Environmental Science & Technology 2011-10-01

Detection of a cyclic perfluorinated acid, perfluoroethylcyclohexane sulfonate, in the Great Lakes of North America.

Amila O De Silva, Christine Spencer, Brian F Scott, Sean Backus, Derek C G Muir

Index: Environ. Sci. Technol. 45(19) , 8060-6, (2011)

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Abstract

Perfluoroethylcyclohexanesulfonate (PFECHS) is a cyclic perfluorinated acid (PFA) mainly used as an erosion inhibitor in aircraft hydraulic fluids. It is expected to be as recalcitrant to environmental degradation as aliphatic PFAs including perfluorooctanoate (PFOA) and perfluorooctane sulfonate (PFOS). For the first time, PFECHS is reported in top predator fish (

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