Emergency Application — Westmoreland Mining Holdings LLC, et al., Applicants v. Environmental Protection Agency, et al.

Supreme Court briefAug 16, 2024

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No. _______

In the Supreme Court of the United States

WESTMORELAND MINING HOLDINGS LLC, WESTMORELAND MINING LLC, and

WESTMORELAND ROSEBUD MINING LLC,

Applicants,

v.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

and MICHAEL S. REGAN, Administrator of the

United States Environmental Protection Agency,

Respondents.

EMERGENCY APPLICATION

FOR IMMEDIATE STAY OF FINAL AGENCY ACTION

PENDING DISPOSITION OF PETITION FOR REVIEW

DIRECTED TO THE HONORABLE JOHN G. ROBERTS, JR

CHIEF JUSTICE OF THE SUPREME COURT OF THE UNITED STATES

AND CIRCUIT JUSTICE FOR THE DISTRICT OF COLUMBIA CIRCUIT

MARTIN T. BOOHER

JOSHUA T. WILSON

BAKER & HOSTETLER LLP

2000 Key Tower

127 Public Square

Cleveland, Ohio 44114

MARK W. DELAQUIL

ANDREW M. GROSSMAN

BAKER & HOSTETLER LLP

Suite 1100

1050 Connecticut Avenue, NW

Washington, D.C. 20036

(202) 861-1500

Counsel for Applicants Westmoreland Mining Holdings LLC,

Westmoreland Mining LLC, and Westmoreland Rosebud Mining LLC

PARTIES TO THE PROCEEDING

Applicants in this Court and Petitioners in the D.C. Circuit are Westmoreland

Mining Holdings, LLC, Westmoreland Mining LLC, and Westmoreland Rosebud

Mining LLC.

Respondents in this Court and Respondents in the D.C. Circuit are the United

States Environmental Protection Agency and Michael S. Regan, Administrator,

United States Environmental Protection Agency.

Respondents in this Court and Petitioners in the D.C. Circuit Consolidated

Cases are, by court of appeals case number, as follows:

24-1119: State of North Dakota, State of West Virginia, State of Alaska, State

of Arkansas, State of Georgia, State of Idaho, State of Indiana, State of Iowa, State

of Kansas, Commonwealth of Kentucky, State of Louisiana, State of Mississippi,

State of Missouri State of Montana, State of Nebraska, State of Oklahoma, State of

South Carolina, State of South Dakota, State of Tennessee, State of Texas, State of

Utah, Commonwealth of Virginia, State of Wyoming

24-1154: NACCO Natural Resources Corporation

24-1179: National Rural Electric Cooperative Association, Lignite Energy

Council, National Mining Association, Minnkota Power Cooperative, Inc., East

Kentucky Power Cooperative, Inc., Associated Electric Cooperative Inc., Basin

Electric Power Cooperative, Rainbow Energy Center, LLC

24-1184: Oak Grove Management Company, LLC, Luminant Generation

Company LLC

24-1190: Talen Montana, LLC

i

24-1194: Westmoreland Mining Holdings LLC, Westmoreland Mining LLC,

Westmoreland Rosebud Mining LLC

24-1201: America’s Power

24-1217: NorthWestern Corporation and Electric Generators MATS Coalition

(Salt River Project Agricultural Improvement and Power District, Talen Energy

Supply, LLC, and NorthWestern Energy Public Services Corporation)

24-1223: Midwest Ozone Group

Intervenor for Petitioners in the D.C. Circuit is San Miguel Electric

Cooperative, Inc.

Intervenors for Respondents in the D.C. Circuit are Air Alliance Houston,

Alliance of Nurses for Healthy Environments, American Academy of Pediatrics,

American Lung Association, American Public Health Association, Chesapeake

Climate Action Network, Citizens for Pennsylvania's Future, Clean Air Council,

Clean Wisconsin, Downwinders at Risk, Environmental Defense Fund,

Environmental Integrity Project, Montana Environmental Information Center,

Natural Resources Council of Maine, Natural Resources Defense Council, Ohio

Environmental Council, Physicians for Social Responsibility, Sierra Club,

Commonwealth of Massachusetts, State of Minnesota, State of Connecticut, State of

Illinois, State of Maine, State of Maryland, State of Michigan, State of New Jersey,

State of New York, State of Oregon, Commonwealth of Pennsylvania, State of

Rhode Island, State of Vermont, State of Wisconsin, District of Columbia, City of

Baltimore, City of Chicago, and City of New York.

ii

RELATED PROCEEDINGS

This application arises from an August 6, 2024 order from the D.C. Circuit

Court of Appeals denying motions to stay filed in nine consolidated cases:

State of North Dakota v. EPA, No. 24-1119 (D.C. Cir.) (main docket)

NACCO Natural Resources Corporation v. EPA, No. 24-1154 (D.C. Cir.)

National Rural Electric Cooperative Association v. EPA, No. 24-1179 (D.C.

Cir.)

Oak Grove Management Company, LLC and Luminant Generation Company

LLC v. EPA, No. 24-1184 (D.C. Cir.)

Talen Montana, LLC v. EPA, No. 24-1190 (D.C. Cir.)

America’s Power and Electric Generators MATS Coalition v. EPA, No. 241201 (D.C. Cir.)

NorthWestern Corporation v. EPA, No. 24-1217 (D.C. Cir.)

Westmoreland Mining Holdings LLC v. EPA, No. 24-1194 (D.C. Cir.)

Midwest Ozone Group v. EPA, No. 24-1223 (D.C. Cir.)

iii

CORPORATE DISCLOSURE STATEMENTS

Pursuant to Rule 29.6, Applicants Westmoreland Mining Holdings LLC,

Westmoreland Mining LLC, and Westmoreland Rosebud Mining LLC state as

follows:

Westmoreland Mining Holdings LLC has no parent corporation and no

publicly held corporations own 10% or more of its stock. The company has an

extensive portfolio of coal mining operations in the United States and Canada.

Westmoreland Mining LLC has no parent corporation and no publicly held

corporations own 10% or more of its stock. The company has an extensive portfolio

of coal mining operations in the United States and Canada.

Westmoreland Rosebud Mining LLC has no parent corporation and no

publicly held corporations own 10% or more of its stock. The company has an

extensive portfolio of coal mining operations in the United States and Canada.

iv

TABLE OF CONTENTS

Page

PARTIES TO THE PROCEEDING ............................................................................... i

RELATED PROCEEDINGS......................................................................................... iii

CORPORATE DISCLOSURE STATEMENTS ............................................................ iv

TABLE OF CONTENTS ................................................................................................ v

TABLE OF AUTHORITIES ......................................................................................... vi

INDEX OF APPENDICES ............................................................................................ x

INTRODUCTION .......................................................................................................... 1

OPINION BELOW......................................................................................................... 4

JURISDICTION............................................................................................................. 4

STATUTORY PROVISIONS INVOLVED .................................................................... 5

STATEMENT ................................................................................................................. 5

REASONS FOR GRANTING THE APPLICATION .................................................. 11

I.

Applicants Are Likely To Prevail on the Merits ....................................................12

A.

It Was Not “Necessary” For EPA To Revise MATS ................................12

B.

The Rule is Not Based on Any Valid Development Under CAA

112(d)(6) ....................................................................................................27

II.

The Rule Will Cause Substantial Irreparable Harm ..............................................29

III.

