EPA Air · stack tests by state, industry and year
Data processing and hosting (NAICS 5182): stack tests in Tennessee, 2026
- 8Stack 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 2026 at a Tennessee source whose primary industry code is NAICS 5182. A facility filing more than one industry code is counted under the first one on its record.
Other industries in Tennessee, 2026
- Petroleum and coal products manufacturing (NAICS 3241) 17
- Utilities (NAICS 2211) 11
- Chemical manufacturing (NAICS 3251) 10
- Pipeline transportation (NAICS 4862) 7
- Waste management and remediation (NAICS 5622) 4
- Nonmetallic mineral product manufacturing (NAICS 3273) 3
- Primary metal manufacturing (NAICS 3313) 3
Air-emissions stack tests recorded in Tennessee, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-01-29 | COLOSSUS DATA CENTER | MEMPHIS, Shelby, TN | Pass | Local |
| 2026-01-28 | COLOSSUS DATA CENTER | MEMPHIS, Shelby, TN | Pass | Local |
| 2026-01-27 | COLOSSUS DATA CENTER | MEMPHIS, Shelby, TN | Pass | Local |
| 2026-01-23 | COLOSSUS DATA CENTER | MEMPHIS, Shelby, TN | Pass | Local |
| 2026-01-22 | COLOSSUS DATA CENTER | MEMPHIS, Shelby, TN | Pass | Local |
| 2026-01-21 | COLOSSUS DATA CENTER | MEMPHIS, Shelby, TN | Pass | Local |
| 2026-01-20 | COLOSSUS DATA CENTER | MEMPHIS, Shelby, TN | Pass | Local |
| 2026-01-20 | COLOSSUS DATA CENTER | MEMPHIS, Shelby, TN | Pass | Local |
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.