Tag: Ozone SIP

Technical Support Documentation

2021 86FR35404 Baseline Inventory Approval Boiler Rule Comments Draft 10102022 (1) ABMA Comments to Utah Division of Air Quality (1) EPA Response to Utah Designation Recommendation EPA Support Document for Response to Designation Recommendation KUC_Comments_UDAQBoilerRule-AdvRule_20221017 (1) UPA.UMA Boiler Rule Comments Final 10.17.2022 (3) Northern Wasatch Front Marginal Ozone Inventory RACT Review HEP Chevron SLMT RACT …

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Moderate Area Ozone State Implementation Plan (SIP) Development

The Moderate Ozone SIP Development is very much an iterative process. The technical foundation of any SIP involves numerous emissions inventories, air quality modeling assumptions, potential emission controls, and ever-fluctuating design values recorded throughout the air monitoring network. The Ozone Implementation Rule is very prescriptive about how these numbers must fit together to comprise an …

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Ozone Overview and Standard
Moderate Area Ozone SIP

Ozone Overview What is Ozone? Ozone in the Uinta Basin Current Air Quality Ozone is a colorless gas comprised of three oxygen atoms. It is not emitted directly into the air as a gas but is formed through a chemical reaction between nitrogen oxides (NOx) and volatile organic compounds (VOCs) in the presence of sunlight. …

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Ozone State Implementation Plan (SIP) Process
Moderate Area Ozone SIP

Overview Read about the Utah SIP Overview Within two years after setting or revising NAAQS for criteria pollutants, the EPA must designate areas as meeting (attainment) or not meeting (nonattainment) the air-quality standard. The EPA’s final designations are based on the most recent three years of air-quality monitoring data, recommendations from the state, and additional …

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Reasonably Available Control Measures (RACM) Process
Moderate Area Ozone SIP

RACM Overview Under the Clean Air Act, all areas designated Moderate nonattainment for the 2015 8-hour ozone standard are required to implement RACM for point, area, off-road, and on-road source categories. RACM applies only to those point sources not already addressed as part of a RACT analysis. RACM implementation is required to be as expeditiously …

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