Federal Register #EPA-R05-OAR-2025-0169

EPA Approval of Wisconsin's Ozone Attainment Plan Elements

This opportunity involves the United States Environmental Protection Agency (EPA), Region 5, approving portions of Wisconsin's State Implementation Plan (SIP) for the 2015 ozone National Ambient Air Quality Standard (NAAQS) Moderate nonattainment areas. - Government Buyer: - United States Environmental Protection Agency (EPA), Region 5 - Scope of Approval: - Wisconsin portion of the Chicago, Illinois-Indiana-Wisconsin area (Kenosha County) - Milwaukee area - Sheboygan County area - Approved Plan Elements: - Reasonable Further Progress (RFP) demonstration - Motor vehicle emissions budgets for 2023 - Motor vehicle inspection and maintenance (I/M) program - Nonattainment new source review (NNSR) program - Base year emissions inventory (satisfying Marginal area requirements) - Notable Requirements: - EPA found the 2023 Budgets for these areas adequate - No specific OEMs or vendors are involved, as this is a regulatory approval - Context: - This approval is part of EPA's ongoing efforts to ensure air quality standards are met in nonattainment areas - No procurement of products or services is involved in this action

Description

The U.S. Environmental Protection Agency (EPA) is approving portions of Wisconsin's 2015 ozone National Ambient Air Quality Standard (NAAQS) Moderate nonattainment area State Implementation Plan (SIP) submission for the Wisconsin portion of the Chicago, Illinois-Indiana-Wisconsin area (Kenosha County), the Milwaukee, Wisconsin area, and the Sheboygan County, Wisconsin area. The approved elements include the reasonable further progress (RFP) demonstration and associated motor vehicle emissions budgets for 2023, the motor vehicle inspection and maintenance (I/M) program, and the nonattainment new source review (NNSR) program. The EPA is also approving the base year emissions inventory as satisfying previous Marginal area requirements and is finding adequate and approving the Budgets for these areas. The EPA proposed this action on April 2, 2026, and received no adverse comments.

View original listing