EPA TRI Facility · Primary Metals
Kennametal Inc DBA Kennametal Firth Sterling
Huntsville, AL · Parent: Kennametal Inc
- Total releases
- 6.5M lbs
- Chemicals reported
- 8
- Carcinogens
- 5
- Primary pathway
- Air Releases
AIR Form-R mix
Kennametal Inc DBA Kennametal Firth Sterling: how the 6.5M lbs splits
6.5M lbs across all reported pathways
- Air Releases 6.5M lbs 99.9%
- Water Discharges 3.9K lbs 0.1%
- Off-site Transfers 2.1K lbs <0.1%
Kennametal Inc DBA Kennametal Firth Sterling's 6.5M lbs Form-R total is AIR - air releases is 99.9% of the bar. Next segment: water discharges at 0.1%. 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.
HEAVY volume AIR pathway TRACE-CARC
Kennametal Inc DBA Kennametal Firth Sterling is an EPA Toxics Release Inventory reporter in Huntsville, AL, in the primary metals sector. It reported 1.1M lbs of releases across 6 chemicals in 2023, and 6.5M lbs in total across its 2019-2023 reporting years. That ranks 321 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Alabama's 559 reporting TRI sites, Chemical Waste Management leads both reported pounds (95.6M lbs) and chemical count (98 chemicals). The two rankings do not invert in this pool. Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Ati Huntsville Operations; Blue Engines Facility Hsv; Benchmark Electronics Huntsville Inc; Tyonek Manufacturing Group. Similar-scale Primary Metals peers outside Alabama: Nucor Steel; Nucor Steel Hertford County; Waupaca Foundry Plant 2/3; Cleveland-Cliffs Steel Corp - Mansfield Works. Other Kennametal Inc sites in this extract: Kennametal Inc (refinery); Kennametal Stellite; Kennametal Bedford Casting Plant; Kennametal Inc.-Rogers. Largest disclosed chemicals by pounds: Ammonia; Hydrogen sulfide; Cobalt And Cobalt Compounds; Nickel And Nickel Compounds.
Kennametal Inc DBA Kennametal Firth Sterling stamps HEAVY volume with a dominant AIR pathway (99.9% air releases) across 8 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 6.5M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Nucor Steel and Nucor Steel Hertford County.
Kennametal Inc DBA Kennametal Firth Sterling vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
6.5M lbs Top 1% higher than 99% 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
Kennametal Inc DBA Kennametal Firth Sterling inside Madison's TRI pounds
Among the 1,603 Primary Metals facilities in this database, Kennametal Inc DBA Kennametal Firth Sterling reports the 44th-largest volume, placing it in the top 2.7% of its sector. This one site accounts for 38.5% of every pound reported in Madison. Its reported volume is concentrated rather than spread: Ammonia alone is 99.9% of the total. Scale peers outside Alabama include Nucor Steel and Nucor Steel Hertford County.
County-dominant here means ≥25% of Madison's reported pounds (16.9M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Kennametal Inc DBA Kennametal Firth Sterling's total reported releases fell from 1.3 million lb in 2022 to 1.1 million lb in 2023, based on EPA TRI filings.
- Kennametal Inc DBA Kennametal Firth Sterling's water releases fell from 2.5 thousand lb in 2022 to 190 lb in 2023, based on EPA TRI filings.
- Kennametal Inc DBA Kennametal Firth Sterling's off-site transfers rose from 461 lb in 2022 to 531 lb in 2023, based on EPA TRI filings.
- Kennametal Inc DBA Kennametal Firth Sterling's air releases fell from 1.3 million lb in 2022 to 1.1 million lb in 2023, based on EPA TRI filings.
Kennametal Inc DBA Kennametal Firth Sterling Form-R facts
Compare this facility
See how Kennametal Inc DBA Kennametal Firth Sterling stacks up against nearby facilities and the typical reporter.
170.5× more than the comparison
33% 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 Kennametal Inc DBA Kennametal Firth Sterling releases toxic chemicals into the environment. Total: 6.5M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 15% (1.3M lbs to 1.1M lbs).
Kennametal Inc DBA Kennametal Firth Sterling: annual Form-R pounds
HEAVY site · AIR pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Kennametal Inc DBA Kennametal Firth Sterling year-over-year reported totals (decreased by 15% 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: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1.3M lbs | 6 |
| 2020 | 1.3M lbs | 6 |
| 2021 | 1.5M lbs | 6 |
| 2022 | 1.3M lbs | 6 |
| 2023 | 1.1M lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 5 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 6.5M lbs | - |
| Hydrogen sulfide | 4.1K lbs | - |
| Cobalt And Cobalt Compounds | 1.2K lbs | Carcinogen |
| Nickel And Nickel Compounds | 851 lbs | Carcinogen |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 684 lbs | - |
| Cobalt compounds | 389 lbs | Carcinogen |
| Nickel compounds | 261 lbs | Carcinogen |
| Molybdenum trioxide | 168 lbs | Carcinogen |
Kennametal Inc DBA Kennametal Firth Sterling · AIR-pathway site
Nearest TRI Facilities to Kennametal Inc DBA Kennametal Firth Sterling
Closest other reporters in Alabama - including Ati Huntsville Operations, Blue Engines Facility Hsv, Benchmark Electronics Huntsville Inc, ordered by distance.
Showing 8 of 558 other reporting facilities in Alabama.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Alabama - e.g. Nucor Steel, Nucor Steel Hertford County, Waupaca Foundry Plant 2/3.
Compare beyond Alabama
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Kennametal Inc DBA Kennametal Firth Sterling on cumulative reported pounds (6.5M lbs) and distinct chemical count (8). Release-pound peers include Sanderson Farms LLC, Solvay Specialty Polymers USA, Nucor Steel. Chemical-count peers include Prepa-South Coast Power Plant, Argos Puerto Rico Corp., US Tsubaki Automotive LLC. 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).
Other Kennametal Inc Facilities
Same-parent TRI sites ranked by reported releases - including Kennametal Inc (refinery), Kennametal Stellite, Kennametal Bedford Casting Plant.
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, Hydrogen sulfide, Cobalt And Cobalt Compounds, Nickel And Nickel Compounds; nearby reporters include Ati Huntsville Operations. Kennametal Inc DBA Kennametal Firth Sterling stamps HEAVY 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 Kennametal Inc DBA Kennametal Firth Sterling TRI extract (HEAVY · AIR · TRACE-CARC · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Kennametal Inc DBA Kennametal Firth Sterling totals are self-reported EPCRA §313 estimates for Huntsville, AL, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331492 · Primary Metals. 38.5% of Madison TRI pounds in this extract. Nearest ABS peer: Sanderson Farms LLC (Δ 10.1K lbs). Pounds ≠ exposure.
Kennametal Inc DBA Kennametal Firth Sterling stamps HEAVY 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