EPA Air · stack tests by county and year
Air-emissions stack tests in Perry County, Ohio, 2025
- 23Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Perry County, Ohio during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Perry County facility page.
Perry County, Ohio, 2025
Air-emissions stack tests in Perry County, other years
Air-emissions stack tests recorded in Perry County, Ohio, 2025
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This public-records page covers Clean Air Act facilities in the EPA air register with stack tests in Perry county, OH, in 2025. Stack tests recorded in 2025: 23.