Document b58zxx9Dw5BVaOqoMEVGDO6Ro

Troutman Pepper Hamilton Sanders LLP Troutman Pepper Building, 1001 Haxall Point, 15th Floor Richmond, VA 23219 troutman.com Brooks M. Smith brooks.smithtroutman.com tro try p pepp July 1, 2024 VIA CERTIFIED MAIL AND E-MAIL The Honorable Michael S. Regan Administrator U.S. Environmental Protection Agency 1200 Pennsylvania Avenue, N.W. Mail Code 1101A Washington, DC 20460 Re: Petition for Rulemaking to Reconsider Specific Provisions of the 2024 Coal Combustion Residual Rule Dear Administrator Regan: On behalf of Duke Energy Corporation, we respectfully submit the attached petition for a rulemaking narrowly focused on reconsideration of 40 C.F.R. 257.101(g)(4) of the final rule entitled Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals From Electric Utilities; Legacy CCR Surface Impoundments, 89 Fed. Reg. 38950 (May 8, 2024). We look forward to EPA's consideration and response to our petition. Best regards, Brooks M. Smith cc: Andy Crossland Michael Kafka, Esq. Sierra Club FOIA Request: 2025-EPA-04193 ED_018475D_00002943-00001 SC_FOIA_0000572