London Convention and Protocol Step-by-Step guidance on using action lists and action levels for dredged materials, 2020 Multilingual Edition is in English, French and Spanish.

Low Cost, Low Technology Compliance Monitoring, 2017 Edition: Assessment of permit compliance for disposal of waste and other matter at sea

A Particularly Sensitive Sea Area (PSSA) is an area of the marine environment that needs special protection through action by the IMO because of its significance for recognized ecological, socio-economic, or scientific attributes where such attributes may be vulnerable to damage by international shipping activities.