EPA Air · stack tests by county and year
Air-emissions stack tests in Hancock County, Kentucky, 2021
- 12Stack 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 Hancock County, Kentucky during 2021. 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 Hancock County facility page.
Hancock County, Kentucky, 2021
Air-emissions stack tests in Hancock County, other years
Air-emissions stack tests recorded in Hancock County, Kentucky, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-10-07 | CENTURY ALUMINUM OF KY LLC | Fail | State |
| 2021-10-05 | CENTURY ALUMINUM OF KY LLC | Pass | State |
| 2021-10-05 | CENTURY ALUMINUM OF KY LLC | Pass | State |
| 2021-09-21 | SOUTHWIRE COMPANY LLC | Pass | State |
| 2021-09-21 | SOUTHWIRE COMPANY LLC | Pass | State |
| 2021-08-23 | CENTURY ALUMINUM OF KY LLC | Pass | State |
| 2021-08-03 | CENTURY ALUMINUM OF KY LLC | Fail | State |
| 2021-07-22 | CENTURY ALUMINUM OF KY LLC | Pass | State |
| 2021-07-19 | CENTURY ALUMINUM OF KY LLC | Fail | State |
| 2021-05-05 | CENTURY ALUMINUM OF KY LLC | Fail | State |
| 2021-04-01 | CENTURY ALUMINUM OF KY LLC | Pass | State |
| 2021-03-01 | CENTURY ALUMINUM OF KY LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.