| Under the federal regulations of 33CFR Subchapter O, if a vessel equipped with a Type III Marine Sanitation Device enters a body of water where the discharge of untreated sewage is prohibited, which of the following methods of securing the device to prevent the discharge of sewage is UNACCEPTABLE? |
| A) Using a non-releasable wire-tire to hold each valve leading to an overboard discharge in the closed position. |
| B) Closing each valve leading to an overboard discharge and removing the handle. |
| C) Closing and tagging each valve leading to an overboard discharge. |
| D) Padlocking each valve leading to an overboard discharge in the closed position. |
