EPA Air · stack tests by county and year
Air-emissions stack tests in Miami County, Ohio, 2025
- 9Stack 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 Miami 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 Miami County facility page.
Miami County, Ohio, 2025
- Inspections 14
Air-emissions stack tests in Miami County, other years
Air-emissions stack tests recorded in Miami County, Ohio, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-09-18 | ABBOTT NUTRITION - TIPP CITY | Pass | State |
| 2025-09-18 | ABBOTT NUTRITION - TIPP CITY | Pass | State |
| 2025-09-18 | ABBOTT NUTRITION - TIPP CITY | Pass | State |
| 2025-04-22 | PIQUA MATERIALS | Pass | State |
| 2025-03-26 | 3 SIGMA LLC | Pass | State |
| 2025-03-26 | 3 SIGMA LLC | Pass | State |
| 2025-03-06 | PIQUA MATERIALS | Pass | State |
| 2025-03-05 | PIQUA MATERIALS | Pass | State |
| 2025-03-04 | PIQUA MATERIALS | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.