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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Viggo Hinrishsen

1973

Baltic Sea

Europe

Packaged

HNS Spilt

Chromium dioxideSolid

CrO2

Amount Spilt (T)234

CAS Number12018-01-8

D

Physical Behaviour (SEBC code)

-

Pollution Category (MARPOL Annex 2)

5.1

Class according to IMDG code

6.1; 8

Subsidiary Risk Class according to IMDG code

Classification as Marine Pollutant

iv

HNS Classification (2010 HNS Convention)

Fate and weathering facts observed/reported

Chromium started to dissolve in water, forming a corrosive chromic acid. The place was treated with 11 T of ferrous sulphate, a reducing agent, not doing good but no harm either.

Material Safety Data Sheets (MSDS)

http://www.sciencelab.com/msds.php?msdsId=9923475

Sodium dichromateSolid

Na2-Cr2-O7.2H2O

Amount Spilt (T)180

CAS Number7789-12-0

D

Physical Behaviour (SEBC code)

-

Pollution Category (MARPOL Annex 2)

5.1

Class according to IMDG code

6.1

Subsidiary Risk Class according to IMDG code

Classification as Marine Pollutant

iv

HNS Classification (2010 HNS Convention)

Fate and weathering facts observed/reported

Chromium started to dissolve in water, forming a corrosive chromic acid. The place was treated with 11 T of ferrous sulphate, a reducing agent, not doing good but no harm either.

Material Safety Data Sheets (MSDS)

http://www.sciencelab.com/msds.php?msdsId=9927266