USCG Exam PracticePollution prevention and environmental awareness
A vessel is proceeding enroute, more than 12 nautical miles from the nearest land, and is not in a special area. Under 33 CFR §151.10, which additional condition must be met before oily bilge water from the machinery spaces may be discharged overboard?
- A. The oil content of the effluent without dilution must be less than 100 ppm
- B. The oily-water separating equipment must be equipped with a 15 ppm bilge alarm
- ✓ The oil content of the effluent without dilution must be less than 15 ppm and the ship must have oily-water separating equipment in operationCorrect
- D. The discharge must be approved in writing by the COTP
Why C is correct
33 CFR §151.10(a) requires, among other conditions, that the oil content of the effluent without dilution be less than 15 ppm and that the ship have in operation oily-water separating equipment, a bilge monitor, bilge alarm, or combination thereof. The 15 ppm bilge alarm requirement applies specifically to discharges within 12 nautical miles under §151.10(b)(5).
Cited:33 CFR §151.10