EPA Air · stack tests by county and year
Air-emissions stack tests in Johnston County, North Carolina, 2022
- 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 Johnston County, North Carolina during 2022. 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 Johnston County facility page.
Johnston County, North Carolina, 2022
Air-emissions stack tests in Johnston County, other years
Air-emissions stack tests recorded in Johnston County, North Carolina, 2022
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2022-12-06 | BENTONVILLE LNG FACILITY | Pass | State |
| 2022-08-17 | GRIFOLS THERAPEUTICS LLC | Pass | State |
| 2022-06-23 | CII METHANE MANAGEMENT IV, LLC | Pass | State |
| 2022-06-02 | BLACKWOOD ASSOCIATES, LLC | Fail | State |
| 2022-03-02 | MARTIN MARIETTA MATERIALS, INC. - BENSON | Pass | State |
| 2022-01-24 | GRIFOLS THERAPEUTICS LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.