EPA Air · stack tests by county and year
Air-emissions stack tests in Henderson County, Kentucky, 2023
- 8Stack 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 Henderson County, Kentucky during 2023. 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 Henderson County facility page.
Henderson County, Kentucky, 2023
Air-emissions stack tests in Henderson County, other years
Air-emissions stack tests recorded in Henderson County, Kentucky, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-12-11 | CENTURY ALUMINUM SEBREE LLC | Pass | State |
| 2023-10-17 | CENTURY ALUMINUM SEBREE LLC | Pass | State |
| 2023-08-01 | CENTURY ALUMINUM SEBREE LLC | Fail | State |
| 2023-05-25 | CENTURY ALUMINUM SEBREE LLC | Pass | State |
| 2023-05-23 | CENTURY ALUMINUM SEBREE LLC | Fail | State |
| 2023-04-18 | CENTURY ALUMINUM SEBREE LLC | Pass | State |
| 2023-03-07 | CENTURY ALUMINUM SEBREE LLC | Pass | State |
| 2023-01-13 | CENTURY ALUMINUM SEBREE LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.