OECD
Organisation for Economic Co-operation and Development.
OEWG
Open-Ended Working Group,
Official Statistics of Sweden
Much of the material on the pages of the chemical statistics is Official Statistics of Sweden. It is used as input into the community planning, research and for general information. See also Statistics Sweden.
OJ
Official Journal of the EU.
Oligotrophic
Environments that offer little to sustain life.
Only representative
A natural or legal person established outside the European Community who manufactures a substance on its own, in preparations or in articles, formulates a preparation or produces an article that is imported into the Community may by mutual agreement appoint a natural or legal person established in the Community to fulfil, as is only representative, the obligations on importers. (REACH)
Oral exposure
Exposure via the mouth through food, for example.
Organisation
OSPAR
Oslo Paris Convention for the Protection of the Marine Environment of the North-East Atlantic.
Ozone-depleting substances
Substances that can cause harm to the structure or function of the ozone layer of the stratosphere. Often persistent halogenic and organic substances which react with the ozone and lower its concentration in such a way that the UV light reaches the earth´s surface in high extension.