Engineering · Pollution — MARPOL
Under MARPOL Annex I, the maximum oil content for machinery-space bilge water discharged overboard (outside special areas, en route) is:
- A100 ppm
- B15 ppm, through approved equipment✓ Correct
- C50 ppm
- DNo limit beyond 12 miles
Explanation
MARPOL Annex I limits overboard machinery-space bilge discharge to 15 ppm oil, processed through approved 15-ppm separating equipment with an oil-content monitor and automatic stopping device.
Authority: MARPOL Annex I; 33 CFR 151
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