Clean Air Act stationary source · ICIS-AIR DE0000001000300383
AIR LIQUIDE ADVANCED SEPARATIONS, NEWPORT PLANT, Newport, DE: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Synthetic minor sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 38Compliance evaluations since January 1, 2017
- 1High-priority violations since January 1, 2017
- 1Formal enforcement actions since January 1, 2017
AIR LIQUIDE ADVANCED SEPARATIONS, NEWPORT PLANT, at 305 WATER STREET, Newport in New Castle County, Delaware, is an operating synthetic minor source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “No Violation Identified”. New Castle County is on EPA’s Green Book list of areas that do not meet a national air quality standard. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.
Identity
| Facility as filed | AIR LIQUIDE ADVANCED SEPARATIONS, NEWPORT PLANT |
|---|---|
| ICIS-AIR ID | DE0000001000300383 |
| EPA facility registry ID | 110000338796 |
| Operating status | Operating |
| Emissions classification | Synthetic minor source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | 305 WATER STREET, Newport, DE 198042410 |
| County | New Castle County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Chemical manufacturing (NAICS 3252) |
| SIC code | 2824 |
| EPA region | 03 |
Cited to the EPA ICIS-AIR facility file (ECHO download).
Programs and pollutants
Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs AIR LIQUIDE ADVANCED SEPARATIONS, NEWPORT PLANT is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.
Compliance evaluations
- 38Evaluations since January 1, 2017
- 2Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| April 10, 2026 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 23, 2025 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| May 13, 2025 | PCE Off-Site - Review of 114 Response | U.S. EPA | Information Requests, Monitoring, & Recordkeeping |
| January 27, 2025 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| November 3, 2024 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| April 22, 2024 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| February 7, 2024 | PCE On-Site Record/Report Review | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| January 10, 2024 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 28, 2023 | FCE On-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 26, 2022 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 13, 2022 | PCE On-Site Record/Report Review | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| September 1, 2022 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| July 29, 2022 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| May 3, 2022 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| January 24, 2022 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| July 21, 2021 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 16, 2021 | PCE On-Site Record/Report Review | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| May 24, 2021 | PCE On-Site Record/Report Review | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| May 7, 2021 | PCE On-Site Record/Report Review | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| April 20, 2021 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| January 25, 2021 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 12, 2020 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| July 31, 2020 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| July 16, 2020 | PCE On-Site Record/Report Review | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| April 22, 2020 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| January 31, 2020 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 29, 2019 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 1, 2019 | PCE On-Site Record/Report Review | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| August 28, 2019 | PCE On-Site Record/Report Review | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| August 22, 2019 | PCE On-Site Record/Report Review | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| August 8, 2019 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V |
| April 29, 2019 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V |
| January 30, 2019 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| January 8, 2019 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V |
| November 16, 2018 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V |
| September 25, 2018 | FCE On-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 18, 2018 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| July 20, 2017 | PCE On-Site Record/Report Review | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
Violations
- 1Violation determinations since January 1, 2017
- 1Of them high-priority
A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| September 16, 2018 | HPV day-zero determination | State | Federally-Enforceable State Operating Permit - Non Title V; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
Enforcement and penalties
1 formal enforcement actions since January 1, 2017, 1 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.
| Date | What EPA recorded | Agency | Penalty, as filed |
|---|---|---|---|
| January 11, 2019 | Administrative Order | State | $80,000 |
Informal enforcement
EPA’s informal action file holds no notice or warning for ICIS-AIR DE0000001000300383 since January 1, 2017.
Stack tests
- 9Stack tests since January 1, 2017
- 0Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| November 16, 2023 | Pass | State |
| November 16, 2023 | Pass | State |
| November 16, 2023 | Pass | State |
| November 16, 2023 | Pass | State |
| September 13, 2023 | Pass | State |
| September 12, 2023 | Pass | State |
| December 4, 2019 | Pass | State |
| December 7, 2018 | Pass | State |
| December 7, 2018 | Pass | State |
Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.
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How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110000338796 there.
Nearby on the register
- Air-emissions sources in New Castle County
- Every source record in New Castle County, A to Z
- Air-emissions sources in Delaware
- Every source record in Delaware, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.