EPA Air · stack tests by county and year
Air-emissions stack tests in Boyd County, Kentucky, 2021
- 3Stack 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 Boyd 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 Boyd County facility page.
Boyd County, Kentucky, 2021
Air-emissions stack tests in Boyd County, other years
Air-emissions stack tests recorded in Boyd County, Kentucky, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-12-14 | BIG RUN POWER PRODUCERS LLC | Pass | State |
| 2021-04-07 | CALGON CARBON CORPORATION | Pass | State |
| 2021-01-14 | HUNTINGTON ALLOYS CORP | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.