The Balance of the Equities and the Public Interest Favor a Stay .........................30

CONCLUSION............................................................................................................. 32

v

TABLE OF AUTHORITIES

Page(s)

CASES

Alcresta Therapeutics, Inc. v. Azar,

755 Fed. Appx. 1 (D.C. Cir. 2018) .................................................................... 29

Association of Battery Recyclers v. EPA,

716 F.3d 667 (D.C. Cir. 2013). ................................................................... 16, 22

Crowe & Dunlevy, P.C. v. Stidham,

640 F.3d 1140 (10th Cir. 2011) ......................................................................... 29

Dep’t of Commerce v. New York,

588 U.S. 752 (2019) ............................................................................................. 3

FCC v. Fox TV Stations, Inc.,

556 U.S. 502 (2009) .................................................................................... 22, 24

Indus. Union Dep’t, AFL-CIO v. Am. Petrol. Inst.,

448 U.S. 607 (1980). ......................................................................................... 17

Loper Bright Enterprises v. Raimondo,

603 U.S. __, 144 S. Ct. 2244 (2024). ................................................................. 12

McCulloch v. Maryland,

17 U.S. 316 (1819) ............................................................................................ 13

Michigan v. EPA,

576 U.S. 743 (2015) ...................................................................... 2, 5, 20, 22, 25

Motor Vehicle Mfrs. Assn. of United States, Inc.

v. State Farm Mut. Automobile Ins. Co.,

463 U.S. 29 (1983) ................................................................................. 18-19, 25

Ohio v. EPA,

603 U.S. __, 144 S.Ct. 2040 (2024) ...................................................... 11, 12, 30

Portland Cement Association v. EPA,

665 F.3d 177 (D.C. Cir 2011) ........................................................................... 25

Thunder Basin Coal Co. v. Reich,

510 U.S. 200 (1994) ........................................................................................... 30

vi

Train v. Natural Resources Def. Council,

421 U.S. 60 (1975) ............................................................................................ 15

United States v. Menasche,

348 U. S. 528 (1955) ......................................................................................... 12

STATUTES AND RULES

Clean Air Act

42 U.S. Code § 7412 ................................................ 5-6, 12-17, 19, 21-22, 26-29

42 U.S. Code § 7607 ............................................................................................ 4

Administrative Procedure Act

5 U.S.C. §705 ....................................................................................................... 4

All Writs Act

28 U.S.C. §1651(a) .............................................................................................. 4

28 U.S.C. §1254(1) ........................................................................................................ 4

RULES AND REGULATIONS

65 Fed. Reg. 79825 (Dec. 20, 2000) ............................................................................. 5

70 Fed. Reg. 15994 (Mar. 29, 2005) ............................................................................. 5

71 Fed. Reg. 76603 (Dec. 21, 2006) ........................................................................... 14

76 Fed. Reg. 24976 (May 3, 2011) ............................................................................... 6

76 Fed. Reg. 52738 (Aug 23, 2011) ....................................................................... 23-24

77 Fed. Reg. 9304 (Feb. 16, 2012) ..................................................................... 5, 6, 19

77 Fed. Reg. 49490 (Aug. 16, 2012) ...................................................................... 23-24

77 Fed. Reg. 58220 (Sept. 19, 2012) ..................................................................... 23-24

78 Fed. Reg. 10006 (Feb. 12, 2013) ........................................................................... 23

80 Fed. Reg. 14248 (March 18, 2015) ................................................................... 23-24

80 Fed. Reg. 37366 (June 30, 2015) ..................................................................... 23-24

80 Fed. Reg. 50386 (Aug. 19, 2015). .......................................................................... 24

80 Fed. Reg. 75178 (Dec. 1, 2015) ............................................................................. 23

vii

81 Fed. Reg. 24420 (Apr. 25, 2016) ............................................................................. 5

84 Fed. Reg. 2670 (Feb. 7, 2019) ............................................................................... 27

85 Fed. Reg. 31286 (May 22, 2020) .............................................................. 5, 6, 19-20

85 Fed. Reg. 42074 (July 13, 2020) ........................................................................... 23

85 Fed. Reg. 45476 (July 28, 2020) ........................................................................... 23

86 Fed. Reg. 7037 (Jan. 25, 2021) ............................................................................... 7

87 Fed. Reg. 1616 (Jan. 11, 2022) ........................................................................ 23-24

87 Fed. Reg. 27002 (May 6, 2022) ........................................................................ 23-24

88 Fed. Reg. 11556 (Feb. 23, 2023) ........................................................................... 23

88 Fed. Reg. 13956 (Mar. 6, 2023) .............................................................................. 5

88 Fed. Reg. 33240 (May 23, 2023) ...................................................................... 24-25

88 Fed. Reg. 24854 (Apr. 24, 2023) ............................................................................. 7

89 Fed. Reg. 38508 (May 7, 2024)

(the “Rule”) .......................................... 1, 4-6, 8, 15-17, 19, 22, 24-25, 27-28, 30

OTHER AUTHORITIES

2024 Update to the 2023 Proposed Technology Review

for the Coal- and Oil-Fired EGU Source Category

EPA-HQ-OAR-2018-0794-6919, Attachment 1 .................. 6, 8, 9, 10, 17, 18, 23

National Mining Association Comments

EPA-HQ-OAR-2009-0234-20531, Appendix F ............................................... 1, 6

Northwestern Energy Comments

EPA-HQ-OAR-2018-0794-5980, Appendix E ................................................... 10

Residual Risk Assessment for the Coal- and Oil-Fired

EGU Source Category in Support of the 2020

Risk and Technology Review Final Rule,

EPA-HQ-OAR-2018-0794-4553 ....................................................................... 21

Summary of Public Comments and Responses on Proposed Rule,

EPA-HQ-OAR-2018-0794-6922 (Apr. 2024) .................................................... 16

viii

Talen Montana Comments

EPA-HQ-OAR-2018-0794-5987, Appendix G .................................. 10-11, 23, 26

Westmoreland Mining Holdings LLC Comments

EPA-HQ-OAR-2018-0794-5935, Appendix D ............................... 8, 9, 18, 22, 26

ix

INDEX OF APPENDICES

Appendix A: Order of the United States Court of Appeals for the District of

Columbia Circuit Denying Motions for Stay (Aug. 6, 2024)

Appendix B: 42 U.S.C. § 7412

Appendix C: National Emission Standards for Hazardous Air Pollutants:

Coal- and Oil-Fired Electric Utility Steam Generating Units

Review of the Residual Risk and Technology Review, 89 Fed.

Reg. 38508 (May 7, 2024)

Appendix D: Comments of Westmoreland Mining Holdings LLC, EPA-HQOAR-2018-0794-5935

Appendix E: Comments of Northwestern Energy, EPA-HQ-OAR-2018-07945980

Appendix F: Comments of National Mining Association, EPA-HQ-OAR2009-0234-20531

Appendix G: Comments of Talen Montana, EPA-HQ-OAR-2018-0794-5987

Appendix H: Declarations:

Exhibit 1 – Declaration of Patrick Barkey

Exhibit 2 – Declaration of Jeremy Cottrell

x

TO THE HONORABLE JOHN G. ROBERTS, JR., CHIEF JUSTICE OF THE

SUPREME COURT OF THE UNITED STATES AND CIRCUIT JUSTICE FOR THE

DISTRICT OF COLUMBIA CIRCUIT:

Applicants Westmoreland Mining Holdings LLC, Westmoreland Mining LLC,

and Westmoreland Rosebud Mining LLC (collectively “Westmoreland”) respectfully

request an immediate stay of the final rule of the United States Environmental

Protection Agency (“EPA”) entitled “National Emission Standards for Hazardous

Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units Review

of the Residual Risk and Technology Review,” 89 Fed. Reg. 38508 (May 7, 2024) (the

“Rule”).

Westmoreland has a petition for review of the Rule pending in the United

States Court of Appeals for the District of Columbia Circuit and, due to the

immediate harm from the Rule, moved that court for a stay pending its review. That

court denied Applicants’ motion for a stay, forcing Applicants to seek relief from this

Court.

INTRODUCTION

Twelve years ago, EPA released the Mercury and Air Toxics Standards

(“MATS”) for coal-fired power plants, imposing billions in costs to achieve at most

$6 million in benefits from reducing hazardous emissions. This Court ultimately

found that EPA’s decision to ignore the massive costs of MATS was arbitrary and

capricious, but the D.C. Circuit’s failure to stay MATS required companies to make

compliance decisions before judicial review was complete, contributing to the

retirement of nearly 20% of the coal-fired fleet. See Nat’l Min. Ass’n Cmt. at 2 & n.4,

EPA-HQ-OAR-2009-0234-20531, App. 252. Then-EPA Administrator McCarthy

1

boasted that this Court’s decision never mattered absent a stay: “[W]e think we’re

going to win …. But even if we don’t, it was three years ago. Most of them are

already in compliance, investments have been made, and we’ll catch up.”1

History repeats itself. Apparently unsatisfied with MATS’s decimation of the

coal-fired fleet, EPA’s new Rule ratchets down emission limits an additional 70%,

with a short timeline for compliance. Despite this Court’s admonition the last time

around that “[o]ne would not say that it is even rational . . . to impose billions of

dollars in economic costs in return for a few dollars in health or environmental

benefits,” Michigan v. EPA, 576 U.S. 743, 752 (2015), EPA’s monetized cost-benefit

analysis acknowledges that the Rule is a net negative for society, to the tune of

hundreds of millions of dollars. In fact, the Rule is the single least cost-effective

rule ever promulgated by EPA in the absence of actual hazards to human health or

statutory obligation. And EPA candidly acknowledges that the Rule incurs these

massive costs where plants’ emissions of hazardous air pollutants, the Rule’s

putative target, present no risk to public health.

