EPA Air · stack tests by state, industry and year
Petroleum and coal products manufacturing (NAICS 3241): stack tests in Colorado, 2023
- 7Stack 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 2023 at a Colorado source whose primary industry code is NAICS 3241. A facility filing more than one industry code is counted under the first one on its record.
Petroleum and coal products manufacturing (NAICS 3241) in Colorado, other years
Other industries in Colorado, 2023
- Oil and gas extraction (NAICS 2111) 339
- Utilities (NAICS 2211) 26
- Pipeline transportation (NAICS 4862) 15
- Nonmetallic mineral product manufacturing (NAICS 3273) 12
- National security and international affairs (NAICS 9281) 11
- Utilities (NAICS 2213) 5
- Waste management and remediation (NAICS 5622) 5
Air-emissions stack tests recorded in Colorado, 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-12-08 | ASPHALT SPECIALTIES - STILES MINING RESO | EVANS, Weld, CO | Fail | State |
| 2023-12-07 | ASPHALT SPECIALTIES - STILES MINING RESO | EVANS, Weld, CO | N/A | State |
| 2023-11-09 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pass | State |
| 2023-08-24 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pass | State |
| 2023-07-21 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | N/A | State |
| 2023-04-11 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pending | State |
| 2023-03-29 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, 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.