4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
U.S. EPA Proposes Revisions to the Secondary NAAQS
Posted: April 17th, 2024
On April 11, 2024 the United States Environmental Protection Agency (U.S. EPA) issued its proposed revisions to the secondary National Ambient Air Quality Standards (NAAQS). The relatively minor proposed changes, published in the Federal Register on April 15, 2024, only […]
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Finalized Amendments to NESHAP for Commercial Sterilization Facilities
Posted: April 17th, 2024
The U.S. Environmental Protection Agency (U.S. EPA) has finalized revisions to 40 CFR Part 63, Subpart O – Ethylene Oxide Emissions Standards for Sterilization Facilities (Subpart O) following its residual risk and technology review (RTR). Amendments were initially proposed on […]
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Electric and Hybrid Vehicle Battery Management Act
Posted: April 11th, 2024
New Jersey passed the Electric and Hybrid Vehicle Management Act (EHVM Act) on January 8, 2024. This extended producer responsibility (EPR) law imposes restrictions on propulsion battery collection and disposal starting on January 8, 2027. The legislation requires that propulsion […]
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Sink or Swim, the Clean Water Act Hazardous Substance Worst Case Discharge Planning Regulations are live!
Posted: April 10th, 2024
On March 28, 2024, the U.S. Environmental Protection Agency (EPA) published in the Federal Register the final Clean Water Act (CWA) Hazardous Substances Facility Response Plans (FRP) regulation under 40 CFR 118. What does it mean? A non-transportation related, onshore […]
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OSHA Walkaround Rule Change
Posted: April 9th, 2024
Will the OSHA workplace inspection process change? It does appear that changes are on the horizon. On August 30, 2023, the Occupational Safety and Health Administration (OSHA) published in the Federal Register a notice of proposed rulemaking (NPRM) titled “Worker […]
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PFAS Now in Ambient Air and a Vapor Intrusion Risk?
Posted: April 4th, 2024
Vapor Intrusion (VI) is the process in which contaminants in subsurface soil or water migrate upwards into the ambient air. This poses a risk to indoor air quality in buildings which have been constructed over contaminated sites. The most common […]
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Updates on New York’s Climate Leadership and Community Protection Act (CLCPA)
Posted: April 3rd, 2024
Introduction The Climate Leadership and Community Protection Act (CLCPA) of New York State, effective since January 1, 2020, stands as a landmark legislation mandating substantial reductions in greenhouse gas (GHG) emissions within the state. Envisioned to combat climate change and […]
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Ambient Air Monitoring: Where Are We Headed?
Posted: April 2nd, 2024
We have seen a flurry of activity lately from the United States Environmental Protection Agency (U.S. EPA), including several rules that have ambient air monitoring implications. U.S. EPA recently lowered the annual National Ambient Air Quality Standard (NAAQS) for particulate […]
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Final Reconsideration Rules for Chemicals and Refineries
Posted: March 28th, 2024
The U.S. Environmental Protection Agency (U.S. EPA) is finalizing changes to petroleum and chemical sector rules in response to petitions for reconsideration following recent risk and technology review (RTR) rulemakings. These rules include the National Emission Standards for Hazardous Air […]
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New Approved PFAS Testing Methods
Posted: March 27th, 2024
As a follow up to our 2024 PFAS Look Ahead, the U.S. Environmental Protection Agency (EPA) Office of Water published Methods 1633 and 1621 in January. In the past, Method 537.1 has been modified to meet analytical needs. With the […]
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