Colombo Port midnight anchorage bunkering: fuel testing for sulfur content and MARPOL Annex VI?
3 Answers from travellers
Bunkering vessels anchored in Colombo Outer Roads must comply strictly with IMO 2020 MARPOL Annex VI limits capping marine fuel sulfur at 0.50% m/m. Independent marine surveyors board bunkering barges at night to draw continuous manifold drip samples using automated samplers throughout pumping. Fuel samples are sealed into tamper-evident bottles divided into four splits: vessel retained, barge retained, MARPOL official compliance sample, and testing laboratory sample. Onboard testing with portable X-ray fluorescence (XRF) analyzers verifies sulfur limits before the ship sails.
Bunkering barges must halt pumping immediately if sudden monsoon swells create dynamic surging between hulls, risking ruptured bunkering hose lines.
Harbor security boats deploy oil-spill booms around transfer stations; discharging bilge oil in Colombo Port waters carries heavy environmental fines.
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