# Commission Regulation (EU) No 544/2011 of 10 June 2011 implementing Regulation (EC) No 1107/2009 of the European Parliament and of the Council as regards the data requirements for active substances (Text with EEA relevance) (repealed), Division: Circumstances in which required

Extent: E+W+S+N.I.

The bioconcentration potential of active substances, of metabolites and of degradation and reaction products, likely to partition into fatty tissues (such as log pow ≥ 3 — see point 2.8 or other relevant indications of bioconcentration), must be investigated and be reported, unless it can be justified that exposure leading to bioconcentration is not likely to occur.

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Source: https://www.legislation.gov.uk/eur/2011/544/annex/part/A/division/8/division/8.2/division/8.2.3/division/2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-544/annex/part-A/division-8/division-8.2/division-8.2.3/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.