Containment dome
Containment dome means a non-pressurized container that can be used to collect fluids escaping from the well or equipment below the sea surface or from seeps by suspending the device over the discharge or seep location. The containment dome includes all of the equipment necessary to capture and convey fluids to the surface.
Source
30 CFR § 250.105
Scoping language
Terms used in this part will have the meanings given in the Act and as defined in this section: