EPA Air · stack tests by county and year
Air-emissions stack tests in Prince George's County, Maryland, 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 Prince George's County, Maryland 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 Prince George's County facility page.
Prince George's County, Maryland, 2021
Air-emissions stack tests in Prince George's County, other years
Air-emissions stack tests recorded in Prince George's County, Maryland, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-11-05 | GAYLORD ENTERTAINMENT COMPANY — high-priority violation on file | Pass | State |
| 2021-10-16 | PSEG KEYS ENERGY CENTER | Pass | State |
| 2021-09-14 | ADELPHI LABORATORY CENTER | Pass | State |
| 2021-06-02 | UNIVERSITY OF MARYLAND | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.