EPA Air · stack tests by county and year
Air-emissions stack tests in Jefferson County, Colorado, 2020
- 16Stack 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 Jefferson County, Colorado 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 Jefferson County facility page.
Jefferson County, Colorado, 2020
Air-emissions stack tests in Jefferson County, other years
Air-emissions stack tests recorded in Jefferson County, Colorado, 2020
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2020-12-04 | ARCOSA LWB LLC - LIGHTWEIGHT - BOULDER — high-priority violation on file | Pass | State |
| 2020-11-12 | ARCOSA LWB LLC - LIGHTWEIGHT - BOULDER — high-priority violation on file | Fail | State |
| 2020-10-08 | PLAINS END, LLC | Pass | State |
| 2020-09-11 | COORSTEK INC - CLEAR CREEK VALLEY PLANT — high-priority violation on file | N/A | State |
| 2020-09-11 | COORSTEK INC - CLEAR CREEK VALLEY PLANT — high-priority violation on file | N/A | State |
| 2020-08-26 | MOLSON COORS USA LLC - GOLDEN BREWERY — high-priority violation on file | Pass | State |
| 2020-08-26 | MOLSON COORS USA LLC - GOLDEN BREWERY — high-priority violation on file | Pass | State |
| 2020-08-26 | MOLSON COORS USA LLC - GOLDEN BREWERY — high-priority violation on file | Pass | State |
| 2020-08-26 | MOLSON COORS USA LLC - GOLDEN BREWERY — high-priority violation on file | Pass | State |
| 2020-08-26 | MOLSON COORS USA LLC - GOLDEN BREWERY — high-priority violation on file | Pass | State |
| 2020-08-26 | MOLSON COORS USA LLC - GOLDEN BREWERY — high-priority violation on file | Pass | State |
| 2020-06-18 | COORSTEK, INC. - CENTER FOR ADVANCED MAT | Pass | State |
| 2020-04-30 | COORSTEK, INC. - CENTER FOR ADVANCED MAT | Fail | State |
| 2020-04-24 | PLAINS END, LLC | Pass | State |
| 2020-03-10 | COORSTEK, INC. - CENTER FOR ADVANCED MAT | Pass | State |
| 2020-02-20 | COORSTEK, INC. - CENTER FOR ADVANCED MAT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.