On January 5, EPA added 1-bromopropane (1-BP), which is also called n-propyl bromide, to the list of Hazardous Air Pollutants (HAP) under the federal Clean Air Act. 1-BP is used as a substitute for other HAPs in dry cleaning and other industries. This marks the first addition to the list since it was established as
On October 15, 2021, the Delaware County Court of Common Pleas ordered Middletown Township to give residents of the Glen Riddle Station Apartments, located along the Mariner East 2 Pipeline,

On December 21, 2021, the U.S. Environmental Protection Agency (EPA) published a report titled “