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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Amalie Essberger





HNS Spilt



Amount Spilt (T)400

CAS Number108-95-2


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

Molten Phenol. A large gas cloud was rapidly visible above the quay. Because of the low temperature outside (around 0°C), the pollutant quickly solidified. Phenol solidifies at +55 oC and the air temperature was around 0 oC .This meant that the evaporation soon stopped and recovery of the solidified product from the bottom of the port area was achieved using simple dredging equipment. It was relatively easy to recover solidified phenol on the quay but more difficult in the water. Monitoring with instruments in the water clearly showed contamination by phenol. Divers searching the area found large stacks of solidified phenol on the bottom. The sunken phenol could be dredged by grab cranes and transferred to barges and later carried to a depository site. Measurements made in the environment after the accident showed no signs of environmental damage.

Material Safety Data Sheets (MSDS)