From: Vodopivec, Cynthia [Cynthia.Vodopivec@vistracorp.com] ent: 3/31/2025 9:23:01PM o: AirAction [AirAction@epa.gov] CC: Mitchell, David [David.Mitchell@vistracorp.com]; Collins, Renee [Renee.Collins@luminant.com] object: Presidential Exemption: MATS RTR: Martin Lake Station ttachments:Martin Lake MATS RTR Presidential Exemption letter (3-31-25).pdf Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links.

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0 LO TT E CHEMICAL Lotte Chemical Louisiana LLC Westlake, LA CERTIFIED MA11.

the labs to prepare for all the increased samplings and testings.

U.S.

ATTACHMENT B Sierra Club FOIA 2025-EPA-04883 ED_018388_00000141-00017 SC_EVERSPLIT0005872

'tinned :7Statcs WASHINGTON.

INDORAMA ,, L1 ,, s Inciorama Ventures -- Indovinya PO Box 847 I 2701 Spur 136 Port Neches, TX 77651 USA http.ilindovinya.incloramaventures.com Wastewater in Ethylene Oxide Service u 40 CFR 63.101 (definition of "in ethylene oxide service") c 40 CFR 63.104(k) Monitoring of Equipment in Ethylene Oxide Service 40 CFR 63.119(a)(7) 40 CFR 63.168(b)(2)(iv) and (d)(5) 40 CFR 63.174 Fenceline Monitoring 40 CFR 63.184 Elimination of Delay of Repair 40 CFR 63.104(g)(6) and (h)(6) 40 CFR 63.174(a)(3), (b)(3)(vi), and (g)(3) 40 CFR 63.171(f) c 40 CFR 63.168(b)(2)(iv) and (d)(5) 40 CFR 63.163(a)(1)(iii), (b)(2)(iv), (c)(4), and (e)(7) Elimination of THE 40 CFR 63.113(a)(4) Facility(ies) and/or affected source(s) The affected facility is: Indorama Ventures Oxides LLC 6001 Highway 366 RN100219252 This facility is subject to Title V Permit number 1320; Title V Permit 0-2287; Title V Permit 0-2288; Title V Permit 0-3056; New Source Review ("NSR") Permit 106169; NSR Permit 29516; NSR Permit 5952A; NSR Permit 5972A; NSR Permit 5807A; NSR Permit 36646; and NSR Permit 20160, issued by the Texas Commission on Environmental Quality Length of compliance period being requested.

iNDORAMA VENTURES Indorama Ventures -- Indovinya PO Box 847 2701 Spur 136 Port Neches, TX 77651 USA http://indovinya.indoramaventures.com laboratory minimum quantification and detection limits, and delays in receiving analytical results.

Conclusion For the foregoing reasons 1.PC respectfully requests a two-year Presidential Ixemption from compliance with tir MATS Rule for the lilensburg Power Company. / Aa,e, At/ __ Mar Cra.wford Environmental Mffliger Sierra Club FOIA 2025-EPA-04883 ED_018388_00000269-00004 SC_EVERSPLIT0006070

r TALEN ell MONTANA The statute places guardrails on EPA's discretion to revise the existing standards.

USCA Case #24-1190 Document #2062093 Filed: 06/27/2024 Page 7 of 123 12.

Minnkota Power COOPERATIVE A Tolic-list(me Ener*' Cooperative jrt,R Minnkota Power Cooperative, Inc.