But the Clean Air Act does not give EPA carte blanche to sock it to a

disfavored industry. The Act’s text authorizes EPA to tighten hazardous-emission

standards only when “necessary” in light of “developments in practices, processes,

1 Timothy Cama and Lydia Wheeler, Supreme Court Overturns Landmark EPA Air

Pollution Rule, THE HILL (June 29, 2015), available at

https://thehill.com/policy/energy-environment/246423-supreme-court-overturns-epaair-pollution-rule/. EPA repeated this view after this Court’s decision. See EPA

Connect, Official Blog of the EPA Leadership (June 30, 2015),

https://web.archive.org/web/20210507092353/https://blog.epa.gov/2015/06/30/inperspective-the-supreme-courts-mercury-and-air-toxics-rule-decision/.

2

and control technologies.” Yet the Rule rests on two purported “developments” that

are entirely unrelated, much less “necessary,” to advancing the statute’s goal of

eliminating the risk to public health from hazardous emissions. EPA does not

contend otherwise, instead reasoning that the Act empowers it to impose any

improvement in control technologies on sources, irrespective of necessity—a position

at odds with the Act’s plain text restricting the agency’s power to do just that.

Ultimately, the only goal that the Rule advances is EPA’s longstanding

objective to push the remaining coal-fired plants into retirement. It is no

coincidence that, on the same day that EPA issued the Rule, it also released three

other rules—new greenhouse gas standards, effluent guidelines, and coal

combustion residual standards—all targeting the same facilities.2 Given that

context and EPA’s own one-sided accounting of the Rule’s heavy costs and meagre

benefits, the contrivance of the agency’s approach is obvious, and this Court should

not “exhibit a naiveté from which ordinary citizens are free.” Dep’t of Commerce v.

New York, 588 U.S. 752, 785 (2019).

EPA predicts that almost half the compliance costs of the Rule will fall on a

single facility, the Colstrip Power Plant, for which Westmoreland is the sole minemouth coal supplier. Outside the Beltway, there are real consequences to EPA’s

actions. At best, Colstrip’s owners will be forced to incur hundreds of millions of

dollars of nonrecoverable compliance costs in the immediate future. But it is just as

2 Three weeks later, the Administration proposed to ban future coal leases, and

even withdraw pending leases, in the entire Powder River Basin, which produces

about one-third of U.S. coal.

3

likely that Colstrip will close, devastating the prosperous local community,

imperiling the jobs of thousands of Montanans, eliminating hundreds of millions in

income to Montana households, and striking over a billion dollars in gross output

over the coming years. By contrast, EPA’s own analysis of the Rule’s compliance

costs and putative benefits indicates that a stay—unlike the Rule—would be in the

public interest.

EPA will surely say it is unusual for the Court to consider this stay

application while applications to stay EPA’s new greenhouse gas standards are also

pending. But EPA, not Westmoreland or any other applicant, set all these events

into motion by promulgating both rules on the same day, seeking to evade

consideration of its actions under the Congressional Review Act by a new Congress

and administration. For these reasons and those discussed below, the Court should

stay the Rule.

OPINION BELOW

The D.C. Circuit’s order denying Applicant’s motion for a stay is unpublished,

but reproduced at Appendix A. The Rule is published at 89 Fed. Reg. 38508 (May 7,

2024).

JURISDICTION

This Court has jurisdiction over this stay application under 28 U.S.C.

§1254(1), and has authority to grant Applicant relief under the Clean Air Act, 42

U.S.C. §7607; the Administrative Procedure Act, 5 U.S.C. §705; and the All Writs

Act, 28 U.S.C. §1651(a).

4

STATUTORY PROVISIONS INVOLVED

Section 112 of the Clean Air Act is reproduced at Appendix B.

STATEMENT

1.

Under Clean Air Act § 112, 42 U.S.C. § 7412, EPA regulates so-called

hazardous air pollutants, or HAPs, on a source category basis. Power plants have a

unique status under Section 112, with Congress initially exempting them from the

program, directing the Administrator to conduct multiple studies, and authorizing

regulation only if the Administrator deemed it to be “appropriate and necessary.”

CAA § 112(n), 42 U.S.C. § 7412(n). EPA spent twenty-five years vacillating on the

question of whether regulation of power plants is appropriate and necessary at all.

See 65 Fed. Reg. 79825 (Dec. 20, 2000) (yes);70 Fed. Reg. 15994 (Mar. 29, 2005) (no);

77 Fed. Reg. 9304 (Feb. 16, 2012) (yes); 81 Fed. Reg. 24420 (Apr. 25, 2016) (yes); 85

Fed. Reg. 31286 (May 22, 2020) (no); 88 Fed. Reg. 13956 (Mar. 6, 2023) (yes).

2.

EPA promulgated MATS in 2012, 77 Fed. Reg. 9304 (Feb. 16, 2012),

along with a salvo of other rules targeting coal-fired power plants—early shots in

what soon became known as the “War on Coal.” Befitting the Agency’s inability to

resolve whether any regulation of power plants under Section 112 was “appropriate

and necessary,” MATS imposed “nearly $10 billion a year” in costs for “$4 to $6

million per year” in benefits from reductions in HAPs. Michigan, 576 U.S. at 749-50.

Notwithstanding MATS’s nominal focus on mercury, U.S. power plants were

responsible for only a miniscule portion of total mercury emissions, such that even

eliminating those plants’ emissions achieved no meaningful benefit. See 76 Fed.

Reg. 24976, 25001-02, 25073 tbl. 21 (May 3, 2011).

5

In fact, it was not HAPs at all that drove MATS’s excessive costs (or putative

benefits). Most of the multi-billion annual compliance costs were related to MATS’s

filterable particulate matter (“fPM”) emission limit of 0.030 lb/MMBtu. Filterable

particulate matter is not itself a hazardous air pollutant, but a surrogate used by

EPA in lieu of establishing separate standards for multiple different metal HAP

emissions that share common characteristics and are controlled in a similar

manner. (Indeed, nearly all the particulate matter caught by filters is not HAP

emissions at all.)3 This emission limit was a so-called “MACT” limit, based on the

level of control of the maximum achievable control technology in the industry. For

particulate matter, that control technology was electrostatic precipitators (ESPs)

and fabric filters. 77 Fed. Reg. 9304, 9461 (Feb. 16, 2012).

As EPA’s leadership intended, MATS ravaged the coal-fired power plant fleet.

While EPA’s regulatory analysis claimed that only 4.7 GW of coal-fired units would

retire as a result of MATS, see 77 Fed. Reg. at 9407, that estimate was off by over

an order of magnitude: 60 GW of capacity retired in the Rule’s aftermath. See, e.g.,

Nat’l Min. Ass’n Cmt. at 2 & n.4, EPA-HQ-OAR-2009-0234-20531, App.252.

3.

In 2020, EPA completed its first review of MATS. Section 112(d)(6)

requires EPA to “review, and revise as necessary (taking into account developments

in practices, processes, and control technologies), emission standards promulgated

under” Section 112 every 8 years. And under Section 112(f), EPA considers whether

3 See EPA-HQ-OAR-2018-0794-6919, Attachment 1 (data in “Metal Ratios” tab

column “M” showing industry average ratio of only 0.0043 lb metal HAP to lb fPM).

6

existing standards eliminate unacceptable public health risks to nearby

communities. 85 Fed. Reg. 31286, 31295 (May 22, 2020). EPA determined that

there were no new developments in pollution control since MATS. Id. at 31298. It

also determined that MATS not only protects public health and prevents adverse

environmental effects, but does so with an ample margin of safety—which was

hardly a surprise given the negligible health benefits from MATS’s reductions in

HAP emissions. Id. at 31314. Accordingly, EPA finalized its review of MATS

without any revisions. Id.

