EPA Air · stack tests by county and year
Air-emissions stack tests in Multnomah County, Oregon, 2025
- 4Stack 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 Multnomah County, Oregon during 2025. 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 Multnomah County facility page.
Multnomah County, Oregon, 2025
- Inspections 14
Air-emissions stack tests in Multnomah County, other years
Air-emissions stack tests recorded in Multnomah County, Oregon, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-09-11 | BOEING COMPANY (THE) — high-priority violation on file | Pass | State |
| 2025-06-02 | OWENS CORNING ROOFING AND ASPHALT, LLC | Pass | State |
| 2025-05-07 | OWENS BROCKWAY GLASS CONTAINER INC. — high-priority violation on file | N/A | State |
| 2025-01-24 | UNITED STATES BAKERY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.