#2026-03845Hava Planı Onayı; Missouri; St. Louis Uygunluk Eksikliği Bölgesinin Missouri Kısmı için 2015 8 Saatlik Ozon Standardı için Temiz Veri Belirlemesi
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Air Plan Approval; Missouri; Clean Data Determination for the 2015 8-Hour Ozone Standard for the Missouri Portion of the St. Louis Nonattainment Area. Published in the Federal Register / US official sources.
AI-generated summary. May contain errors. Refer to official sources for legal decisions.
Action
Proposed rule.
Key Changes
- Air Plan Approval; Missouri; Clean Data Determination for the 2015 8-Hour Ozone Standard for the Missouri Portion of the St. Louis Nonattainment Area
Obligations
What this law requires
Missouri Department of Natural Resources must submit Clean Data Determination (CDD) requests demonstrating achievement of the 2015 ozone NAAQS based on complete, quality-assured, and certified ambient air monitoring data for the design value period
Missouri must provide quality-assured and certified ambient air monitoring data covering the full design value period (2023-2025) to support clean data determinations
Missouri Department of Natural Resources must submit Clean Data Determination requests to EPA demonstrating attainment of the 2015 ozone NAAQS using complete, quality-assured, and certified ambient air monitoring data for the design value period
Missouri must submit exceptional events requests to EPA when claiming that ozone exceedances are due to exceptional events that should be excluded from air quality data
State of Missouri must continue monitoring and maintaining attainment of the 2015 ozone NAAQS in the Missouri portion of the St. Louis nonattainment area to preserve the suspension of certain nonattainment area planning requirements