EPA TRI Facility · Primary Metals
Imperial Zinc Corp
Chicago, IL
- Total releases
- 42.4K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Imperial Zinc Corp: how the 42.4K lbs splits
42.4K lbs across all reported pathways
- Air Releases 42.4K lbs 100.0%
Imperial Zinc Corp's 42.4K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Zinc compounds.
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.
LIGHT volume AIR pathway TRACE-CARC
Imperial Zinc Corp is an EPA Toxics Release Inventory reporter in Chicago, IL, in the primary metals sector. It reported 9.4K lbs of releases across 3 chemicals in 2023, and 42.4K lbs in total across its 2019-2023 reporting years. That ranks 6,498 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. Imperial Zinc Corp is pounds #263 and chemical-count #398 at 42.4K 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: A Finkl & Sons Co DBA Finkl Steel - Chicago; Sherwin-Williams Co; Asphalt Operating Services of Chicago LLC; Befesa Zinc US Inc.. Similar-scale Primary Metals peers outside Illinois: Caterpillar Inc; Asama Coldwater Manufacturing; Liberty Casting Co Llc.; Pcc Structurals Inc Small Structurals Business Operation. Largest disclosed chemicals by pounds: Zinc compounds; Copper; Lead.
Imperial Zinc Corp stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 42.4K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Caterpillar Inc and Asama Coldwater Manufacturing.
Imperial Zinc Corp vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
42K lbs Top 25% higher than 75% 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
Imperial Zinc Corp: Zinc compounds-led volume
Among the 1,603 Primary Metals facilities in this database, Imperial Zinc Corp reports the 525th-largest volume (42.4K lbs). Its reported volume is concentrated rather than spread: Zinc compounds alone is 97.0% of the total. Scale peers outside Illinois include Caterpillar Inc and Asama Coldwater Manufacturing.
Concentrated means ≥60% of Imperial Zinc Corp's pounds in one chemical - here Zinc compounds at 97.0%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Imperial Zinc Corp's total reported releases rose from 8.8 thousand lb in 2022 to 9.4 thousand lb in 2023, based on EPA TRI filings.
- Imperial Zinc Corp's air releases rose from 8.8 thousand lb in 2022 to 9.4 thousand lb in 2023, based on EPA TRI filings.
Imperial Zinc Corp Form-R facts
Compare this facility
See how Imperial Zinc Corp stacks up against nearby facilities and the typical reporter.
99% less than the comparison
25% less 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 Imperial Zinc Corp releases toxic chemicals into the environment. Total: 42.4K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 67% (5.6K lbs to 9.4K lbs).
Imperial Zinc Corp: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Imperial Zinc Corp year-over-year reported totals (increased by 67% 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: Zinc compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 5.6K lbs | 3 |
| 2020 | 9.8K lbs | 3 |
| 2021 | 8.8K lbs | 3 |
| 2022 | 8.8K lbs | 3 |
| 2023 | 9.4K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Zinc compounds | 41.1K lbs | - |
| Copper | 1.3K lbs | - |
| Lead | 5 lbs | Carcinogen |
Imperial Zinc Corp · AIR-pathway site
Nearest TRI Facilities to Imperial Zinc Corp
Closest other reporters in Illinois - including A Finkl & Sons Co DBA Finkl Steel - Chicago, Sherwin-Williams Co, Asphalt Operating Services of Chicago LLC, ordered by distance.
Showing 8 of 950 other reporting facilities in Illinois.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Illinois - e.g. Caterpillar Inc, Asama Coldwater Manufacturing, Liberty Casting Co Llc..
Compare beyond Illinois
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Imperial Zinc Corp on cumulative reported pounds (42.4K lbs) and distinct chemical count (3). Release-pound peers include Caterpillar Inc, Dillon Manufacturing, Desoto Treated Materials Inc. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International Inc. 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
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 Zinc compounds, Copper, Lead; nearby reporters include A Finkl & Sons Co DBA Finkl Steel - Chicago. Imperial Zinc Corp stamps LIGHT volume · AIR pathway · TRACE-CARC 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 Imperial Zinc Corp TRI extract (LIGHT · AIR · TRACE-CARC · lead Zinc compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Imperial Zinc Corp totals are self-reported EPCRA §313 estimates for Chicago, IL, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331492 · Primary Metals. 0.1% of Cook TRI pounds in this extract. Nearest ABS peer: Caterpillar Inc (Δ 16 lbs). Pounds ≠ exposure.
Imperial Zinc Corp stamps LIGHT volume · AIR pathway · TRACE-CARC · lead Zinc compounds. 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