Currently, the Revolution Cryogenic Plant is classified as a what’s known as a natural minor source of air pollution. However, with the addition of the new Cryo II Unit, its potential to emit air pollutants would actually exceed major source thresholds.

Editor’s Note: The Allegheny County Health Department periodically updates its website to include documents related to air quality enforcement actions. As part of our watchdog work, GASP monitors this webpage and reports on the air quality violations posted there. Since the docket has not been updated since December 2025, GASP is now filing monthly public records requests to glean more timely information related to ACHD’s enforcement efforts. This is one of the most recent a

The Allegheny County Health Department periodically updates its website to include documents related to air quality enforcement actions. As part of our watchdog work, GASP monitors this webpage and reports on the air quality violations posted there. Because the docket has not been updated since December 2025, GASP is now filing monthly public records requests to glean more timely information related to ACHD’s enforcement efforts. These are the most recent actions received

The anonymous survey is open to all Allegheny County residents age 18 and older and takes about 15 minutes to complete.

Through our Fresh Voices for Clean Air project, we’ve seen firsthand that there is no better way to protect our future than by handing the microphone to the generation that will inherit it.

Our senior attorney John Baillie explained the facility’s permit application demonstrated that it would be capable of operating flares used to control pollution at a 98% destructive efficiency rather than the 95% that would have been allowed by the draft Installation Permit.