Background level

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Terms & Synonyms

Official WHO Definition

The amount of an agent in a medium (e.g., water, soil) that is not attributed to the source(s) under investigation in an exposure assessment. Background level(s) can be naturally occurring or the result of human activities (WHO 2004).In toxic substance monitoring, the average presence of a substance in the environment, formerly referred to as naturally occuring phenomena (Symons et al. 2000).

Other Definitions

Contents

Interpretations and Explanations

References

Symons, J. M., Bradley, L. C. Jr. and Cleveland, T. C. 2000. The Drinking Water Dictionary. American Water Works Association WHO (2004) IPCS Risk Assessment Terminology


WHO Lexicon page (translations and examples)


See also

External Resources

Attachments

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