EPA Air · stack tests by county and year
Air-emissions stack tests in Skagit County, Washington, 2023
- 18Stack 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 Skagit County, Washington during 2023. 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 Skagit County facility page.
Skagit County, Washington, 2023
- Inspections 16
Air-emissions stack tests in Skagit County, other years
Air-emissions stack tests recorded in Skagit County, Washington, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-11-11 | AIR LIQUIDE AMERICA LP | Pass | Local |
| 2023-10-18 | HOLLYFRONTIER PUGET SOUND REFINERY | Pass | Local |
| 2023-10-06 | SIERRA PACIFIC IND.- SKAGIT LUMBER | Pass | Local |
| 2023-10-06 | SIERRA PACIFIC IND.- SKAGIT LUMBER | Pass | Local |
| 2023-10-04 | TESORO REFINING AND MARKETING COMPANY | Pass | Local |
| 2023-09-22 | NORTHWEST PIPELINE LLC- MOUNT VERNON | Pass | Local |
| 2023-09-21 | NORTHWEST PIPELINE LLC- MOUNT VERNON | Pass | Local |
| 2023-09-07 | HOLLYFRONTIER PUGET SOUND REFINERY | Pass | Local |
| 2023-08-17 | CHEMTRADE SOLUTIONS LLC | Pass | Local |
| 2023-08-16 | CHEMTRADE SOLUTIONS LLC | Pass | Local |
| 2023-08-09 | ANACORTES WWTP SEWAGE SLUDGE INCINERATOR | Pass | Local |
| 2023-06-07 | HOLLYFRONTIER PUGET SOUND REFINERY | Pass | Local |
| 2023-03-14 | PUGET SOUND ENERGY-FREDONIA | Pass | Local |
| 2023-03-01 | PUGET SOUND ENERGY-FREDONIA | Pass | Local |
| 2023-02-27 | TESORO REFINING AND MARKETING COMPANY | Pass | Local |
| 2023-02-24 | TESORO REFINING AND MARKETING COMPANY | Pass | Local |
| 2023-02-23 | TESORO REFINING AND MARKETING COMPANY | Pass | Local |
| 2023-02-22 | TESORO REFINING AND MARKETING COMPANY | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.