Secondary report · provider attributed

Koppers WARN notice — PA, 2016-06-01

Name: Koppers Inc. WARN notice
Creator: WARN Feed
License: https://creativecommons.org/licenses/by/4.0/

WARN Feed secondary report: Koppers Inc. reported 46 workers affected in Pennsylvania. Notice date: Jun 1, 2016; planned effective date: Aug 5, 2016.

Raw employer name: Koppers Inc.
Canonical company: Koppers →
Workers affected: 46
Event type: closure
Filing status: filed
Provider notice date (unverified): Jun 1, 2016
Effective date: Aug 5, 2016
City: Unavailable
County: Unavailable
State: Pennsylvania →
ZIP: Unavailable
Reported location: Clairton, Allegheny
Published address: Unavailable
Source classification: Closing
Jurisdiction agency reference: Pennsylvania Department of Labor & Industry

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Original source & provenance

Licensed secondary report
WARN Feed · CC BY 4.0
Provider snapshot: Sep 25, 2026 · STALE
Government document not independently verified.

Open supplied source ↗

Government agency reference
Pennsylvania Department of Labor & Industry

Source ID / record ID
pa-dli / warn-feed:3b4abf4d284de83b

First ingested
Oct 7, 2026 · 13:23 UTC

Last observed
Oct 7, 2026 · 13:23 UTC

Snapshot SHA-256
5adcffe0d3dd27e178166bb1c8b76674c27362ed230560d33bdd301e2a8d4177

View original source row

{
  "provider": "WARN Feed",
  "providerUrl": "https://approjects-warn-act-notices.static.hf.space/",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "generatedAt": "2026-09-25T00:11:25.651533Z",
  "reported": {
    "id": "3b4abf4d284de83b",
    "state": "PA",
    "company": "Koppers Inc.",
    "company_canonical": "Koppers",
    "company_dba": "",
    "location": "Clairton, Allegheny",
    "employees_affected": "46",
    "notice_date": "2016-06-01",
    "effective_date": "2016-08-05",
    "notice_type": "Closing",
    "first_seen": "2016-08-05T00:00:00Z"
  },
  "transforms": [
    "Canonical employer name normalized locally.",
    "Unstructured locations are preserved without guessing city, address or ZIP.",
    "NJ provider dates have imputed first-of-month days; notice date withheld."
  ]
}

A source-linked public record. Secondary records are attributed to their provider and are not independently verified. For direct records, “Verified” means sourced from an official agency; it does not confirm the layoffs took place.

Related company filings

Company / location	Workers	Effective date	Notice date	Type / source
KoppersFlorence · SC recordSecondary · WARN Feed	66	Apr 21, 2026	Unavailable	UnavailableSource ↗

Dates and counts are the supplied source’s reported values. Secondary-provider locations are unstructured; they are not confirmed worksite addresses. Check the original document for phased dates, updates and exceptions.

Koppers WARN notice — PA, 2016-06-01

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