EPA Air · stack tests by county and year
Air-emissions stack tests in Hancock County, Mississippi, 2021
- 23Stack 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 Hancock 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 Hancock County facility page.
Air-emissions stack tests in Hancock County, other years
Air-emissions stack tests recorded in Hancock County, Mississippi, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-12-02 | SABIC INNOVATIVE PLASTICS US, LLC | Pass | State |
| 2021-12-02 | SABIC INNOVATIVE PLASTICS US, LLC | Pass | State |
| 2021-08-16 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION, JOHN C STENNIS SPACE CENTER | Pass | State |
| 2021-08-16 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION, JOHN C STENNIS SPACE CENTER | Pass | State |
| 2021-08-16 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION, JOHN C STENNIS SPACE CENTER | Pass | State |
| 2021-08-16 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION, JOHN C STENNIS SPACE CENTER | Pass | State |
| 2021-03-30 | ROLLS ROYCE NORTH AMERICA INC, ROLLS ROYCE OUTDOOR TEST FACILITY | Pass | State |
| 2021-02-09 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-09 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-08 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-08 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-01 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-01 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-01 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-01 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-01 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-01 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-01 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-01 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-01 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-01 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-01 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
| 2021-02-01 | ALPEK POLYESTER MISSISSIPPI INC — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.