--- title: Audit, Compliance and Risk Blog | STP | PFOS description: PFOS | STP's blog giving insight into audit, compliance and risk issues for EHS, business and accounting. --- [![Specialty Technical Publishers](https://blog.stpub.com/hubfs/STP-logo-white-orange.png)](http://www.stpub.com/) - [My Account](http://stponline.stpub.com) - 1-800-251-0381 # Audit, Compliance and Risk Blog ## [EPA designates two perfluoro “forever chemicals” as Superfund hazardous substances](https://blog.stpub.com/epa-designates-two-perfluoro-forever-chemicals-as-superfund-hazardous-substances) Posted by [Jon Elliott](https://blog.stpub.com/author/jon-elliott) on Mon, Jul 01, 2024 - [Tweet](https://twitter.com/share) [![](https://blog.stpub.com/hubfs/pfas-2-2.png) ](https://blog.stpub.com/epa-designates-two-perfluoro-forever-chemicals-as-superfund-hazardous-substances) On May 8, 2024, the Environmental Protection Agency (EPA) published rule revisions adding two perfluoro chemicals -- Perfluorooctanoic Acid (PFOA) and Perfluorooctanesulfonic Acid (PFOS) – as hazardous substances under the federal Superfund law (Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)). This listing is the latest regulatory action by EPA tightening controls on per- and poly-fluoroalkyl substances (PFAs); the initiatives are covered under the agency’s “PFAs Strategic Roadmap: EPA’s Commitments to Action 2021—2024,” promulgated in October 2021. The remainder of this note describes the latest action, which finalizes a proposal issued in August 2021 (which I wrote about [HERE](https://blog.stpub.com/epa-proposes-to-expand-regulation-of-two-perfluoro-forever-chemicals)). [Read More](https://blog.stpub.com/epa-designates-two-perfluoro-forever-chemicals-as-superfund-hazardous-substances) 0 Comments [Click here to read/write comments](https://blog.stpub.com/epa-designates-two-perfluoro-forever-chemicals-as-superfund-hazardous-substances#comments-listing) Tags: [Environmental risks](https://blog.stpub.com/topic/environmental-risks), [Environmental](https://blog.stpub.com/topic/environmental), [EPA](https://blog.stpub.com/topic/epa), [chemical safety](https://blog.stpub.com/topic/chemical-safety), [CERCLA](https://blog.stpub.com/topic/cercla), [Environment](https://blog.stpub.com/topic/environment), [PFAS](https://blog.stpub.com/topic/pfas), [PFOS](https://blog.stpub.com/topic/pfos) [All posts](https://blog.stpub.com/all) ### Follow Me ### Subscribe by Email ### Browse by Topic Area - [Accounting & Tax ](https://blog.stpub.com/topic/accounting-tax) - [Business & Legal ](https://blog.stpub.com/topic/business-legal) - [Corporate Governance  ](https://blog.stpub.com/../?Tag=Corporate+Governance) - [Environmental ](https://blog.stpub.com/../?Tag=Environmental) - [Global ](https://blog.stpub.com/../?Tag=Global) - [Health & Safety ](https://blog.stpub.com/topic/health-safety) - [Internet ](https://blog.stpub.com/../?Tag=Internet) - [Transportation ](https://blog.stpub.com/../?Tag=Transportation) ### Browse by Tag - [Environmental (344)](https://blog.stpub.com/topic/environmental) - [Business & Legal (309)](https://blog.stpub.com/topic/business-legal) - [Environmental risks (300)](https://blog.stpub.com/topic/environmental-risks) - [Health & Safety (296)](https://blog.stpub.com/topic/health-safety) - [EPA (283)](https://blog.stpub.com/topic/epa) - [Terms & Conditions](https://stphub.stpehs.com/wp-content/uploads/2021/01/STP-Terms-of-Use-Dec-20.pdf) - [Privacy Policy](https://stphub.stpehs.com/wp-content/uploads/2020/12/STP-Privacy-Policy.pdf) - [License Agreement](https://stphub.stpehs.com/wp-content/uploads/2021/01/STP-License-Agreement-Dec-20.pdf) - [Sitemap](http://stpub.com/sitemap) - [Support](http://stpub.com/support) © 2021 STP ComplianceEHS - All rights reserved