USCG Exam PracticePollution prevention and environmental awareness
Under 33 CFR §151.10, what is the maximum oil content of effluent that may be discharged overboard from machinery space bilges when a vessel is more than 12 nautical miles from the nearest land and proceeding enroute?
- ✓ Less than 15 parts per million (ppm)Correct
- B. Less than 100 parts per million (ppm)
- C. Less than 50 parts per million (ppm)
- D. Less than 25 parts per million (ppm)
Why A is correct
33 CFR §151.10(a)(5) requires that the oil content of the effluent without dilution be less than 15 ppm as one of the conditions that must all be satisfied for a lawful discharge beyond 12 nautical miles.
Cited:33 CFR §151.10