EPA Air · stack tests by county and year
Air-emissions stack tests in Undetermined County, Missouri, 2023
- 7Stack 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 Undetermined County, Missouri during 2023. 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 Undetermined County facility page.
Air-emissions stack tests in Undetermined County, other years
What stands out
- Stack tests in Undetermined County, Missouri, fell from 16 in 2022, the previous year on file, to 7 in 2023.
- The county’s file for stack tests holds 7 years of events, from 2020 through 2026.
- Its 7 stack tests rank 15th of the 36 county cells in Missouri for 2023.
- Its 7 stack tests are 2.1% of the 328 the state’s file holds for 2023.
Every line is computed by formula from the state’s stored file; nothing is estimated.
Air-emissions stack tests recorded in Undetermined County, Missouri, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-08-01 | LIBERTY AGGREGATES, LLC (PORT-0878) | Pass | State |
| 2023-08-01 | LIBERTY AGGREGATES, LLC (PORT-0878) | Pass | State |
| 2023-08-01 | LIBERTY AGGREGATES, LLC (PORT-0878) | Pass | State |
| 2023-08-01 | LIBERTY AGGREGATES, LLC (PORT-0878) | Pass | State |
| 2023-08-01 | LIBERTY AGGREGATES, LLC (PORT-0878) | Pass | State |
| 2023-06-12 | NORRIS QUARRIES LLC PLANT 80 (PORT-0190) | Pass | State |
| 2023-06-12 | NORRIS QUARRIES LLC PLANT 80 (PORT-0190) | Pass | State |
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 for stack tests in Undetermined county, MO, in 2023. It lists 7 stack tests recorded in 2023.