EPA Air · stack tests by county and year
Air-emissions stack tests in Hampden County, Massachusetts, 2021
- 4Stack 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 Hampden County, Massachusetts 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 Hampden County facility page.
Hampden County, Massachusetts, 2021
- Inspections 64
Air-emissions stack tests in Hampden County, other years
Air-emissions stack tests recorded in Hampden County, Massachusetts, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-11-22 | ROCKWOOD FARM ORGANIC RECYCLERY | Pass | State |
| 2021-11-17 | SOLUTIA INCORPORATED — high-priority violation on file | Pass | State |
| 2021-11-15 | AMERESCO CHICOPEE ENERGY, INC | Pass | State |
| 2021-11-10 | SOLUTIA INCORPORATED — 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.