CHEMCO Exit Exam • Set 13 Question 7 of 30

Ballast water exchange should be done:

✓

Direct Answer

Option C: at least 200 nautical miles from the nearest land and in waters at least 200 metres in depth.

The BWM Convention, Regulation B-4, mandates ballast water exchange at least 200 nautical miles from the nearest land and in waters at least 200 metres deep. This minimizes the risk of transferring harmful aquatic organisms and pathogens to coastal ecosystems.

All Options

at least 100 nautical miles from the nearest land and in waters at least 100 metres in depth.

at least 200 nautical miles from the nearest land and in waters at least 100 metres in depth.

at least 200 nautical miles from the nearest land and in waters at least 200 metres in depth. (Correct Answer)

at least 100 nautical miles from the nearest land and in waters at least 200 metres in depth.

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).

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