EPA Air · stack tests by county and year
Air-emissions stack tests in Fairfield County, Connecticut, 2025
- 13Stack 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 Fairfield County, Connecticut during 2025. 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 Fairfield County facility page.
Fairfield County, Connecticut, 2025
Air-emissions stack tests in Fairfield County, other years
Air-emissions stack tests recorded in Fairfield County, Connecticut, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-12 | SECURE MARK DECAL | Pass | State |
| 2025-09-30 | SIKORSKY AIRCRAFT - MAIN PLANT | Pass | State |
| 2025-09-29 | SIKORSKY AIRCRAFT - MAIN PLANT | Pass | State |
| 2025-08-12 | BEDOUKIAN RESEARCH, INC | Pass | State |
| 2025-05-08 | CONNECTICUT JET POWER - COS COB STATION | Pass | State |
| 2025-05-08 | CONNECTICUT JET POWER - COS COB STATION | Pass | State |
| 2025-05-08 | WHEELABRATOR BRIDGEPORT LP | Pass | State |
| 2025-05-07 | WHEELABRATOR BRIDGEPORT LP | Pass | State |
| 2025-05-06 | WHEELABRATOR BRIDGEPORT LP | Pass | State |
| 2025-01-23 | GB II CONNECTICUT, LLC - BRIDGEPORT HARBOR STATION | Pass | State |
| 2025-01-23 | GB II CONNECTICUT, LLC - BRIDGEPORT HARBOR STATION | Pass | State |
| 2025-01-07 | BOEHRINGER INGELHEIM PHARMACEUTICALS INC | Pass | State |
| 2025-01-07 | BOEHRINGER INGELHEIM PHARMACEUTICALS INC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.