EPA Air · stack tests by county and year
Air-emissions stack tests in St. Louis 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 St. Louis 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 St. Louis County facility page.
St. Louis County, Missouri, 2023
Air-emissions stack tests in St. Louis County, other years
Air-emissions stack tests recorded in St. Louis County, Missouri, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-11-14 | METROPOLITAN ST. LOUIS SEWER DISTRICT | Pass | State |
| 2023-10-31 | NORTH STONE | Pass | State |
| 2023-10-31 | NORTH STONE | Pass | State |
| 2023-10-31 | NORTH STONE | Pass | State |
| 2023-04-28 | METROPOLITAN ST. LOUIS SEWER DISTRICT | Pass | State |
| 2023-04-28 | METROPOLITAN ST. LOUIS SEWER DISTRICT | Pass | State |
| 2023-02-28 | THE BOEING COMPANY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.