
4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
New Stormwater Permit to Impact The Los Angeles And Los Alamitos Area
Posted: October 16th, 2025
The Los Angeles Regional Water Board (LA Water Board) has issued a revised draft General National Pollutant Discharge Elimination System (NPDES) permit (Permit) that will cover stormwater discharges from certain privately owned commercial, industrial, and institutional (CII) sites within two […]
Read articleEU Delays CSRD Sustainability Reporting Standards for Non-EU Companies: What It Means for Your Organization
Posted: October 16th, 2025
The European Commission (EC) recently announced a delay in the adoption of the European Sustainability Reporting Standards (ESRS) for non-European Union (EU) companies under the Corporate Sustainability Reporting Directive (CSRD). This decision, part of the EC’s broader simplification agenda, has […]
Read articleSunsetting Paper Manifests – Is It Finally Happening?
Posted: October 13th, 2025
The Hazardous Waste Electronic Manifest Establishment Act (e-Manifest Act) was signed into law over 13 years ago in October 2012. However, the United States Environmental Protection Agency (U.S. EPA) reports that over 99.5% of the over two million manifests received […]
Read articleD.C Circuit Court Restores Title V Affirmative Defense
Posted: October 9th, 2025
In a September 5, 2025 decision, the D.C. Circuit reinstated the affirmative defense provisions under Title V operating permits. The court found that the July 1, 2023 rule, which removed the affirmative defense provisions from Title V permits, was arbitrary […]
Read articleNovel Approach Included in U.S. EPA’s Recent Secondary Lead Smelting Proposal
Posted: October 9th, 2025
On October 1, 2025, the U.S. Environmental Protection Agency (U.S. EPA) proposed amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for the Secondary Lead Smelting source category (40 CFR Part 63, Subpart X). The proposal addresses multiple […]
Read articleRecent Electronic Reporting Updates
Posted: October 9th, 2025
Stay up-to-date with the latest changes to the United States Environmental Protection Agency’s (U.S. EPA) Compliance and Emissions Data Reporting Interface (CEDRI) and the Electronic Reporting Tool (ERT). The following updates are important to keep in mind as you submit […]
Read articleALL4 at the 2025 NCASI Annual Conference
Posted: October 2nd, 2025
Nine of us from ALL4 attended the 2025 NCASI Annual Conference this week in Atlanta, GA. NCASI is a technical association that serves the forest products industry by providing scientific research and technical information necessary to achieve the industry’s environmental […]
Read articleRecent New Source Review Guidance Updates
Posted: October 2nd, 2025
In September 2025, the U.S. Environmental Protection Agency (U.S. EPA) issued three new guidance memoranda on New Source Review (NSR) topics: begin actual construction, projected actual emissions, and reactivation. The three memos are posted on U.S. EPA’s NSR policy and […]
Read articleSCAQMD Rule 1157 – Particulate Standards for Aggregate and Related Operations
Posted: September 25th, 2025
South Coast Air Quality Management District (SCAQMD) of California adopted Rule 1157 in 2005 and amended it in 2008, with the purpose of reducing PM10 emissions from aggregate and related operations. The rule defines “aggregate operations” as operations that produce […]
Read articleU.S. EPA’s Proposed Reconsideration of the GHGRP
Posted: September 25th, 2025
On September 16, 2025 the United States Environmental Protection Agency (U.S. EPA) published a proposed rule to Reconsider the Greenhouse Gas (GHG) Reporting Program (GHGRP) under Docket No. EPA-HQ-OAR-2025-0186. The proposed rule will remove most of the reporting requirements for […]
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