| In accordance with the international MARPOL Annex I regulations and the federal regulations in 33CFR Subchapter O, specific machinery space operations onboard all ships of 400 gross tons or above other than a tanker must be documented in an Oil Record Book. Which of the listed machinery space operations must be documented in the Oil Record Book? |
| A) Discharge overboard of bilge water that has accumulated in the dry cargo holds. |
| B) Taking on ballast water into double-bottom sea water ballast tanks. |
| C) Discharge of ballast from double-bottom sea water ballast tanks. |
| D) Discharge of waste oil or sludge to a reception facility. |
