Cargo ships of less 400GT to discharge when the content of the oil or oily water mixture without dilution is not more than 15ppm. |
Processed bilge water generated from machinery spaces of tankers (150 GT and above) and cargo ships (400GT and above) are allowed to discharge if following conditions are met: |
Ship is not in special areas. | |
Not generated in pumproom. | |
No oil residue mixed. | |
Ship in en-route. | |
Oil content not more than 15ppm. | |
Ship has operational oil filtering equipment. | |
Automatic stopping device fitted to ensure not more than 15ppm oil discharge. |
Oil tankers, tank cleaning bilges can be discharged if: |
Ship is not within special areas. |
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Ship is en route. |
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Distance is more than 50 miles from the nearest land. |
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Discharge rate is not more than 30Liters/Mile. |
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Total quantity of oil is not more than 1/15,000 for old tankers and 1/30,000 for new tankers from cargo residue. |