Documents

Oral argument — State of North Carolina v. EPA

Oral argument · Oral argument · Apr 14, 2015

Air Act. … court's interpretation of the Clean Air Act.

Oral argument — Heal Utah v. EPA

Oral argument · Oral argument · Mar 21, 2023

And here, petitioners likewise claim that the CARBON shut down to comply with a separate Clean Air Act program. … I think the key point is that the two programs address different obligations under the Clean Air Act.

Oral argument — Montana Environmental Info. v. Debra Thomas

Oral argument · Oral argument · Feb 14, 2018

the Clean Air Act. … If the court were to impose this new and hefty burden on EPA that is not mandated by the Clean Air Act, that would have enormous consequences on the national administration of the Clean Air Act.

Oral argument — Sierra Club v. EPA

Oral argument · Oral argument · Sep 15, 2017

Most of the 187 hazardous air pollutants that are listed in the Clean Air Act are organic hazardous air pollutants. … not clean during startup period.

Oral argument — Mexichem Specialty Resins v. EPA

Oral argument · Oral argument · Nov 19, 2014

Under the Clean Air Act, yes. But there is also authority... Is it a wastewater limit? The Clean Air Act doesn't apply? … The wastewater limit, it actually is a Clean Air Act standard because hazardous air pollutants can volatilize into the air. So the Clean Air Act does apply. It's a Section 112 standard. Right.

Oral argument — Sierra Club v. USEPA

Oral argument · Oral argument · Nov 16, 2011

Would it be, what would happen if we assumed that the Clean Air Act issue didn't have to be reached? … You know, once EPA acts to approve the measures, an interested party could challenge them under Section 307 of the Clean Air Act.

Oral argument — Safe Air For Everyone v. US EPA

Oral argument · Oral argument · Nov 15, 2006

That action violated Section 110L of the Clean Air Act, which bars EPA from approving any plan revision if the revision would interfere with any applicable Clean Air Act requirement, including attainment … Hall would still require a clean air analysis.

Oral argument — Moreau v. Air France

Oral argument · Oral argument · Jun 9, 2003

I submit to you, Your Honor, that if you look at the language of the joint employment regulation, which is the result of lengthy comment period where people submitted comments to the Secretary of Labor … I think Air France may have a certain definition of what clean is.

Oral argument — Chabot-Las Positas Community v. EPA

Oral argument · Oral argument · Apr 19, 2012

Under both Section 165 of the Clean Air Act and the PSD regulations, which were applicable to this application through the close of the comment period, as a matter of law, no such project may be constructed … The primary argument here by the petitioners is based on the Clean Air Act.

Oral argument — Center for Biological Diversity v. EPA

Oral argument · Oral argument · Apr 10, 2026

The Clean Air Act specifically requires the administrator of the EPA to, the Clean Air Act states the administrator shall complete a thorough review every five years of air quality criteria and the National … I don't think that we get to whether the Clean Air Act rule should be vacated or changed because we're not asking a question under the Clean Air Act. That's not my question.

Oral argument — Clean Water Action v. EPA

Oral argument · Oral argument · May 1, 2019

Petitioners really rely on the Clean Air Act for that argument, but the Clean Air Act is different. … I mean, the Clean Air Act gives the stay authority. It's limited to a short time period, and even their courts have held you can't circumvent that limitation.

Oral argument — Clean Air Council v. EPA

Oral argument · Oral argument · May 11, 2026

The structure of the Clean Air Act, I mean, the Clean Air Act was designed to reduce pollution. The 1990 amendments to the Clean Air Act were supposed to speed EPA's. … I mean, if the rule is effective immediately, the Clean Air Act does distinguish between effective dates and compliance deadlines.

Oral argument — CBE v. EPA

Oral argument · Oral argument · Oct 22, 2014

Well, the injury is being forced to breathe air that is not as clean as it would have been had the Clean Air Act requirements been followed. And if this... … whether they comply with the Clean Air Act, and that's what EPA did in this rulemaking.

Oral argument — Keystone-Conemaugh Projects LLC v. US Environmental Protection Agency

Oral argument · Oral argument · Nov 6, 2023

upon under the Clean Air Act. … And it cannot do that under the Clean Air Act. It's prohibited.

Oral argument — United States v. Enrique Lizano

Oral argument · Oral argument · Jan 25, 2024

as a standard or limitation on emissions under the Clean Air Act. … of EPA or, excuse me, of Clean Air Act standards and regulations.

Oral argument — Great Basin v. EPA

Oral argument · Oral argument · Nov 1, 2004

So it's not any change over a five‑year period for purposes of the Clean Air Act definition there, but rather it's the separate and distinct inquiry that supports, getting to your question, the rule under … There's initiation provisions under the Clean Air Act. They can initiate a redesignation in Section 107 of the Clean Air Act.

Oral argument — Ctr. for Biological Diversity v. USEPA

Oral argument · Oral argument · Nov 15, 2022

Does fugitive dust come within the Clean Air Act, though? I mean, does that need to be regulated? … Air Act period.

Oral argument — Sierra Club v. EPA

Oral argument · Oral argument · Oct 8, 2013

Is there anything in the plain language of the Clean Air Act that addresses the situation where the EPA fails to act in a timely fashion and fails to approve the permit within that one year period? … And I'd point out the Clean Air Act is full of deadlines. And that EPA misses those deadlines with some regularity and sometimes with intentionality.

Oral argument — Environ Comm FL Elec Power v. EPA

Oral argument · Oral argument · Mar 25, 2022

Because the Clean Air Act is not shy about imposing legal rules. And we went through and we looked at the entirety of the Clean Air Act. … EPA regulates in all kinds of ways under the Clean Air Act. Right.

Oral argument — Sierra v. USArmy Corp

Oral argument · Oral argument · Jun 10, 2009

That's the revenue under the Clean Water Act. What is planned to be built on the 1.5 acres? … The only—what was before, the state—the acting Army Corps of Engineers, when the public comment period closed, was only an analysis of the traffic on the site.