首页|Mapping the potentially affected fraction (PAF) of species as a basis for comparison of ecotoxicological risks between substances and regions
Mapping the potentially affected fraction (PAF) of species as a basis for comparison of ecotoxicological risks between substances and regions
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NETL
NSTL
In order to prioritize environmental policies, it is necessary to compare ecotoxicological risks of different substances, different polluted areas (which may have different mixtures of toxic substances) and to compare between effects of toxic substances and other environmental stressors (excess nutrients, acidification). The concept of ecotoxicological risk forms the basis of setting environmental quality standards for toxic substances in the Netherlands. An environmental concentration is considered to present an acceptable risk if not more than 5/100 of all species is exposed above their no-observed effect concentration (NOEC).
NETL
NSTL
