Documents supporting the Section 21 petition submitted by the Public Employees for Environmental Responsibility (PEER).You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
- Petition for Ban on Hydrofluoric Acid in Refineries (PDF)(18 pp, 270 K, August, 2019)
- Letter Acknowledging Receipt of Petition to Ban Hydrofluoric Acid (PDF)(1 pg, 68 K, August, 2019)
- Prepublication Version of the Federal Register Notice of EPA's Response to the Petition (PDF)(11 pp, 718 K)
- EPA Response to the Petition to Ban Hydrofluoric Acid (PDF)(1 pg, 237 K)