Federal Register #EPA-R01-OAR-2025-1311

EPA Approves Connecticut's Revised Ozone Standard and VOC Calculation Methods for Adhesives/Sealants

This action involves the Environmental Protection Agency (EPA) approving a revision to Connecticut's State Implementation Plan (SIP) for air quality standards. - Government Buyer: - Environmental Protection Agency (EPA) - State of Connecticut (Department of Energy and Environmental Protection) - No OEMs or commercial vendors are involved, as this is a regulatory approval, not a procurement. - Products/Services Requested: - No products or services are being procured; the action updates regulatory standards. - Notable Requirements: - Connecticut's ambient air quality standard (AAQS) for ozone is updated to match the EPA's national standard (0.070 parts per million). - Clarifies calculation methods for volatile organic compounds (VOC) in adhesives and sealants, referencing model rule provisions and technical standards. - Regulatory changes affect RCSA sections 22a-174-24 (ozone standard) and 22a-174-44 (adhesives and sealants compliance procedures and test methods). - Action is federally enforceable under the Clean Air Act.

Description

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Connecticut. This revision revises the Connecticut ambient air quality standard (AAQS) for ozone to be consistent with EPA's national ambient air quality standard (NAAQS) for ozone and clarifies the volatile organic compound (VOC) calculation methods of adhesive and sealant products. The intended effect of this action is to approve these regulations into the Connecticut SIP. This action is being taken in accordance with the Clean Air Act and is effective from July 13, 2026.

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