4.

In January 2021, President Biden issued an Executive Order directing

EPA to consider rescinding EPA’s decision not to revise MATS. 86 Fed. Reg. 7037

(Jan. 25, 2021). EPA proceeded as directed, undertaking a new review. See 88 Fed.

Reg. 24854 (Apr. 24, 2023). In its proposed rule, EPA acknowledged that its new

review confirmed “all modeled exposures to HAP to be below thresholds for public

health concern.” Id. at 24895. EPA also acknowledged that there were “no new

practices, processes, or control technologies for non-Hg metal HAP.” Id. at 24868.

5.

But EPA pivoted in the final Rule, identifying two “development[s]”

that it concluded supported ratcheting down the particulate matter standard. Rule

at 38510. The first was that some power plants had reported filterable particulate

matter emission rates lower than the 0.030 lb/MMBtu standard set in MATS. Id.

And the second was that power plants had “learned and adopted ‘best practices’” for

monitoring ESPs, which had otherwise “not undergone fundamental changes since

2011,” and had begun using “more durable” and “easier to clean” materials for fabric

7

filters. Id. at 38530. Based on these “developments,” EPA reduced the emission

limit by 66%, to 0.010 lb/MMBtu. Id.

Squeezing out that last drop of emission reductions would come at massive

expense. EPA’s estimates put the average annualized cost at $10.5 million per ton

of non-hg-metal HAP, and $34,520 per ton of filterable particulate matter. 2024

Update to the 2023 Proposed Technology Review, EPA-HQ-OAR-2018-0794-6919.

That makes this the least cost-effective rule EPA has ever promulgated that does not

target a public health risk or was not mandated by statute. See Comments of

Westmoreland Mining Holdings LLC, EPA-HQ-OAR-2018-0794-5935, at 3-4

(“Westmoreland Comments”), App.121-22.

In addition to being cost-ineffective, a metric that concerns how much it costs

to reduce each ton of pollution, EPA prepared a cost-benefit analysis that compared

the health and environmental benefits of regulation with the compliance costs that

industry would incur implementing the rule. The Rule also flunked that costbenefit analysis. It would impose an estimated $860 million in compliance costs.

Rule at 38512. Unlike with the 2012 MATS, EPA did not identify any monetized

benefits from reducing HAPs. Id. And even considering purported co-benefits to

the climate and from non-HAP pollutant reductions, monetized costs exceed

monetized benefits by $440 million. Id. In fact, the reality is even worse, given that

EPA’s cost-estimate omits the downstream costs of plant closures that would be

caused by the Rule.

8

6.

While the Rule applies to all coal-fired power plants nationwide, a

disproportionate burden falls on a single power plant in rural Montana: the Colstrip

Power Plant that Westmoreland supplies. By EPA’s analysis, Colstrip will bear

almost half of the Rule’s total compliance cost.4

The Colstrip Power Plant and the Rosebud mine that supply it are the

economic engine of this rural and impoverished part of the State. As a result of the

well-paying jobs at the mine and power plant, Colstrip is a prosperous community

with a robust local tax base, excellent schools, and quality government services. For

example, Colstrip has a median household income that is more than 75% higher

than the state average and a greater percentage of adults with high school diplomas

(98.8%) than Bethesda, Maryland (98.3%), let alone Rosebud County, Montana

(85.1%). Westmoreland Cmts., Attachment (Barkey Report), at 10, App.151. And

Colstrip powers hundreds of thousands of homes and businesses in a part of the

country that includes little reserve capacity and where unique state laws like the

Montana Major Facility Siting Act make bringing new power plants online

particularly challenging. A premature retirement of Colstrip would prevent

utilities from providing adequate and reliable electrical service to customers, and

there is no feasible, near-term way to replace the power it provides.5

4 See EPA-HQOAR-2018-0794-6919, Attachment 1 (estimating total annualized

costs of over $87 Million, with over $36.8 Million annually at Colstrip alone).

5 Northwestern Energy Cmts., EPA-HQ-OAR-2018-0794-5980, at 2, App.227 (“[I]f

Colstrip is closed in the near term, NorthWestern cannot provide adequate and

reliable electrical service for its Montana customers without new replacement

baseload capacity. Colstrip currently plays an essential role in baseload capacity for

9

Nearly all coal-fired power plants that implemented MATS (instead of

retiring) employed fabric filters or ESPs. But the engineers at the Colstrip Power

Plant were able to meet the control technology limitation using a more cost-effective

technology that achieves a high level of performance at very little cost by employing

a venturi wet scrubber to control particulate emissions, achieving the MACT

emission limits and saving ratepayers hundreds of millions of dollars in retrofit

costs.

But in the War on Coal, no good deed goes unpunished. Already costineffective on an industry basis, the Rule is even more cost-ineffective for the

Colstrip Power Plant, imposing costs for HAP removal that are over 50% higher

than EPA’s estimated average. See EPA-HQ-OAR-2018-0794-6919, Attachment 1

(estimating costs of $15.8 to 16.6 million per ton). And that’s crediting EPA’s

numbers. Unrebutted record evidence showed that EPA underestimated the cost of

controls at Colstrip, with the most promising technology for meeting the new

emission limit costing $56.5 million annually and true cost-effectiveness levels of no

lower than $73,200 per ton of filterable particulate matter controlled. See Talen

Montana Cmts., EPA-HQ-OAR-2018-0794-5987, at 20, App.462. Going by those

numbers, the actual cost for HAP removal is $32.5 million per ton—over three times

EPA’s estimate of the industry average.

NorthWestern, and there are no near-term feasible means to replace Colstrip’s

capacity with other existing NorthWestern capacity or market purchases….”).

10

7.

On June 11, 2024, Westmoreland filed a petition for review in the D.C.

Circuit. On June 24, Westmoreland petitioned EPA for a stay pending review. EPA

has not responded. On June 27, Westmoreland moved for a stay of the Rule in the

D.C. Circuit, explaining that the Rule exceeded EPA’s statutory authority, and

would cause irreparable harm to Westmoreland and others. On August 6, the D.C.

Circuit denied the pending motions to stay the Rule in nine consolidated cases. The

D.C. Circuit provided no rationale for its denial beyond the perfunctory statement

that “Petitioners have not satisfied the stringent requirements for a stay pending

court review.” App.1.

REASONS FOR GRANTING THE APPLICATION

“Stay applications are nothing new” and “seek a form of interim relief

perhaps as old as the judicial system of the nation.” Ohio v. EPA, 603 U.S. __, 144

S.Ct. 2040, 2052 (2024) (cleaned up). In deciding whether to grant a stay, this Court

considers “(1) whether the applicant is likely to succeed on the merits, (2) whether it

will suffer irreparable injury without a stay, (3) whether the stay will substantially

injure the other parties interested in the proceedings, and (4) where the public

interest lies.” Id. at 2052. All four factors weigh heavily in favor of a stay here.

EPA’s abrupt reversal on the need to ratchet down emissions is contrary to law and

arbitrary and capricious. Absent a stay, Westmoreland and others in the industry

will be forced to incur nonrecoverable compliance costs, and the Rule meanwhile

threatens substantial injury to both regulated power plants and local communities

dependent on those plants. Unlike in Ohio, where both sides had “strong

11

arguments about the harms they face and the equities involved,” id. at 2053, the

administrative record here demonstrates that the equities strongly favor a stay.

I.

Applicants Are Likely To Prevail on the Merits

Westmoreland is likely to succeed on the merits. The Rule exceeds EPA’s

statutory authority, both by determining that the revised emission standards are

“necessary” given the unprecedented cost-effectiveness, failed cost-benefit analysis,

and lack of public health benefits, as well as by failing to identify any relevant

“development” on which to base the Rule. EPA is owed no deference on its

interpretation of either statutory term. Loper Bright Enterprises v. Raimondo, 603

U.S. __, 144 S. Ct. 2244 (2024).

