EPA Air · stack tests by county and year
Air-emissions stack tests in Carroll 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 Carroll 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 Carroll County facility page.
Carroll County, Maryland, 2021
- Inspections 20
Air-emissions stack tests in Carroll County, other years
Air-emissions stack tests recorded in Carroll County, Maryland, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-11-03 | LEHIGH CEMENT COMPANY - UNION BRIDGE | Pass | State |
| 2021-05-26 | LEHIGH CEMENT COMPANY - UNION BRIDGE | Pass | State |
| 2021-05-05 | LEHIGH CEMENT COMPANY - UNION BRIDGE | Pass | State |
| 2021-05-05 | LEHIGH CEMENT COMPANY - UNION BRIDGE | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.