EPA Air · stack tests by county and year
Air-emissions stack tests in Porter County, Indiana, 2024
- 30Stack 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 Porter County, Indiana during 2024. 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 Porter County facility page.
Porter County, Indiana, 2024
Air-emissions stack tests in Porter County, other years
Air-emissions stack tests recorded in Porter County, Indiana, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-11-05 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2024-10-30 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2024-10-30 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2024-10-28 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2024-10-28 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2024-10-03 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2024-10-03 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2024-10-03 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2024-10-03 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2024-10-03 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2024-09-06 | AOC LLC | Pass | State |
| 2024-07-03 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2024-06-26 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2024-06-26 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2024-06-18 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2024-05-30 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2024-05-30 | PVS TECHNOLOGIES INC — high-priority violation on file | Pass | State |
| 2024-05-30 | PVS TECHNOLOGIES INC — high-priority violation on file | Pass | State |
| 2024-05-21 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2024-05-16 | PVS TECHNOLOGIES INC — high-priority violation on file | Pass | State |
| 2024-05-16 | PVS TECHNOLOGIES INC — high-priority violation on file | Pass | State |
| 2024-03-12 | U S STEEL MIDWEST PLANT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.