A. It Was Not “Necessary” For EPA To Revise MATS

1. Congress did not give EPA a blank check in Section 112(d)(6) to revise

MACT standards to follow whatever policy direction the Agency’s current political

leadership prefers. Instead, Congress directed EPA periodically to review emission

standards established under Clean Air Act Section 112 and revise them only “as

necessary (taking into account developments in practices, process, and control

technologies).” 42. U.S.C. § 7412. The term “necessary” is a limitation on the

agency’s discretion and authority, carrying real weight. See, e.g., United States v.

Menasche, 348 U. S. 528, 538-539 (1955) (“It is our duty to give effect, if possible, to

every clause and word of a statute.”) (cleaned up). Specifically, it requires that

revision to Section 112 emission standards be necessary to achievement of Section

112’s aim—preventing harm to public health or the environment resulting from

HAP emissions. After all, Congress did not direct EPA to revise standards “taking

12

into account developments in practices, processes, and control technologies,” but to

do so only “as necessary” taking into account relevant developments.

EPA’s error in the Rule is that it loses sight of the understanding that an

action or intervention can only be “necessary” with respect to some end or goal. As

every law student knows, McCulloch v. Maryland, 17 U.S. 316 (1819), recognized

that “necessary” has a spectrum of meanings ranging from absolute prerequisite

(“that one thing to which another may be termed necessary, cannot exist without

that other”) to conducive (“no more than that one thing is convenient, or useful, or

essential to another”). Id. at 413 (emphasis added). Across that entire spectrum,

“necessary” describes the relationship between the thing in question (e.g., the

national bank) and a goal or end (e.g., making effective the exercise of Congress’s

power to tax and spend). It would be nonsensical to discuss the necessity of the

former in the absence of the latter.

Dictionary definitions echo the point. For example, Merriam-Webster defines

the term as “absolutely needed,” with the example: “Food is necessary for life.”6

Similarly, the American Heritage Dictionary of the English Language defines

“necessary” as “needed or required,” both of which terms reference some end;

nothing is “needed” or “required” on its own terms. See American Heritage

Dictionary of the English Language (5th ed. 2011) (defining “need” in relevant part

as “[a] condition or situation in which something must be supplied in order for a

6 Merriam-Webster Online Dictionary (last updated Aug. 9, 2024), available at

https://www.merriam-webster.com/dictionary/necessary.

13

certain condition to be maintained or a desired state to be achieved,” and defining

“required” as “[t]o have as a requisite or necessity”).

Indeed, EPA itself has recognized that the term “necessary” requires

consideration of the putative health or environmental benefits of regulation. For

example, in a previous Section 112(d)(6) review EPA considered the “effect in

reducing public health risk” in determining that it was not “necessary” to revise

HAP emission standards for synthetic organic chemical manufacturers. 71 Fed. Reg.

76603, 76606 (Dec. 21, 2006). Similarly, in the original MATS Rule, EPA

interpreted the term “necessary” elsewhere in Section 112 to authorize regulating

HAP emissions from coal-fired power plants “for a variety of reasons, including that

hazards to public health and the environment . . . remain after imposition of the

requirements of the CAA.” 76 Fed. Reg. 24976, 24986 (May 3, 2011) (proposal); 77

Fed. Reg. 9304, 9311 (Feb. 16, 2012) (final). These interpretations follow naturally

from Section 112’s evident aim of preventing harm to public health or the

environment from HAP emissions. See, e.g., 42 U.S.C. § 7412(b)(2)-(3) (providing

that EPA’s authority to regulate specific pollutants turns on their “threat of adverse

human health effects” or “adverse environmental effects”); id. § 7412(c)(3)

(providing that EPA’s authority to regulate area sources turns on their emissions’

“adverse effects to human health or the environment”); id. § 7412(c)(9) (authorizing

EPA to exempt entire source categories from regulation based on the health impact

of their emissions); id. § 7412(e)(2) (requiring EPA to prioritize the issuance of

14

standards based on, inter alia, “the known or anticipated adverse effects of such

pollutants on public health and the environment”).

The Court has interpreted the term “necessary,” as used in the Clean Air Act,

in the same fashion. Train v. Natural Resources Def. Council, 421 U.S. 60, 98

(1975), considered 42 U.S.C. § 7410(a)(2)(H), which provides for revision of state

implementation plans for national ambient air quality standard plans “from time to

time as may be necessary to take account of revisions of such national primary or

secondary ambient air quality standard or the availability of improved or more

expeditious methods of attaining such standard.” That language, the Court

concluded, requires “state plans be capable of such modifications as are necessary to

meet the basic goal of cleansing the ambient air to the extent necessary to protect

public health.” Id.

These prior interpretations may seem unremarkable, but that is the point: of

course necessity has to be measured with respect to some goal, and it is hardly

surprising that, in the context of the Clean Air Act, that goal will typically be

something like the protection of public health.

The Rule, however, rejects that common-sensical understanding through its

departure from the plain meaning of “necessary.” Rather than assess whether

developments further any goal, the Rule “is based on the premise that, to the extent

there are controls available to reduce HAP emissions, and those controls are of

reasonable cost, sources should be required to use them.” Rule at 38531. According

to the Agency, the statute affords it absolute discretion to consider, or not, public

15

health and environmental effects in determining whether to revise Section 112

standards, and here it simply chose not to do so. Id. at 38525. But eliminating

consideration of the goal of Section 112 regulation—preventing harm to public

health or the environment resulting from HAP emissions—writes the word

“necessary” out of the statute. All that remains is consideration of availability and

cost, which do not add up to necessity: that a given control is available and that

EPA believes the cost is “reasonable” does not mean that it is necessary to prevent

harm to the public health or environment, or any other end.7

This reinterpretation of the statutory standard is the cornerstone of the Rule.

Without it, EPA could not possibly justify further reductions in emissions limits

that, by its own accounting, already protect public health and the environment with

an ample margin of safety.

Finally, any interpretation of the term “necessary” that does not consider

technological developments in light of a specific objective raises non-delegation

concerns. If necessity is not justified by reference to health and environmental

endpoints, there would be no “intelligible principle” for what counts as “necessary.”

“A construction of the statute that avoids this kind of open-ended grant should

7 Defending its interpretation, EPA cited Association of Battery Recyclers v. EPA,

716 F.3d 667, 672 (D.C. Cir. 2013). EPA, Summary of Public Comments and

Responses on Proposed Rule, EPA-HQ-OAR-2018-0794-6922 (Apr. 2024), at 144.

But that decision construes Section 112(d)(6) to deny EPA discretion to consider

“public health objectives… in determining whether more stringent standards were

‘necessary,’” which is at odds with EPA’s discretion-granting interpretation. In any

event, the decision’s cursory analysis is unpersuasive because, among other things,

it does not address the meaning of the statutory term “necessary” and adopts an

interpretation depriving that term of any force.

16

certainly be favored.” Indus. Union Dep’t, AFL-CIO v. Am. Petrol. Inst., 448 U.S.

607, 646 (1980). And here that is the construction that comports with the ordinary

meaning of “necessary.”

2. EPA identified two supposed benefits—eliminating lagging performers and

achieving HAP emission reductions—that it contends made the Rule “appropriate”

(Rule at 38529) and “a worthwhile exercise of the EPA’s CAA section 112(d)(6)

authority” (Id. at 38553). EPA’s use of “appropriate” and “worthwhile” tacitly admit

that both fall short of “necessary.” In any case, neither ground suffices to justify the

Rule.

EPA claimed that “a small number of units [are] lagging behind and emitting

significantly higher levels of these HAP in communities surrounding those units,”

making “it appropriate to require these lagging units to bring their pollutant control

performance up to that of their peers.” Rule at 38529, see also id. at 38524. Indeed,

this is the only issue that EPA identifies as “what the revised standards seek to

remedy.” Id. at 38524. EPA’s aspersions refer primarily to Colstrip, which EPA

represents as “unable” to comply with the Rule’s new filterable particulate matter

standard absent “the costliest PM control upgrade option,” Rule at 38531, 38522,

and which will bear nearly half the costs of the entire Rule.8 But this argument is

illogical on its face: that a given source meets the limit, but not by as large a margin

as some other sources, has no relationship to whether revisions are “necessary” to

8 See EPA-HQOAR-2018-0794-6919, Attachment 1 (estimating total annualized

costs of over $87 Million, with over $36.8 Million annually at Colstrip alone).

