EPA Air · stack tests by state, industry and year
Miscellaneous manufacturing (NAICS 3399): stack tests in Illinois, 2025
- 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 2025 at a Illinois source whose primary industry code is NAICS 3399. A facility filing more than one industry code is counted under the first one on its record.
Miscellaneous manufacturing (NAICS 3399) in Illinois, other years
- 2023 3
Other industries in Illinois, 2025
- Utilities (NAICS 2211) 65
- Mining and quarrying (NAICS 2121) 30
- Pipeline transportation (NAICS 4862) 24
- Primary metal manufacturing (NAICS 3315) 22
- Hospitals (NAICS 6221) 19
- Plastics and rubber products manufacturing (NAICS 3261) 9
- Mining and quarrying (NAICS 2123) 9
- Petroleum and coal products manufacturing (NAICS 3241) 9
- Waste management and remediation (NAICS 5622) 8
- Nonmetallic mineral product manufacturing (NAICS 3273) 8
- Paper manufacturing (NAICS 3222) 7
- Utilities (NAICS 2212) 7
- Merchant wholesalers, nondurable goods (NAICS 4247) 5
- Executive and legislative government (NAICS 9211) 5
- Chemical manufacturing (NAICS 3251) 4
- Food manufacturing (NAICS 3112) 3
- Amusement, gambling and recreation (NAICS 7132) 3
- Chemical manufacturing (NAICS 3259) 3
Air-emissions stack tests recorded in Illinois, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-07-31 | MCCRONE GROUP THE | WESTMONT, DuPage, IL | Pass | State |
| 2025-07-23 | NATURAL GAS PIPELINE CO | ALTAMONT, Effingham, IL | Pass | State |
| 2025-03-05 | JO-CARROLL ENERGY - YORK SUBSTATION | THOMSON, Carroll, IL | Pass | State |
| 2025-03-05 | JO-CARROLL ENERGY - YORK SUBSTATION | THOMSON, Carroll, IL | Pass | State |
| 2025-03-04 | JO-CARROLL ENERGY - YORK SUBSTATION | THOMSON, Carroll, IL | Pass | State |
| 2025-03-04 | JO-CARROLL ENERGY - YORK SUBSTATION | THOMSON, Carroll, IL | Pass | State |
| 2025-02-26 | SWAN SURFACES LLC | CENTRALIA, Marion, 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.