For anyone involved in the first round of the Clean Air Act regional haze program, the U.S. Environmental Protection Agency’s (EPA) action on the first business day of 2024 came as no surprise: EPA proposed to disapprove the...more
In a proposed rule signed on February 28, but not yet published in the Federal Register, EPA proposed to significantly expand its current approach to regulating the interstate transport of ozone. Under the so-called “good...more
To help reboot after the holiday break, here is a list of air topics we expect to make news in 2022 with a short discussion of why each one may be important to you....more
At the end of September, the Environmental Protection Agency (EPA) issued yet another memorandum regarding emissions resulting from startup, shutdown, and malfunctions (SSM) at stationary sources of air pollutants, such as...more
State strategies for regulating air emissions during periods of startup, shutdown, and malfunction (SSM) have been a controversial topic in recent years. Air emissions can be higher during periods of SSM because emitting...more