EPA Air · inspections by state, industry and year
Chemical manufacturing (NAICS 3251): inspections in Oklahoma, 2025
- 4Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row is one inspection recorded during 2025 at a Oklahoma source whose primary industry code is NAICS 3251. A facility filing more than one industry code is counted under the first one on its record.
Chemical manufacturing (NAICS 3251) in Oklahoma, other years
Other industries in Oklahoma, 2025
- Oil and gas extraction (NAICS 2111) 181
- Petroleum and coal products manufacturing (NAICS 3241) 69
- Pipeline transportation (NAICS 4862) 44
- National security and international affairs (NAICS 9281) 20
- Mining and quarrying (NAICS 2123) 18
- Utilities (NAICS 2211) 17
- Plastics and rubber products manufacturing (NAICS 3261) 14
- Personal and laundry services (NAICS 8123) 12
- Pipeline transportation (NAICS 4861) 11
- Waste management and remediation (NAICS 5622) 10
- Fabricated metal product manufacturing (NAICS 3323) 5
- Nonmetallic mineral product manufacturing (NAICS 3273) 4
- Chemical manufacturing (NAICS 3253) 4
- Nonmetallic mineral product manufacturing (NAICS 3274) 3
- Transportation equipment manufacturing (NAICS 3362) 3
- Merchant wholesalers, nondurable goods (NAICS 4247) 3
- Nonmetallic mineral product manufacturing (NAICS 3271) 3
- Food manufacturing (NAICS 3111) 3
- Fabricated metal product manufacturing (NAICS 3328) 3
Air-emissions inspections recorded in Oklahoma, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-17 | INHANCE TECHNOLOGIES LLC / ADVANCE REASEARCH CHEMICALS LLC | CATOOSA, Rogers, OK | FCE On-Site | State |
| 2025-07-11 | EURECAT US INC / CATALYST REGENERATION PLANT — high-priority violation on file | MCALESTER, Pittsburg, OK | FCE On-Site | State |
| 2025-07-07 | CONTINENTAL CARBON CO / CARBON BLACK PRODUCTION FACILITY — high-priority violation on file | PONCA CITY, Kay, OK | PCE On-Site Record/Report Review | State |
| 2025-03-18 | CONTINENTAL CARBON CO / CARBON BLACK PRODUCTION FACILITY — high-priority violation on file | PONCA CITY, Kay, OK | PCE On-Site Record/Report Review | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.