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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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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2022 Look Ahead – Part 2
Posted: January 12th, 2022
The 2022 Look Ahead is a multi-part series consisting of 20 articles to celebrate ALL4’s 20th anniversary. View Part 1 Toxics Release Inventory (TRI) – How to Prepare for 2022 Recordkeeping and Reporting // Sheryl Watkins Since its creation in […]
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Louisville Metro Air Pollution Control District Draft Amendments to Regulations 1.06, 1.15, 2.04, and 2.17
Posted: December 16th, 2021
The Louisville Metro Air Pollution Control District (LMAPCD or District) published an announcement on November 17, 2021 that there would be a Policy Committee meeting to discuss the draft amendments to the following regulations: Regulation 1.06: Stationary Source […]
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Subpart OOOOa and the Congressional Review Act
Posted: October 28th, 2021
The U.S. EPA promulgated two separate revisions to 40 CFR Part 60, Subpart OOOOa – Standards of Performance for Crude Oil and Natural Gas Facilities for which Construction, Modification or Reconstruction Commenced After September 18, 2015 (NSPS OOOOa) in September […]
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U.S. EPA Reverses Reversal of 2015 SSM SIP Policy
Posted: October 28th, 2021
On October 9, 2020, the U.S. Environmental Protection Agency (U.S. EPA) issued a guidance memorandum regarding a change in policy for certain startup, shutdown, and malfunction (SSM) provisions in State Implementation Plans (SIPs) pursuant to the Clean Air Act (CAA). […]
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Refrigerant Rules: Still Not the Final Chapter
Posted: October 11th, 2021
Earlier this summer, ALL4 mentioned that the first Federal rule under the bipartisan approved American Innovation and Manufacturing (AIM) Act of 2020 was to be promulgated this year, which will initiate the U.S.’ domestic approach for a phasedown of hydrofluorocarbons […]
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