17

meet a specific goal, let alone the goal of protecting public health and the

environment from HAP emissions.

Even assuming arguendo that this has anything to do with necessity, the

record does not support EPA’s finding because Colstrip is not, in fact, a straggler on

metal HAP emissions. EPA’s contention to the contrary is an artifact of the

Agency’s use of filterable particulate matter as a compliance surrogate for metal

HAP. Due to the low impurities in Westmoreland coal from the Rosebud mine, the

filterable particulate matter emitted by Colstrip contains less metal HAP than at

nearly any other power plant in America. EPA-HQ-OAR-2018-0794-6919,

Attachment 1 ( “Metal Ratios” tab column “M”). Accordingly, Colstrip’s filterable

particulate matter surrogate emissions are offset by the far lower-than-average

metal HAP content of that filterable particulate matter, resulting in metal HAP

emissions that are around the industry average. See EPA-HQ-OAR-2018-0794-6919

Attachment 1. EPA’s decision to ignore the lower metal HAP content of Colstrip’s

emissions, which was evident on the face of the record and highlighted in

Westmoreland’s comments, EPA-HQ-OAR-2018-0794-5935, at 18 & 19 n.27, n.29,

App.136-37, is particularly arbitrary and capricious given that Section 112

authorizes EPA to regulate HAP emissions, not filterable particulate matter. See

Motor Vehicle Mfrs. Assn. of United States, Inc. v. State Farm Mut. Automobile Ins.

Co., 463 U.S. 29, 43 (1983) (An agency action is arbitrary and capricious if the

agency “offered an explanation for its decision that runs counter to the evidence

before the agency”).

18

Second, despite the Rule being the single least cost-effective discretionary

exercise of EPA’s Clean Air Act authority ever, and with monetized net benefits

being outweighed by over $440 million, EPA concluded that the Rule was a

“worthwhile exercise of the EPA's CAA section 112(d)(6) authority” based on “nonmonetized benefits from HAP reductions.” Rule at 38553.

But reliance on non-monetized benefits is not a magic trick to transform a

$440 million deficit into a “worthwhile” exercise of authority. Monetizing benefits

from HAP reductions is something EPA regularly does, even if it chose not to do so

in this Rule. For example, when EPA monetized mercury reductions in the 2012

MATS, it arrived at a $4-$6 million benefit for reducing 20 tons of mercury, 77 Fed.

Reg. 9304, 9425 (Feb. 16, 2012).9 This Rule would eliminate only 900-1000 pounds

of mercury emissions, Rule at 38512, approximately 2.5% of the reduction from the

2012 rule. EPA does not explain its refusal to monetize HAP benefits this time

around. But simple common sense suggests that EPA chose not to do so because the

dollar figure would be negligible—well less than $1 million per year—and would be

dwarfed by the Rule’s massive costs. The other non-monetized benefit EPA

associated with the Rule was from metal HAP reductions, but EPA has elsewhere

explained those benefits are likely to be a “small fraction” of those quantified. E.g.,

85 Fed. Reg. 31286, 31296-97, 31304 (May 22, 2020). This truly is a situation where

9 EPA also suggested benefits might be significantly lower. 77 Fed. Reg. at 9428

n.371.

19

it is not “rational . . . to impose billions of dollars in economic costs in return for a

few dollars in health or environmental benefits.” Michigan, 576 U.S. at 752.

In any case, it is arbitrary and irreconcilable with the record for EPA to claim

that non-monetized benefits from HAP reductions constitute a material benefit

capable of trumping the Agency’s own conclusion that costs exceed monetized

benefits by hundreds of millions of dollars. EPA’s quantitative risk analysis

concluded that the prior MATS standard already protects health with a margin of

safety orders of magnitude below the 100-in-1 million risk threshold EPA

presumptively treats as acceptable. E.g., 85 Fed. Reg. 31286, 31316 (May 22, 2020).

Specifically, after modeling exposure for communities around each individual

facility, including Colstrip, EPA found that “[t]here are only four facilities in the

source category with cancer risk at or above 1-in-1 million, and all of them are

located in Puerto Rico.” Id. at 31319; see also id. at 31316 (summarizing similarly

low results for non-cancer risk) (emphasis added). This modeling was highly

conservative, based on “‘maximum individual risk’ experienced by the most highly

exposed individual living in proximity to the source, presuming continuous exposure

for 70 years.” Id. at 31304 (emphasis added).

And the true avoided risk is infinitesimal. EPA’s quantitative analysis of

risks in the 2020 residual risk review under the prior MATS standard found that,

for Colstrip in particular, the Cancer Maximum Individual Risk (MIR) was 1.47E-07

(i.e., 0.147 in 1 million), and predicted Cancer Incidence of 5.82E-06 (i.e., 0.0000582;

i.e., one avoided case every 17,182 years). See EPA, Residual Risk Assessment for

20

the Coal- and Oil-Fired EGU Source Category in Support of the 2020 Risk and

Technology Review Final Rule (Sept. 2019) (Docket ID EPA-HQ-OAR-2018-07944553), App. 10, Tables 1 and 2a.10

Reducing risk that is already less than 1-in-1-million yields no material

benefit, and certainly none that could rationally counterweigh the Agency’s $440

million net-negative cost benefit analysis. Indeed, 1-in-1 million is not just an ultraconservative risk threshold, but is the de minimis risk threshold set by Congress

itself, below which an entire source category may be delisted, i.e., not regulated at

all under Section 112. 42 U.S.C. §7412(c)(9).

3. Contrary to EPA’s suggestion, construing the term “necessary” to include

health benefits does not collapse the distinction between a Section 112(f) residual

risk review and a Section 112(d)(6) necessity review. Section 112(f) includes a

mechanical assessment of residual risk in accordance with the pre-existing Benzene

framework that occurs a single time following establishment of MACT standards,

whereas Section 112(d)(6)’s necessity review occurs every eight years, ad infinitum.

Moreover, residual-risk review focuses on just that, residual risk, whereas necessity

review focuses on the ability of new developments to meaningfully improve public

health or the environment in a cost-appropriate manner. There is no reason to

10 “Cancer incidence” is the number of excess cancer cases per year, taking into

account the exposure and the population exposed. The inverse of cancer incidence is

the number of years it takes to have one excess cancer case. See, e.g., id. at 6 (“The

total estimated cancer incidence from this source category is 0.04 excess cancer

cases per year, or one excess case in every 25 years [1/0.4=25].”).

21

believe that Congress nonsensically intended necessity review to be blind to

considerations of public health that are the basis for Section 112.

4. Even setting aside the lack of any benefit or risk creating a necessity, EPA

must consider costs when determining whether regulation is “necessary.” Michigan,

576 U.S. at 756. Furthermore, EPA’s practice is to consider “feasibility, utility, [and]

cost effectiveness as part of its technology review.” Ass’n of Battery Recyclers, Inc.,

716 F.3d at 674. Because EPA’s practice is to rely on these factors, any unexplained

failure to do so would constitute an unreasoned and therefore arbitrary and

capricious reversal. See FCC v. Fox Television Stations, Inc., 556 U.S. 502, 516

(2009). But the Rule utterly fails to consider cost in any meaningful and nonarbitrary manner.

Cost-effectiveness, which is the cost of reducing a ton of a given pollutant, is

the lodestar of cost considerations. But EPA was forced to candidly admit that “the

cost-effectiveness values for [the Rule] are higher than cost-effectiveness values that

the EPA concluded were not cost-effective,” Rule at 38523. That is putting it lightly.

