EPA Air · stack tests by county and year
Air-emissions stack tests in Montgomery County, Maryland, 2023
- 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 Montgomery County, Maryland during 2023. 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 Montgomery County facility page.
Montgomery County, Maryland, 2023
- Inspections 45
Air-emissions stack tests in Montgomery County, other years
Air-emissions stack tests recorded in Montgomery County, Maryland, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-10-19 | MONTGOMERY COUNTY RRF — high-priority violation on file | Pass | State |
| 2023-04-27 | NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY | Pass | State |
| 2023-02-02 | GSA FEDERAL RESEARCH CENTER AT WHITE OAK | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.