Sincerely, PARVEZ PARVEZ MALLICK Digitally signed by MALLICK 11:49:52 -04'00' Date: 2020.04.28 Parvez Mallick Acting Chief Land, Asbestos and Lead Section Chemical Safety and Land Enforcement Branch Enclosure cc: Mark Burnette, NCDEQ (electronic copy, mark.burnette@ncdenr.gov) Jack Kitchen, NCDEQ (electronic copy, jack.kitchen@ncdenr.gov) Internet Address (URL) http://www.epa.gov

The level of annualized costs to comply with the MATS Final Rule may be cost prohibitive and lead to a premature retirement of Colstrip. 19 Sierra Club FOIA 2025-EPA-04883 ED_018388_00000309-00020 SC_EVERSPLIT0006183

., time, effort, and coordination) this year, leading to major construction activities beginning by Spring of 2025, all of which might prove unnecessary and unrecoverable if the MATS Final Rule is overturned on appeal. 52.

Because of the long lead times needed to build or acquire new electrical generation or transmission assets or negotiate power purchase contracts, NorthWestern, like other electric utilities, makes plans for our supply of electricity years in advance.

Preliminary information from a recent project initiated by Gujarat Fluorochemicals Limited (GFL), a leading Fluoropolymer manufacturer, and executed by the Karlsruhe Institute of Technology (KIT) in cooperation with Socit Gnrale de Surveillance (SGS) demonstrates clearly that Fluoropolymers are converted to Inorganic Fluorides and Carbon dioxide at standard incineration conditions.

A close partner of our broader network who leads a major energy start up (b) (4) is extremely excited about the work Secretary Wright is doing and would love an opportunity for some kind of touchpoint.

The owners will always have disparate positions about installing costly controls to comply with the MATS Final Rule, which likely will lead to further contention between the owners if Talen Montana, North Western, or others seek to install controls.

Over the last four years, the Biden Administration ruled by regulation, leading to higher energy costs across the board and less American-made energy.

Airlines for America' We Connect the World PRESS RELEASE Airlines for America Ad in Washington Post Highlights Need for Urgent ATC Investment WASHINGTON, May 21, 2025 -- Airlines for America (A4A), the trade association representing the leading U.S. passenger and cargo airlines, today placed a full-page advertisement in the Washington Post with an open letter to Congress signed by the CEOs of all nine A4A carrier members, in addition to Nick Calio, President & CEO of Airlines for America.

The MATS Final Rule requires Talen Montana and the Colstrip owners to make immediate decisions that will either lead to the installation of extremely costly pollution controls on Colstrip or a premature retirement.

Annicella Chief Land, Asbestos and Lead Section Chemical Safety and Land Enforcement Branch Enclosure cc: Ms.

Shales Environmental & Regulatory Team Lead - Permian Asset SWEPI LP 150 North Dairy Ashford Houston, Texas 77079 Sent via email to: lisa.tiesman@shell.com Re: SWEPI LP, Permian Basin Facility in Texas; Administrative Compliance Order on Consent, Docket No.

Luke leads external affairs and comms for the conservative clean energy group, ClearPath.

It also expressed concerns about the chemicals' export ban mentioned in the CSS, since it would not be justified and lead to a change of production sites from Europe elsewhere.

Message From: Sent: To: Subject: Petuya, Lauren [Petuya.Lauren@epa.gov] 3/20/2025 4:05:53 PM Noonan, Jenny [Noonan.Jenny@epa.gov] RE: Question from SPPD For a future conversation, leading questions from Korbin: "Main questions I have at this point are: 1 2 3 Ex. 5 Deliberative Process (DP) My understanding is they have until 3/31 to ask to turn around period wil l be quite quick" From: Noonan, Jenny <Noonan.Jenny@epa.gov> Sent: Thursday, March 20, 2025 11:16 AM To: Petuya, Lauren <Petuya.Lauren@epa.gov> Subject: RE: Question from SPPD Of course!