EPA Air · stack tests by state, industry and year
Petroleum and coal products manufacturing (NAICS 3241): stack tests in Illinois, 2026
- 11Stack 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 2026 at a Illinois 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 Illinois, other years
Other industries in Illinois, 2026
- Utilities (NAICS 2211) 37
- Mining and quarrying (NAICS 2121) 29
- Mining and quarrying (NAICS 2123) 25
- Food manufacturing (NAICS 3112) 14
- Electrical equipment and appliance manufacturing (NAICS 3359) 10
- Pipeline transportation (NAICS 4862) 8
- Primary metal manufacturing (NAICS 3315) 5
- Waste management and remediation (NAICS 5622) 5
- Nonmetallic mineral product manufacturing (NAICS 3273) 5
- Oil and gas extraction (NAICS 2111) 4
- Hospitals (NAICS 6221) 4
- Utilities (NAICS 2212) 3
Air-emissions stack tests recorded in Illinois, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-07-21 | MIDWEST MATERIAL SUPPLY LLC — high-priority violation on file | MURPHYSBORO, Jackson, IL | Pass | State |
| 2026-07-17 | BUTTERFIELD ROAD CCDD | NORTH AURORA, Kane, IL | Pass | State |
| 2026-06-11 | CITGO PETROLEUM CORP — high-priority violation on file | LEMONT, Will, IL | Pending | State |
| 2026-06-11 | CITGO PETROLEUM CORP — high-priority violation on file | LEMONT, Will, IL | Pending | State |
| 2026-06-10 | CITGO PETROLEUM CORP — high-priority violation on file | LEMONT, Will, IL | Pending | State |
| 2026-06-09 | CITGO PETROLEUM CORP — high-priority violation on file | LEMONT, Will, IL | Pending | State |
| 2026-05-27 | E.T. SIMONDS MATERIALS CO | MT VERNON, Jefferson, IL | Pass | State |
| 2026-05-13 | CONMAT INC | DIXON, Lee, IL | Pass | State |
| 2026-03-30 | CITGO PETROLEUM CORP — high-priority violation on file | LEMONT, Will, IL | Pass | State |
| 2026-03-05 | EXXON MOBIL OIL CORP — high-priority violation on file | CHANNAHON, Will, IL | Pass | State |
| 2026-01-09 | WRB REFINING LP WOOD RIVER REFINERY — high-priority violation on file | ROXANA, Madison, IL | 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.