EPA Air · stack tests by county and year
Air-emissions stack tests in Porter County, Indiana, 2021
- 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 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 Porter County facility page.
Porter County, Indiana, 2021
Air-emissions stack tests in Porter County, other years
Air-emissions stack tests recorded in Porter County, Indiana, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-12-22 | PVS TECHNOLOGIES INC — high-priority violation on file | Pass | State |
| 2021-12-22 | PVS TECHNOLOGIES INC — high-priority violation on file | Pass | State |
| 2021-11-24 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2021-11-19 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2021-11-19 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2021-10-28 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2021-10-28 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2021-10-28 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2021-10-27 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2021-10-27 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2021-10-27 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2021-10-27 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2021-10-27 | NLMK INDIANA — high-priority violation on file | Pass | State |
| 2021-10-26 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2021-10-06 | POWDER PROCESSING TECHNOLOGY LLC — high-priority violation on file | Pass | State |
| 2021-10-06 | POWDER PROCESSING TECHNOLOGY LLC — high-priority violation on file | Pass | State |
| 2021-10-05 | POWDER PROCESSING TECHNOLOGY LLC — high-priority violation on file | Pass | State |
| 2021-09-27 | INDIANA PICKLING & PROCESSING COMPANY | Pass | State |
| 2021-09-21 | U S STEEL MIDWEST PLANT | Pass | State |
| 2021-08-16 | RIETH RILEY CONSTRUCTION COMPANY OAQ PORTABLE | Pass | State |
| 2021-08-16 | RIETH RILEY CONSTRUCTION COMPANY OAQ PORTABLE | Pass | State |
| 2021-08-16 | RIETH RILEY CONSTRUCTION COMPANY OAQ PORTABLE | Pass | State |
| 2021-08-16 | RIETH RILEY CONSTRUCTION COMPANY OAQ PORTABLE | Pass | State |
| 2021-05-13 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2021-05-13 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2021-05-04 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2021-04-22 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2021-04-22 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | Pass | State |
| 2021-03-25 | PVS TECHNOLOGIES INC — high-priority violation on file | Pass | State |
| 2021-03-25 | PVS TECHNOLOGIES INC — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.