The 13th session of the IMO’s Sub-Committee on Pollution Prevention and Response (PPR 13) was held in London from 9 to 13 February 2026. PPR commenced discussions on a legally binding framework on biofouling. PPR also agreed on amendments to requirements regarding NOx emissions certification for engines running on noncarbon fuels, P/V valves on new crude oil carriers, and the dewatering of oily bilge water.
• Commenced discussion on a legally binding framework on biofouling, to be completed in 2029
• Agreed on amendments to the NOx Technical Code to enable the certification of engines operating on non‑carbon fuels or fuel mixtures
• Agreed on amendments to MARPOL Annex VI to require tankers carrying crude oil to be fitted with P/V valves having a minimum opening pressure of 0.20 bar
• Agreed on amendments to MARPOL Annex I, concerning the dewatering of oily bilge water, including removal of water by forced evaporation
• Agreed that scrubber discharge restrictions may be included in future Particularly Sensitive Sea Areas (PSSAs)
• Progressed on the revision of MARPOL Annex IV on sewage treatment• Commenced a review of the NOx emission requirements under MARPOL Annex VI and the NOx Technical Code
Safety and pollution hazards of chemicals and preparation of amendments to the IBC Code
PPR agreed to assign special requirement 16.2.7 to twelve additional high‑viscosity or solidifying products and highlighted concerns over adequate port reception facilities as the amount of affected cargo increases. Two new tank‑cleaning additives were also approved. (....)