EPA Air · stack tests by county and year
Air-emissions stack tests in Rockingham County, New Hampshire, 2024
- 11Stack 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 2024. 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, 2024
Air-emissions stack tests in Rockingham County, other years
What stands out
- Stack tests in Rockingham County, New Hampshire, rose from 9 in 2023, the previous year on file, to 11 in 2024.
- The county’s file for stack tests holds 10 years of events, from 2017 through 2026.
- Its 11 stack tests rank 3rd of the 7 county cells in New Hampshire for 2024.
- Its 11 stack tests are 18% of the 61 the state’s file holds for 2024.
Every line is computed by formula from the state’s stored file; nothing is estimated.
Air-emissions stack tests recorded in Rockingham County, New Hampshire, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-08-29 | GSP NEWINGTON LLC | Pass | State |
| 2024-08-15 | AJ NONWOVENS-HAMPTON, LLC | Pass | State |
| 2024-08-14 | AJ NONWOVENS-HAMPTON, LLC | Pass | State |
| 2024-08-13 | LIBERTY MUTUAL DATA CENTER | Pass | State |
| 2024-08-13 | LIBERTY MUTUAL DATA CENTER | Pass | State |
| 2024-08-13 | LIBERTY MUTUAL DATA CENTER | Pass | State |
| 2024-08-13 | NEWINGTON ENERGY | Pass | State |
| 2024-08-13 | NEWINGTON ENERGY | Pass | State |
| 2024-07-19 | C.P. MCDONOUGH CONSTRUCTION CORPORATION | Pass | State |
| 2024-05-03 | GRANITE RIDGE ENERGY, LLC | Pass | State |
| 2024-05-02 | GRANITE RIDGE ENERGY, LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Rockingham county, NH, in 2024. It lists 11 stack tests recorded in 2024.