Document 2VZ1z8O4G61NLnJG2oJDeDEg

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. Ml-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, Trinsco I.I.C, Permit Number: MI-ROP-P1025-2021, urges the EPA and the Administration to grant Trinsco an exemption for its Midland facility from the compliance obligations of the HON Rule under CAA Section 1 12(i)(4). Re2ards, Robert Budnik (heihimihk) Responsible Care Leader, Midland. Michigan Operations + 1 989 -195 1763 + 1 989 657 3008 trin,co.com Sierra Club FOIA 2025-EPA-04883 ED_018388_00000014-00001 SC_EVERSPLIT0020515