Air Quality

EPA Publishes 29th Annual U.S. Greenhouse Gas Inventory

Posted: June 15th, 2022

In April 2022, the United States Environmental Protection Agency (U.S. EPA) released the 29th annual Inventory of U.S. Greenhouse Gas Emissions and Sinks (GHG Inventory). Background Since 1990, the U.S. EPA has developed a nationwide GHG inventory, engaging researchers, federal […]

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Unpacking U.S. EPA’s Strategic Plan & Budget

Posted: May 17th, 2022

The U.S. Environmental Protection Agency (U.S. EPA) published its Strategic Plan for Fiscal Year (FY) 2022-2026 on March 28, 2022. As described by U.S. EPA, “the Strategic Plan provides a roadmap to achieve EPA’s and the Biden-Harris Administration’s environmental priorities […]

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The Pennsylvania RACT III Rule Is Almost Here

Posted: April 25th, 2022

Pennsylvania’s draft 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] has been slowly making its way towards finalization but it’s not there quite […]

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Ethylene Oxide Update

Posted: April 5th, 2022

UPDATE May 31, 2022: Following U.S. EPA’s nationwide 2021 and 2022 Information Collection Requests (ICR) sent to facilities that use or process ethylene oxide, U.S. EPA is looking to take action on emissions, emissions sources, processes, and control technologies.  Based […]

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