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MARPOL

Pollution-prevention rules seafarers must know cold: MARPOL Annexes I–VI — oil, chemicals, packaged goods, sewage, garbage and air emissions — with discharge criteria, record books and PSC checks.

8 Topics In this Sub-topic
MARPOL

MARPOL Topics

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01 MARPOL 73/78: The Convention & Its Six Annexes The international convention for marine pollution — what it covers, its six annexes, technical discharge criteria, and statutory enforcement. Beginner · 9 min read · 4 sections 02 MARPOL Annex I — Prevention of Pollution by Oil IOPP, the 15 ppm OWS, discharge criteria, the Oil Record Book Parts 1 & 2, SOPEP and the ten special areas. Intermediate · 10 min read · 4 sections 03 MARPOL Annex II — Noxious Liquid Substances in Bulk Chemical tanker categorisation (X, Y, Z, OS), stripping limits, mandatory prewash, underwater discharge, and P&A Manual compliance. Intermediate · 10 min read · 4 sections 04 MARPOL Annex III — Harmful Substances in Packaged Form The IMDG Code, nine dangerous goods classes, UN packaging standards, marine pollutant markings, stowage segregation, and hold bilge isolation. Intermediate · 10 min read · 4 sections 05 MARPOL Annex IV — Prevention of Pollution by Sewage from Ships Biological Sewage Treatment Plants (MEPC.227(64)), 3 NM / 12 NM discharge criteria, standard flange CAD, and Baltic Sea nutrient removal. Intermediate · 9 min read · 4 sections 06 MARPOL Annex V — Prevention of Pollution by Garbage from Ships Universal plastics ban, 25 mm food comminution, 3 NM / 12 NM distance matrix, color-coded stations, and GRB Parts I & II. Intermediate · 9 min read · 4 sections 07 MARPOL Annex VI — Air Pollution: SOx, NOx & Exhaust Gas Cleaning SOx limits (0.50% / 0.10%), EGCS scrubbers, Tier I/II/III NOx curves, SCR urea reactors, and Bunker Delivery Note sampling. Intermediate · 11 min read · 3 sections 08 MARPOL Annex VI — Emission Reduction, EEDI, EEXI & CII In-engine NOx reduction (EGR, slide valves), the NOx Technical File, EEDI design indices, EEXI power limitation (EPL), and CII ratings. Advanced · 11 min read · 3 sections