Under the federal regulations of 33CFR Subchapter O, what is the definition of a "Type III Marine Sanitation Device"?

Correct Answer: Option C — A device that is designed to prevent the overboard discharge of treated or untreated sewage or any waste derived from sewage.

33 CFR 159.53 defines a Type III Marine Sanitation Device as one designed to prevent the overboard discharge of treated or untreated sewage or any waste derived from sewage. This typically involves a holding tank system where waste is retained for shore-side disposal or discharge beyond the three-mile limit.