The IMO Res. MEPC107(49) resolution regulates the design and performance of the oily water separators and the 15 ppm Bilge Alarms for machinery space bilges of ships. Each ship must have a certified 15 ppm bilge alarm for measuring the oil content in the discharge water. The Bilge Alarm shall give an alarm and initiate automatic stop of overboard discharge when oil contents in water exceeds 15 ppm.

The 15 ppm Bilge Alarm type BilgMon 488 is approved and certified in accordance with the latest IMO resolution MEPC107(49) .