Document e17r3eEG0G08zZnOnk022V5qm

PETE MAILING ADDRESS: PHYSICAL ADDRESS: IEN P.O. Box 440 RAPID CITY, SD 57709-0440 PH. 605-342-7224 3401 UNIVERSAL DR. RAPID CITY, SD 57702 Fx. 605-342-6979 g SONS, 'NC. March 26, 2025 Mr. William C. Herz Executive Director National Lime Association 200 North Glebe Road Suite 800 Arlington, Virginia 22203 Dear Bill, As Chief Operating Officer of Pete Lien & Sons, Inc., I hereby authorize the National Lime Association (NLA) to submit a request on our behalf for a two-year presidential exemption of our major source lime plants pursuant to Clean Air Act 112(i)(4) from the requirements of the final rule titled: "National Emission Standards l'or Hazardous Air Pollutants: Lime Manufactui Plants Technology Review" (89 FR 57738; July 16, 2024) (Lime Rule). Such exemption, if granted, would extend the compliance date from July 16, 2027 to July 16, 2029, while EPA reconsiders the Lime Rule. The facilities in this request include the following major source lime plants owned and controlled by Pete Lien & Sons, Inc.: Rapid City Lime Plant; 3615 Universal Drive, Rapid City, SD, 57702 Jonathon Lime Plant; 445 Jonathon Quarry Haul Road, Laramie, WY, 82072 The emissions standards subject to this exemption include hazardous air pollutant (HAP) standards for hydrogen chloride, mercury, organics, and dioxins & furans. NIA will provide the agency with additional information on why the technology to implement the standard is not available and why it is in the national security interests of the United States to grant the exemption. Sincerely, Brian Tideman Chief Operating Officer Pete Lien & Sons, Inc. 605-342-7224 Sierra Club FOIA 2025-EPA-04883 ED_0l 8388_00000249-00019 SC_EVERSPLIT0012709