EPA Air · by state and industry
Support activities for transportation (NAICS 4881) air sources in California
- 5Facilities
Permitted air-emissions sources in California whose primary industry code is NAICS 4881. A facility filing more than one industry code is counted under the first one on its record, so a plant with several lines appears once, under the line EPA lists first.
Inspections of support activities for transportation (naics 4881) in California, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2025 — inspections 6
- 2024 — inspections 5
- 2023 — inspections 10
- 2022 — inspections 5
- 2021 — inspections 6
- 2020 — inspections 6
- 2019 — inspections 10
- 2018 — inspections 4
- 2017 — inspections 10
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| CASTLE AIRPORT AVIATION & DEVELOP CENTER | Minor source | No |
| LA CITY DEPT OF AIRPORTS | Major source | No |
| MENZIES AVIATION GRP INC, OGDEN GRND SVC | Major source | No |
| SAN FRANCISCO INTERNATIONAL AIRPORT | Major source | Yes |
| UNITED AIRLINES, SF MAINTENANCE CENTER | Major source | Yes |
Primary NAICS code as filed on the facility record. Figures from EPA’s ICIS-AIR download.