Air quality standards
Chamber of Commerce v. Environmental Protection Agency
In brief
- Where it stands
- Petition Pending
Awaiting an order on the petition
- What it’s about
- The Chamber of Commerce and other industry groups have asked the Supreme Court to review the D.C. Circuit’s decision upholding EPA’s early revision of a national air-quality standard.
- What's at stake
- The petition asks whether EPA must complete a thorough review and consider costs and attainability before revising a national air-quality standard ahead of schedule.
Summary: written with AI from the case record.
What it's about
They argue federal law required a thorough scientific review and ask whether EPA also had to consider costs and whether the standard could be met.
The Clean Air Act calls for EPA to review these standards every five years and also allows it to act earlier or more often.
Question presented
1. Whether EPA may revise a NAAQS without the “thorough review” required by section 109(d)(1) simply because it acts “earlier or more frequently” than mandated. 2. Whether EPA must consider costs and attainability when exercising discretion to review and revise a NAAQS “earlier or more frequently” than mandated.
What happens next
The Court must decide whether to hear the case. No argument date or decision window is set.
Documents
Docket activity
New analysis added
AI analysis generated: Case Briefing
Case data updated: summary, question_presented, generation_metadata
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Case data updated: documents, description, document_url, proceeding_type
Case data updated: documents, description, document_url, proceeding_type
Case data updated: documents, description, document_url, proceeding_type
Case data updated: documents, description, document_url, proceeding_type
Case data updated: documents, description, document_url, proceeding_type
Case data updated: documents, description, document_url, proceeding_type
Case data updated: documents, description, document_url, proceeding_type
Sources
Primary materials plus reporting. Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.