EPA Air · stack tests by county and year
Air-emissions stack tests in Knox County, Tennessee, 2021
- 8Stack 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 Knox County, Tennessee during 2021. 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 Knox County facility page.
Knox County, Tennessee, 2021
Air-emissions stack tests in Knox County, other years
What stands out
- Stack tests in Knox County, Tennessee, rose from 6 in 2020, the previous year on file, to 8 in 2021.
- The county’s file for stack tests holds 9 years of events, from 2017 through 2025.
- Its 8 stack tests rank 3rd of the 9 county cells in Tennessee for 2021.
- Its 8 stack tests are 8.2% of the 98 the state’s file holds for 2021.
Every line is computed by formula from the state’s stored file; nothing is estimated.
Air-emissions stack tests recorded in Knox County, Tennessee, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-11-03 | ENERGY TRANSFER MARKETING AND TERMINALS LP | Pass | Local |
| 2021-10-07 | CEMEX CONSTRUCTION MATERIALS ATLANTIC, LLC - KNOXVILLE CEMENT PLANT | Pass | State |
| 2021-09-04 | CEMEX CONSTRUCTION MATERIALS ATLANTIC, LLC - KNOXVILLE CEMENT PLANT | Pass | State |
| 2021-09-04 | CEMEX CONSTRUCTION MATERIALS ATLANTIC, LLC - KNOXVILLE CEMENT PLANT | Pass | State |
| 2021-07-01 | CEMEX CONSTRUCTION MATERIALS ATLANTIC, LLC - KNOXVILLE CEMENT PLANT | Pass | Local |
| 2021-06-30 | CEMEX CONSTRUCTION MATERIALS ATLANTIC, LLC - KNOXVILLE CEMENT PLANT | Pass | Local |
| 2021-04-07 | CEMEX CONSTRUCTION MATERIALS ATLANTIC, LLC - KNOXVILLE CEMENT PLANT | Pass | Local |
| 2021-02-23 | CEMEX CONSTRUCTION MATERIALS ATLANTIC, LLC - KNOXVILLE CEMENT PLANT | Pass | Local |
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 Knox county, TN, in 2021. It lists 8 stack tests recorded in 2021.