Environmental Protection Agency (EPA).
Petition; reasons for Agency response.
This action announces the availability of the EPA's response to a petition received on February 11, 2025, from the Clean Air Council, Communities for a Better Environment, and Natural Resources Defense Council (petitioners). The petition requests that EPA establish a TSCA rule prohibiting the use of hydrogen fluoride (HF) in domestic oil refining to eliminate unreasonable risks to public health and the environment. After careful consideration, EPA has denied the TSCA petition for the reasons set forth in this notice.
EPA's response to this TSCA section 21 petition was signed May 9, 2025.
The docket for this TSCA section 21 petition, identified by docket identification (ID) number EPA-HQ-OPPT-2025-0102, is available online at https://www.regulations.gov. Additional instructions on visiting the docket, along with more information about dockets generally, is available at https://www.epa.gov/dockets.