Document 2R4BG9gDgrajdEEwKQYrOd1gL

Message From: Holmstead, Jeff [jeff.holmstead@bracewell.com] Sent: 3/31/2025 8:59:59 PM To: AirAction [AirAction@epa.gov] CC: Akira Tajima (akira- tajima@denka-pe.com) [akira- tajima@denka-pe.com]; Akihiko Kusaka (Akihiko-Kusaka@denka- pe.com) [Akihiko- Kusaka@denka-pe.com ] Subject: Presidential Exemption: HON Rule: Denka Performance Elastomer LLC's Neoprene Production Facility in LaPlace, Louisiana Attachments:Letter - DPE Presidential Exemption Request.pdf; 271 - Exhibit 11 . Chris Meyers Declaration in Support of Extension Request July 26, 2024.pdf; SIGNED Chris Meyers Supplemental Declaration - ISE(10627812.1).pdf Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links. Flag: Follow up Attached are (1) a signed letter with the same text shown below and (2) two signed declarations referred to in the letter (which were prepared for earlier proceedings regarding the HON Rule) explaining the time needed for Denka Performance Elastomer's Neoprene Production Facility to come into compliance with the HON Rule. March 31, 2025 By E-mail airaction@epa.gov U.S. Environmental Protection Agency 1200 Pennsylvania Avenue NW Washington, DC 20004 Subject: Presidential Exemption: New Source Performance Standards for the Synthetic Organic Chemical Manufacturing Industry and National Emission Standards for Hazardous Air Pollutants for the Synthetic Organic Chemical Manufacturing Industry and Group 1 & 11 Polymers and Resins (HON Rule): Denka Performance Elastomer LLC's Neoprene Production Facility in LaPlace, Louisiana Sierra Club FOIA 2025-EPA-04883 ED_018388_00000136-00001 SC_EVERSPLIT0005827