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Cargo ships of less 400GT to discharge when the content of the oil or oily water mixture without dilution is not more than 15ppm. |
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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: |
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Ship is not in special areas. |
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Not generated in pumproom. |
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No oil residue mixed. |
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Ship in en-route. |
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Oil content not more than 15ppm. |
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Ship has operational oil filtering equipment. |
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Automatic stopping device fitted to ensure not more than 15ppm oil discharge. |
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Oil tankers, tank cleaning bilges can be discharged if: |
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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. |