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Use of Trophic Magnification Factors and Related Measures to Characterize Bioaccumulation Potential of Chemicals by Jason M Conder; Frank A P C Gobas; Katrine Borgå; Derek C G Muir; David E Powell is a Environmental Science article available to read on EtoBox.

What is Use of Trophic Magnification Factors and Related Measures to Characterize Bioaccumulation Potential of Chemicals about?

## Abstract Recent technical workgroups have concluded that trophic magnification factors (TMFs) are useful in characterizing the bioaccumulation potential of a chemical, because TMFs provide a holistic measure of biomagnification in food webs. The objectives of this article are to provide a critical analysis of the application of TMFs for regulatory screening for bioaccumulation potential, and to discuss alternative methods for supplementing TMFs and assessing biomagnification in cases where insufficient data are available to determine TMFs. The general scientific consensus is that chemicals are considered bioaccumulative if they exhibit a TMF > 1. However, comparison of study‐derived TMF estimates to this threshold value should be based on statistical analyses such that variability is quantified and false positive and false negative errors in classification of bioaccumulation potential are minimized. An example regulatory decision‐making framework is presented to illustrate the use of statistical power analyses to minimize assessment errors. Suggestions for considering TMF study designs and TMFs obtained from multiple studies are also provided. Alternative bioaccumulation metrics

Who reads Use of Trophic Magnification Factors and Related Measures to Characterize Bioaccumulation Potential of Chemicals?

Author

Jason M Conder; Frank A P C Gobas; Katrine Borgå; Derek C G Muir; David E Powell

Publisher

Society of Environmental Toxicology and Chemistry; Wiley (John Wiley & Sons); Wiley-Blackwell; Wiley (ISSN 1551-3777)

Published

2011

Language

EN

Field

Environmental Science (Physical Sciences)