4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
New Source Review (NSR) – What to Expect in 2023
Posted: January 26th, 2023
If you have not already noticed, NSR is a fairly common air quality topic in ALL4’s annual Look Ahead series of articles and in our 4 The Record blog posts, and with good reason. The NSR air permit program, consisting […]
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Recent Changes Proposed to the Refrigerant Rules
Posted: January 26th, 2023
The American Innovation and Manufacturing (AIM) act was enacted by Congress on December 27, 2020 to direct the U.S. Environmental Protection Agency (U.S. EPA) to curtail and restrict the use of hydrofluorocarbons (HFCs) by 85% in the United States by […]
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ALL4’s Texas 2023 Look Ahead
Posted: January 25th, 2023
The new year is upon us, and ALL4 is looking forward to the changes and challenges it will bring. Whether the concerns are related to air, water, waste, or health and safety, we are here to assist and find solutions […]
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The New PAG-03 Has Arrived!
Posted: January 20th, 2023
The Pennsylvania Department of Environmental Protection (PADEP) has published the updated PAG-03 Authorization to Discharge Under the National Pollutant Discharge Elimination System (NPDES) General Permit for Discharges of Stormwater Associated with Industrial Activity, as announced in the Pennsylvania Bulletin on December […]
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Looking Ahead to Maximum Achievable Control Technology (MACT) Rules Updates
Posted: January 19th, 2023
The U.S. Environmental Protection Agency (U.S. EPA) is currently working on several rulemakings under 40 CFR Part 63, National Emission Standards for Hazardous Air Pollutants (NESHAP). For many of these rulemakings, U.S. EPA is under a court-ordered deadline to finalize […]
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Look Ahead: Water Regulations and Guidelines in 2023
Posted: January 19th, 2023
The poet Samuel Taylor Coleridge coined the phrase “Water, water everywhere, nor any drop to drink” in the poem The Rime of the Ancient Mariner. In recent years we have seen regulations and legal challenges that have left industry feeling […]
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Looking Ahead to More PFAS Air Emissions Source Testing
Posted: January 19th, 2023
PFAS (per- and polyfluoroalkyl substances) are a group of synthetic chemicals that are resistant to heat, water, and oil. They are used in a wide range of products, including aqueous film-forming foams used for firefighting, nonstick cookware, lubricants, food packaging, […]
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Buy-side or Sell-side, Quantifying ESG Risks and Opportunities Creates Value in 2023 and Beyond
Posted: January 19th, 2023
When asked the question, “What factors impact my company’s value?”, the historical response from the C-suite would focus on the business fundamentals of the company: predicted growth and margin, cash distributions to shareholders, debt-to-equity ratios, and economic conditions and volatility […]
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Environmental Justice: Looking Ahead to 2023
Posted: January 12th, 2023
If 2021 was the year of planning discussions and a lot of talk related to environmental justice (EJ), 2022 was the year where those plans began to be put into action. In 2022, we saw documents on how to enforce […]
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PM2.5 Annual NAAQS Proposed to be Lowered
Posted: January 11th, 2023
After completing the White House Office of Management and Budget (OMB) review on December 27, 2022, the much anticipated proposal to lower the annual particulate matter of less than 2.5 microns (PM2.5) National Ambient Air Quality Standard (NAAQS) was officially […]
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