EPA Air · stack tests by county and year
Air-emissions stack tests in St. Louis County, Minnesota, 2018
- 19Stack 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 2018. 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, 2018
- Inspections 16
Air-emissions stack tests in St. Louis County, other years
Air-emissions stack tests recorded in St. Louis County, Minnesota, 2018
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2018-12-18 | DULUTH ENERGY SYSTEMS | Pass | State |
| 2018-10-16 | US STEEL CORP - MINNTAC | Pass | State |
| 2018-09-11 | ULLAND BROTHERS INC - PLANT 3401 | Fail | State |
| 2018-09-05 | US STEEL CORP - MINNTAC | Pass | State |
| 2018-09-05 | SOFIDEL AMERICA - DULUTH — high-priority violation on file | Pass | State |
| 2018-08-07 | SOFIDEL AMERICA - DULUTH — high-priority violation on file | Pass | State |
| 2018-06-18 | WISCONSIN CENTRAL LTD | Pass | State |
| 2018-05-24 | US STEEL CORP - MINNTAC | Pass | State |
| 2018-05-23 | MINNESOTA POWER - HIBBARD RENEWABLE ENERGY CENTER | Pass | State |
| 2018-05-08 | NORTHSHORE MINING CO - PETER MITCHELL | Pass | State |
| 2018-05-07 | US STEEL CORP - MINNTAC | Pass | State |
| 2018-05-01 | HILL WOOD PRODUCTS INC | Pass | State |
| 2018-04-23 | HIBBING TACONITE CO | Pass | State |
| 2018-04-19 | VIRGINIA DEPARTMENT OF PUBLIC UTILITIES — high-priority violation on file | Pass | State |
| 2018-03-27 | HIBBING PUBLIC UTILITIES COMMISSION | Fail | State |
| 2018-03-19 | HIBBING PUBLIC UTILITIES COMMISSION | Pass | State |
| 2018-03-19 | UNITED TACONITE LLC - FAIRLANE PLANT | Pass | State |
| 2018-02-28 | VIRGINIA DEPARTMENT OF PUBLIC UTILITIES — high-priority violation on file | Pass | State |
| 2018-02-20 | UNITED TACONITE LLC - FAIRLANE PLANT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.