| You are in a channel in U.S. waters near an industrial plant with a load/discharge facility for barges. You hear a siren being sounded at the facility. What does this indicate? |
| A) The facility is warning a barge to shut down transfer operations due to weather conditions (electrical storms, tornado, etc.). |
| B) A towboat with a hazardous cargo barge is being moved to or from the facility. |
| C) There is danger at the facility due to a fire or cargo release. |
| D) A barge at the facility has commenced loading or discharging operations. |
