Bilge alarm, 15 ppm bilge alarm

Regulation 16(5) of Annex I of MARPOL 73/78 stipulates that the oil content of the effluent from oily water separator should not exceed 15 parts of oil per million parts of water. The alarm arrangement referred to as “15 ppm bilge alarm” shall activate when this level cannot be maintained, and initiate automatic stop of overboard discharge.

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