Director
The term “Director” means the Director of the United States Geological Survey.
Highly fluorinated compound
In general
The term “highly fluorinated compound” means a perfluoroalkyl substance or a polyfluoroalkyl substance with at least one fully fluorinated carbon atom.
Definitions
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The term “fully fluorinated carbon atom” means a carbon atom on which all the hydrogen substituents have been replaced by fluorine.
Perfluoroalkyl substance
The term “perfluoroalkyl substance” means a chemical of which all of the carbon atoms are fully fluorinated carbon atoms.
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.
Pub. L. 116–92, div. F, title LXXIII, § 7331133 Stat. 2281 (, , .)