EPA Air · stack tests by county and year
Air-emissions stack tests in Walthall County, Mississippi, 2021
- 6Stack 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 Walthall County, Mississippi 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 Walthall County facility page.
Air-emissions stack tests in Walthall County, other years
Air-emissions stack tests recorded in Walthall County, Mississippi, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-04-15 | GULF SOUTH PIPELINE COMPANY LLC, MCCOMB COMPRESSOR STATION | Pass | State |
| 2021-03-23 | GULF SOUTH PIPELINE COMPANY LLC, MCCOMB COMPRESSOR STATION | Pass | State |
| 2021-03-23 | GULF SOUTH PIPELINE COMPANY LLC, MCCOMB COMPRESSOR STATION | Pass | State |
| 2021-03-23 | GULF SOUTH PIPELINE COMPANY LLC, MCCOMB COMPRESSOR STATION | Pass | State |
| 2021-03-02 | TRANSCONTINENTAL GAS PIPELINE COMPANY LLC, STATION 70 | Pass | State |
| 2021-03-02 | TRANSCONTINENTAL GAS PIPELINE COMPANY LLC, STATION 70 | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.