United States Code
USC most recently checked for updates: Jun 09, 2025
§ 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The term “fully fluorinated carbon atom” means a carbon atom on which all the hydrogen substituents have been replaced by fluorine.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.
cite as: 15 USC 8931