Kindly note that this presentation of LEO has now been integrated with the InforMEA Portal.



The capacity of a substance to remain chemically stable. This is an important factor in estimating the environmental effects of substances discharged into the environment. Certain toxic substances (e.g., cyanides) have a low persistence, whereas other less immediately toxic substances (e.g., many organochlorines) have a high persistence and may therefore produce more serious effects. (Source: GEMET/ALL)

Other relations

  • Persistency (BRS)
  • persistence

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