ODMCS (Oil discharge monitoring and control system) regulations:
- Oil tanker 150 GT and above, It ensures that any oily mixture discharge into the sea after passing the system has an oil content not exceeding 15 ppm.
- It is also to be provided with alarming arrangement & automatic stopping discharge system.
- When the oil content exceeds 15 ppm the oil shields discharged by the system is not to be seen by visible eye.
- Oil tanker 150 GT and above shall be equiped with an ODMCS approved by the administration