Keystone Powdered Metal Co
4 facilities · 2 states · 12.1K lbs total releases
According to the EPA Toxics Release Inventory, Keystone Powdered Metal Co is the reported parent of 4 Form R facilities across 2 states, disclosing 12.1K lbs of toxic releases. 2 of 14 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Pennsylvania (10.5K lbs). Those TRI figures remain self-reported disclosure pounds for Keystone Powdered Metal Co, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Keystone Powdered Metal Co: EPA TRI 2023 reporting year
Same facilities, both years
+99.1%
3 facilities that filed in 2022 and 2023
Whole inventory
+99.1%
692 lb → 1.4 thousand lb, every facility that filed
Between the two reporting years, 1 facility filed for the first time and 0 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Keystone Powdered Metal Co's total reported releases rose from 692 lb in 2022 to 1.4 thousand lb in 2023, based on EPA TRI filings.
- Keystone Powdered Metal Co's off-site transfers rose from 631 lb in 2022 to 1.3 thousand lb in 2023, based on EPA TRI filings.
- Keystone Powdered Metal Co's air releases rose from 28 lb in 2022 to 51 lb in 2023, based on EPA TRI filings.
- Keystone Powdered Metal Co's water releases fell from 33 lb in 2022 to 23 lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Keystone Powdered Metal Co from filing to facility
Largest Form R sites under this parent: Keystone Powdered Metal Co; Keystone Powdered Metal Co; Keystone Powdered Metal Co; Keystone Powdered Metal Co. Neighbor parents on the disclosure ladder: US Steel Corp; Keystone-Conemaugh Projects LLC. Largest disclosed chemicals by pounds: 1-Bromopropane; Copper; Nickel; Methanol; Manganese compounds. Heaviest-reporting states in this extract: Pennsylvania; North Carolina. Industry labels on the parent rollup: 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: Keystone Powdered Metal Co; Keystone Powdered Metal Co; Keystone Powdered Metal Co; Keystone Powdered Metal Co. Neighbor parents on the disclosure ladder: US Steel Corp; Keystone-Conemaugh Projects LLC. Largest disclosed chemicals by pounds: 1-Bromopropane; Copper; Nickel; Methanol; Manganese compounds. Heaviest-reporting states in this extract: Pennsylvania; North Carolina. Industry labels on the parent rollup: Fabricated Metals.
Keystone Powdered Metal Co ranks #2,708 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Keystone Powdered Metal Co files across 2 states, a regional parent portfolio rather than a single-state discloser. Releases are facility-concentrated: Keystone Powdered Metal Co accounts for most of Keystone Powdered Metal Co's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Keystone Powdered Metal Co follows facility-reported names. Compare the named neighbors (US Steel Corp; Keystone-Conemaugh Projects LLC) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Keystone Powdered Metal Co sits among TRI parents
Keystone Powdered Metal Co sits on a disclosure ladder beside US Steel Corp and Keystone-Conemaugh Projects LLC. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- US Steel Corp · rank #2,706 · 40.6M lbs
- Keystone-Conemaugh Projects LLC · rank #2,707 · 15.0M lbs
Largest chemicals disclosed by Keystone Powdered Metal Co
1-Bromopropane; Copper; Nickel; Methanol; Manganese compounds lead the Form R pound rollup for this parent, including filings such as Keystone Powdered Metal Co. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| 1-Bromopropane | 7.6K lbs |
| Copper | 3.5K lbs |
| Nickel | 616 lbs |
| Methanol | 474 lbs |
| Manganese compounds | 226 lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Pennsylvania | 2 | 10.5K lbs |
| North Carolina | 2 | 1.6K lbs |
Facilities (4)
| Facility | Releases |
|---|---|
| Keystone Powdered Metal Co Saint Marys, PA | 10.5K lbs |
| Keystone Powdered Metal Co Troutman, NC | 1.6K lbs |
| Keystone Powdered Metal Co Lewis Run, PA | 36 lbs |
| Keystone Powdered Metal Co Cherryville, NC | 3 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 Keystone Powdered Metal Co on total disclosed release pounds (12.1K lbs) and reporting facility count (4). Release-volume peers include Karnak Corp, Hitachi Energy USA Inc, Leviton Manufacturing Co Inc. Facility-count peers include A Stucki Holding Corp, Advanced Heat Treat Corp, Alleima USA LLC. 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 Pennsylvania, North Carolina; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Keystone Powdered Metal Co's TRI parent record
From Keystone Powdered Metal Co, open Keystone Powdered Metal Co or compare against US Steel Corp rather than reading rank alone.
- Open the largest Form R site for Keystone Powdered Metal Co (Keystone Powdered Metal Co in PA). Largest facility
- Compare against Keystone-Conemaugh Projects LLC, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Keystone Powdered Metal Co sits among all slug-merged TRI parents. All parent companies
Rank and peers (US Steel Corp, Keystone-Conemaugh Projects LLC) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Keystone Powdered Metal Co'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.