| To be in compliance with U.S. Federal Ballast Water Management regulations, which of the following procedures may be followed by an ocean vessel entering U.S. waters returning from an international voyage? |
| A) Prior to discharging ballast water in U.S. waters, the vessel must perform a complete ballast water exchange in an area no less than 200 nautical miles from any shoreline. |
| B) Retain ballast water on board the vessel. |
| C) Prior to entering U.S. waters, use any Coast Guard approved alternative environmentally sound method of BWM. |
| D) All of the above |
