EPA Air · stack tests by state, industry and year
Educational services (NAICS 6113): stack tests in North Carolina, 2025
- 6Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2025 at a North Carolina source whose primary industry code is NAICS 6113. A facility filing more than one industry code is counted under the first one on its record.
Educational services (NAICS 6113) in North Carolina, other years
Other industries in North Carolina, 2025
- Utilities (NAICS 2211) 53
- Waste management and remediation (NAICS 5622) 36
- Petroleum and coal products manufacturing (NAICS 3241) 17
- Mining and quarrying (NAICS 2123) 12
- Chemical manufacturing (NAICS 3251) 10
- Utilities (NAICS 2213) 10
- Pipeline transportation (NAICS 4862) 9
- Chemical manufacturing (NAICS 3254) 9
- Chemical manufacturing (NAICS 3253) 9
- Paper manufacturing (NAICS 3221) 8
- Electrical equipment and appliance manufacturing (NAICS 3359) 7
- Food manufacturing (NAICS 3112) 7
- Nonmetallic mineral product manufacturing (NAICS 3272) 7
- Utilities (NAICS 2212) 7
- Wood product manufacturing (NAICS 3219) 5
- Primary metal manufacturing (NAICS 3315) 5
- Plastics and rubber products manufacturing (NAICS 3261) 5
- Hospitals (NAICS 6221) 5
- Food manufacturing (NAICS 3116) 4
- Wood product manufacturing (NAICS 3212) 4
- Nonmetallic mineral product manufacturing (NAICS 3279) 3
- Administration of environmental programs (NAICS 9241) 3
- Wood product manufacturing (NAICS 3211) 3
Air-emissions stack tests recorded in North Carolina, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-11-13 | NORTH CAROLINA STATE UNIVERSITY | RALEIGH, Wake, NC | Pass | State |
| 2025-10-16 | THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL | CHAPEL HILL, Orange, NC | Pass | State |
| 2025-05-01 | NORTH CAROLINA STATE UNIVERSITY | RALEIGH, Wake, NC | Pass | State |
| 2025-02-20 | NORTH CAROLINA CENTRAL UNIVERSITY | DURHAM, Durham, NC | Pass | State |
| 2025-01-29 | THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL | CHAPEL HILL, Orange, NC | Pass | State |
| 2025-01-23 | APPALACHIAN STATE UNIVERSITY | BOONE, Watauga, NC | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.