11 Sep 2025

🌫️EPA Proposes Updated VOC Regulations Affecting Maricopa Businesses

Air Plan Revisions; Arizona; Maricopa County Air Quality Department; Volatile Organic Compounds; Solvent Cleaning

Summary

The Environmental Protection Agency (EPA) is proposing to approve revisions to the Maricopa County Air Quality Department (MCAQD) portion of the Arizona State Implementation Plan (SIP). These revisions concern rules that regulate volatile organic compounds (VOC) emissions from solvent cleaning operations. We are proposing to approve the revisions under the Clean Air Act (CAA or "Act"). We are taking comments on this proposal and plan to follow with a final action.

Agencies

  • Environmental Protection Agency

Business Impact ?

$$ - Med

The proposed rule by the EPA affects businesses that utilize solvent cleaning operations, imposing new compliance requirements regarding VOC emissions. Business owners in the Maricopa County area will need to adapt their practices to meet stricter emissions standards under Rule 331, which could incur costs for compliance measures.

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