EPA Air · stack tests by county and year
Air-emissions stack tests in Spencer County, Indiana, 2024
- 6Stack 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 Spencer County, Indiana during 2024. 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 Spencer County facility page.
Air-emissions stack tests in Spencer County, other years
Air-emissions stack tests recorded in Spencer County, Indiana, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-11-13 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | Pass | State |
| 2024-11-13 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | Pass | State |
| 2024-03-27 | SUPERIOR AG RESOURCES COOPERATIVE INC | Pass | State |
| 2024-03-27 | SUPERIOR AG RESOURCES COOPERATIVE INC | Pass | State |
| 2024-02-22 | INDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT | Pass | State |
| 2024-02-22 | INDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.