A facility used for the discharge of a cargo of a particular hazard, such as chlorine, butane or ethane, must have what to warn water traffic of an immediate danger during fire or cargo release?

Correct Answer: Option D — A siren or rotating flashing light

Facilities handling particular hazardous bulk liquids like chlorine or butane must display a visible rotating flashing light or sound an audible siren to alert passing vessels to immediate dangers during fires or accidental cargo releases.