EPA Air · stack tests by county and year
Air-emissions stack tests in Frederick County, Virginia, 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 Frederick County, Virginia 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 Frederick County facility page.
Frederick County, Virginia, 2021
- Inspections 53
Air-emissions stack tests in Frederick County, other years
Air-emissions stack tests recorded in Frederick County, Virginia, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-10-14 | TREX COMPANY, INC. - VIRGINIA DECKING AND RAILING | Pass | State |
| 2021-03-09 | FREDERICK COUNTY REGIONAL LANDFILL | Pass | State |
| 2021-03-02 | HP HOOD LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.