Air Quality Permitting

New Source Review (NSR) – What to Expect in 2023

Posted: January 26th, 2023

If you have not already noticed, NSR is a fairly common air quality topic in ALL4’s annual Look Ahead series of articles and in our 4 The Record blog posts, and with good reason.  The NSR air permit program, consisting […]

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ALL4’s Texas 2023 Look Ahead

Posted: January 25th, 2023

The new year is upon us, and ALL4 is looking forward to the changes and challenges it will bring. Whether the concerns are related to air, water, waste, or health and safety, we are here to assist and find solutions […]

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How Do I Know if My Project Needs an Air Permit?

Posted: October 19th, 2022

There is not a whole lot that is black and white about air quality permitting.  It can sometimes be hard to determine whether you need to submit an air permit application for a project and if so, what kind.  The […]

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PA’s Environmental Quality Board Approves RACT III

Posted: August 16th, 2022

On August 9, 2022, Pennsylvania’s Environmental Quality Board (EQB) voted to approve the final form rule known as “RACT III” [25 Pa. Code §§ 129.111-129.115, Additional RACT Requirements for Major Sources of NOX and VOCs for the 2015 Ozone NAAQS]. […]

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Ambient Air Quality Regulatory Changes are Coming

Posted: July 12th, 2022

The Clean Air Act (CAA) authorizes the United States Environmental Protection Agency (U.S. EPA) to establish National Ambient Air Quality Standards (NAAQS) for certain air pollutants.  The rules and regulations that implement the NAAQS are the foundation of State air […]

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Ozone Nonattainment: Impact to Air Permitting

Posted: May 9th, 2022

Under the Clean Air Act (CAA), the U.S. Environmental Protection Agency (U.S. EPA) sets National Ambient Air Quality Standards (NAAQS) for pollutants considered harmful to public health and the environment. A geographical area (which can vary from a partial county […]

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ALL4’s Texas 2022 Look Ahead

Posted: January 18th, 2022

Is it just us, or did time fly?  While we ended 2021 with COVID still around us, it’s unclear if we are heading into 2022 or 2020-too… I am hoping for a year of lifting mandates and a return to […]

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