Earlier this month, the District of Columbia Court of Appeals vacated most of EPA’s startup, shutdown, and malfunction SIP Call. The Court’s rationale boils down to EPA’s failure to make a predicate finding that the SIP call...more
In March 2023, the EPA issued its final Good Neighbor Plan, the last in a series of legislations designed to reduce emissions of ozone-forming nitrogen oxide (NO2) which cross state borders. Specifically, the Plan was...more
On January 6, 2023, the U.S. Environmental Protection Agency (the EPA) released a pre-publication copy of a Proposed Rule, which will lower the annual National Ambient Air Quality Standard (NAAQS) for fine particulate matter...more
EPA has finally proposed revisions to the national ambient air quality standard for PM2.5. The Administrator is proposing to lower the standard from 12.0 ug/m3 to a range of 9.0 to 10.0 ug/m3....more
The Virginia State Air Pollution Control Board (Air Board) took its first measurable step toward a change in air permitting by creating a Subcommittee on Public Participation Processes (the Subcommittee) on June 21, 2019. The...more
On April 6, 2021, more than 400 environmental non-governmental organizations (ENGOs) submitted to EPA a “Petition for Rulemaking to Remove Methane and Ethane from ‘Negligibly Reactive’ Volatile Organic Compounds List.” If...more
NEW REGULATORY DEVELOPMENTS - Federal - Maine Massachusetts New Hampshire Nothing to report STATUS OF PREVIOUSLY REPORTED RULES COMPLIANCE DEADLINES For more information, see our mobile-friendly ENViromation Center, an online...more
In recent years, the proliferation of oil and gas production, transmission, and distribution activities in the United States has led to a number of regulatory initiatives by state and federal agencies designed to manage new...more
The U.S. Environmental Protection Agency (EPA) recently proposed revising the national air quality standard for ozone, the key pollutant in smog and regional haze. EPA acknowledges that the rule will cost billions of dollars...more