ICIS-AIR PA000245050
AGC CHEM AMER INC/THORNDALE, Downingtown, PA: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Synthetic minor sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 19Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 0Formal enforcement actions since January 1, 2017
AGC CHEM AMER INC/THORNDALE is on EPA’s ICIS-AIR register at 255 S BAILEY RD, Downingtown in Chester County, Pennsylvania: operating status operating, emissions classification synthetic minor source, current violation status “No Violation Identified”. Chester County is on EPA’s Green Book list of areas that do not meet a national air quality standard.
Identity
| Facility as filed | AGC CHEM AMER INC/THORNDALE |
|---|---|
| ICIS-AIR ID | PA000245050 |
| EPA facility registry ID | 110000496384 |
| Operating status | Operating |
| Emissions classification | Synthetic minor source |
| Current violation status (HPV field) | No Violation Identified |
| Address | 255 S BAILEY RD, Downingtown, PA 19335-2003 |
| County | Chester County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Chemical manufacturing (NAICS 3259) |
| SIC code | 3087 |
| EPA region | 03 |
Programs and pollutants
The program, pollutant and Title V files are not loaded: what this page covers.
Compliance evaluations
- 19Evaluations since January 1, 2017
- 4Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| October 8, 2026 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 13, 2026 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| December 5, 2025 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| November 24, 2025 | PCE On-Site Monitoring/Sampling | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| April 10, 2025 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| May 15, 2024 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| February 7, 2024 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| November 28, 2023 | PCE On-Site Monitoring/Sampling | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 11, 2023 | PCE On-Site Monitoring/Sampling | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 23, 2023 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 2, 2022 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| August 10, 2021 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| February 19, 2021 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| September 30, 2020 | PCE On-Site Monitoring/Sampling | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| April 9, 2020 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 14, 2019 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| January 17, 2019 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 25, 2017 | PCE On-Site Monitoring/Sampling | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 10, 2017 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
Violations
- 1Violation determinations since January 1, 2017
- 0Of them high-priority
What high-priority and federally reportable violations mean.
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| February 7, 2024 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
Enforcement and penalties
0 of the formal enforcement actions carry a penalty filed above zero. How a penalty is shown.
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| February 12, 2024 | Notice of Violation | State |
Stack tests
- 1Stack tests since January 1, 2017
- 0Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| January 20, 2022 | Pass | State |
Watch AGC CHEM AMER INC/THORNDALE
Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110000496384).
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EPA ICIS-AIR download, loaded September 14, 2026.