Aquatic hazard, bioaccumulation and screening risk assessment for 6:2 fluorotelomer sulfonate

Chemosphere
Robert A HokeStephen H Korzeniowski

Abstract

This study assessed the aquatic toxicity and bioaccumulation potential of 6:2 fluorotelomer sulfonate (6:2 FTSA). Acute and chronic aquatic hazard endpoints indicate 6:2 FTSA is not classified for aquatic hazard according to GHS or European CLP legislation. The aqueous bioconcentration factors for 6:2 FTSA were <40 and the dietary assimilation efficiency, growth corrected half-life and dietary biomagnification factor (BMF) were 0.435, 23.1d and 0.295, respectively. These data indicate that 6:2 FTSA is not bioaccumulative in aquatic organisms. Comparison of PNECs with the reported surface water concentrations (non-spill situations) suggests low risk to aquatic organisms from 6:2 FTSA. Future studies are needed to elucidate the biotic and abiotic fate of commercial AFFF surfactants in the environment.

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Citations

Oct 12, 2016·Environmental Pollution·Ulrika ErikssonAnna Kärrman
Mar 13, 2020·Environmental Toxicology and Chemistry·Sarah A AbercrombieJason T Hoverman
Jun 11, 2019·The Science of the Total Environment·Caroline Simmonet-LapradePierre Labadie
Jul 9, 2021·Environmental Toxicology and Chemistry·Allison M NarizzanoMichael J Quinn

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