EPA Air · stack tests by state, industry and year
Nonmetallic mineral product manufacturing (NAICS 3273): stack tests in Tennessee, 2026
- 3Stack 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 3273. A facility filing more than one industry code is counted under the first one on its record.
Nonmetallic mineral product manufacturing (NAICS 3273) in Tennessee, other years
Other industries in Tennessee, 2026
- Petroleum and coal products manufacturing (NAICS 3241) 17
- Utilities (NAICS 2211) 11
- Chemical manufacturing (NAICS 3251) 10
- Data processing and hosting (NAICS 5182) 8
- Pipeline transportation (NAICS 4862) 7
- Waste management and remediation (NAICS 5622) 4
- Primary metal manufacturing (NAICS 3313) 3
Air-emissions stack tests recorded in Tennessee, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-04-01 | SIGNAL MOUNTAIN CEMENT COMPANY D/B/A BUZZI UNICEM USA | CHATTANOOGA, Hamilton, TN | Pass | Local |
| 2026-04-01 | SIGNAL MOUNTAIN CEMENT COMPANY D/B/A BUZZI UNICEM USA | CHATTANOOGA, Hamilton, TN | Pass | Local |
| 2026-02-10 | CEMEX CONSTRUCTION MATERIALS ATLANTIC, LLC - KNOXVILLE CEMENT PLANT | KNOXVILLE, Knox, 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.