EPA TRI Facility · Fabricated Metals
Mauser - Mason
Mason, OH · Parent: Mauser Corp
- Total releases
- 461.2K lbs
- Chemicals reported
- 2
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Mauser - Mason: how the 461.2K lbs splits
461.2K lbs across all reported pathways
- Air Releases 461.2K lbs 100.0%
- Land Disposal 0 lbs <0.1%
Mauser - Mason's 461.2K lbs Form-R total is AIR - air releases is 100.0% of the bar. Next segment: land disposal at <0.1%. Leading chemical by pounds: Certain glycol ethers.
MID volume AIR pathway CLEAN
Mauser - Mason is an EPA Toxics Release Inventory reporter in Mason, OH, in the fabricated metals sector. It reported 74.9K lbs of releases across 2 chemicals in 2023, and 461.2K lbs in total across its 2019-2023 reporting years. That ranks 2,045 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. Mauser - Mason is pounds #107 and chemical-count #728 at 461.2K 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Cincinnati Fan & Ventilator Co; Hamilton Safe Inc-Mason; L3HARRIS Cincinnati Electronics Corp; Harris Products Group. Similar-scale Fabricated Metals peers outside Ohio: Magnetic Inspection Laboratory Inc; Lacks Wheel Trim Systems Barden Plater; Delta Faucet Co; Duncan Galvanizing Corp.. Other Mauser Corp sites in this extract: Mauser USA LLC - Woodbridge (nj); Mauser USA LLC Warren Facility. Largest disclosed chemicals by pounds: Certain glycol ethers; sec-Butyl alcohol.
Mauser - Mason stamps MID volume with a dominant AIR pathway (100.0% air releases) across 2 chemicals. Cumulative Form-R extract: 461.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Magnetic Inspection Laboratory Inc and Lacks Wheel Trim Systems Barden Plater.
Mauser - Mason vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
461K lbs Top 8% higher than 92% 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
Mauser - Mason inside Warren's TRI pounds
Among the 3,421 Fabricated Metals facilities in this database, Mauser - Mason reports the 121st-largest volume, placing it in the top 3.5% of its sector. This one site accounts for 47.1% of every pound reported in Warren. Its reported volume is concentrated rather than spread: Certain glycol ethers alone is 89.9% of the total. Scale peers outside Ohio include Magnetic Inspection Laboratory Inc and Lacks Wheel Trim Systems Barden Plater.
County-dominant here means ≥25% of Warren's reported pounds (979.5K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Mauser - Mason's total reported releases rose from 72.0 thousand lb in 2022 to 74.9 thousand lb in 2023, based on EPA TRI filings.
- Mauser - Mason's air releases rose from 72.0 thousand lb in 2022 to 74.9 thousand lb in 2023, based on EPA TRI filings.
Mauser - Mason Form-R facts
Compare this facility
See how Mauser - Mason stacks up against nearby facilities and the typical reporter.
776.7× more than the comparison
2.0× 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 Mauser - Mason releases toxic chemicals into the environment. Total: 461.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 48% (144.6K lbs to 74.9K lbs).
Mauser - Mason: 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 Mauser - Mason year-over-year reported totals (decreased by 48% 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: Certain glycol ethers.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 144.6K lbs | 2 |
| 2020 | 93.3K lbs | 2 |
| 2021 | 76.4K lbs | 2 |
| 2022 | 72.0K lbs | 2 |
| 2023 | 74.9K lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Certain glycol ethers | 414.7K lbs | - |
| sec-Butyl alcohol | 46.5K lbs | - |
Mauser - Mason · AIR-pathway site
Nearest TRI Facilities to Mauser - Mason
Closest other reporters in Ohio - including Cincinnati Fan & Ventilator Co, Hamilton Safe Inc-Mason, L3HARRIS Cincinnati Electronics Corp, ordered by distance.
Showing 8 of 1,298 other reporting facilities in Ohio.
Similar Fabricated Metals Facilities
Other Fabricated Metals facilities with similar total release volumes (±80%), outside Ohio - e.g. Magnetic Inspection Laboratory Inc, Lacks Wheel Trim Systems Barden Plater, Delta Faucet Co.
Compare beyond Ohio
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Mauser - Mason on cumulative reported pounds (461.2K lbs) and distinct chemical count (2). Release-pound peers include Ford Louisville Assembly, Firestone Polymers LLC, Graniteville Specialty Fabrics. Chemical-count peers include Idi Caribe Inc, Suiza Dairy Corp, Edwards Lifesciences Technology Sarl. 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.
- Ford Louisville Assembly Louisville, KY · Transportation Equipment 461.3K lbs reported
- Firestone Polymers LLC Sulphur, LA · Chemicals 461.3K lbs reported
- Graniteville Specialty Fabrics Graniteville, SC · Textiles 461.6K lbs reported
- Charter Next Generation - Turners Falls Turners Falls, MA · Plastics and Rubber 460.5K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Mauser Corp Facilities
Same-parent TRI sites ranked by reported releases - including Mauser USA LLC - Woodbridge (nj), Mauser USA LLC Warren Facility.
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 Certain glycol ethers, sec-Butyl alcohol; nearby reporters include Cincinnati Fan & Ventilator Co. Mauser - Mason stamps MID 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 Mauser - Mason TRI extract (MID · AIR · CLEAN · lead Certain glycol ethers) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Mauser - Mason totals are self-reported EPCRA §313 estimates for Mason, OH, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 332439 · Fabricated Metals. 47.1% of Warren TRI pounds in this extract. Nearest ABS peer: Ford Louisville Assembly (Δ 129 lbs). Pounds ≠ exposure.
Mauser - Mason stamps MID volume · AIR pathway · CLEAN · lead Certain glycol ethers. 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