Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Washington County, Oregon, 2023

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 Washington County, Oregon 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 Washington County facility page.

Washington County, Oregon, 2023

Air-emissions stack tests in Washington County, other years

Air-emissions stack tests recorded in Washington County, Oregon, 2023

DateFacilityKindAgency
2023-08-28STIMSON LUMBER COMPANY — high-priority violation on filePassState
2023-08-02STIMSON LUMBER COMPANY — high-priority violation on filePassState
2023-06-27STIMSON LUMBER COMPANY — high-priority violation on filePassState

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 Washington county, OR, in 2023. It lists 3 stack tests recorded in 2023.