Review Board, which serves as a peer review panel for Superfund projects.
Because there is no more money in the Superfund, all of the funding must now come from the taxpayers. The contribution to the cleanup fund from general revenues increased from $250 million annually in FY 1993-FY 1998 to $1.31 billion in FY 2010.