EPA TRI Facility · Chemicals
Koppers Inc
Cicero, IL · Parent: Koppers Inc
- Total releases
- 797.2K lbs
- Chemicals reported
- 17
- Carcinogens
- 7
- Primary pathway
- Air Releases
AIR Form-R mix
Koppers Inc: how the 797.2K lbs splits
797.2K lbs across all reported pathways
- Air Releases 796.6K lbs 99.9%
- Off-site Transfers 566 lbs 0.1%
Koppers Inc's 797.2K lbs Form-R total is AIR - air releases is 99.9% of the bar. Next segment: off-site transfers at 0.1%. Leading chemical by pounds: Maleic anhydride.
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
MID volume AIR pathway CARC-MID
Koppers Inc is an EPA Toxics Release Inventory reporter in Cicero, IL, in the chemicals sector. It reported 158.1K lbs of releases across 17 chemicals in 2023, and 797.2K lbs in total across its 2019-2023 reporting years. That ranks 1,489 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Illinois's 951 reporting TRI sites, pounds #1 is not chemical-count #1. Koppers Inc is pounds #58 and chemical-count #30 at 797.2K lbs. Prairie State Generating Co leads reported pounds (37.9M lbs) at 31 chemicals (chemical-count #8). Veolia N.a. Inc. leads chemical count at 141 chemicals (1.9M lbs, pounds #34). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Exxonmobil Cicero Lube Plant; Citgo Petroleum Corp Cicero Lubricants Manufacturing Plant; Brad Foote Gear Works; Daubert Chemical Co. Similar-scale Chemicals peers outside Illinois: Chemtrade Solutions-Syracuse; Ever Cat Fuels LLC; Braskem America Inc-Laporte Site; Kemira Chemicals Inc. Other Koppers Inc sites in this extract: Koppers Performance Chemicals; Koppers Follansbee Tar Plant; Koppers Inc. (north Little Rock Ar); Koppers Performance Chemcials. Largest disclosed chemicals by pounds: Maleic anhydride; Phthalic anhydride; Naphthalene; Benzene.
Koppers Inc stamps MID volume with a dominant AIR pathway (99.9% air releases) across 17 chemicals · 7 carcinogen-classified. Cumulative Form-R extract: 797.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Chemtrade Solutions-Syracuse and Ever Cat Fuels LLC.
Koppers Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
797K lbs Top 6% higher than 94% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Koppers Inc in the Chemicals sector extract
Among the 3,917 Chemicals facilities in this database, Koppers Inc reports the 305th-largest volume, placing it in the top 7.8% of its sector. Scale peers outside Illinois include Chemtrade Solutions-Syracuse and Ever Cat Fuels LLC.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Koppers Inc's total reported releases rose from 150.2 thousand lb in 2022 to 158.1 thousand lb in 2023, based on EPA TRI filings.
- Koppers Inc's off-site transfers fell from 349 lb in 2022 to 44 lb in 2023, based on EPA TRI filings.
- Koppers Inc's air releases rose from 149.8 thousand lb in 2022 to 158.0 thousand lb in 2023, based on EPA TRI filings.
Koppers Inc Form-R facts
Compare this facility
See how Koppers Inc stacks up against nearby facilities and the typical reporter.
4726.4× more than the comparison
17.0× more than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Koppers Inc releases toxic chemicals into the environment. Total: 797.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 8% (171.3K lbs to 158.1K lbs).
Koppers Inc: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Koppers Inc year-over-year reported totals (decreased by 8% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Maleic anhydride.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 171.3K lbs | 17 |
| 2020 | 158.9K lbs | 17 |
| 2021 | 158.8K lbs | 17 |
| 2022 | 150.2K lbs | 17 |
| 2023 | 158.1K lbs | 17 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 7 of 17 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Maleic anhydride | 258.7K lbs | - |
| Phthalic anhydride | 220.5K lbs | - |
| Naphthalene | 148.8K lbs | Carcinogen |
| Benzene | 61.3K lbs | Carcinogen |
| Xylene (mixed isomers) | 39.4K lbs | - |
| Toluene | 22.6K lbs | - |
| Phenol | 22.5K lbs | - |
| Ethylbenzene | 6.3K lbs | Carcinogen |
| Polycyclic aromatic compounds | 5.9K lbs | Carcinogen |
| Phenanthrene | 5.9K lbs | - |
| Anthracene | 2.3K lbs | - |
| Quinoline | 1.1K lbs | Carcinogen |
| Biphenyl | 819 lbs | - |
| Styrene | 388 lbs | Carcinogen |
| Dibenzofuran | 355 lbs | - |
| Benzo[g,h,i]perylene | 148 lbs | - |
| Creosote | 0 lbs | Carcinogen |
Koppers Inc · AIR-pathway site
Nearest TRI Facilities to Koppers Inc
Closest other reporters in Illinois - including Exxonmobil Cicero Lube Plant, Citgo Petroleum Corp Cicero Lubricants Manufacturing Plant, Brad Foote Gear Works, ordered by distance.
Showing 8 of 950 other reporting facilities in Illinois.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Illinois - e.g. Chemtrade Solutions-Syracuse, Ever Cat Fuels LLC, Braskem America Inc-Laporte Site.
Compare beyond Illinois
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Koppers Inc on cumulative reported pounds (797.2K lbs) and distinct chemical count (17). Release-pound peers include Globalfoundries U.S. 2 LLC - Vermont Facility, Arclin Surfaces LLC, Xerxes Corp. Chemical-count peers include Astro Chemicals Inc, Doremus Terminal LLC, Rq Resins LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- Globalfoundries U.S. 2 LLC - Vermont Facility Essex Junction, VT · Computers and Electronic Products 798.3K lbs reported
- Arclin Surfaces LLC Hayward, WI · Paper 795.7K lbs reported
- Xerxes Corp Seguin, TX · Plastics and Rubber 795.3K lbs reported
- 3M Co - Menomonie Menomonie, WI · Plastics and Rubber 795.2K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Koppers Inc Facilities
Same-parent TRI sites ranked by reported releases - including Koppers Performance Chemicals, Koppers Follansbee Tar Plant, Koppers Inc. (north Little Rock Ar).
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Maleic anhydride, Phthalic anhydride, Naphthalene, Benzene; nearby reporters include Exxonmobil Cicero Lube Plant. Koppers Inc stamps MID volume · AIR pathway · CARC-MID carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Koppers Inc TRI extract (MID · AIR · CARC-MID · lead Maleic anhydride) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Koppers Inc totals are self-reported EPCRA §313 estimates for Cicero, IL, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325194 · Chemicals. 1.2% of Cook TRI pounds in this extract. Nearest ABS peer: Globalfoundries U.S. 2 LLC - Vermont Facility (Δ 1.1K lbs). Pounds ≠ exposure.
Koppers Inc stamps MID volume · AIR pathway · CARC-MID · lead Maleic anhydride. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov