EPA Air · stack tests by county and year
Air-emissions stack tests in Allen County, Ohio, 2025
- 11Stack 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 Allen 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 Allen County facility page.
Allen County, Ohio, 2025
Air-emissions stack tests in Allen County, other years
Air-emissions stack tests recorded in Allen County, Ohio, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-05-08 | LIMA REFINING COMPANY — high-priority violation on file | Pass | State |
| 2025-05-06 | LIMA REFINING COMPANY — high-priority violation on file | Pass | State |
| 2025-05-02 | GUARDIAN LIMA, LLC — high-priority violation on file | Pass | State |
| 2025-05-01 | GUARDIAN LIMA, LLC — high-priority violation on file | Pass | State |
| 2025-05-01 | GUARDIAN LIMA, LLC — high-priority violation on file | Pass | State |
| 2025-04-30 | GUARDIAN LIMA, LLC — high-priority violation on file | Pass | State |
| 2025-04-30 | GUARDIAN LIMA, LLC — high-priority violation on file | Pass | State |
| 2025-04-30 | GUARDIAN LIMA, LLC — high-priority violation on file | Pass | State |
| 2025-04-30 | GUARDIAN LIMA, LLC — high-priority violation on file | Pass | State |
| 2025-04-30 | GUARDIAN LIMA, LLC — high-priority violation on file | Pass | State |
| 2025-01-07 | PCS NITROGEN OHIO, L.P. — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.