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 | Pass | 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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Alamance county, NC, for 2026. Stack tests recorded in 2026: 3.