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.
Morrell says BP has already spent $28 billion on response and cleanup and to pay economic claims to oil spill victims. He says the company has changed its safety procedures, and pre-deployed capping stacks around the world that could more quickly shut down an out-of-control well.