EPA Air · stack tests by county and year
Air-emissions stack tests in Carlton County, Minnesota, 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 Carlton County, Minnesota 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 Carlton County facility page.
Air-emissions stack tests in Carlton County, other years
Air-emissions stack tests recorded in Carlton County, Minnesota, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-12-13 | SAPPI CLOQUET LLC | Pass | State |
| 2021-11-19 | SAPPI CLOQUET LLC | Pass | State |
| 2021-11-11 | ULLAND BROTHERS INC | Pass | State |
| 2021-11-02 | NORTHERN NATURAL GAS CO - CARLTON | Pass | State |
| 2021-10-05 | SAPPI CLOQUET LLC | Pass | State |
| 2021-09-14 | USG INTERIORS LLC - CLOQUET MN | Pass | State |
| 2021-09-09 | SAPPI CLOQUET LLC | Pass | State |
| 2021-07-28 | SAPPI CLOQUET LLC | Pass | State |
| 2021-07-27 | SAPPI CLOQUET LLC | Pass | State |
| 2021-06-30 | SAPPI CLOQUET LLC | Pass | State |
| 2021-05-29 | SAPPI CLOQUET LLC | Pass | State |
| 2021-05-13 | SAPPI CLOQUET LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.