EPA Air · stack tests by state and year
Air-emissions stack tests in Delaware, 2024
- 185Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Delaware during 2024; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Delaware, 2024
Delaware, other years
Air-emissions stack tests recorded in Delaware, 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-12-10 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-10 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-10 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-10 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2024-12-10 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2024-12-10 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2024-12-10 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2024-12-10 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2024-12-10 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2024-12-10 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2024-12-06 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-06 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-06 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-06 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-06 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-03 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-03 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-03 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-03 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-11-13 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Fail | State |
| 2024-11-13 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Fail | State |
| 2024-11-08 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-11-08 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-11-05 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-11-05 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-11-05 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-10-29 | COLORS & EFFECTS USA LLC - NEWPORT | WILMINGTON, New Castle, DE | Pass | State |
| 2024-10-29 | COLORS & EFFECTS USA LLC - NEWPORT | WILMINGTON, New Castle, DE | Pass | State |
| 2024-10-29 | COLORS & EFFECTS USA LLC - NEWPORT | WILMINGTON, New Castle, DE | N/A | State |
| 2024-10-29 | COLORS & EFFECTS USA LLC - NEWPORT | WILMINGTON, New Castle, DE | Pass | State |
| 2024-10-29 | COLORS & EFFECTS USA LLC - NEWPORT | WILMINGTON, New Castle, DE | N/A | State |
| 2024-10-29 | COLORS & EFFECTS USA LLC - NEWPORT | WILMINGTON, New Castle, DE | Pass | State |
| 2024-10-17 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-10-17 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | N/A | State |
| 2024-10-16 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-10-16 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | N/A | State |
| 2024-10-15 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | N/A | State |
| 2024-10-15 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-10-03 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-10-03 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-10-03 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-10-03 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-10-01 | EASTERN SHORE NATURAL GAS - BRIDGEVILLE | BRIDGEVILLE, Sussex, DE | Pass | State |
| 2024-10-01 | EASTERN SHORE NATURAL GAS - BRIDGEVILLE | BRIDGEVILLE, Sussex, DE | Pass | State |
| 2024-10-01 | EASTERN SHORE NATURAL GAS - BRIDGEVILLE | BRIDGEVILLE, Sussex, DE | Pass | State |
| 2024-09-24 | CALPINE MID-ATLANTIC GENERATION-DELAWARE CITY ENERGY CENTER | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-09-23 | CALPINE MID-ATLANTIC GENERATION-EDGE MOOR | WILMINGTON, New Castle, DE | Pass | State |
| 2024-09-19 | FIRST STATE GENERATION, LLC | WILMINGTON, New Castle, DE | Pass | State |
| 2024-09-18 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-09-18 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-09-18 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-09-17 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-09-17 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-09-17 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-09-11 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-09-11 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-09-11 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-08-27 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-08-27 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-08-27 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-08-15 | CHRISTIANA MATERIALS, LLC | WILMINGTON, New Castle, DE | Pass | State |
| 2024-08-15 | CHRISTIANA MATERIALS, LLC | WILMINGTON, New Castle, DE | Pass | State |
| 2024-08-15 | CHRISTIANA MATERIALS, LLC | WILMINGTON, New Castle, DE | N/A | State |
| 2024-08-15 | CHRISTIANA MATERIALS, LLC | WILMINGTON, New Castle, DE | Pass | State |
| 2024-08-15 | CHRISTIANA MATERIALS, LLC | WILMINGTON, New Castle, DE | Pass | State |
| 2024-08-15 | CHRISTIANA MATERIALS, LLC | WILMINGTON, New Castle, DE | Pass | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Fail | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Fail | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-08-09 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-08-07 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-08-02 | BUCKEYE TERMINALS | WILMINGTON, New Castle, DE | Pass | State |
| 2024-08-01 | CALPINE MID-ATLANTIC GENERATION-CHRISTIANA ENERGY CENTER | WILMINGTON, New Castle, DE | Pass | State |
| 2024-07-30 | OMI, INC./CITY OF WILMINGTON (REBF) | WILMINGTON, New Castle, DE | Pass | State |
| 2024-07-30 | OMI, INC./CITY OF WILMINGTON (REBF) | WILMINGTON, New Castle, DE | Pass | State |
| 2024-07-30 | OMI, INC./CITY OF WILMINGTON (REBF) | WILMINGTON, New Castle, DE | Pass | State |
| 2024-07-30 | OMI, INC./CITY OF WILMINGTON (REBF) | WILMINGTON, New Castle, DE | Pass | State |
| 2024-07-29 | CALPINE MID-ATLANTIC GENERATION-WEST ENERGY CENTER | WILMINGTON, New Castle, DE | Pass | State |
| 2024-07-23 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-07-23 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-07-17 | INDIAN RIVER POWER LLC | MILLSBORO, Sussex, DE | Pass | State |
| 2024-07-17 | INDIAN RIVER POWER LLC | MILLSBORO, Sussex, DE | Pass | State |
| 2024-07-17 | INDIAN RIVER POWER LLC | MILLSBORO, Sussex, DE | Pass | State |
| 2024-06-19 | RIVER ASPHALT II | DELMAR, Sussex, DE | Pass | State |
| 2024-06-19 | RIVER ASPHALT II | DELMAR, Sussex, DE | Pass | State |
| 2024-06-19 | RIVER ASPHALT II | DELMAR, Sussex, DE | Pass | State |
| 2024-06-19 | RIVER ASPHALT II | DELMAR, Sussex, DE | Pass | State |
| 2024-05-09 | HANDYTUBE LLC | CAMDEN, Kent, DE | N/A | State |
| 2024-05-09 | HANDYTUBE LLC | CAMDEN, Kent, DE | N/A | State |
| 2024-05-01 | ALLAN MYERS, DELAWARE, INC - GEORGETOWN | GEORGETOWN, Sussex, DE | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.