The European Biocidal Product Regulation (BPR) requires dedicated risk assessment of nanomaterials. When it comes to ecotoxicological testing of nanomaterials, meeting these requirements is especially challenging. Overall, these challenges fall into four overall categories: 1) materials characterization, 2) exposure preparation, 3) monitoring stability and 4) monitoring time. In this paper, the challenges are presented and discussed. There is no easy manner in which to deal with the challenges related to ecotoxicological testing of nanomaterials in the light of the BPR requirements. It short the current answer seems to be describe, characterize and document. Characterization is vitally important and has to be done using multiple methods on the nanomaterials as received, in the test media with and without the organisms.

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The challenges of ecotox testing of nanomaterials and the BPR

corresponding

STEFFEN FOSS HANSEN
DTU Environment, Technical University of Denmark, DTU Building 115, Kgs. Lyngby, DK-2800, Denmark.

Abstract

The European Biocidal Product Regulation (BPR) requires dedicated risk assessment of nanomaterials. When it comes to ecotoxicological testing of nanomaterials, meeting these requirements is especially challenging. Overall, these challenges fall into four overall categories: 1) materials characterization, 2) exposure preparation, 3) monitoring stability and 4) monitoring time. In this paper, the challenges are presented and discussed. There is no easy manner in which to deal with the challenges related to ecotoxicological testing of nanomaterials in the light of the BPR requirements. It short the current answer seems to be describe, characterize and document. Characterization is vitally important and has to be done using multiple methods on the nanomaterials as received, in the test media with and without the organisms.


 

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