期刊
CHEMOSPHERE
卷 128, 期 -, 页码 258-265出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2015.01.033
关键词
Aquatic hazard; Fluorotelomer; Sulfonate; Bioaccumulation; Risk assessment
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, 23.1 d and 0.295, respectively. These data indicate that 6:2 FTSA is not bioaccumutative 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. (C) 2015 Elsevier Ltd. All rights reserved.
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