Federal Register #2026-16571

EPA Proposed Approval of Missouri Air Quality Plan for St. Louis Area

This opportunity involves the Environmental Protection Agency (EPA) proposing to approve portions of Missouri's State Implementation Plan (SIP) for the St. Louis nonattainment area. - Government Buyer: - Environmental Protection Agency (EPA) - OEMs and Facilities Mentioned: - Anheuser Busch - Ameren Labadie - Ameren Sioux - Ameren Meramec - Elementis Specialties, Inc. - Products/Services Requested: - Regulatory compliance with air quality standards - Vehicle inspection and maintenance (I/M) program - Nonattainment new source review (NNSR) program - Reasonably available control technology (RACT) determinations for major sources of VOC and NOX - Unique/Notable Requirements: - Source-specific consent agreements for RACT compliance at major facilities - Focus on emissions controls and air quality compliance for both mobile and stationary sources - No procurement of goods or services; this is a regulatory approval process - Other SIP elements will be addressed separately by the EPA

Description

The Environmental Protection Agency (EPA) is proposing to approve portions of a state implementation plan (SIP) revision submitted by the State of Missouri on September 6, 2023, as meeting Clean Air Act (CAA) requirements for the 2015 8-hour ozone national ambient air quality standards (NAAQS) in the Missouri portion of the St. Louis, MO-IL bi-state nonattainment area. Specifically, the EPA is proposing approval of the submitted vehicle inspection and maintenance (I/M) program, nonattainment new source review (NNSR) program, and reasonably available control technology (RACT) determinations for major sources of volatile organic compounds (VOC) and Nitrogen Oxides (NOX) SIP elements as meeting applicable Moderate nonattainment area requirements for the 2015 8-hour ozone NAAQS. The EPA will address the remaining SIP elements in a separate action.

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