Title 15 — Commerce and TradeRelease 119-73not60

§8931 Definitions

Title 15 › Chapter 115— PERFLUOROALKYL AND POLYFLUOROALKYL SUBSTANCES AND EMERGING CONTAMINANTS › Subchapter III— USGS PERFORMANCE STANDARD › § 8931

Last updated Apr 3, 2026|Official source

Summary

Names the Director as the head of the United States Geological Survey and explains what a highly fluorinated compound is. A fully fluorinated carbon atom is one where every hydrogen has been replaced by fluorine. A perfluoroalkyl substance is a chemical whose every carbon is fully fluorinated. A polyfluoroalkyl substance has at least one fully fluorinated carbon and at least one carbon that is not. A highly fluorinated compound is either a perfluoroalkyl or a polyfluoroalkyl that has at least one fully fluorinated carbon atom.

Full Legal Text

Title 15, §8931

Commerce and Trade — Source: USLM XML via OLRC

In this subchapter:

(1)The term “Director” means the Director of the United States Geological Survey.

(2)(A)The term “highly fluorinated compound” means a perfluoroalkyl substance or a polyfluoroalkyl substance with at least one fully fluorinated carbon atom.

(B)In this paragraph:

(i)The term “fully fluorinated carbon atom” means a carbon atom on which all the hydrogen substituents have been replaced by fluorine.

(ii)The term “perfluoroalkyl substance” means a chemical of which all of the carbon atoms are fully fluorinated carbon atoms.

(iii)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.

Reference

Citations & Metadata

Citation

15 U.S.C. § 8931

Title 15 — Commerce and Trade

Last Updated

Apr 3, 2026

Release point: 119-73not60