EPA Air · stack tests by county and year
Air-emissions stack tests in Rockingham County, New Hampshire, 2026
- 9Stack 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 Rockingham County, New Hampshire during 2026. 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 Rockingham County facility page.
Rockingham County, New Hampshire, 2026
- Inspections 16
Air-emissions stack tests in Rockingham County, other years
Air-emissions stack tests recorded in Rockingham County, New Hampshire, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-08-18 | GEORGIA-PACIFIC GYPSUM LLC | Pending | State |
| 2026-07-28 | NEWINGTON ENERGY | Pending | State |
| 2026-07-28 | NEWINGTON ENERGY | Pending | State |
| 2026-07-15 | GSP NEWINGTON LLC | Pending | State |
| 2026-07-10 | AJ NONWOVENS-HAMPTON, LLC | Pending | State |
| 2026-05-28 | GRANITE RIDGE ENERGY, LLC | Incomplete | State |
| 2026-05-27 | GRANITE RIDGE ENERGY, LLC | Incomplete | State |
| 2026-05-05 | GEORGIA-PACIFIC GYPSUM LLC | N/A | State |
| 2026-02-10 | GSP NEWINGTON LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.