STCW Basic Training For Oil And Chemical Tanker Cargo Operations (Tanker Familiarization)

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According to MARPOL regulations and standard industry practice, when is Crude Oil Washing (COW) intended to be conducted?

Only while the vessel is at anchor in a designated area. At any time during the laden voyage to clean the tanks. Concurrently with the discharge of the crude oil cargo. Immediately after ballasting the cargo tanks with seawater.

Correct Answer:

Concurrently with the discharge of the crude oil cargo.

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