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.
1 Depending on the extent of the damage, total cleanup costs can be $5,000-$70,000 or more; State Farm Insurance estimates the average insurance claim for water damage from frozen pipes is about $15,000. 2  For more information, see How Much Does Water Damage Cost. If the leak is under a concrete slab foundation, just repairing the pipe can cost $500-$3,800 or more; see How Much Does a Slab Leak Cost. 2  A spot repair can put additional pressure on the remaining pipes; it might be necessary to replace everything.