EPA Air · stack tests by county and year
Air-emissions stack tests in Chatham County, North Carolina, 2026
- 3Stack 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 Chatham County, North Carolina 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 Chatham County facility page.
Chatham County, North Carolina, 2026
- Inspections 52
Air-emissions stack tests in Chatham County, other years
Air-emissions stack tests recorded in Chatham County, North Carolina, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-09-30 | BWI ETN LLC - DAURITY SPRINGS QUARRY | Pass | State |
| 2026-06-25 | 3M PITTSBORO - INDUSTRIAL MINERAL PRODUCTS | Pass | State |
| 2026-06-25 | 3M PITTSBORO - INDUSTRIAL MINERAL PRODUCTS | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.