What steps should be taken to prepare a tank for a cargo incompatible with the previous cargo?

• A. Isolate the tank, purge/inert as required, wash with appropriate cleaners, test atmosphere, sample residues, verify cargo compatibility, and document.
• B. Just open the hatch and discharge the previous cargo.
• C. Only rinse with water and proceed.
• D. Replace the tank interior lining.

Answer: (A)