EPA Air · stack tests by county and year
Air-emissions stack tests in Alamance 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 Alamance 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 Alamance County facility page.
Alamance County, North Carolina, 2026
Air-emissions stack tests in Alamance County, other years
Air-emissions stack tests recorded in Alamance County, North Carolina, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-05-01 | ALAMANCE AGGREGATES, LLC | Pending | State |
| 2026-04-14 | MARTIN MARIETTA MATERIALS, INC. - EAST ALAMANCE QUARRY | Pass | State |
| 2026-03-31 | STERICYCLE, INC. | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.