EPA Air · stack tests by county and year
Air-emissions stack tests in Skagit County, Washington, 2020
- 23Stack 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 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 Skagit County facility page.
Skagit County, Washington, 2020
Air-emissions stack tests in Skagit County, other years
Air-emissions stack tests recorded in Skagit County, Washington, 2020
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2020-11-20 | AIR LIQUIDE AMERICA LP | Pass | Local |
| 2020-10-27 | SIERRA PACIFIC IND.- SKAGIT LUMBER | Pass | Local |
| 2020-09-24 | HOLLYFRONTIER PUGET SOUND REFINERY | Pass | Local |
| 2020-09-18 | NORTHWEST PIPELINE LLC- MOUNT VERNON | Pass | Local |
| 2020-09-17 | TESORO REFINING AND MARKETING COMPANY | Pass | Local |
| 2020-09-17 | NORTHWEST PIPELINE LLC- MOUNT VERNON | Pass | Local |
| 2020-09-16 | TESORO REFINING AND MARKETING COMPANY | Pass | Local |
| 2020-09-15 | TESORO REFINING AND MARKETING COMPANY | Pass | Local |
| 2020-09-15 | PUGET SOUND ENERGY-FREDONIA | Pass | Local |
| 2020-09-10 | TESORO REFINING AND MARKETING COMPANY | Pass | Local |
| 2020-09-09 | TESORO REFINING AND MARKETING COMPANY | Pass | Local |
| 2020-08-20 | HOLLYFRONTIER PUGET SOUND REFINERY | Pass | Local |
| 2020-08-18 | HOLLYFRONTIER PUGET SOUND REFINERY | Pass | Local |
| 2020-08-18 | HOLLYFRONTIER PUGET SOUND REFINERY | Pass | Local |
| 2020-08-18 | ANACORTES WWTP SEWAGE SLUDGE INCINERATOR | Fail | Local |
| 2020-08-13 | PUGET SOUND ENERGY-FREDONIA | Pass | Local |
| 2020-07-23 | CHEMTRADE SOLUTIONS LLC | Pass | Local |
| 2020-07-22 | CHEMTRADE SOLUTIONS LLC | Pass | Local |
| 2020-06-30 | HOLLYFRONTIER PUGET SOUND REFINERY | Pass | Local |
| 2020-06-24 | TESORO REFINING AND MARKETING COMPANY | Pass | Local |
| 2020-06-02 | ANACORTES WWTP SEWAGE SLUDGE INCINERATOR | Fail | Local |
| 2020-02-20 | AIR LIQUIDE AMERICA LP | Pass | Local |
| 2020-01-24 | PUGET SOUND ENERGY-FREDONIA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.