In fact, this Rule appears to be the single least cost-effective rule ever enacted by

EPA where revisions were not necessary to prevent unreasonable risk to public

health or the environment or mandated by law. Westmoreland Cmts. at 3-4,

App.121-22. EPA regularly and rightly rejects such cost-ineffective controls in its

Section 112 rulemakings as “unnecessary,” including for petroleum refining, iron

ore processing, integrated iron and steel manufacturing, Portland cement, and lead-

22

acid battery manufacturing industries.11 Reasonableness demanded the same here,

and that’s even before taking into account the unrebutted record evidence that the

costs to Colstrip are double or more than EPA’s estimates.12

To dodge the Rule’s transparent cost-ineffectiveness, EPA purported to

“consider cost” via a grab-bag of alternative cost metrics including “typical capital

and total expenditures for the power sector” “total power sector sales” and “total PM

upgrade control costs and emissions of the coal fleet.” EPA’s claim that this

approach was consistent with historic practice is wrong. Rule at 38532 n.52. In

reality, every rulemaking cited by EPA either found cost-effectiveness to be within

the range of values EPA had accepted historically, before considering other cost

metrics,13 or declined to enact a standard due to facility-specific determinations of

11 See Rule at 38522-23.

According to EPA, the Rule imposes industrywide cost

effectiveness of $10.5 Million per ton of non hg-metal HAP, and $34,520 per ton of

filterable particulate matter, with EPA calculating cost-effectiveness at Colstrip’s

units of $16.6 Million and $15.8 Million respectively per ton of non hg-metal HAP,

and $37,434 and $35,722 per ton of filterable particulate matter. See EPA-HQ-OAR2018-0794-6919, Attachment 1. This far exceeds thresholds EPA previously found

cost-ineffective. See 80 Fed. Reg. 75178, 75201 (Dec. 1, 2015) (petroleum refining)

($10 million/ton of non-Hg HAP metals, $23,000 per ton of filterable particulate

matter); 85 Fed. Reg. 45476, 45483 (July 28, 2020) (iron ore processing) ($16 million

per ton non-Hg HAP metals); 85 Fed. Reg. 42074, 42f090 (July 13, 2020) ($14,000

per ton volatile HAP/$7 million/ton non-Hg HAP metals); 78 Fed. Reg. 10006,

10,020-21 (Feb. 12, 2013) (Portland cement) ($268,000/ton particulate matter); 88

Fed. Reg. 11556, 11565 (Feb. 23, 2023) (lead-acid battery manufacturing) ($4.7M

per ton of lead); see also EPA, The Benefits and Costs of the Clean Air Act from

1990 to 2020 (Apr. 2011) (noting that PM “controls more costly than $15,000 per ton

may not be cost-effective”).

12 Talen Montana Cmts., EPA-HQ-OAR-2018-0794-5987, p.20, App.462; see also

EPA-HQOAR- 2018-0794-5789, Attachment 1 for EPA estimate of metal HAP to

filterable particulate matter ratio for Colstrip.

13 87 Fed. Reg. 27002, 27008 (May 6, 2022); 87 Fed. Reg. 1616, 1635 (Jan. 11, 2022);

80 Fed. Reg. 37366, 37381 (June 30, 2015); 80 Fed. Reg. 14248, 14254-56 (March 18,

23

“poor cost effectiveness” even after considering other cost metrics.14 Tellingly, these

were the rulemakings EPA apparently thought most helpful to rely on. And as

further indicia of arbitrariness, EPA used those alternative cost comparisons solely

on an industrywide basis, Rule at 38532, despite every historic example EPA cited

accounting for facility specific calculations of those same cost metrics and/or cost

effectiveness. Supra at n.13 and n.14. It is inexplicable, and inexcusable, that EPA

claimed to act consistent with its past practice, while doing the precise opposite.

FCC v. Fox TV Stations, Inc., 556 U.S. 502, 515 (2009).

4. EPA’s action was further arbitrary and capricious by failing to consider

several other highly relevant factors affecting the necessity, cost, and impacts of the

Rule.

First, EPA arbitrarily failed to consider the cumulative impacts of other

changes to relevant regulations applicable to the same sources. That includes EPA’s

“Power Plant Rule,” which imposes carbon capture and sequestration (CCS)

requirements on these very same existing coal-fired power plants under Clean Air

Act Section 111, and was announced the same day as the Rule.15 In similar

2015); 77 Fed. Reg. 58220, 58226-28 (Sept. 19, 2012); see also 77 Fed. Reg. 49490,

49523 (Aug. 16, 2012) (EPA erroneously pincited as a technology review, whereas

most of that rule was not based on section 112(d)(6), see, e.g., id. at 49501;

regardless, the rule proposal shows EPA relied on cost effectiveness for the one

change under 112(d)(6), 76 Fed. Reg. 52738, 52755 (Aug 23, 2011)).

14 87 Fed. Reg. 1616, 1633 (Jan. 11, 2022); 80 Fed. Reg. 50386, 50398 (Aug. 19,

2015).

15 See “New Source Performance Standards for Greenhouse Gas Emissions From

New, Modified, and Reconstructed Fossil Fuel-Fired Electric Generating Units;

Emission Guidelines for Greenhouse Gas Emissions From Existing Fossil Fuel24

circumstances, the D.C. Circuit held that an “impending [regulatory change

regarding an] undeniably related source category is clearly a ‘relevant factor[]’ or an

‘important aspect of the problem’ that must be considered.” Portland Cement

Association v. EPA, 665 F.3d 177 (D.C. Cir 2011) (quoting Motor Vehicle Mfrs. Ass'n

v. State Farm Mut. Auto. Ins. Co., 463 U.S. at 43). Yet EPA did not consider it.

EPA’s failure to consider the Power Plant Rule’s impacts undermines crucial

aspects of the Agency’s reasoning in support of the Rule. Most of all, that failure

renders EPA’s analysis of plant closures little better than fiction, because it does not

address the fact that plant owners will need to determine how to comply with both

rules in an integrated manner, compounding the risk of closures. Similarly, EPA’s

cost analysis assumes that large capital expenditures (e.g. a fabric filter system) can

be annualized based on the life of the equipment, but this arbitrarily ignores the

fact that such large expenditures will have a much higher annualized cost if the

Power Plant Rule leads to premature closure of facilities.

Second, EPA arbitrarily refused to consider crippling costs and societal

harms associated with a potential retirement of Colstrip. These costs far outstrip

any putative benefits of the Rule. As the Supreme Court made clear in Michigan,

“‘cost’ includes more than the expense of complying with regulations; any

disadvantage could be termed a cost.” 576 U.S. at 752. EPA ignored Westmoreland’s

comments that the Rule threatens the viability of Colstrip and the Rosebud mine,

Fired Electric Generating Units; and Repeal of the Affordable Clean Energy Rule,”

88 Fed. Reg. 33240 (May 23, 2023)

25

threatens their workers’ livelihoods, and threatens the welfare of the Colstrip

community. Westmoreland Cmts. at 14, App.132. Westmoreland submitted a

detailed economic report showing that closure of the Rosebud mine alone would

inflict a multi-billion-dollar blow on the State of Montana, destroying over 1,800

well-paid jobs, eliminating over $330 million in annual revenue to Montana

businesses, and reducing state government revenue by $40 million per year. Id.

Attachment (Barkey Report) at 10, App.145.16 If Colstrip closed, the damage to

Montana would be even greater, costing the state over $17 billion in lost economic

production between 2028-2043. Talen Montana Cmts., EPA-HQOAR-2018-07945987, p.6, App.448. EPA ignored all of this. These economic costs to the State of

Montana and its citizens are a critical part of the “costs” of the Rule that would not

allow EPA to reasonably or rationally find the Rule to be “necessary” under Section

112(d)(6).

*

*

*

In sum, Westmoreland is likely to prevail in showing that EPA’s

determination that it was “necessary” for the Agency to promulgate a revision to

MATS is contrary to law and arbitrary and capricious.

16 Dr. Patrick Barkey, Director of the Bureau of Business and Economic Research at

the University of Montana, updated his research in conjunction with this motion for

stay. See Appendix H, Exhibit 1, Declaration of Dr. Patrick Barkey in Support of

Petitioner’s Motion to Stay Final Rule (“Updated Barkey Report”).

26

B. The Rule is Not Based on Any Valid Development Under CAA

Section 112(d)(6)

Applicants are also likely to succeed in their challenge because EPA failed to

identify any “developments in practices, processes, and control technologies” on

which to base the drastically reduced emission limits in the Rule.

Congress’s use of the term “development” entails changes in practices,

process, and control technologies that are both new (i.e., emerging after 2012 status

quo) and significant. See Development, American Heritage Dictionary of the English

Language (5th ed. 2011) (“A significant event, occurrence, or change.”);

Development, Random House Kernerman Webster's College Dictionary (2010) (“A

significant consequence or event.”). This plain meaning of the term “development”

is not only the best interpretation, but also how EPA understood the term in 2020,

when it determined that there were no new developments that merited revisions to

MATS. See 84 Fed. Reg. 2670, 2687 (Feb. 7, 2019) (listing the specific types of

changes that EPA believed constituted “developments” under Section 112(d)(6)).

