Gkn Powder Metallurgy Holdings Inc
7 facilities · 4 states · 108.7K lbs total releases
According to the EPA Toxics Release Inventory, Gkn Powder Metallurgy Holdings Inc is the reported parent of 7 Form R facilities across 4 states, disclosing 108.7K lbs of toxic releases. 3 of 31 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Tennessee (43.3K lbs). Those TRI figures remain self-reported disclosure pounds for Gkn Powder Metallurgy Holdings Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Gkn Powder Metallurgy Holdings Inc: EPA TRI 2023 reporting year
Same facilities, both years
-30.0%
7 facilities that filed in 2022 and 2023
Whole inventory
-30.0%
21.2 thousand lb → 14.8 thousand lb, every facility that filed
- Gkn Powder Metallurgy Holdings Inc's total reported releases fell from 21.2 thousand lb in 2022 to 14.8 thousand lb in 2023, based on EPA TRI filings.
- Gkn Powder Metallurgy Holdings Inc's off-site transfers fell from 11.3 thousand lb in 2022 to 4.5 thousand lb in 2023, based on EPA TRI filings.
- Gkn Powder Metallurgy Holdings Inc's chemicals reported rose from 13 in 2022 to 14 in 2023, based on EPA TRI filings.
- Gkn Powder Metallurgy Holdings Inc's air releases rose from 9.9 thousand lb in 2022 to 10.3 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Gkn Powder Metallurgy Holdings Inc from filing to facility
Largest Form R sites under this parent: Hoeganaes Corp; Hoeganaes Corp; Hoeganaes Corp; Gkn Sinter Metals - Gallipolis. Neighbor parents on the disclosure ladder: Nyrstar US Inc; The Chemours Co. Largest disclosed chemicals by pounds: Zinc compounds; Copper; Nickel; Nickel And Nickel Compounds; Manganese. Heaviest-reporting states in this extract: Tennessee; Pennsylvania; New Jersey. Industry labels on the parent rollup: Primary Metals; Fabricated Metals. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Largest Form R sites under this parent: Hoeganaes Corp; Hoeganaes Corp; Hoeganaes Corp; Gkn Sinter Metals - Gallipolis. Neighbor parents on the disclosure ladder: Nyrstar US Inc; The Chemours Co. Largest disclosed chemicals by pounds: Zinc compounds; Copper; Nickel; Nickel And Nickel Compounds; Manganese. Heaviest-reporting states in this extract: Tennessee; Pennsylvania; New Jersey. Industry labels on the parent rollup: Primary Metals; Fabricated Metals.
Gkn Powder Metallurgy Holdings Inc ranks #1,589 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Gkn Powder Metallurgy Holdings Inc files across 4 states, a regional parent portfolio rather than a single-state discloser. Gkn Powder Metallurgy Holdings Inc's disclosed pounds are spread across 7 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Gkn Powder Metallurgy Holdings Inc follows facility-reported names. Compare the named neighbors (Nyrstar US Inc; The Chemours Co) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Gkn Powder Metallurgy Holdings Inc sits among TRI parents
Gkn Powder Metallurgy Holdings Inc sits on a disclosure ladder beside Nyrstar US Inc and The Chemours Co. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Nyrstar US Inc · rank #1,587 · 114.9M lbs
- The Chemours Co · rank #1,588 · 40.5M lbs
Largest chemicals disclosed by Gkn Powder Metallurgy Holdings Inc
Zinc compounds; Copper; Nickel; Nickel And Nickel Compounds; Manganese lead the Form R pound rollup for this parent, including filings such as Hoeganaes Corp. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Zinc compounds | 37.9K lbs |
| Copper | 36.4K lbs |
| Nickel | 28.7K lbs |
| Nickel And Nickel Compounds | 7.8K lbs |
| Manganese | 6.3K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Tennessee | 1 | 43.3K lbs |
| Pennsylvania | 4 | 41.5K lbs |
| New Jersey | 1 | 17.9K lbs |
| Ohio | 1 | 6.0K lbs |
Facilities (7)
| Facility | Releases |
|---|---|
| Hoeganaes Corp Gallatin, TN | 43.3K lbs |
| Hoeganaes Corp Watsontown, PA | 36.1K lbs |
| Hoeganaes Corp Cinnaminson, NJ | 17.9K lbs |
| Gkn Sinter Metals - Gallipolis Gallipolis, OH | 6.0K lbs |
| Hoeganaes Corp Ridgway, PA | 5.4K lbs |
| Gkn Sinter Metals - St. Marys Kersey, PA | 0 lbs |
| Gkn Sinter Metals LLC Dubois Du Bois, PA | 0 lbs |
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Gkn Powder Metallurgy Holdings Inc on total disclosed release pounds (108.7K lbs) and reporting facility count (7). Release-volume peers include Northstar Energy LLC, Maclean-Fogg Co, Universal Stainless & Alloy Products Inc. Facility-count peers include A O Smith Corp, Ahf Products LLC, Aisin Holdings of America. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Tennessee, Pennsylvania, New Jersey; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Gkn Powder Metallurgy Holdings Inc's TRI parent record
From Gkn Powder Metallurgy Holdings Inc, open Hoeganaes Corp or compare against Nyrstar US Inc rather than reading rank alone.
- Open the largest Form R site for Gkn Powder Metallurgy Holdings Inc (Hoeganaes Corp in TN). Largest facility
- Compare against The Chemours Co, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Gkn Powder Metallurgy Holdings Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Nyrstar US Inc, The Chemours Co) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Gkn Powder Metallurgy Holdings Inc's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.