EPA Air · stack tests by county and year
Air-emissions stack tests in Clay County, Indiana, 2026
- 13Stack 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 Clay County, Indiana during 2026. 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 Clay County facility page.
Clay County, Indiana, 2026
Air-emissions stack tests in Clay County, other years
Air-emissions stack tests recorded in Clay County, Indiana, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-10 | METALS AND ADDITIVES LLC — high-priority violation on file | Pass | State |
| 2026-07-10 | METALS AND ADDITIVES LLC — high-priority violation on file | Pass | State |
| 2026-07-10 | METALS AND ADDITIVES LLC — high-priority violation on file | Pass | State |
| 2026-07-10 | METALS AND ADDITIVES LLC — high-priority violation on file | Pass | State |
| 2026-07-10 | METALS AND ADDITIVES LLC — high-priority violation on file | Pass | State |
| 2026-07-10 | METALS AND ADDITIVES LLC — high-priority violation on file | Pass | State |
| 2026-07-10 | METALS AND ADDITIVES LLC — high-priority violation on file | Pass | State |
| 2026-07-08 | METALS AND ADDITIVES LLC — high-priority violation on file | Pass | State |
| 2026-07-08 | METALS AND ADDITIVES LLC — high-priority violation on file | Pass | State |
| 2026-07-08 | METALS AND ADDITIVES LLC — high-priority violation on file | Pass | State |
| 2026-07-08 | METALS AND ADDITIVES LLC — high-priority violation on file | Pass | State |
| 2026-07-08 | METALS AND ADDITIVES LLC — high-priority violation on file | Pass | State |
| 2026-07-02 | METALS AND ADDITIVES LLC — 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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Clay county, IN, for 2026. The stack tests recorded in 2026 total 13.