EPA Air · stack tests by state, industry and year
Nonmetallic mineral product manufacturing (NAICS 3271): stack tests in Colorado, 2020
- 6Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2020 at a Colorado source whose primary industry code is NAICS 3271. A facility filing more than one industry code is counted under the first one on its record.
Nonmetallic mineral product manufacturing (NAICS 3271) in Colorado, other years
Other industries in Colorado, 2020
- Oil and gas extraction (NAICS 2111) 331
- Utilities (NAICS 2211) 26
- Nonmetallic mineral product manufacturing (NAICS 3273) 14
- Pipeline transportation (NAICS 4862) 12
- National security and international affairs (NAICS 9281) 10
- Beverage and tobacco manufacturing (NAICS 3121) 8
- Petroleum and coal products manufacturing (NAICS 3241) 6
- Mining and quarrying (NAICS 2123) 4
- Waste management and remediation (NAICS 5622) 3
Air-emissions stack tests recorded in Colorado, 2020
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2020-09-11 | COORSTEK INC - CLEAR CREEK VALLEY PLANT — high-priority violation on file | GOLDEN AREA, Jefferson, CO | N/A | State |
| 2020-09-11 | COORSTEK INC - CLEAR CREEK VALLEY PLANT — high-priority violation on file | GOLDEN AREA, Jefferson, CO | N/A | State |
| 2020-06-18 | COORSTEK, INC. - CENTER FOR ADVANCED MAT | GOLDEN, Jefferson, CO | Pass | State |
| 2020-04-30 | COORSTEK, INC. - CENTER FOR ADVANCED MAT | GOLDEN, Jefferson, CO | Fail | State |
| 2020-03-10 | COORSTEK, INC. - CENTER FOR ADVANCED MAT | GOLDEN, Jefferson, CO | Pass | State |
| 2020-02-20 | COORSTEK, INC. - CENTER FOR ADVANCED MAT | GOLDEN, Jefferson, CO | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.