USCG Exam PracticeMARPOL and discharge regulations
Under 33 CFR §151.13, a ship of less than 400 gross tons that is NOT an oil tanker operating within an Annex I special area may discharge oily mixture only if which condition is met?
- A. The ship is proceeding enroute and the oil content does not exceed 100 ppm
- ✓ The oil content of the effluent without dilution does not exceed 15 ppmCorrect
- C. The discharge occurs more than 12 nautical miles from the nearest land
- D. The ship has an approved oily-water separator in operation
Why B is correct
33 CFR §151.13(b)(2) permits a ship of less than 400 gross tons other than an oil tanker to discharge within a special area only if the oil content of the effluent without dilution does not exceed 15 ppm. The other conditions listed apply to different vessel categories or outside special areas.
Cited:33 CFR §151.13