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 […]
Read article
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 […]
Read article
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 […]
Read article
U.S. EPA Issues Supplemental Proposal to Oil and Natural Gas Sector Methane and VOC Rules
Posted: January 4th, 2023
On December 06, 2022, the U.S. Environmental Protection Agency (U.S. EPA) released a supplement to its proposed rule from November 15, 2021 which amended existing New Source Performance Standards (NSPS) for Crude Oil and Natural Gas Facilities (40 CFR Part […]
Read article
U.S. EPA Proposes to Remove TRI De Minimis Exemption for PFAS
Posted: December 15th, 2022
On December 5, 2022, U.S. Environmental Protection Agency (U.S. EPA) released a proposed rule pursuant to the National Defense Authorization Act (NDAA) for Fiscal Year 2020 which adds per- and polyfluoroalkyl substances (PFAS) to the list of “Lower Thresholds for […]
Read articleBig Changes for California Annual Emissions Report Starting in 2023
Posted: December 14th, 2022
Recent changes to California’s Criteria Air Pollutants and Toxic Air Contaminants Reporting (CTR) requirements, which were designed to establish a uniform system for reporting annual emissions data and collect more data from stationary sources, are set to start phasing in […]
Read article
The State of Georgia State Implementation Plan (SIP) Startup, Shutdown, and Malfunction Policy Disapproval
Posted: December 14th, 2022
Introduction In early 2013, the United States Environmental Protection Agency (U.S. EPA) reviewed each State Implementation Plan (SIP) policy regarding excess emissions during startup, shutdown, and malfunction (SSM) events. The goal was to determine if the SIP portions dealing with […]
Read article
Distillery Discharges and Local Wastewater Permitting Concerns
Posted: September 6th, 2022
A new distillery project requires significant planning: a suitable site must be found, design consultants must be engaged, and environmental permits must be obtained. When considering permitting requirements, Clean Air Act, Clean Water Act, and United States (U.S.) Army Corps […]
Read article
PA’s Environmental Quality Board Approves RACT III
Posted: August 16th, 2022
On August 9, 2022, Pennsylvania’s Environmental Quality Board (EQB) voted to approve the final form rule known as “RACT III” [25 Pa. Code §§ 129.111-129.115, Additional RACT Requirements for Major Sources of NOX and VOCs for the 2015 Ozone NAAQS]. […]
Read article
U.S. EPA Finalizes Changes to Boiler MACT
Posted: July 25th, 2022
The National Emission Standards for Hazardous Air Pollutants (NESHAP) for Industrial, Commercial, and Institutional Boilers and Process Heaters, which implements Maximum Achievable Control Technology (MACT) standards and is therefore also known as Boiler MACT, were promulgated on March 21, 2011, […]
Read article