§8931. Definitions
In this subchapter:
(1) Director
The term "Director" means the Director of the United States Geological Survey.
(2) Highly fluorinated compound
(A) In general
The term "highly fluorinated compound" means a perfluoroalkyl substance or a polyfluoroalkyl substance with at least one fully fluorinated carbon atom.
(B) Definitions
In this paragraph:
(i) Fully fluorinated carbon atom
The term "fully fluorinated carbon atom" means a carbon atom on which all the hydrogen substituents have been replaced by fluorine.
(ii) Perfluoroalkyl substance
The term "perfluoroalkyl substance" means a chemical of which all of the carbon atoms are fully fluorinated carbon atoms.
(iii) Polyfluoroalkyl substance
The term "polyfluoroalkyl substance" means a chemical containing at least one fully fluorinated carbon atom and at least one carbon atom that is not a fully fluorinated carbon atom.
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