EPA Air · stack tests by county and year
Air-emissions stack tests in Columbia County, Oregon, 2020
- 3Stack 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 Columbia County, Oregon 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 Columbia County facility page.
Air-emissions stack tests in Columbia County, other years
- 2023 5
Air-emissions stack tests recorded in Columbia County, Oregon, 2020
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2020-08-11 | PORTLAND GENERAL ELECTRIC COMPANY — high-priority violation on file | Pass | State |
| 2020-02-12 | ARCADIA PAPER MILLS, LLC — high-priority violation on file | Pass | State |
| 2020-02-11 | ARCADIA PAPER MILLS, LLC — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.