EPA TRI Facility · Machinery
Aaon Inc
Tulsa, OK
- Total releases
- 77.1K lbs
- Chemicals reported
- 3
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Aaon Inc: how the 77.1K lbs splits
77.1K lbs across all reported pathways
- Air Releases 77.1K lbs 100.0%
Aaon Inc's 77.1K 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: Xylene (mixed isomers).
LIGHT volume AIR pathway CLEAN
Aaon Inc is an EPA Toxics Release Inventory reporter in Tulsa, OK, in the machinery sector. It reported 12.3K lbs of releases across 2 chemicals in 2023, and 77.1K lbs in total across its 2019-2023 reporting years. That ranks 5,152 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Oklahoma's 350 reporting TRI sites, pounds #1 is not chemical-count #1. Aaon Inc is pounds #84 and chemical-count #175 at 77.1K lbs. International Paper Co leads reported pounds (28.8M lbs) at 21 chemicals (chemical-count #10). Clean Harbors Lone Mountain LLC Lone Mountain Facility leads chemical count at 51 chemicals (15.9M lbs, pounds #3). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Azz Galvanizing-Tulsa; US Ecology Tulsa Inc; Hf Sinclair Tulsa Refining West Facility; Hf Siinclair Tulsa Refining LLC East Facility. Similar-scale Machinery peers outside Oklahoma: Agco Corp. Jackson Operations; John Deere Seeding & Cylinder; Repligen Corp; Dauphin Precision Tool LLC. Largest disclosed chemicals by pounds: Xylene (mixed isomers); n-Butyl alcohol; Diisocyanates.
Aaon Inc stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 3 chemicals. Cumulative Form-R extract: 77.1K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Agco Corp. Jackson Operations and John Deere Seeding & Cylinder.
Aaon Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
77K lbs Top 20% higher than 80% 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
Aaon Inc: Xylene (mixed isomers)-led volume
Among the 1,186 Machinery facilities in this database, Aaon Inc reports the 68th-largest volume, placing it in the top 5.7% of its sector. Its reported volume is concentrated rather than spread: Xylene (mixed isomers) alone is 70.3% of the total. Scale peers outside Oklahoma include Agco Corp. Jackson Operations and John Deere Seeding & Cylinder.
Concentrated means ≥60% of Aaon Inc's pounds in one chemical - here Xylene (mixed isomers) at 70.3%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Aaon Inc's total reported releases rose from 11.3 thousand lb in 2022 to 12.3 thousand lb in 2023, based on EPA TRI filings.
- Aaon Inc's air releases rose from 11.3 thousand lb in 2022 to 12.3 thousand lb in 2023, based on EPA TRI filings.
Aaon Inc Form-R facts
Compare this facility
See how Aaon Inc stacks up against nearby facilities and the typical reporter.
24% more than the comparison
50% 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 Aaon Inc releases toxic chemicals into the environment. Total: 77.1K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 63% (33.3K lbs to 12.3K lbs).
Aaon Inc: 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 Aaon Inc year-over-year reported totals (decreased by 63% 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: Xylene (mixed isomers).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 33.3K lbs | 3 |
| 2020 | 10.4K lbs | 2 |
| 2021 | 9.7K lbs | 2 |
| 2022 | 11.3K lbs | 2 |
| 2023 | 12.3K lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Xylene (mixed isomers) | 54.2K lbs | - |
| n-Butyl alcohol | 22.9K lbs | - |
| Diisocyanates | 25 lbs | - |
Aaon Inc · AIR-pathway site
Nearest TRI Facilities to Aaon Inc
Closest other reporters in Oklahoma - including Azz Galvanizing-Tulsa, US Ecology Tulsa Inc, Hf Sinclair Tulsa Refining West Facility, ordered by distance.
Showing 8 of 349 other reporting facilities in Oklahoma.
Similar Machinery Facilities
Other Machinery facilities with similar total release volumes (±80%), outside Oklahoma - e.g. Agco Corp. Jackson Operations, John Deere Seeding & Cylinder, Repligen Corp.
Compare beyond Oklahoma
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Aaon Inc on cumulative reported pounds (77.1K lbs) and distinct chemical count (3). Release-pound peers include Pb Leiner USA, Ashland Specialty Ingredients G.p., Okonite Co 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 Xylene (mixed isomers), n-Butyl alcohol, Diisocyanates; nearby reporters include Azz Galvanizing-Tulsa. Aaon Inc 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 Aaon Inc TRI extract (LIGHT · AIR · CLEAN · lead Xylene (mixed isomers)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Aaon Inc totals are self-reported EPCRA §313 estimates for Tulsa, OK, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 333415 · Machinery. 0.9% of Tulsa TRI pounds in this extract. Nearest ABS peer: Pb Leiner USA (Δ 3 lbs). Pounds ≠ exposure.
Aaon Inc stamps LIGHT volume · AIR pathway · CLEAN · lead Xylene (mixed isomers). 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