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.