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.
Average costs of the oil spill clean-up for the oil disasters listed in the table work out at $161 Million, this does not include the estimated costs of $12.5 Billion to clean up the Gulf of Mexico, as this is unprecedented and would give a false value. Reference Web: