EPA Air · inspections by state, industry and year
Chemical manufacturing (NAICS 3251): inspections in California, 2026
- 9Inspections
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 2026 at a California 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 California, other years
Other industries in California, 2026
- Oil and gas extraction (NAICS 2111) 400
- Utilities (NAICS 2211) 220
- NAICS 9999 172
- Petroleum and coal products manufacturing (NAICS 3241) 172
- Beverage and tobacco manufacturing (NAICS 3121) 131
- Nonmetallic mineral product manufacturing (NAICS 3272) 103
- Waste management and remediation (NAICS 5622) 97
- Merchant wholesalers, nondurable goods (NAICS 4247) 61
- Food manufacturing (NAICS 3114) 46
- Food manufacturing (NAICS 3111) 33
- Nonmetallic mineral product manufacturing (NAICS 3279) 32
- Food manufacturing (NAICS 3116) 29
- Plastics and rubber products manufacturing (NAICS 3261) 28
- Pipeline transportation (NAICS 4862) 28
- Utilities (NAICS 2213) 25
- Pipeline transportation (NAICS 4861) 22
- Food manufacturing (NAICS 3115) 21
- Animal production (NAICS 1121) 17
- Fabricated metal product manufacturing (NAICS 3324) 17
- Justice, public order and safety (NAICS 9221) 15
- NAICS 4543 14
- Paper manufacturing (NAICS 3222) 13
- Nonmetallic mineral product manufacturing (NAICS 3273) 11
- Food manufacturing (NAICS 3119) 9
- Crop production (NAICS 1113) 8
- National security and international affairs (NAICS 9281) 8
- Executive and legislative government (NAICS 9211) 8
- Fabricated metal product manufacturing (NAICS 3323) 8
- Agriculture and forestry support (NAICS 1151) 8
- Animal production (NAICS 1123) 7
- Mining and quarrying (NAICS 2123) 7
- Pipeline transportation (NAICS 4869) 7
- Chemical manufacturing (NAICS 3252) 6
- Mining support (NAICS 2131) 6
- Hospitals (NAICS 6221) 5
- Transportation equipment manufacturing (NAICS 3364) 5
- Fabricated metal product manufacturing (NAICS 3328) 5
- Miscellaneous manufacturing (NAICS 3399) 5
- Transportation equipment manufacturing (NAICS 3366) 5
- Chemical manufacturing (NAICS 3253) 4
- Primary metal manufacturing (NAICS 3314) 4
- Waste management and remediation (NAICS 5629) 4
- Furniture and related product manufacturing (NAICS 3371) 4
- Nonmetallic mineral product manufacturing (NAICS 3271) 3
- NAICS 4523 3
- Crop production (NAICS 1112) 3
- Repair and maintenance (NAICS 8111) 3
- Food manufacturing (NAICS 3118) 3
- Miscellaneous manufacturing (NAICS 3391) 3
- Specialty trade contractors (NAICS 2383) 3
- Transportation equipment manufacturing (NAICS 3362) 3
- Heavy and civil engineering construction (NAICS 2371) 3
- Fabricated metal product manufacturing (NAICS 3327) 3
Air-emissions inspections recorded in California, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-25 | TESORO REFINING AND MARKETING CO, LLC | CARSON, Los Angeles, CA | PCE Off-Site - Review of 114 Response | Local |
| 2026-04-30 | PACIFIC ETHANOL STOCKTON — high-priority violation on file | STOCKTON, San Joaquin, CA | PCE On-Site Record/Report Review | Local |
| 2026-04-30 | PACIFIC ETHANOL STOCKTON — high-priority violation on file | STOCKTON, San Joaquin, CA | FCE On-Site | Local |
| 2026-04-22 | TESORO REFINING AND MARKETING CO, LLC | CARSON, Los Angeles, CA | FCE On-Site | Local |
| 2026-04-20 | PACIFIC ETHANOL STOCKTON — high-priority violation on file | STOCKTON, San Joaquin, CA | PCE On-Site Record/Report Review | Local |
| 2026-04-01 | AIR PRODUCTS AND CHEMICALS INC | WILMINGTON, Los Angeles, CA | FCE On-Site | Local |
| 2026-04-01 | PACIFIC ETHANOL STOCKTON — high-priority violation on file | STOCKTON, San Joaquin, CA | PCE On-Site Record/Report Review | Local |
| 2026-03-18 | AIR LIQUID LARGE INDUSTRIES US, LP | EL SEGUNDO, Los Angeles, CA | FCE On-Site | Local |
| 2026-02-20 | AIR LIQUID LARGE INDUSTRIES US, LP | EL SEGUNDO, Los Angeles, CA | PCE Off-Site - Review of 114 Response | Local |
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.