Discharging untreated sewage: the 12 nm and 4 knot rules
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Planned scope. Comminuted-and-disinfected at >3 nm, untreated at >12 nm, ship at 4 knots
Regulatory anchor. MARPOL Annex IV, Reg 11.1.1
Cluster. MARPOL Annexes III, IV and V. Catalogued in research/marpol-annexes-iii-iv-v.md.
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