| 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 100 nautical miles from any shoreline. |
| B) Ballast water may only be discharged overboard through an approved oily-water separator. |
| C) Ballast water may only be discharged overboard if the vessel is underway. |
| D) Prior to entering U.S. waters, a vessel may use any Coast Guard approved alternative environmentally sound method of BWM. |
