EPA Air · stack tests by state, industry and year
National security and international affairs (NAICS 9281): stack tests in Virginia, 2025
- 12Stack 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 Virginia source whose primary industry code is NAICS 9281. A facility filing more than one industry code is counted under the first one on its record.
National security and international affairs (NAICS 9281) in Virginia, other years
Other industries in Virginia, 2025
- Data processing and hosting (NAICS 5182) 30
- Utilities (NAICS 2211) 21
- Paper manufacturing (NAICS 3221) 21
- Pipeline transportation (NAICS 4862) 17
- Utilities (NAICS 2213) 10
- Professional, scientific and technical services (NAICS 5415) 9
- Merchant wholesalers, nondurable goods (NAICS 4247) 6
- Waste management and remediation (NAICS 5622) 6
- General merchandise retailers (NAICS 4552) 5
- Plastics and rubber products manufacturing (NAICS 3261) 4
- Chemical manufacturing (NAICS 3251) 3
Air-emissions stack tests recorded in Virginia, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-11-06 | US NAVY - NAVAL STATION NORFOLK | NORFOLK, Norfolk (city), VA | Pass | State |
| 2025-11-05 | NAVAL SUPPORT FACILITY, DAHLGREN | DAHLGREN, King George, VA | Pass | State |
| 2025-07-29 | US NAVY - NORFOLK NAVAL SHIPYARD | PORTSMOUTH, Portsmouth (city), VA | Pass | State |
| 2025-06-18 | US NAVY - NORFOLK NAVAL SHIPYARD | PORTSMOUTH, Portsmouth (city), VA | Pass | State |
| 2025-04-22 | US NAVY - NSA HAMPTON ROADS HQ | NORFOLK, Norfolk (city), VA | Pass | State |
| 2025-04-17 | US NAVY - NAVAL STATION NORFOLK | NORFOLK, Norfolk (city), VA | Pass | State |
| 2025-04-16 | US NAVY - NAVAL STATION NORFOLK | NORFOLK, Norfolk (city), VA | Pass | State |
| 2025-04-15 | US NAVY - NAVAL STATION NORFOLK | NORFOLK, Norfolk (city), VA | Pass | State |
| 2025-03-24 | US NAVY - NORFOLK NAVAL SHIPYARD | PORTSMOUTH, Portsmouth (city), VA | Pass | State |
| 2025-03-24 | US NAVY - NORFOLK NAVAL SHIPYARD | PORTSMOUTH, Portsmouth (city), VA | Pass | State |
| 2025-02-05 | US NAVY - NSA HAMPTON ROADS HQ | NORFOLK, Norfolk (city), VA | Pass | State |
| 2025-01-09 | GEORGE BUSH CENTER FOR INTELLIGENCE (CIA) | MCLEAN, Fairfax, VA | 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.