Your ship is returning to New Orleans from a foreign voyage and carrying a bulk cargo of anhydrous ammonia．You must notify the Captain of the Port，New Orleans，______．
A. at least 96 hours before entering port
B. if you are not participating in the USMER system
C. only if you have a hazardous condition aboard
D. only if your arrival will vary more than six hours from your ETA reported to AMVER
You have water washed your cargo tanks using the fixed machines．What should you do before
A. Ventilate the tank to eliminate any electrostatically charged mist
B. Attach the water supply hose to the portable machine after the cleaning head is positioned inside the tank
C. Insure that the tanks are not stripped until the final wash is started
D. Ground the fixed machines to eliminate any electrostatic buildup on the cleaning head
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