Document LpojQxGZVLq6xQ5eqwvQZZELQ

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Message From: Sent: To: Subject: AirAction [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBO HF23SPDLT)/CN=RECIPIENTS/CN =FA78B98923384078995E04A73D258D83-AlRACTION] 4/1/2025 1:06:29 PM McCain, Paula [pmccain@westlake.com] RE: HON Section 112(j)(4) request Thank you for emailing the AirAction mailbox to request a Presidential Exemption under section 1 12(i)(4) of the Clean Air Act and for engaging with EPA in advancing President Trump's Executive Orders and Powering the Great American Comeback. We have received your email and will be in contact soon. If you have Confidential Business Information (CBI) that you'd like to submit, please submit it in electronic version to the CBI(r;epa.gov inbox or in hardcopy to: USEPA, OAQPS CORE CBI Office 4930 Old Page Road Durham, SIC 27703 From: McCain, Paula <pmccain@westlake.com> Sent: Monday, March 31, 2025 4:01 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>; Tsirigotis, Peter <Tsirigotis.Peter@epa.gov>; Lassiter, Penny <Lassiter.Penny@epa.gov>; Lessard, Patrick <Lessard.Patrick@epa.gov>; Bouchard, Andrew <Bouchard.Andrew@epa.gov>; Honeycutt, Todd <thoneycutt@westlake.com>; Oubre, Chaz <coubre@westlake.com>; Brescher, Curtis <cbrescher@westlake.com>; McCain, Paula <pmccain@westlake.com>; Rmoring@westlake.com; Folse, Nathan <nfolse@westlake.com>; Sheridan, Kevin <ksheridan@westlake.com> Subject: HON Section 112(j)(4) request Caution: This cmail origir.atcd from outsidc hi'f1, plcasc cxcrcisc adcl.itior.al caution v,-ncn cl.ccirl.ing v,-nctncr to opcn attacntncr.ts or click on provicl.cd links. To whom it may concern -- Please see attached, a request for Presidential Exemption for Westlake Chemicals & Vinyls LLC's HON-covered facility at 1600 VCM Plant Road, Westlake, Louisiana 70669, as requested by U.S. EPA of the regulated community. As explained in greater detail in the attached letter, Westlake is seeking a Presidential Exemption under the 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 I & II Polymers and Resins. See 89 FR 42932; May 16, 2024 (HON rule). As Westlake's evaluation of the requirements under the HON rule progresses and we continue to develop our compliance plans, Westlake may have additional detail or more concrete information related to the technical challenges, time required and costs for coming into compliance with the HON rule. Some of that more detailed information may include confidential business information which Westlake would be willing to provide under the appropriate protections for such competitive and trade secret information. Please contact Paula McCain at pmccain@westlake.com or 337-7084688 should EPA or the President require more detailed information about specific impacts to Westlake's Lake Charles North Facility. Thank you for the timely consideration of this request. Sierra Club FOIA 2025-EPA-04883 ED_018388_00005517-00001 SC_EVERSPLIT0020770 Respectfully, 1 1/.54,wt R..:anar,er - n.vounr-ent.-il pmccain@westlake.com P:337 708.4688 C.:337 309 5914 Sierra Club FOIA 2025-EPA-04883 ED_018388_00005517-00002 SC_EVERSPLIT0020771