Vapor Intrusion Mitigation Barriers – Bigger Might be Better, But Is It Necessary?
Posted: April 2022
Vapor intrusion (VI) occurs when vapor-forming chemicals migrate from a subsurface source (e.g., contaminated soil or groundwater) into an overlying building, causing a potential human health exposure risk. When VI is suspected or confirmed, the primary method of mitigating the […]
Read MoreSo You’ve Built Your Data Center – Now What?
Posted: April 2022
WHAT’S THE WEBINAR ABOUT? In this fourth webinar of our Data Center series, we will cover on-going environmental requirements for a data center once it becomes operational. This session will present common environmental compliance items for facility personnel once the construction […]
Read MoreU.S. EPA Proposes Expanded CSAPR FIP to Include Non-EGU NOX Sources
Posted: March 2022
The U.S. Environmental Protection Agency (U.S. EPA) has signed a proposed Federal Implementation Plan (FIP) for 25 states for which it has not approved an ozone transport State Implementation Plan (SIP) for the 2015 ozone National Ambient Air Quality Standards […]
Read MoreEnvironmental Justice Update 2022: Turning Words Into Action
Posted: March 2022
WHAT’S THE WEBINAR ABOUT? Environmental Justice continues to be the focal point of the Biden Administration’s environmental policy, permeating every aspect of the administration’s initiatives and policy decisions. While 2021 saw a lot of talk and building momentum around environmental […]
Read MoreHow Will PADEP’s Updated PAG-03 General Permit Affect My Facility?
Posted: March 2022
The Pennsylvania Department of Environmental Protection (PADEP) announced on September 18, 2021 that the existing industrial stormwater NPDES general permit (PAG-03), which was due to expire on September 23, 2021, was being administratively extended until September 23, 2022 while PADEP […]
Read MoreGovernor Cooper Signs Executive Order 246 Confirming North Carolina’s Transition to a Cleaner Energy Economy
Posted: March 2022
On January 7, 2022, North Carolina Governor Roy Cooper signed Executive Order No. 246 (EO246), affirming North Carolina’s commitment to a cleaner energy economy and providing the state’s plan to achieve net-zero greenhouse gas emissions and generate economic opportunities across […]
Read MoreUpcoming Changes to ECMPS – ECMPS 2.0
Posted: February 2022
The Clean Air Markets Division (CAMD) is replacing the Emission Collection and Monitoring Plan System (ECMPS) with a new web-based platform – ECMPS 2.0. This transition is part of U.S. ongoing efforts to reengineer the CAMD Business Suite of tools […]
Read More2022 Look Ahead – Part 4
Posted: January 2022
The 2022 Look Ahead is a multi-part series consisting of 20 articles to celebrate ALL4’s 20th anniversary. View Part 1 View Part 2 View Part 3 Looking Ahead to The Future of Air Quality Compliance // Roy […]
Read More2022 Look Ahead – Part 3
Posted: January 2022
The 2022 Look Ahead is a multi-part series consisting of 20 articles to celebrate ALL4’s 20th anniversary. View Part 1 View Part 2 Air Toxics Look Ahead // Amy Marshall There are many things going on in the world of […]
Read More2022 Look Ahead – Part 2
Posted: January 2022
The 2022 Look Ahead is a multi-part series consisting of 20 articles to celebrate ALL4’s 20th anniversary. View Part 1 Toxics Release Inventory (TRI) – How to Prepare for 2022 Recordkeeping and Reporting // Sheryl Watkins Since its creation in […]
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