Pq Corporation
1201 West Front Street, Chester, PA 19013, Delaware County
A manufacturing facility in Chester, Pennsylvania, listed in EPA records under search, detection, navigation, guidance, aeronautical, and nautical system and instrument manufacturing (NAICS 334511) and also other basic inorganic chemical manufacturing. It is one of 5,394 active manufacturing facilities in EPA records in Pennsylvania.
- Industry
- Computers and electronics
- NAICS 334
- TRI reporter
- Yes
- Inspections, 5 yr
- 14
- EPA registry ID
- 110000878881
- Revised
- November 1, 2026
What's made here
- Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (NAICS 334511)
- Other Basic Inorganic Chemical Manufacturing (NAICS 325180)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 19013THPQCFRONT). |
|---|---|
| Clean Air Act | Listed as a major source of air emissions. |
| Clean Water Act | A non-major water discharge permit (NPDES). |
| Hazardous waste (RCRA) | Listed as a very small quantity generator of hazardous waste (under 100 kg a month). |
| Greenhouse gas reporting | Reports to the Greenhouse Gas Reporting Program. |
| Inspections | 14 in the last five years; most recent March 19, 2026. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records