United States Government Publishing Office publisher pbl distributor dst United States National Archives and Records Administration Office of the Federal Register author aut Government Organization text government publication eng FR Regulatory Information 2026_register executive 2026-04-24 article Notices D09002ee1e0ccd8cf D09002ee1e0cce148 United States Environmental Protection Agency originator org United States Government Agency or Subagency The Environmental Protection Agency (EPA) is responding to a rulemaking petition from the Center for Biological Diversity (CBD) and People for Protecting Peace River, on behalf of a consortium of non- profit groups. The EPA has been petitioned to promulgate rules that reverse the EPA 1991 Bevill regulatory determination excluding phosphogypsum and phosphoric acid production process wastewater from Resource Conservation and Recovery Act (RCRA) Subtitle C hazardous waste regulations; and govern the safe treatment, storage and disposal of phosphogypsum and process wastewater as hazardous wastes under RCRA Subtitle C. After careful consideration, the EPA is proposing to deny the petition for the reasons discussed in this document. The EPA is also soliciting public comment on this proposed denial. 91 FR 22149 https://www.govinfo.gov/app/details/FR-2026-04-24/2026-08097 2026-08097 fr24ap26-76 6560-50-P EPA-HQ-OLEM-2026-0232 FRL-12771-01-OLEM https://www.govinfo.gov/app/details/FR-2026-04-24/2026-08097 https://www.govinfo.gov/content/pkg/FR-2026-04-24/html/2026-08097.htm https://www.govinfo.gov/content/pkg/FR-2026-04-24/pdf/2026-08097.pdf 6 p. 22149 22154 91 FR 22149 Response to Petition To Change Regulation of Phosphogypsum Under RCRA; Federal Register Vol. 91, Issue NOTICE 2026-08097 ENVIRONMENTAL PROTECTION AGENCY 2026-05-26 EPA-HQ-OLEM-2026-0232 FRL-12771-01-OLEM 6560-50-P 2026-08097 Petition response.

The Environmental Protection Agency (EPA) is responding to a rulemaking petition from the Center for Biological Diversity (CBD) and People for Protecting Peace River, on behalf of a consortium of non- profit groups. The EPA has been petitioned to promulgate rules that reverse the EPA 1991 Bevill regulatory determination excluding phosphogypsum and phosphoric acid production process wastewater from Resource Conservation and Recovery Act (RCRA) Subtitle C hazardous waste regulations; and govern the safe treatment, storage and disposal of phosphogypsum and process wastewater as hazardous wastes under RCRA Subtitle C. After careful consideration, the EPA is proposing to deny the petition for the reasons discussed in this document. The EPA is also soliciting public comment on this proposed denial.

Comments must be received on or before May 26, 2026. Meridith Fry, Waste Identification, Notice, and Generators Division, Office of Resource Conservation and Recovery, Mail code: (5304T), Environmental Protection Agency, 1200 Pennsylvania Avenue NW, Washington, DC 20460; telephone number: (202) Response to Petition to Change Regulation of Phosphogypsum under Resource Conservation and Recovery Act, fry.meridith@epa.gov https://www.epa.gov/dockets/commenting-epa-dockets https://www.regulations.gov https://www.regulations.gov/ Vol. 91, no. 79 Office of the Federal Register, National Archives and Records Administration 2026-04-24 continuing daily deposited born digital 502 p. Table of Contents: AE 2.7: GS 4.107: AE 2.106: KF70.A2 https://www.govinfo.gov/app/details/FR-2026-04-24 P0b002ee1e0ccc497 0097-6326 0042-1219 0364-1406 769-004-00000-9 000582072 f:fr24ap26 https://www.govinfo.gov/app/details/FR-2026-04-24 https://www.govinfo.gov/content/pkg/FR-2026-04-24/pdf/FR-2026-04-24.pdf https://www.govinfo.gov/content/pkg/FR-2026-04-24/xml/FR-2026-04-24.xml fdlp 21937 22429 DGPO 2026-04-24 2026-04-24 FR-2026-04-24 machine generated eng FR FR-2026-04-24 91 79