Tankerman · MARPOL — Annex I Oil Content
Under MARPOL Annex I, oily water discharged from machinery spaces of a vessel must not exceed an oil content of:
- A15 parts per million✓ Correct
- B100 parts per million
- C1000 parts per million
- DThere is no limit
Explanation
Effluent from machinery-space bilges may be discharged only through approved oily-water separating equipment giving an oil content not exceeding 15 ppm, with the 15 ppm bilge alarm and other conditions met.
Authority: MARPOL Annex I (oil discharge criteria); 33 CFR 151
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