EPA TRI Facility · Primary Metals
Mastermelt America
Sweetwater, TN
- Total releases
- 7.1K lbs
- Chemicals reported
- 4
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Mastermelt America: how the 7.1K lbs splits
7.1K lbs across all reported pathways
- Air Releases 6.9K lbs 96.5%
- Land Disposal 250 lbs 3.5%
Mastermelt America's 7.1K lbs Form-R total is AIR - air releases is 96.5% of the bar. Next segment: land disposal at 3.5%. Leading chemical by pounds: Phenol.
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.
LIGHT volume AIR pathway CARC-HEAVY
Mastermelt America is an EPA Toxics Release Inventory reporter in Sweetwater, TN, in the primary metals sector. It reported 2.3K lbs of releases across 2 chemicals in 2023, and 7.1K lbs in total across its 2019-2023 reporting years. That ranks 10,521 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Tennessee's 595 reporting TRI sites, pounds #1 is not chemical-count #1. Mastermelt America is pounds #331 and chemical-count #225 at 7.1K lbs. Nyrstar Clarksville Inc leads reported pounds (72.9M lbs) at 13 chemicals (chemical-count #31). Tradebe Treatment & Recycling of Tn leads chemical count at 75 chemicals (6.3M lbs, pounds #13). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Arrow Recycling; Vestal Manufacturing Enterprises Inc.; Merritt Precision LLC; Culpeper of Sweetwater LLC. Similar-scale Primary Metals peers outside Tennessee: Northwest Pipe Co; Solon Specialty Wire Co; Wireco Worldgroup Sedalia Facility; Wireco Worldgroup Chillicothe Facility. Largest disclosed chemicals by pounds: Phenol; Nickel And Nickel Compounds; Nickel compounds; Silver.
Mastermelt America stamps LIGHT volume with a dominant AIR pathway (96.5% air releases) across 4 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 7.1K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Northwest Pipe Co and Solon Specialty Wire Co.
Mastermelt America vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
7.1K lbs Top 40% higher than 60% 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
Mastermelt America: carcinogen-lbs share on Form-R
Among the 1,603 Primary Metals facilities in this database, Mastermelt America reports the 790th-largest volume (7.1K lbs). Carcinogen-classified chemicals make up 61.1% of the reported pounds, not just of the chemical count. Scale peers outside Tennessee include Northwest Pipe Co and Solon Specialty Wire Co.
Carcinogen-heavy means ≥50% of pounds (61.1% here), not of chemical count. EPA/IARC classification ≠ site risk.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Mastermelt America's total reported releases rose from 1.5 thousand lb in 2022 to 2.3 thousand lb in 2023, based on EPA TRI filings.
- Mastermelt America's land releases rose from 0 lb in 2022 to 250 lb in 2023, based on EPA TRI filings.
- Mastermelt America's air releases rose from 1.5 thousand lb in 2022 to 2.1 thousand lb in 2023, based on EPA TRI filings.
Mastermelt America Form-R facts
Compare this facility
See how Mastermelt America stacks up against nearby facilities and the typical reporter.
413670.4× 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 Mastermelt America releases toxic chemicals into the environment. Total: 7.1K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 33% (1.8K lbs to 2.3K lbs).
Mastermelt America: 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 Mastermelt America year-over-year reported totals (increased by 33% 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: Phenol.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1.8K lbs | 3 |
| 2020 | 510 lbs | 3 |
| 2021 | 1.0K lbs | 2 |
| 2022 | 1.5K lbs | 2 |
| 2023 | 2.3K lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 4 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Phenol | 2.5K lbs | - |
| Nickel And Nickel Compounds | 2.3K lbs | Carcinogen |
| Nickel compounds | 2.1K lbs | Carcinogen |
| Silver | 255 lbs | - |
Mastermelt America · AIR-pathway site
Nearest TRI Facilities to Mastermelt America
Closest other reporters in Tennessee - including Arrow Recycling, Vestal Manufacturing Enterprises Inc., Merritt Precision LLC, ordered by distance.
Showing 8 of 594 other reporting facilities in Tennessee.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Tennessee - e.g. Northwest Pipe Co, Solon Specialty Wire Co, Wireco Worldgroup Sedalia Facility.
Compare beyond Tennessee
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Mastermelt America on cumulative reported pounds (7.1K lbs) and distinct chemical count (4). Release-pound peers include U.S. Navy Naval Air Station Kingsville, Itw Performance Polymers, Northwest Pipe Co. Chemical-count peers include Hamilton Sundstrand de Puerto Rico Inc., Abb Installation Products Caribe LLC, Solenis 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).
- Hamilton Sundstrand de Puerto Rico Inc. Santa Isabel, PR · Transportation Equipment 4 chemicals
- Abb Installation Products Caribe LLC Vega Baja, PR · Electrical Equipment 4 chemicals
- Solenis LLC Chicopee, MA · Chemicals 4 chemicals
- Adhesive Applications Inc. - O'Neill St Easthampton Easthampton, MA · Miscellaneous Manufacturing 4 chemicals
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 Phenol, Nickel And Nickel Compounds, Nickel compounds, Silver; nearby reporters include Arrow Recycling. Mastermelt America stamps LIGHT volume · AIR pathway · CARC-HEAVY 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 Mastermelt America TRI extract (LIGHT · AIR · CARC-HEAVY · lead Phenol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Mastermelt America totals are self-reported EPCRA §313 estimates for Sweetwater, TN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331492 · Primary Metals. 0.1% of Monroe TRI pounds in this extract. Nearest ABS peer: U.S. Navy Naval Air Station Kingsville (Δ 3 lbs). Pounds ≠ exposure.
Mastermelt America stamps LIGHT volume · AIR pathway · CARC-HEAVY · lead Phenol. 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