EPA Air · stack tests by county and year
Air-emissions stack tests in Carlton County, Minnesota, 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 Carlton County, Minnesota 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 Carlton County facility page.
Carlton County, Minnesota, 2023
Air-emissions stack tests in Carlton County, other years
Air-emissions stack tests recorded in Carlton County, Minnesota, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-11-28 | SAPPI CLOQUET LLC | Pass | State |
| 2023-11-15 | NORTHERN NATURAL GAS CO - CARLTON | Pass | State |
| 2023-10-24 | USG INTERIORS LLC - CLOQUET MN | Pass | State |
| 2023-08-29 | USG INTERIORS LLC - CLOQUET MN | Fail | State |
| 2023-08-09 | SAPPI CLOQUET LLC | Pass | State |
| 2023-06-20 | SAPPI CLOQUET LLC | Pass | State |
| 2023-05-02 | USG INTERIORS LLC - CLOQUET MN | Pass | State |
| 2023-03-07 | SPECIALTY MINERALS INC - CLOQUET | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.