Hazardous and Noxious Substances Spill Incidents

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On this database it is collected information on the fate and weathering of hazardous and noxious substances (HNS) accidentally spilt at the sea around the world. It gathers and systematizes existing information to assist stakeholders involved in spill preparedness and response, and builds return of experience datasheets for the chemicals involved. It will facilitate the incorporation of lessons from past incidents on the decision process to improve preparedness.

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Pacific Adventurer



Rest of the world


HNS Spilt

Ammonium nitrateSolid


Amount Spilt (T)620

CAS Number6484-52-2


Physical Behaviour (SEBC code)


Pollution Category (MARPOL Annex 2)


Class according to IMDG code


Subsidiary Risk Class according to IMDG code

Classification as Marine Pollutant


HNS Classification (2010 HNS Convention)

Fate and weathering facts observed/reported

This chemical is mainly used to produced fertilisers and explosives. According to experts, ammonium nitrate could be harmful to algal bloom, asphyxiate fish and destroy marine habitats. Moreover, Moreton Bay is a marine park home to many species of birds, turtles and dolphins. In terms of the extent of the spill, a relatively small proportion of the fauna was affected.

Material Safety Data Sheets (MSDS)