EPA Air · stack tests by county and year
Air-emissions stack tests in Loudoun County, Virginia, 2020
- 10Stack 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 Loudoun County, Virginia during 2020. 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 Loudoun County facility page.
Loudoun County, Virginia, 2020
- Inspections 54
Air-emissions stack tests in Loudoun County, other years
Air-emissions stack tests recorded in Loudoun County, Virginia, 2020
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2020-10-30 | VANTAGE DATA CENTERS VA11, VA12, VA13, VA14, & VA15 | Pass | State |
| 2020-10-22 | CYRUSONE STERLING IX/X/XI | Pass | State |
| 2020-10-15 | NTT GLOBAL DATA CENTERS AMERICAS, INC. | Pass | State |
| 2020-10-07 | DIGITAL REALTY (DIGITAL LOUDOUN 3 & 4, LLC) | Pass | State |
| 2020-10-02 | EQUINIX, LLC - ASHBURN | Pass | State |
| 2020-03-27 | BHE GT&S - LOUDOUN COMPRESSOR STATION | Pass | State |
| 2020-03-18 | AMAZON DATA SERVICES, INC. IAD-144 IAD-145 | Pass | State |
| 2020-03-16 | AMAZON DATA SERVICES, INC. IAD-114 IAD-115 | Pass | State |
| 2020-03-05 | POTOMAC ENERGY CENTER LLC | Pass | State |
| 2020-01-10 | DIGITAL REALTY (DIGITAL LOUDOUN 3 & 4, LLC) | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Loudoun county, VA, in 2020. Stack tests recorded in 2020: 10.