EPA Air · stack tests by county and year
Air-emissions stack tests in Bartholomew County, Indiana, 2025
- 10Stack 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 Bartholomew County, Indiana during 2025. 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 Bartholomew County facility page.
Bartholomew County, Indiana, 2025
Air-emissions stack tests in Bartholomew County, other years
Air-emissions stack tests recorded in Bartholomew County, Indiana, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-04 | NIKKEI MC ALUMINUM AMERICA INC | Pass | State |
| 2025-10-16 | NIKKEI MC ALUMINUM AMERICA INC | Pass | State |
| 2025-10-16 | NIKKEI MC ALUMINUM AMERICA INC | Pass | State |
| 2025-10-16 | NIKKEI MC ALUMINUM AMERICA INC | Pass | State |
| 2025-10-16 | NIKKEI MC ALUMINUM AMERICA INC | Pass | State |
| 2025-10-16 | NIKKEI MC ALUMINUM AMERICA INC | Pass | State |
| 2025-08-13 | MILESTONE CONTRACTORS LIMITED PARTNERSHIP | Pass | State |
| 2025-08-13 | MILESTONE CONTRACTORS LIMITED PARTNERSHIP | Pass | State |
| 2025-08-13 | MILESTONE CONTRACTORS LIMITED PARTNERSHIP | Pass | State |
| 2025-08-13 | MILESTONE CONTRACTORS LIMITED PARTNERSHIP | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Bartholomew, IN, for 2025. It lists 10 stack tests recorded in 2025.