4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
2026 Water Look Ahead
Posted: January 14th, 2026
Author: Lizzie Smith We’ve seen some movement from the United States Environmental Protection Agency (U.S. EPA) on several fronts as 2025 came to a close, though at the time of this publication we are still waiting on the Fall 2025 […]
Read article2026 Air Quality Look Ahead
Posted: January 14th, 2026
Author: Amy Marshall While 2025 brought a new administration and changes to how the United States Environmental Protection Agency (U.S. EPA) approaches air quality regulation and policy, we expect to see even more air quality regulatory activity in 2026. The […]
Read articleSCAQMD Permitting 101: What Industrial Facilities Need to Know (and Do) Before They Apply
Posted: January 8th, 2026
Author: Kelvin Lu In our previous 4 The Record article on the South Coast Air Quality Management District (SCAQMD), we introduced who they are and what they do. This article expands on the process of obtaining an air quality permit […]
Read articleProposed Amendments to NESHAP EEE – Hazardous Waste Combustor MACT
Posted: January 8th, 2026
Author: Peyton Rodgers The U.S. Environmental Protection Agency (U.S. EPA) proposed revisions to the National Emission Standards for Hazardous Air Pollutants (NESHAP) from Hazardous Waste Combustors (HWC MACT) (40 CFR Part 63, Subpart EEE) in the Federal Register on November […]
Read articleU.S. EPA Finalizes Oil and Gas Compliance Deadline Extension
Posted: January 8th, 2026
Author: Ashley Brooks Revisiting Our Previous Update In our earlier blog post, U.S. EPA Extends Compliance Deadlines for Oil and Natural Gas Sector, we discussed the interim final rule (IFR) issued in July 2025 that provided temporary compliance relief under […]
Read articleU.S. EPA Seeks Public Comment on Updated Draft Formaldehyde Risk Calculation Memorandum to Inform Risk Evaluation under the Toxic Substance Control Act
Posted: January 8th, 2026
Author: Stewart McCollam On December 3, 2025, the United States Environmental Protection Agency (U.S. EPA or Agency) announced availability of and solicitation for public comment on an Updated Draft Risk Calculation Memorandum (Risk Calculation Memo) for formaldehyde (HCHO) under the […]
Read articleU.S. Army Corps of Engineers Expedites Clean Water Act Section 404 Dredge-and-Fill Permit For Line 5 Oil Pipeline
Posted: December 18th, 2025
The U.S. Army Corps of Engineers (USACE), St. Paul District in Minnesota recently issued a controversial Clean Water Act (CWA) Section 404 Dredge-and-Fill individual permit on October 29, 2025, to Enbridge Inc. for the construction-related impacts to Waters of the […]
Read articleNew York Finalizes the Mandatory GHG Reporting Rule – 6 NYCRR Part 253
Posted: December 18th, 2025
On December 1, 2025, the New York State Department of Environmental Conservation (NYSDEC) finalized 6 NYCRR Part 253: Mandatory Greenhouse Gas Reporting Program (Reporting Program or Part 253). From April to July of 2025 NYSDEC received over 3,000 comments and […]
Read articleProposed Revisions to the TSCA PFAS Reporting Requirements
Posted: December 18th, 2025
On November 10, 2025, the United States Environmental Protection Agency (U.S. EPA) released proposed changes to the scope of Section 8(a)(7) of the Toxic Substances Control Act (TSCA) that require manufacturers and importers of certain per- and polyfluoroalkyl substances (PFAS) […]
Read articleProposed Update to Definition of Waters of the United States
Posted: December 18th, 2025
On November 20, 2025, the U.S. Environmental Protection Agency (U.S. EPA) and the U.S. Army Corps of Engineers (USACE) published a proposed rule to update the definition of Waters of the United States (WOTUS). WOTUS is a key definition because […]
Read article