U.S. EPA Finalizes Changes to Boiler MACT
Posted: July 25th, 2022
The National Emission Standards for Hazardous Air Pollutants (NESHAP) for Industrial, Commercial, and Institutional Boilers and Process Heaters, which implements Maximum Achievable Control Technology (MACT) standards and is therefore also known as Boiler MACT, were promulgated on March 21, 2011, […]
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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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Will Agencies Regulate Air Emissions from Pyrolysis and Gasification Units Like they Regulate Air Emissions from Combustion Units?
Posted: May 9th, 2022
Most people are familiar with combustion in some form or another. Whether it’s a campfire used to roast marshmallows, the oil burner used to heat your house on a cold winter day, or the engine that powers your car, combustion […]
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Ethylene Oxide Update
Posted: April 5th, 2022
UPDATE May 31, 2022: Following U.S. EPA’s nationwide 2021 and 2022 Information Collection Requests (ICR) sent to facilities that use or process ethylene oxide, U.S. EPA is looking to take action on emissions, emissions sources, processes, and control technologies. Based […]
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U.S. EPA Proposes Expanded CSAPR FIP to Include Non-EGU NOX Sources
Posted: March 24th, 2022
The U.S. Environmental Protection Agency (U.S. EPA) has signed a proposed Federal Implementation Plan (FIP) for 25 states for which it has not approved an ozone transport State Implementation Plan (SIP) for the 2015 ozone National Ambient Air Quality Standards […]
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What’s New with MATS?
Posted: March 10th, 2022
On February 9th, the U.S. Environmental Protection Agency (U.S. EPA) published a proposed finding related to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Coal- and Oil-Fired Electric Generating Units (EGUs), commonly known as the Mercury and Air […]
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U.S. EPA is Lifting the Stay on Formaldehyde Limits for New Gas Turbines at Major Sources
Posted: March 8th, 2022
The National Emission Standards for Hazardous Air Pollutants (NESHAP) for Stationary Combustion Turbines was originally promulgated in 2004 at 40 CFR Part 63, Subpart YYYY. The rule covers stationary combustion turbines located at major sources of hazardous air pollutants (HAP) […]
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U.S. EPA Proposes Denial of NHSM Rulemaking Petition: A Summary and What This Means For Your Facility
Posted: February 22nd, 2022
On January 28, 2022, U.S. EPA published a proposed response to a rulemaking petition received on December 7, 2018 from the American Forest and Paper Association (AF&PA), Association of American Railroads (AAR), Treated Wood Council (TWC), American Short Line and […]
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Upcoming Updates to Philadelphia’s Air Toxics Regulations
Posted: February 15th, 2022
Philadelphia’s Air Management Services (AMS) intends to propose revisions to Air Management Regulation (AMR) VI concerning the control of emissions of toxic air contaminants, or air toxics. AMR VI was first approved and promulgated in 1981 and has not undergone […]
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State-Specific Considerations for SPCC Plans in Pennsylvania
Posted: January 24th, 2022
This blog is part of a series that will cover key state-specific requirements for petroleum containing aboveground storage tanks (ASTs) with respect to Spill Prevention, Control, and Countermeasure (SPCC) compliance with 40 CFR Part 112.7(j). In this edition, I will […]
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