Ring test_raw biodegradation data_Dec19.xlsx (1.47 MB)

Results from a multi-laboratory validation of a new marine biodegradation screening test for chemical persistence assessment

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posted on 11.12.2019, 14:32 by Amelie Irmgard Gerlinde Ott, Timothy J. Martin, Kishor Acharya, Nik Robinson, Bob Rowles, Jason R Snape, Ian Still, Graham F Whale, Vurtice C. Albright III, Petra Bäverbäck, Nicola Best, Ruth Commander, Curtis Eickhoff, Sarah Finn, Björn Hidding, Heiko Maischak, Katherine A. Sowders, Masanori Taruki, Helen E. Walton, Aina Charlotte Wennberg, Russell J. Davenport, Delina Lyon
International ring test with 13 laboratories validated a new test for marine biodegradation with a focus on more reliable persistence screening.

New test (imBSTMR) incorporates increased bacterial cell numbers and runs beyond 60 days.

New test provides a more reliable and less variable characterisation of the biodegradation of five reference compounds (sodium benzoate, triethanolamine, 4-nitrophenol, anionic polyacrylamide, pentachlorophenol), with respect to non-persistence thresholds, than the current OECD 306 method.

For more information on the methods and results, please see the paper Ott et al., 2020, Multi-laboratory validation of a new marine biodegradation screening test for chemical persistence assessment - manuscript submitted for publication

Funding

Cefic LRi ECO11

EPSRC Challenging Engineering Award EP/1025782/1

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