EPA TRI Facility · Primary Metals
O'Hare Foundry Corp
Maplewood, MO
- Total releases
- 2.6K lbs
- Chemicals reported
- 3
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
O'Hare Foundry Corp: how the 2.6K lbs splits
2.6K lbs across all reported pathways
- Air Releases 2.1K lbs 83.3%
- Off-site Transfers 431 lbs 16.7%
O'Hare Foundry Corp's 2.6K lbs Form-R total is AIR - air releases is 83.3% of the bar. Next segment: off-site transfers at 16.7%. Leading chemical by pounds: Copper.
LIGHT volume AIR pathway CLEAN
O'Hare Foundry Corp is an EPA Toxics Release Inventory reporter in Maplewood, MO, in the primary metals sector. It reported 874 lbs of releases across 2 chemicals in 2023, and 2.6K lbs in total across its 2019-2023 reporting years. That ranks 12,367 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Missouri's 491 reporting TRI sites, pounds #1 is not chemical-count #1. O'Hare Foundry Corp is pounds #304 and chemical-count #247 at 2.6K lbs. Buick Mine/mill leads reported pounds (48.2M lbs) at 8 chemicals (chemical-count #66). Buzzi Unicem Usa-Cape Girardeau leads chemical count at 87 chemicals (904.5K lbs, pounds #44). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: US Ringbinder; Ice Cream Specialties Inc- St Louis; Chemisphere Corp; Midland Optical. Similar-scale Primary Metals peers outside Missouri: Ati Specialty Materials - Monroe Plant; Worthington Steel Co; Pure Castings Co; Bull Moose Tube Co. Largest disclosed chemicals by pounds: Copper; Lead And Lead Compounds; Lead compounds.
O'Hare Foundry Corp stamps LIGHT volume with a dominant AIR pathway (83.3% air releases) across 3 chemicals. Cumulative Form-R extract: 2.6K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Ati Specialty Materials - Monroe Plant and Worthington Steel Co.
O'Hare Foundry Corp vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
2.6K lbs Top 48% higher than 52% 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
O'Hare Foundry Corp: Copper-led volume
Among the 1,603 Primary Metals facilities in this database, O'Hare Foundry Corp reports the 929th-largest volume (2.6K lbs). Its reported volume is concentrated rather than spread: Copper alone is 97.5% of the total. Scale peers outside Missouri include Ati Specialty Materials - Monroe Plant and Worthington Steel Co.
Concentrated means ≥60% of O'Hare Foundry Corp's pounds in one chemical - here Copper at 97.5%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- O'Hare Foundry Corp's total reported releases fell from 959 lb in 2022 to 874 lb in 2023, based on EPA TRI filings.
- O'Hare Foundry Corp's off-site transfers fell from 139 lb in 2022 to 47 lb in 2023, based on EPA TRI filings.
O'Hare Foundry Corp Form-R facts
Compare this facility
See how O'Hare Foundry Corp stacks up against nearby facilities and the typical reporter.
56% more than the comparison
3.0× 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 O'Hare Foundry Corp releases toxic chemicals into the environment. Total: 2.6K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 251% (249 lbs to 874 lbs).
O'Hare Foundry 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 O'Hare Foundry Corp year-over-year reported totals (increased by 251% 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: Copper.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 249 lbs | 2 |
| 2020 | 243 lbs | 2 |
| 2021 | 254 lbs | 2 |
| 2022 | 959 lbs | 2 |
| 2023 | 874 lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Copper | 2.5K lbs | - |
| Lead And Lead Compounds | 48 lbs | - |
| Lead compounds | 16 lbs | - |
O'Hare Foundry Corp · AIR-pathway site
Nearest TRI Facilities to O'Hare Foundry Corp
Closest other reporters in Missouri - including US Ringbinder, Ice Cream Specialties Inc- St Louis, Chemisphere Corp, ordered by distance.
Showing 8 of 490 other reporting facilities in Missouri.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Missouri - e.g. Ati Specialty Materials - Monroe Plant, Worthington Steel Co, Pure Castings Co.
Compare beyond Missouri
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest O'Hare Foundry Corp on cumulative reported pounds (2.6K lbs) and distinct chemical count (3). Release-pound peers include Worthington Samuel Coil Processing - East, Celanese Polymer Products LLC, Alpha Wire Co. 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 Copper, Lead And Lead Compounds, Lead compounds; nearby reporters include US Ringbinder. O'Hare Foundry Corp stamps LIGHT volume · AIR pathway · CLEAN 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 O'Hare Foundry Corp TRI extract (LIGHT · AIR · CLEAN · lead Copper) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
O'Hare Foundry Corp totals are self-reported EPCRA §313 estimates for Maplewood, MO, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331524 · Primary Metals. 0.1% of St. Louis TRI pounds in this extract. Nearest ABS peer: Worthington Samuel Coil Processing - East (Δ 1 lbs). Pounds ≠ exposure.
O'Hare Foundry Corp stamps LIGHT volume · AIR pathway · CLEAN · lead Copper. 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