EPA Air · stack tests by county and year
Air-emissions stack tests in Ascension County, Louisiana, 2021
- 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 Ascension County, Louisiana 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 Ascension County facility page.
Ascension County, Louisiana, 2021
- Inspections 15
Air-emissions stack tests in Ascension County, other years
Air-emissions stack tests recorded in Ascension County, Louisiana, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-12-06 | METHANEX USA SERVICES LLC - GEISMAR METHANOL PLANT | Pass | State |
| 2021-10-19 | SHELL CHEMICAL LP - GEISMAR PLANT | Pass | State |
| 2021-10-08 | NOVA CHEMICALS OLEFINS LLC - GEISMAR ETHYLENE PLANT | Pass | State |
| 2021-09-28 | METHANEX USA SERVICES LLC - GEISMAR METHANOL PLANT | Pass | State |
| 2021-08-10 | SHELL CHEMICAL LP - GEISMAR PLANT | Pass | State |
| 2021-07-17 | NOVA CHEMICALS OLEFINS LLC - GEISMAR ETHYLENE PLANT | Pass | State |
| 2021-07-15 | NOVA CHEMICALS OLEFINS LLC - GEISMAR ETHYLENE PLANT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.