EPA Air · stack tests by state, industry and year
Nonmetallic mineral product manufacturing (NAICS 3273): stack tests in Pennsylvania, 2026
- 4Stack 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 Pennsylvania source whose primary industry code is NAICS 3273. A facility filing more than one industry code is counted under the first one on its record.
Nonmetallic mineral product manufacturing (NAICS 3273) in Pennsylvania, other years
Other industries in Pennsylvania, 2026
- Oil and gas extraction (NAICS 2111) 291
- Mining support (NAICS 2131) 35
- Pipeline transportation (NAICS 4862) 31
- Utilities (NAICS 2211) 23
- Educational services (NAICS 6113) 9
- Chemical manufacturing (NAICS 3251) 8
- Waste management and remediation (NAICS 5622) 7
- Primary metal manufacturing (NAICS 3311) 7
- Merchant wholesalers, nondurable goods (NAICS 4247) 5
- National security and international affairs (NAICS 9281) 5
- Utilities (NAICS 2213) 5
- Chemical manufacturing (NAICS 3254) 5
- Petroleum and coal products manufacturing (NAICS 3241) 5
- Nonmetallic mineral product manufacturing (NAICS 3274) 4
- Paper manufacturing (NAICS 3221) 4
- Primary metal manufacturing (NAICS 3315) 4
- Administration of environmental programs (NAICS 9241) 4
- Plastics and rubber products manufacturing (NAICS 3261) 3
- Mining and quarrying (NAICS 2121) 3
- Hospitals (NAICS 6221) 3
Air-emissions stack tests recorded in Pennsylvania, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-12 | HEIDELBERG MATERIALS US CEMENT LLC/NAZARETH | NAZARETH, Northampton, PA | Pass | State |
| 2026-06-10 | HEIDELBERG MATERIALS US CEMENT LLC/NAZARETH | NAZARETH, Northampton, PA | Pass | State |
| 2026-03-25 | ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file | CABOT, Butler, PA | Pass | State |
| 2026-03-11 | LEHIGH WHITE CEMENT CO LLC/YORK | YORK, York, PA | Pass | State |
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.