4 The record articles

4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.

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NESHAP Extensions: A Look at Two Recent Relief Notifications

Posted: August 7th, 2025

Over the last few weeks, the United States Environmental Protection Agency (U.S. EPA) and the White House took actions related to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Coke Oven Facilities and the Hazardous Organic NESHAP, also […]

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Combustible Dust – NFPA 660 is Here

Posted: July 23rd, 2025

The National Fire Protection Association (NFPA) issued a new, consolidated standard for Combustible Dusts and Particulate Solids as NFPA 660 (effective December 6, 2024). A combustible dust is any finely divided solid material that presents a flash fire or explosion […]

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Recent Congressional Review Act (CRA) Activity

Posted: July 17th, 2025

This article is a brief update on recent developments related to Congress’s disapproval of a few Biden administration air quality-related rules. The Congressional Review Act (CRA) was passed into law in 1996 to strengthen congressional oversight of federal agencies’ rules. […]

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