Here, EPA identified no developments in practices, processes, or control

technologies that were either new or significant since 2012, let alone since EPA

conducted its last review in 2020. Although EPA asserts that it identified

“developments in practices, processes, and control technologies that warrant

revisions to the MACT standards for this source category,” Rule at 38518, elsewhere

the Agency more accurately characterizes its findings as “developments in the

performance of sources within the category since the EPA finalized MATS,” id. at

38529. EPA undoubtedly made this concession because the control technologies,

27

practices, and processes considered by EPA are not new—each existed at the time of

the 2012 MATS Rule.

In this regard, none of the putative developments identified by EPA have any

nexus to the Agency’s revised filterable particulate matter limit. For ESPs, EPA

recognizes that “ESP technology has not undergone fundamental changes since

2011” and instead cites industry experience “associated with monitoring ESP

operation.” Id. at 38530. For fabric filters, EPA likewise notes improvements in

materials that make filters more durable, id., but the Agency never claimed that

they are more effective at particulate reduction than a properly maintained fabric

filter in 2011, much less by the margins EPA reduces the standard to in the Rule.

Likewise, EPA’s reliance on developments “in the costs of control

technologies” (Rule at 38510, 38534) is also arbitrary, given the singular costineffectiveness of the rule. The fact that a Rule which was not cost-effective in 2012

is still not cost-effective now, albeit now somewhat less costly for some facilities not

the primary target of the Rule, cannot be said to be a relevant development.

The only “development” is EPA’s reinterpretation of Section 112(d)(6) as

authorizing the Agency to adopt more stringent emission standards despite the lack

of identified developments in the effectiveness of pollution control technology at

meeting lower emission limits. Unsupported by any real and relevant developments,

the Rule is, at best, an arbitrary and unreasonable regulatory capture of the

“margin of error” that coal-fired power plants use to ensure compliance with MATS,

28

and, at worst, just another volley in the War on Coal. It is not a permissible

application of Section 112(d)(6).

II.

The Rule Will Cause Substantial Irreparable Harm

The applicant States make a compelling case that the Rule will irreparably

harm them through the catastrophic consequences for the power grid, increases in

retail electric rates, and burdens on the States themselves. In particular, the lack of

any indication in the record that EPA appropriately consulted with NERC and

FERC before imperiling electric reliability is inexcusable. But the Court should not

lose sight of the fact that the Rule threatens the remaining coal-fired power plants

and the mining companies that supply those plants.

As Talen and Northwestern explained in the court below, there is a

substantial risk that Colstrip will be forced to close to avoid having to spend

hundreds of millions of dollars on a cost-ineffective new pollution control system

that may operate for only a few years. See Alcresta Therapeutics, Inc. v. Azar, 755

Fed. Appx. 1, 5 (D.C. Cir. 2018) (showing of irreparable harm satisfied where

corporate official submitted a declaration attesting that the company would “likely

be forced to cease operations”); Crowe & Dunlevy, P.C. v. Stidham, 640 F.3d 1140,

1157 (10th Cir. 2011) (irreparable harm where the moving party faced a “significant

risk” of unrecoverable financial injury).

A shutdown of Colstrip would devastate Westmoreland. Westmoreland is

dependent on the Rosebud mine for its financial well-being, and the Rosebud mine,

in turn, is dependent on the Colstrip Power Plant for its survival. Cottrell Decl. ¶¶

18-21, App.524-25. If Colstrip closes, Westmoreland will lose between 6.5 and 7

29

million tons of coal sales each year. Id. at ¶ 25, App.526. Westmoreland would need

to close the mine, which would result in Westmoreland losing 26.4% of its revenue

and laying off 17% of its employees. Closure of the mine would also strand over

$100 million in permitting, mine development, equipment, and associated costs to

support the mine’s operations. Id. at ¶¶ 27-29, App.527-28.

If the Rule does not shutter Colstrip, Applicants will be forced to expend

substantial, unrecoverable expenditures. The compliance deadline for the Rule is

only three years away, Rule at 38519, but both the owners of Colstrip and

Westmoreland need to make hiring and investment decisions now. Without a stay,

they will be forced to expend substantial, unrecoverable expenditures. See Ohio, 144

S.Ct. at 2053 (citing Thunder Basin Coal Co. v. Reich, 510 U.S. 200, 220 (1994)

(Scalia, J., concurring in part and concurring in the judgment)).

III.

The Balance of the Equities and the Public Interest Favor a Stay

A stay would not harm non-parties. Unlike Ohio, where both sides had

“strong arguments about the harms they face and the equities involved,” in this

Rule EPA determined that public health and the environment are already protected

with an ample margin of safety. Rule at 38518, 38525. Indeed, given that the

supposed avoided emissions from Colstrip are calculated to only result in avoiding

one occurrence in multiple millennia under a maximum exposure scenario, 24 hours

per day, 365 days per year, for decades, a stay will not materially affect any such

risks. The Rule is also a net negative for society monetarily, indicating that the

public interest would be harmed by the Rule going into effect, not by a stay. Id. at

38511-12.

30

On the other side of the scale, the public would benefit from a stay of this

unnecessary Rule. In addition to the potential harm to ratepayers and electric

consumers, the Colstrip community and the State of Montana would be devastated

if the Colstrip Power Plant is forced to close rather than comply with the Rule.

Thanks to the good jobs provided by the plant and mine, and the downstream

economic benefits, the median household income in Colstrip is substantially higher

than the rest of Rosebud County and the state as a whole. See Updated Barkey

Report at 2, App.490. There are fewer low-income residents in Colstrip—only 23.2%

of Colstrip households make less than $40,000 per year, while nearly half of

households in the rest of Rosebud County make less than that amount—and more

high income residents—25.6% of households in Colstrip have an annual household

income of $125,000 or more, compared to 10.2% in the rest of Rosebud County. Id.

But if Colstrip closes, nearly 600 jobs would be lost overnight at the mine and plant.

Id. at 5. The impacts of the closure would ripple through the economy, and over

3,000 jobs lost would be lost statewide. Id. These would not be just any jobs—with

average earnings per job over $84,000 per year, id. at 7, these are the jobs that

supports families and communities.

In addition, the State of Montana would be irreparably injured. Personal

income in the State would be reduced by $240 million per year, id. at 6, with a total

economic impact exceeding $1 billion every year, id. at 7. The State would lose over

$100 million in revenue. Id. at 8. Closure of the plant and mine would also likely

31

cost the State thousands of residents. Id. at 9. And all of these injures would be for

a rule that EPA acknowledges has net negative benefits.

The saga of MATS likewise shows that a stay is necessary to avoid these

injuries. Twelve years ago, the courts declined to issue a stay of the original MATS

rule based on EPA’s refusal to consider the costs of regulation. After this Court later

held MATS to be arbitrary and capricious, petitioners were unable to obtain

effective relief because, as EPA’s leaders assured their political allies following its

loss at the Supreme Court, “the majority of power plants are already in compliance

or well on their way to compliance.”17 The Court should not permit this history to

repeat itself.

CONCLUSION

This Court should stay the Rule pending judicial review.

Dated: August 16, 2024

Respectfully submitted,

MARTIN T. BOOHER

JOSHUA T. WILSON

BAKER & HOSTETLER LLP

2000 Key Tower

127 Public Square

Cleveland, Ohio 44114

/s/Mark W. DeLaquil

MARK W. DELAQUIL

Counsel of Record

ANDREW M. GROSSMAN

BAKER & HOSTETLER LLP

1050 Connecticut Avenue N.W.

Suite 1100

Washington, D.C. 20036

(202) 861-1527

mdelaquil@bakerlaw.com

Counsel for Applicants

Westmoreland Mining Holdings LLC,

Westmoreland Mining LLC, and

Westmoreland Rosebud Mining LLC

17 Supra n.1

32

This is a copy of a public record, reproduced as it was published. It is not legal advice, and it may not be the version a court would rely on. Check the official source before you cite it.

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