4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
Proposed Changes to Storage Tanks New Source Performance Standards
Posted: October 19th, 2023
The U.S. Environmental Protection Agency (U.S. EPA) recently proposed changes to the “Standards of Performance for Volatile Organic Liquid Storage Vessels (Including Petroleum Storage Vessels).” These changes to the New Source Performance Standards (NSPS) include proposed revisions to 40 CFR […]
Read article
Preparing for HON: Lessons Learned from Recent Petrochemical Rulemaking
Posted: October 19th, 2023
On April 25, 2023, the U.S. Environmental Protection Agency (U.S. EPA) proposed revisions to several National Emission Standards for Hazardous Air Pollutants (NESHAP), including 40 CFR Part 63, Subparts F, G, H, and I (referred to as the Hazardous Organic […]
Read articleAdvancing Environmental Justice: New Jersey’s Approach to Addressing Cumulative Stressors
Posted: October 16th, 2023
Advancing Environmental Justice: New Jersey’s Approach to Addressing Cumulative Stressors On April 17, 2023, the final Environmental Justice (EJ) Rule (N.J.A.C. 7:1C) officially became effective in New Jersey (NJ). The overall goal of this EJ Rule is to avoid disproportionate […]
Read articleHow the U.S. EPA’s New Methylene Chloride Regulations May Affect You.
Posted: October 12th, 2023
Methylene chloride (MC), a chemical commonly used as a solvent for surface refinishing and in the production of pharmaceuticals and refrigerants, is set to be banned by the U.S. Environmental Protection Agency (U.S. EPA) for most uses. Products containing MC […]
Read article
U.S. EPA’s New List of Enforcement Priorities
Posted: October 9th, 2023
Introduction Every four years, the U.S. Environmental Protection Agency (U.S. EPA) Office of Enforcement and Compliance Assurance (OECA) creates a list of National Enforcement and Compliance Initiatives (NECI). These NECIs are a list of items the OECA intends to focus […]
Read article
Highlights of Environmental Regulatory Updates from the 2023 North Carolina Budget Conference Report
Posted: October 9th, 2023
On September 22, 2023, the North Carolina Budget (NC Budget) conference report was passed in the NC House and Senate. Although the 2023-2024 NC Budget encompasses a multitude of provisions covering a range of topics, important highlights include updates on […]
Read article
Lead and Copper Rule Revision: Service Line Inventory-ARE YOU READY?
Posted: October 4th, 2023
Since the United States Environmental Protection Agency (U.S. EPA) created the Lead and Copper Rule (LCR) in 1991, there have been many changes and updates to the rule. The most recent change is the 2021 Lead and Copper Revisions (LCRR). […]
Read article
Data Quality Part 6: What Have We Learned
Posted: October 4th, 2023
We’ve made it through 5 articles in this series (with a bunch of stories and analogies along the way). We started this journey with this sentence: Defining data quality, and implementing a data quality program, furthers the goal that […]
Read article
U.S. EPA Proposes Changes to Rules on Reclassification of Major Sources
Posted: October 3rd, 2023
The Clean Air Act (CAA) defines a major source of hazardous air pollutant (HAP) emissions as one that has the potential to emit (PTE) 10 tons per year (tpy) or more of any single HAP or 25 tpy or more […]
Read article
Combustible Dust: A Hidden Hazard
Posted: October 2nd, 2023
In many industries, safety concerns revolve around visible hazards such as machinery, chemicals, and fire. However, there’s a lesser-known danger that can lead to catastrophic incidents: combustible dust. This seemingly innocuous substance, often formed during various processes, has the potential […]
Read article