EPA Air · stack tests by state, industry and year
Computer and electronic product manufacturing (NAICS 3344): stack tests in Arizona, 2026
- 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 2026 at a Arizona source whose primary industry code is NAICS 3344. A facility filing more than one industry code is counted under the first one on its record.
Computer and electronic product manufacturing (NAICS 3344) in Arizona, other years
Other industries in Arizona, 2026
- Utilities (NAICS 2211) 24
- Pipeline transportation (NAICS 4862) 10
- Mining and quarrying (NAICS 2122) 7
- Nonmetallic mineral product manufacturing (NAICS 3273) 5
- Merchant wholesalers, nondurable goods (NAICS 4247) 3
- Primary metal manufacturing (NAICS 3311) 3
Air-emissions stack tests recorded in Arizona, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-07-09 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2026-06-30 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2026-05-07 | TSMC PHOENIX PROJECT | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2026-04-27 | TSMC PHOENIX PROJECT | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2026-04-22 | TSMC PHOENIX PROJECT | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2026-02-06 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2026-01-14 | ROGERS CORPORATION - ROOSEVELT AVE FACILITY — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | 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.