Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Skagit County, Washington, 2020

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

DateFacilityKindAgency
2020-11-20AIR LIQUIDE AMERICA LPPassLocal
2020-10-27SIERRA PACIFIC IND.- SKAGIT LUMBERPassLocal
2020-09-24HOLLYFRONTIER PUGET SOUND REFINERYPassLocal
2020-09-18NORTHWEST PIPELINE LLC- MOUNT VERNONPassLocal
2020-09-17TESORO REFINING AND MARKETING COMPANYPassLocal
2020-09-17NORTHWEST PIPELINE LLC- MOUNT VERNONPassLocal
2020-09-16TESORO REFINING AND MARKETING COMPANYPassLocal
2020-09-15TESORO REFINING AND MARKETING COMPANYPassLocal
2020-09-15PUGET SOUND ENERGY-FREDONIAPassLocal
2020-09-10TESORO REFINING AND MARKETING COMPANYPassLocal
2020-09-09TESORO REFINING AND MARKETING COMPANYPassLocal
2020-08-20HOLLYFRONTIER PUGET SOUND REFINERYPassLocal
2020-08-18HOLLYFRONTIER PUGET SOUND REFINERYPassLocal
2020-08-18HOLLYFRONTIER PUGET SOUND REFINERYPassLocal
2020-08-18ANACORTES WWTP SEWAGE SLUDGE INCINERATORFailLocal
2020-08-13PUGET SOUND ENERGY-FREDONIAPassLocal
2020-07-23CHEMTRADE SOLUTIONS LLCPassLocal
2020-07-22CHEMTRADE SOLUTIONS LLCPassLocal
2020-06-30HOLLYFRONTIER PUGET SOUND REFINERYPassLocal
2020-06-24TESORO REFINING AND MARKETING COMPANYPassLocal
2020-06-02ANACORTES WWTP SEWAGE SLUDGE INCINERATORFailLocal
2020-02-20AIR LIQUIDE AMERICA LPPassLocal
2020-01-24PUGET SOUND ENERGY-FREDONIAPassLocal

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 Skagit, WA, in 2020. It lists 23 stack tests recorded in 2020.