Tdk USA Corp
3 facilities · 3 states · 76.1K lbs total releases
According to the EPA Toxics Release Inventory, Tdk USA Corp is the reported parent of 3 Form R facilities across 3 states, disclosing 76.1K lbs of toxic releases. 3 of 9 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Wisconsin (76.1K lbs). Those TRI figures remain self-reported disclosure pounds for Tdk USA Corp, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Tdk USA Corp: EPA TRI 2023 reporting year
Same facilities, both years
-43.0%
2 facilities that filed in 2022 and 2023
Whole inventory
-43.0%
13.1 thousand lb → 7.4 thousand lb, every facility that filed
- Tdk USA Corp's total reported releases fell from 13.1 thousand lb in 2022 to 7.4 thousand lb in 2023, based on EPA TRI filings.
- Tdk USA Corp's off-site transfers fell from 12.3 thousand lb in 2022 to 6.5 thousand lb in 2023, based on EPA TRI filings.
- Tdk USA Corp's chemicals reported fell from 6 in 2022 to 4 in 2023, based on EPA TRI filings.
- Tdk USA Corp's air releases rose from 759 lb in 2022 to 990 lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Tdk USA Corp from filing to facility
Largest Form R sites under this parent: Hutchinson Technology Inc; Tdk Ferrites Corp; Tdk-Lambda Americas Inc.. Neighbor parents on the disclosure ladder: Foremost Farms USA Cooperative; Wec Energy Group. Largest disclosed chemicals by pounds: Nickel And Nickel Compounds; Copper And Copper Compounds; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); N-Methyl-2-pyrrolidone; Chromium compounds (except for chromite ore mined in the Transvaal Region). Heaviest-reporting states in this extract: Wisconsin; Oklahoma; New Jersey. Industry labels on the parent rollup: Computers and Electronic Products; Transportation Equipment; Other. 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: Hutchinson Technology Inc; Tdk Ferrites Corp; Tdk-Lambda Americas Inc.. Neighbor parents on the disclosure ladder: Foremost Farms USA Cooperative; Wec Energy Group. Largest disclosed chemicals by pounds: Nickel And Nickel Compounds; Copper And Copper Compounds; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); N-Methyl-2-pyrrolidone; Chromium compounds (except for chromite ore mined in the Transvaal Region). Heaviest-reporting states in this extract: Wisconsin; Oklahoma; New Jersey. Industry labels on the parent rollup: Computers and Electronic Products; Transportation Equipment; Other.
Tdk USA Corp ranks #1,765 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Tdk USA Corp files across 3 states, a regional parent portfolio rather than a single-state discloser. Releases are facility-concentrated: Hutchinson Technology Inc accounts for most of Tdk USA Corp's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Tdk USA Corp follows facility-reported names. Compare the named neighbors (Foremost Farms USA Cooperative; Wec Energy Group) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Tdk USA Corp sits among TRI parents
Tdk USA Corp sits on a disclosure ladder beside Foremost Farms USA Cooperative and Wec Energy Group. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Foremost Farms USA Cooperative · rank #1,763 · 11.6M lbs
- Wec Energy Group · rank #1,764 · 7.5M lbs
Largest chemicals disclosed by Tdk USA Corp
Nickel And Nickel Compounds; Copper And Copper Compounds; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); N-Methyl-2-pyrrolidone; Chromium compounds (except for chromite ore mined in the Transvaal Region) lead the Form R pound rollup for this parent, including filings such as Hutchinson Technology Inc. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Nickel And Nickel Compounds | 28.1K lbs |
| Copper And Copper Compounds | 26.3K lbs |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 7.7K lbs |
| N-Methyl-2-pyrrolidone | 7.5K lbs |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 6.4K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Wisconsin | 1 | 76.1K lbs |
| Oklahoma | 1 | 0 lbs |
| New Jersey | 1 | 0 lbs |
Facilities (3)
| Facility | Releases |
|---|---|
| Hutchinson Technology Inc Eau Claire, WI | 76.1K lbs |
| Tdk Ferrites Corp Shawnee, OK | 0 lbs |
| Tdk-Lambda Americas Inc. Tinton Falls, NJ | 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 Tdk USA Corp on total disclosed release pounds (76.1K lbs) and reporting facility count (3). Release-volume peers include Allied Aviation Holding Co, Zeus Co LLC, Fuchs Lubricants Co. Facility-count peers include A-Gas US Holdings Inc, Abb Holdings Inc, Adams Resources & Energy Inc. 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 Wisconsin, Oklahoma, New Jersey; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Tdk USA Corp's TRI parent record
From Tdk USA Corp, open Hutchinson Technology Inc or compare against Foremost Farms USA Cooperative rather than reading rank alone.
- Open the largest Form R site for Tdk USA Corp (Hutchinson Technology Inc in WI). Largest facility
- Compare against Wec Energy Group, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Tdk USA Corp sits among all slug-merged TRI parents. All parent companies
Rank and peers (Foremost Farms USA Cooperative, Wec Energy Group) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Tdk USA Corp'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.