Tag: Clean Air Act

Air emissions, pollution

CAA Proposal Would Target Ethylene Oxide from Chemical Facilities

In one of its few major Clean Air Act (CAA) rulemaking actions that is not deregulatory, the Trump EPA is proposing to add significant requirements to its existing National Emissions Standards for Hazardous Air Pollutants (NESHAP) for the Miscellaneous Organic Chemical Manufacturing source category. Called the MON, the existing rule covers an estimated 201 facilities […]

Chemicals, chemical tanks

More Details on the EPA’s RMP Reconsideration Rule

Facilities subject to Section 112(r) of the Clean Air Act—better known as the Risk Management Program (RMP)—won a significant deregulatory victory with the EPA’s issuance of its RMP Reconsideration Rule. The Reconsideration Rule rescinds major portions of the RMP Amendments Rule the Obama EPA issued in January 2017.

Oil refinery

Revisions for Flaring Proposed for Ethylene Production Facilities

Following its Clean Air Act (CAA) Section 112 Residual Risk and Technology Review (RTR) of the 2002 and 2005 National Emissions Standards for Hazardous Air Pollutants (NESHAP) for the Ethylene Production source category, the EPA is proposing significant revisions for flaring at these facilities.

Oil Refinery

EPA’s Controversial O&G Methane Proposal

Seven years after the Obama administration issued major amendments to Clean Air Act (CAA) New Source Performance Standards (NSPS) affecting the oil and gas (O&G) sector and 3 years after it issued another set of amendments, the EPA is proposing to rescind substantial parts of both actions. First, the Agency wants to remove O&G storage […]

2015 Ozone Primary NAAQS Upheld by D.C. Circuit

Two challenges filed from opposite directions against the EPA’s 2015 primary or health-based National Ambient Air Quality Standards (NAAQS) for Ozone were denied by a panel of the U.S. Court of Appeals for the D.C. Circuit. At one end, environmental and health advocacy groups argued that the standard was insufficiently protective of children. At the […]

Emissions, Clean Air Act

Court Says EPA Memo on HAPs Not a ‘Final Action’

In a majority opinion, the U.S. Court of Appeals for the D.C. Circuit dismissed a petition from the state of California and environmental groups to have the court review the legality of a memo William L. Wehrum, the assistant administrator for the EPA’s Office of Air and Radiation, issued to all Regional Air Division directors.

Prescribed burn

How Recurring Prescribed Fires Fit into the NAAQS

The EPA’s Office of Air Quality Planning and Standards recently issued guidance on how information on prescribed fires on wildland may be factored into exceptional events demonstrations required by Section 319(b) of the Clean Air Act (CAA). If the Agency accepts a state’s exceptional event demonstration, air pollution resulting from the event is excluded from […]