EPA Air · stack tests by state, industry and year
Mining and quarrying (NAICS 2123): stack tests in Connecticut, 2017
- 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 2017 at a Connecticut source whose primary industry code is NAICS 2123. A facility filing more than one industry code is counted under the first one on its record.
Mining and quarrying (NAICS 2123) in Connecticut, other years
Other industries in Connecticut, 2017
- Utilities (NAICS 2211) 25
- Transportation equipment manufacturing (NAICS 3364) 14
- Utilities (NAICS 2213) 11
- Transportation equipment manufacturing (NAICS 3366) 9
- Pipeline transportation (NAICS 4862) 7
- Waste management and remediation (NAICS 5622) 7
- Hospitals (NAICS 6221) 6
- Electrical equipment and appliance manufacturing (NAICS 3359) 5
- Support activities for transportation (NAICS 4881) 4
- Petroleum and coal products manufacturing (NAICS 3241) 4
- Educational services (NAICS 6113) 4
- Plastics and rubber products manufacturing (NAICS 3261) 3
- Chemical manufacturing (NAICS 3254) 3
Air-emissions stack tests recorded in Connecticut, 2017
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2017-12-01 | RAWSON MATERIALS, PLANT NO. 5 | PLAINFIELD, Windham, CT | Pass | State |
| 2017-11-30 | RAWSON MATERIALS, PLANT NO. 4 | PLAINFIELD, Windham, CT | Pass | State |
| 2017-11-09 | O & G INDUSTRIES, INC | BRIDGEPORT, Fairfield, CT | Pass | State |
| 2017-11-09 | O&G INDUSTRIES, INC. - SOUTHBURY QUARRY | SOUTHBURY, New Haven, CT | Pass | State |
| 2017-11-08 | O&G INDUSTRIES, INC. | NEW MILFORD, Litchfield, CT | Pass | State |
| 2017-08-16 | TILCON CONNECTICUT/ NORTH BRANFORD PLANT | NORTH BRANFORD, New Haven, CT | Pass | State |
| 2017-06-28 | TILCON CONNECTICUT - PLAINVILLE PLANT | PLAINVILLE, Hartford, 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.