EPA Air · stack tests by county and year
Air-emissions stack tests in St. Louis County, Minnesota, 2022
- 17Stack 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 St. Louis County, Minnesota during 2022. 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 St. Louis County facility page.
St. Louis County, Minnesota, 2022
- Inspections 14
Air-emissions stack tests in St. Louis County, other years
Air-emissions stack tests recorded in St. Louis County, Minnesota, 2022
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2022-12-20 | DULUTH ENERGY SYSTEMS | Pass | State |
| 2022-12-20 | HIBBING PUBLIC UTILITIES COMMISSION | Pass | State |
| 2022-12-06 | ME GLOBAL INC | Pass | State |
| 2022-11-21 | UNITED TACONITE LLC - FAIRLANE PLANT | Pass | State |
| 2022-10-20 | VIRGINIA DEPARTMENT OF PUBLIC UTILITIES — high-priority violation on file | Fail | State |
| 2022-10-12 | ME GLOBAL INC | Pass | State |
| 2022-09-06 | US STEEL CORP - MINNTAC | Pass | State |
| 2022-09-06 | HIBBING PUBLIC UTILITIES COMMISSION | Fail | State |
| 2022-08-30 | CLEVELAND-CLIFFS MINORCA MINE INC | Pass | State |
| 2022-08-18 | WISCONSIN CENTRAL LTD | Pass | State |
| 2022-08-09 | SINNOTT BLACKTOP LLC | Pass | State |
| 2022-06-21 | UNITED TACONITE LLC - FAIRLANE PLANT | Pass | State |
| 2022-05-10 | HIBBING TACONITE CO | Pass | State |
| 2022-04-19 | UNITED STATES STEEL CORP - KEETAC | Pass | State |
| 2022-04-14 | ME GLOBAL INC | Pass | State |
| 2022-04-01 | US STEEL CORP - MINNTAC | Pass | State |
| 2022-02-21 | VIRGINIA DEPARTMENT OF PUBLIC UTILITIES — high-priority violation on file | Fail | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.