EPA Air · stack tests by county and year
Air-emissions stack tests in Essex County, Massachusetts, 2021
- 3Stack 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 Essex 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 Essex County facility page.
Essex County, Massachusetts, 2021
Air-emissions stack tests in Essex County, other years
Air-emissions stack tests recorded in Essex County, Massachusetts, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-10-14 | ITW PERFORMANCE POLYMERS | Pass | State |
| 2021-10-09 | WHEELABRATOR SAUGUS INC | Pass | State |
| 2021-09-09 | PEABODY MUNICIPAL LIGHT PLANT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.