EPA Air · stack tests by county and year
Air-emissions stack tests in Carlton County, Minnesota, 2020
- 14Stack 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 2020. 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, 2020
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2020-12-15 | NORTHERN NATURAL GAS CO - CARLTON | Pass | State |
| 2020-11-19 | SAPPI CLOQUET LLC | Pass | State |
| 2020-11-17 | SAPPI CLOQUET LLC | Pass | State |
| 2020-10-13 | SAPPI CLOQUET LLC | Pass | State |
| 2020-10-06 | SPECIALTY MINERALS INC - CLOQUET | Pass | State |
| 2020-09-30 | USG INTERIORS LLC - CLOQUET MN | Pass | State |
| 2020-09-28 | USG INTERIORS LLC - CLOQUET MN | Pass | State |
| 2020-08-05 | SAPPI CLOQUET LLC | Pass | State |
| 2020-08-05 | USG INTERIORS LLC - CLOQUET MN | Pass | State |
| 2020-08-04 | SAPPI CLOQUET LLC | Pass | State |
| 2020-06-16 | USG INTERIORS LLC - CLOQUET MN | Pass | State |
| 2020-06-10 | SAPPI CLOQUET LLC | Pass | State |
| 2020-05-05 | USG INTERIORS LLC - CLOQUET MN | Fail | State |
| 2020-02-04 | SAPPI CLOQUET LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.