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2. Exposure phase
2.1 Fate of substances in the environment
Many phenomena tend to transform substances in the environment:
hydrolysis;
biodegradation ;
photolysis;
decomposition ;
oxidation.
Direct or indirect photodegradation by sunlight is the main process by which substances disappear into the atmosphere. Photolysis essentially involves radical reactions that lead to the transformation or disappearance of the substance in the atmosphere.
In the aquatic environment, the main degradation processes for chemical substances are hydrolysis and biodegradation. Hydrolysis...
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Exposure phase
Impact assessment phase
Bibliography
GLOSSARY
Aerosol: aeronomic term for any substance suspended in the atmosphere in liquid or particulate form.
Clay-humic (complex): aggregate of clay particles and humic acids (degradation products of plant organic matter in the soil).
AFNOR: Association Française de NORmalisation.
Algistatic: inhibits the development of algae.
Anthropic:...
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