EPA TRI Facility · Primary Metals
Ngk Metals Corp
Sweetwater, TN · Parent: Ngk N.a.
- Total releases
- 24.6K lbs
- Chemicals reported
- 2
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Ngk Metals Corp: how the 24.6K lbs splits
24.6K lbs across all reported pathways
- Off-site Transfers 24.5K lbs 99.5%
- Air Releases 120 lbs 0.5%
Ngk Metals Corp's 24.6K lbs Form-R total is OFFSITE - off-site transfers is 99.5% of the bar. Next segment: air releases at 0.5%. Leading chemical by pounds: Copper.
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 OFFSITE pathway CARC-LEAN
Ngk Metals Corp is an EPA Toxics Release Inventory reporter in Sweetwater, TN, in the primary metals sector. It reported 3.5K lbs of releases across 2 chemicals in 2023, and 24.6K lbs in total across its 2019-2023 reporting years. That ranks 7,781 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. Ngk Metals Corp is pounds #235 and chemical-count #360 at 24.6K 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 fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Glasmasters; Culpeper of Sweetwater LLC; Gemtron Corp; Merritt Precision LLC. Similar-scale Primary Metals peers outside Tennessee: Amg Titanium LLC; Eck Industries; Custom Alloy Sales Inc.; Nucor Steel Brandenburg. Other Ngk N.a. sites in this extract: Ngk Ceramics USA Inc. Largest disclosed chemicals by pounds: Copper; Beryllium.
Ngk Metals Corp stamps LIGHT volume with a dominant OFFSITE pathway (99.5% off-site transfers) across 2 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 24.6K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Amg Titanium LLC and Eck Industries.
Ngk Metals Corp vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
25K lbs Top 30% higher than 70% 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
Ngk Metals Corp: Copper-led volume
Among the 1,603 Primary Metals facilities in this database, Ngk Metals Corp reports the 615th-largest volume (24.6K lbs). Its reported volume is concentrated rather than spread: Copper alone is 98.3% of the total. Scale peers outside Tennessee include Amg Titanium LLC and Eck Industries.
Concentrated means ≥60% of Ngk Metals Corp's pounds in one chemical - here Copper at 98.3%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Ngk Metals Corp's total reported releases fell from 5.3 thousand lb in 2022 to 3.5 thousand lb in 2023, based on EPA TRI filings.
- Ngk Metals Corp's off-site transfers fell from 5.3 thousand lb in 2022 to 3.4 thousand lb in 2023, based on EPA TRI filings.
Ngk Metals Corp Form-R facts
Compare this facility
See how Ngk Metals Corp stacks up against nearby facilities and the typical reporter.
About the same as 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 Ngk Metals Corp releases toxic chemicals into the environment. Total: 24.6K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 14% (4.0K lbs to 3.5K lbs).
Ngk Metals Corp: annual Form-R pounds
LIGHT site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Ngk Metals Corp year-over-year reported totals (decreased by 14% 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: Copper.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 4.0K lbs | 2 |
| 2020 | 5.4K lbs | 2 |
| 2021 | 6.5K lbs | 2 |
| 2022 | 5.3K lbs | 2 |
| 2023 | 3.5K lbs | 2 |
Ngk Metals Corp · OFFSITE-pathway site
Nearest TRI Facilities to Ngk Metals Corp
Closest other reporters in Tennessee - including Glasmasters, Culpeper of Sweetwater LLC, Gemtron Corp, 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. Amg Titanium LLC, Eck Industries, Custom Alloy Sales Inc..
Compare beyond Tennessee
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Ngk Metals Corp on cumulative reported pounds (24.6K lbs) and distinct chemical count (2). Release-pound peers include Microfoam Inc, Amg Titanium LLC, Thacker Casket Manufacturing Inc. 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.
- Microfoam Inc Utica, NY · Plastics and Rubber 24.6K lbs reported
- Amg Titanium LLC New Castle, PA · Primary Metals 24.6K lbs reported
- Thacker Casket Manufacturing Inc Florence, AL · Miscellaneous Manufacturing 24.6K lbs reported
- Western Digital Technologies Inc San Jose, CA · Computers and Electronic Products 24.6K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Ngk N.a. Facilities
Same-parent TRI sites ranked by reported releases - including Ngk Ceramics USA Inc.
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 Copper, Beryllium; nearby reporters include Glasmasters. Ngk Metals Corp stamps LIGHT volume · OFFSITE pathway · CARC-LEAN 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 Ngk Metals Corp TRI extract (LIGHT · OFFSITE · CARC-LEAN · lead Copper) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Ngk Metals Corp totals are self-reported EPCRA §313 estimates for Sweetwater, TN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331529 · Primary Metals. 0.4% of Monroe TRI pounds in this extract. Nearest ABS peer: Microfoam Inc (Δ 1 lbs). Pounds ≠ exposure.
Ngk Metals Corp stamps LIGHT volume · OFFSITE pathway · CARC-LEAN · lead Copper. 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