EPA Air · stack tests by state, industry and year
NAICS 9999: stack tests in Connecticut, 2021
- 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 2021 at a Connecticut source whose primary industry code is NAICS 9999. A facility filing more than one industry code is counted under the first one on its record.
NAICS 9999 in Connecticut, other years
Other industries in Connecticut, 2021
- Utilities (NAICS 2211) 21
- Pipeline transportation (NAICS 4862) 13
- Utilities (NAICS 2213) 9
- Educational services (NAICS 6113) 7
- Waste management and remediation (NAICS 5622) 7
- Transportation equipment manufacturing (NAICS 3366) 4
- Chemical manufacturing (NAICS 3254) 4
- Food manufacturing (NAICS 3118) 4
- Support activities for transportation (NAICS 4881) 4
- Transportation equipment manufacturing (NAICS 3364) 3
Air-emissions stack tests recorded in Connecticut, 2021
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2021-06-03 | ALLIED PRINTING SERVICES, INC | MANCHESTER, Hartford, CT | Pass | State |
| 2021-04-01 | KLEEN ENERGY SYSTEMS, LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2021-02-24 | KLEEN ENERGY SYSTEMS, LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2021-02-24 | KLEEN ENERGY SYSTEMS, LLC | MIDDLETOWN, Middlesex, CT | 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.