NOAA's Office of Response and Restoration[1] provides scientific support for oil spills, chemical accidents, and other emergencies in coastal areas.

Though if we want to talk numbers, here's one: $18.7 billion. NOAA legal assisted DoJ (and others) with BP's Deepwater Horizon civil settlement.[2]

[1] http://response.restoration.noaa.gov/about [2] http://response.restoration.noaa.gov/about/media/agreement-p...