Document qa8rv72Jjoj4wXQD0oxogmraq

Message From: Budnik, Robert (R) [rbudnik@trinseo.com] Sent: 3/31/2025 3:01:43 PM To: AirAction [AirAction@epa.gov] CC: Szabo, Aaron [Szabo.Aaron@epa.gov]; Tardif, Abigale (Abbie) [Tardif.Abigale@epa.gov]; Donahue, Sean [donahue.sean@epa.gov]; Dominguez, Alexander [dominguez.alexander@epa.gov]; Tsirigotis, Peter [Tsirigotis.Peter@epa.gov]; Lassiter, Penny [Lassiter. Penny@epa.gov]; Lessard, Patrick [Lessard. Patrick@epa.gov]; Bouchard, Andrew [Bouchard.Andrew@epa.gov]; Prentice, Diana (D) [dprentice@trinseo.com]; Fox, Garret (G) [gtfox@Trinseo.com]; Bennett, Danny (D) [dbennett@trinseo.com] Subject: HON Exemption Request, Trinseo LLC, 1604 Building, Barth Street, Midland, Michigan 48667, Permit No. MI-ROP-P1025-2021 Attachments:US EPA Presidential Exemption Letter 033125.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 To Whom It May Concern, Per the attached request letter, Trinseo LLC, Permit Number: MI-ROP-P1025-2021, urges the EPA and the Administration to grant Trinseo an exemption for its Midland facility from the compliance obligations of the HON Rule under CAA Section 112(i)(4). Regards, Robert Rudolf% (he/him/his) sponsibfe Care Leader, Midland, Michigan Operations 989-495-4768 1 989-657-3008 )udnik@a,trinseo.com Sierra Club FOIA 2025-EPA-04883 ED_018388_00000014-00001 SC_EVERSPLIT0005213