New U.S. Environmental Protection Agency (EPA) air quality standards and pollution migrating from upwind states will impact growth and development in southeastern Wisconsin, beginning on January 16, 2025....more
On January 6, 2023, the U.S. Environmental Protection Agency (EPA) issued a proposed rule to lower the primary National Ambient Air Quality Standard (NAAQS) for fine/inhalable particulate matter (PM2.5). These proposed...more
On December 20, 2022, the U.S. Environmental Protection Agency (“EPA”) finalized new emission standards for heavy-duty highway vehicles and engines, including heavy-duty trucks and other vocational vehicles such as fire...more
In a somewhat surprising decision issued at the end of 2020, U.S. EPA ruled that Section 112(r)(1) of the Clean Air Act, better known as the “General Duty Clause,” requires facilities to implement the latest industry...more
U.S. EPA’s final rule reversing its 25 year old hazardous air pollutant “once in/always in” policy will soon be published in the Federal Register and will become effective 60 days thereafter. While first announced in a...more
Oilfield operators of every size have been busy implementing the Obama Administration’s labor-intensive requirements to detect and repair vapor leaks from well site equipment, often called the Quad Oa requirements, in...more
In a major change in air permitting policy, on January 25, 2018 U.S. EPA reversed its longstanding “once in, always in” policy governing what sources are subject to major source regulations for the emissions of air toxics...more