EPA Air · stack tests by county and year
Air-emissions stack tests in Union County, North Carolina, 2025
- 4Stack 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 Union County, North Carolina 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 Union County facility page.
Union County, North Carolina, 2025
Air-emissions stack tests in Union County, other years
Air-emissions stack tests recorded in Union County, North Carolina, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-14 | SCOTT TECHNOLOGIES, INC. - SCOTT SAFETY | Pass | State |
| 2025-08-29 | NC MUNICIPAL POWER AGENCY NO. 1 - MONROE MIDDLE SCHOOL UNIT | Pass | State |
| 2025-08-27 | TYSON FARMS, INC. - MONROE PROCESSING, FEED MILL, & HATCHERY | Pass | State |
| 2025-07-09 | BOGGS MATERIALS, INC. - CONCORD HWY PLANT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.