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Ethylene Oxide in Utah
Ethylene Oxide (EtO) is an air toxic pollutant of emerging concern. At typical ambient concentrations, EtO is an odorless and colorless gas that is used in the sterilization of materials, such as medical equipment and spices. EtO is also an ingredient in chemical products, such as antifreeze, textiles, plastics, detergents and adhesives. EtO inhalation can…
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Smoke Management Program
Overview Utah’s smoke management program is designed to mitigate the impacts of prescribed fire on air quality, visibility, and public safety, in terms of smoke. EPA has recognized Utah’s smoke program since 1999, as part of approving the Regional Haze SIP. The program is included in the code of federal regulations. Before igniting a prescribed…
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Requirements Prior to Demolition
DEFINITION: “Demolition Project” Utah Administrative Code (UAC) defines a “Demolition Project” as the wrecking, salvage, or removal of any load-supporting structural member of a regulated facility together with any related handling operations, or the intentional burning of any regulated facility. This includes the moving of an entire building, but excludes the moving of structures, vehicles, or…
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Cleanup Certification, Dust Control, and Open Burning
Permit GuideUtah Department of Environmental Quality Cleanup Certification, Dust Control, and Open Burning Permit Guide. For more information on asbestos, lead-based paint, and general dust control during construction or demolition activities, contact the Division of Air Quality at (801) 536-4000. Are you going to demolish a building? YES: Visit Asbestos. Are you renovating a pre-1978 home? YES: Visit Lead-based Paint.…
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New Source Review Permits
Permit GuideUtah Department of Environmental Quality New Source Review Permit Guide. Approval Orders are issued by the New Source Review Section of the Division of Air Quality. They have been required for most new or modified operations since 1969. These permits may include limits on both construction and operation activities. A person must apply for an…
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Operating Permits
Permit GuideUtah Department of Environmental Quality Air Quality Operating Permit Guide. Related Links Air quality Operating Permits are issued by the Division of Air Quality Operating Permit Section, and are required by Title V of the 1990 Clean Air Act Amendments, and implemented at the federal level by 40 CFR Part 70. Any operation that has the potential to emit…
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Air Programs Related Topics
Permit GuideEnd of the Air Quality Section Next Up? Petroleum Storage Tank Programs You have completed the Water Qualtiy section of the Permit Wizard process. If you have not received an answer to all of your water quality related questions, or if you You have completed the Air Quality section of the Permit Wizard process. If…
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Point Source Emission Inventories
Frequently asked questions related to air quality annual point source emission inventories reporting in Utah. Contact Questions? Please email [email protected]
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Utah’s Inversion Season Frequently Asked Questions
Utah has great air most of the year, but during the winter we experience “inversions.” Here are the answers to some of the most frequently asked questions about Utah’s winter air quality.
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Emissions of Reactive Organics from Natural Gas-Fueled Engines
Utah State University scientists will improve estimates of the magnitude and composition of emissions from natural gas-fueled artificial lift engines in the Uinta Basin. Recent ambient air measurements have implicated natural gas-fueled engines as a large source of reactive organics, including formaldehyde, ethylene, propylene, and other compounds. The results from this project will allow Utah…
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Vertical Ozone Profiles in the Uinta Basin and Validating Drones as an Air Measurement Platform
The University of Utah will conduct vertical ozone profile measurements from ground level to the mid-stratosphere to develop a better understanding of ozone layers and evolution over Utah. Data collected by drones and balloons will provide information on the vertical distribution of ozone and nitrous dioxide (NO2) among other gases. This data will be used…
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Quantitative Attribution of Wildfires on Summertime Ozone Concentrations along the Wasatch Front
Wildfires can significantly enhance summertime ozone and aerosol concentrations, which can degrade air quality and have adverse effects on human health. While air quality has improved across much of the U.S., the Western U.S. has seen a recent increase in wildfire activity. This project will assess the contribution of regional fires and long-range smoke transport…
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Halogen Sources and their Influence on Winter Air Pollution in the Great Salt Lake Basin
The Great Salt Lake Basin is meteorologically and chemically distinct from other regions in the U.S. It is subject to both persistent cold air pools in complex terrain that lead to winter air pollution and potentially large inputs of natural and anthropogenic sources of halogen species. This project will investigate the role of these halogen…
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Winter Measurements of Heavy-duty Vehicles to Characterize the Cold Temperature Effectiveness of Selective Catalytic Reductions Catalyst in Controlling Oxide of Nitrogen Emissions
The Salt Lake City region in Utah experiences periods of high particulate levels in the winter months due to the combination of its topography, winter atmospheric inversions and local emissions. Secondary nitrate particles comprise the dominant fraction of the particles in these episodes and are the result of the reaction of oxides of nitrogen (NOx)…
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RACT (Reasonably Available Control Technology) Process Ozone SIP
Utah’s Division of Air Quality examines and requires the implementation of appropriate controls at major point sources of pollution to reduce ozone forming emissions of NOx and VOCs using a Reasonable Available Control Technologies (RACT) approach, as required by the Clean Air Act. This page provides an overview of how this process works. RACT Overview…
