EPA TRI Facility · Primary Metals
Ironunits LLC
Toledo, OH · Parent: Cleveland-Cliffs Inc
- Total releases
- 101.4K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Ironunits LLC: how the 101.4K lbs splits
101.4K lbs across all reported pathways
- Air Releases 96.7K lbs 95.3%
- Water Discharges 4.2K lbs 4.2%
- Off-site Transfers 502 lbs 0.5%
- Land Disposal 0 lbs <0.1%
Ironunits LLC's 101.4K lbs Form-R total is AIR - air releases is 95.3% of the bar. Next segment: water discharges at 4.2%. Leading chemical by pounds: Ammonia.
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 TRACE-CARC
Ironunits LLC is an EPA Toxics Release Inventory reporter in Toledo, OH, in the primary metals sector. It reported 33.9K lbs of releases across 2 chemicals in 2023, and 101.4K lbs in total across its 2021-2023 reporting years. That ranks 4,550 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Ohio's 1,299 reporting TRI sites, pounds #1 is not chemical-count #1. Ironunits LLC is pounds #275 and chemical-count #579 at 101.4K lbs. Ineos Nitriles USA LLC leads reported pounds (42.4M lbs) at 31 chemicals (chemical-count #10). Heritage Thermal Services leads chemical count at 217 chemicals (431.4K lbs, pounds #116). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Envirosafe Services of Ohio Inc; Ohio Refining Co; Chemtrade Refinery Solutions LP; Citgo Holding Terminals LLC. Similar-scale Primary Metals peers outside Ohio: Lehigh Specialty Melting Inc; US Premier Tube Mills; Dunkirk Specialty Steel LLC; Skyline Steel Llc-Longview. Other Cleveland-Cliffs Inc sites in this extract: Cleveland-Cliffs Steel Corp (rockport Works ); Cleveland-Cliffs Steel Corp Dearborn Works; Cleveland-Cliffs Burns Harbor LLC; Cleveland-Cliffs Cleveland Works LLC. Largest disclosed chemicals by pounds: Ammonia; Sodium nitrite; Lead.
Ironunits LLC stamps MID volume with a dominant AIR pathway (95.3% air releases) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 101.4K lbs (2021–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Lehigh Specialty Melting Inc and US Premier Tube Mills.
Ironunits LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
101K lbs Top 18% higher than 82% 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
Ironunits LLC: Ammonia-led volume
Among the 1,603 Primary Metals facilities in this database, Ironunits LLC reports the 409th-largest volume (101.4K lbs). Its reported volume is concentrated rather than spread: Ammonia alone is 97.2% of the total. Scale peers outside Ohio include Lehigh Specialty Melting Inc and US Premier Tube Mills.
Concentrated means ≥60% of Ironunits LLC's pounds in one chemical - here Ammonia at 97.2%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Ironunits LLC's total reported releases fell from 35.2 thousand lb in 2022 to 33.9 thousand lb in 2023, based on EPA TRI filings.
- Ironunits LLC's off-site transfers fell from 326 lb in 2022 to 12 lb in 2023, based on EPA TRI filings.
- Ironunits LLC's water releases fell from 3.2 thousand lb in 2022 to 596 lb in 2023, based on EPA TRI filings.
- Ironunits LLC's chemicals reported fell from 3 in 2022 to 2 in 2023, based on EPA TRI filings.
Ironunits LLC Form-R facts
Compare this facility
See how Ironunits LLC stacks up against nearby facilities and the typical reporter.
98% less than the comparison
82% 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 Ironunits LLC releases toxic chemicals into the environment. Total: 101.4K lbs.
Emissions Trend Summary
From 2021 to 2023, total releases increased by 5% (32.3K lbs to 33.9K lbs).
Ironunits LLC: annual Form-R pounds
MID site · AIR pathway · TRI years 2021–2023
- 2021 0
- 2022 0
- 2023 0
What this shows Ironunits LLC year-over-year reported totals (increased by 5% from 2021 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: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2021 | 32.3K lbs | 3 |
| 2022 | 35.2K lbs | 3 |
| 2023 | 33.9K lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2021–2023). 1 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 98.6K lbs | - |
| Sodium nitrite | 2.8K lbs | - |
| Lead | 35 lbs | Carcinogen |
Ironunits LLC · AIR-pathway site
Nearest TRI Facilities to Ironunits LLC
Closest other reporters in Ohio - including Envirosafe Services of Ohio Inc, Ohio Refining Co, Chemtrade Refinery Solutions LP, ordered by distance.
Showing 8 of 1,298 other reporting facilities in Ohio.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Ohio - e.g. Lehigh Specialty Melting Inc, US Premier Tube Mills, Dunkirk Specialty Steel LLC.
Compare beyond Ohio
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Ironunits LLC on cumulative reported pounds (101.4K lbs) and distinct chemical count (3). Release-pound peers include Great Lakes Composites LLC, Valley Queen Cheese Factory Inc., Daramic LLC. 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.
- Great Lakes Composites LLC Owosso, MI · Plastics and Rubber 101.4K lbs reported
- Valley Queen Cheese Factory Inc. Milbank, SD · Food 101.4K lbs reported
- Daramic LLC Corydon, IN · Plastics and Rubber 101.4K lbs reported
- Oneok Field Svc/maysville Gas Plt Maysville, OK · Natural Gas Processing 101.4K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Cleveland-Cliffs Inc Facilities
Same-parent TRI sites ranked by reported releases - including Cleveland-Cliffs Steel Corp (rockport Works ), Cleveland-Cliffs Steel Corp Dearborn Works, Cleveland-Cliffs Burns Harbor LLC.
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 Ammonia, Sodium nitrite, Lead; nearby reporters include Envirosafe Services of Ohio Inc. Ironunits LLC stamps MID 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 Ironunits LLC TRI extract (MID · AIR · TRACE-CARC · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Ironunits LLC totals are self-reported EPCRA §313 estimates for Toledo, OH, latest year 2023. Form-R rows span 2021–2023 (3 years). NAICS 331110 · Primary Metals. 0.5% of Lucas TRI pounds in this extract. Nearest ABS peer: Great Lakes Composites LLC (Δ 12 lbs). Pounds ≠ exposure.
Ironunits LLC stamps MID volume · AIR pathway · TRACE-CARC · lead Ammonia. 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