EPA Air · stack tests by state, industry and year
Administrative and support services (NAICS 5617): stack tests in California, 2025
- 3Stack 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 California source whose primary industry code is NAICS 5617. A facility filing more than one industry code is counted under the first one on its record.
Other industries in California, 2025
- Utilities (NAICS 2211) 2,709
- Oil and gas extraction (NAICS 2111) 1,287
- NAICS 9999 193
- Petroleum and coal products manufacturing (NAICS 3241) 177
- Food manufacturing (NAICS 3114) 146
- Food manufacturing (NAICS 3115) 111
- Nonmetallic mineral product manufacturing (NAICS 3279) 100
- Beverage and tobacco manufacturing (NAICS 3121) 94
- Waste management and remediation (NAICS 5622) 74
- Nonmetallic mineral product manufacturing (NAICS 3272) 67
- Utilities (NAICS 2213) 63
- Animal production (NAICS 1121) 52
- Merchant wholesalers, nondurable goods (NAICS 4247) 45
- Fabricated metal product manufacturing (NAICS 3324) 31
- Pipeline transportation (NAICS 4862) 31
- Justice, public order and safety (NAICS 9221) 20
- Mining and quarrying (NAICS 2123) 18
- Plastics and rubber products manufacturing (NAICS 3261) 16
- Food manufacturing (NAICS 3119) 12
- Waste management and remediation (NAICS 5629) 12
- Food manufacturing (NAICS 3111) 10
- Food manufacturing (NAICS 3116) 9
- Chemical manufacturing (NAICS 3252) 8
- Nonmetallic mineral product manufacturing (NAICS 3273) 8
- Fabricated metal product manufacturing (NAICS 3328) 6
- Crop production (NAICS 1113) 6
- NAICS 4523 6
- National security and international affairs (NAICS 9281) 6
- Personal and laundry services (NAICS 8129) 5
- Furniture and related product manufacturing (NAICS 3379) 5
- Pipeline transportation (NAICS 4861) 4
- Electrical equipment and appliance manufacturing (NAICS 3351) 4
- Food manufacturing (NAICS 3118) 4
- Primary metal manufacturing (NAICS 3314) 4
- Paper manufacturing (NAICS 3222) 3
- Food manufacturing (NAICS 3112) 3
- Mining and quarrying (NAICS 2122) 3
- Hospitals (NAICS 6221) 3
- Chemical manufacturing (NAICS 3251) 3
Air-emissions stack tests recorded in California, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-10-07 | INLAND EMPIRE UTILITY AGENCY, A MUN WATER DIS | ONTARIO, San Bernardino, CA | Pass | Local |
| 2025-01-14 | INLAND EMPIRE UTILITY AGENCY, A MUN WATER DIS | ONTARIO, San Bernardino, CA | Pass | Local |
| 2025-01-13 | INLAND EMPIRE UTILITY AGENCY, A MUN WATER DIS | ONTARIO, San Bernardino, CA | Pass | Local |
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.