EPA Air · stack tests by state, industry and year
Professional, scientific and technical services (NAICS 5415): stack tests in Virginia, 2021
- 5Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2021 at a Virginia source whose primary industry code is NAICS 5415. A facility filing more than one industry code is counted under the first one on its record.
Professional, scientific and technical services (NAICS 5415) in Virginia, other years
Other industries in Virginia, 2021
- Utilities (NAICS 2211) 21
- Pipeline transportation (NAICS 4862) 20
- Data processing and hosting (NAICS 5182) 20
- Utilities (NAICS 2213) 9
- Waste management and remediation (NAICS 5622) 8
- National security and international affairs (NAICS 9281) 4
- Petroleum and coal products manufacturing (NAICS 3241) 4
- Merchant wholesalers, nondurable goods (NAICS 4247) 4
- Paper manufacturing (NAICS 3221) 4
- Furniture and related product manufacturing (NAICS 3371) 4
- Computer and electronic product manufacturing (NAICS 3344) 3
- Plastics and rubber products manufacturing (NAICS 3261) 3
- Wood product manufacturing (NAICS 3219) 3
Air-emissions stack tests recorded in Virginia, 2021
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2021-12-02 | QTS INVESTMENT PROPERTIES MANASSAS LLC | MANASSAS, Prince William, VA | Pass | State |
| 2021-10-06 | DIGITAL REALTY (DIGITAL LOUDOUN 3 & 4, LLC) | ASHBURN, Loudoun, VA | Pass | State |
| 2021-04-28 | ALIGNED ENERGY DATA CENTERS (ASHBURN), LLC | ASHBURN, Loudoun, VA | Fail | State |
| 2021-04-08 | QTS LLC - ASHBURN-SHELLHORN DATA CENTER | ASHBURN, Loudoun, VA | Pass | State |
| 2021-03-03 | DIGITAL REALTY (DIGITAL LOUDOUN 3 & 4, LLC) | ASHBURN, Loudoun, VA | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.