During fueling operations oil is detected in the water adjacent to your vessel. If however, it is determined to be from some source other than your vessel, you should __________.

Correct Answer: Option A — notify the Coast Guard

Under 33 CFR 151 and MARPOL requirements, any observed oil pollution must be reported immediately to the nearest Coast Guard Captain of the Port. Even if the source is unknown, failing to report a spill can lead to severe legal penalties and potential liability for the vessel.