Document 6B9G89pbwyGMjmpV6GeL550Vo

Message From: Blanchard, Corey W [corey.w.blanchard@dupont.com] Sent: 3/31/2025 10:05:05 PM To: AirAction [AirAction@epa.gov] CC: Szabo, Aaron [Szabo.Aaron@epa.gov]; Tardif, Abigale (Aboie) [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 ] Subject: Presidential Exemption: [New Source Performance Standards for the SOCMI and National Emissions Standards for Hazardous Air Pollutants for the SOCMI and Group I & II Polymers and Resins] Dupont Specialty Products USA, LLC - Pontchartrain Site, Diamine Unit Attachments:DuPont Pontchartrain Site CAA 112i4 Extension Request 3-31- 2025. 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. Please see attached letter requesting a Presidential Exemption from the compliance obligations of the New Source Performance Standards for the Synthetic Organic Chemical Manufacturing Industry and National Emission Standards for Hazardous Air Pollutants (NESIIAP) for the Synthetic Organic Chemical Manufacturing Industry (SOCMI) and Group 1 & II Polymers and Resins Industry, under section 112(i)(4) of the Clean Air Act. Thanks Corey Blanchard Environmental Coordinator DuPont Pontchartrain Site 586 Highway 44 LaPlace, LA 70068 Office: 985-224-1661 This communication is for use by the intended recipient and contains information that may be Privileged, Sierra Club FOIA 2025-EPA-04883 ED_018388_00000204-00001 SC_EVERSPLIT0020666 confidential or copyrighted under applicable law. If you are not the intended recipient, you are hereby formally notiFicci that any use, copying or distribution of this ci-mail,in whole or in part, is strictly prohibited. Please notify the sender by return c-mail and delete this c-mail from your system. Unless explicitly and conspicuously designated as "E-Contract intended", this e-mail does not constitute a contract offer, a contract amendment, or an acceptance of a contract offer. This e-mail does not constitute a consent to the use of sender's contact information for direct marketing purposes or for transfers of data to third parties. Francais Deutsch Italiano Espanol Portugues Japanese Chinese Korean haps://www.dupont.com/cmail-disclaimer.html Sierra Club FOIA 2025-EPA-04883 ED_Ol 8388_00000204-00002 SC_EVERSPLIT0020667