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.
What this page shows
This page covers stack tests at Clean Air Act facilities in the EPA air register in Jefferson, CO, for 2020. It lists 16 stack tests recorded in 2020.