Quanex Building Products Corp
3 facilities · 3 states · 141.2K lbs total releases
According to the EPA Toxics Release Inventory, Quanex Building Products Corp is the reported parent of 3 Form R facilities across 3 states, disclosing 141.2K lbs of toxic releases. 5 chemicals are reported; none carry a carcinogen classification in this extract. The heaviest-reporting state by release volume is Ohio (141.2K lbs). Those TRI figures remain self-reported disclosure pounds across Quanex Building Products Corp's multi-state Form R set, not a measured public-health risk score.
Release-over-release change
What changed for Quanex Building Products Corp: EPA TRI 2023 reporting year
Same facilities, both years
+4.5%
1 facilities that filed in 2022 and 2023
Whole inventory
+4.5%
38.5 thousand lb → 40.3 thousand lb, every facility that filed
- Quanex Building Products Corp's total reported releases rose from 38.5 thousand lb in 2022 to 40.3 thousand lb in 2023, based on EPA TRI filings.
- Quanex Building Products Corp's off-site transfers rose from 38.5 thousand lb in 2022 to 40.3 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Quanex Building Products Corp from filing to facility
Largest Form R sites under this parent: Quanex Ig Systems; Mikron Industries Inc; Mikron Industries Inc. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; Ineos US I Inc. Largest disclosed chemicals by pounds: Sodium nitrite; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Antimony compounds; Chromium compounds (except for chromite ore mined in the Transvaal Region). Heaviest-reporting states in this extract: Ohio; Washington; Kentucky. Industry labels on the parent rollup: Plastics and Rubber. 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: Quanex Ig Systems; Mikron Industries Inc; Mikron Industries Inc. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; Ineos US I Inc. Largest disclosed chemicals by pounds: Sodium nitrite; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Antimony compounds; Chromium compounds (except for chromite ore mined in the Transvaal Region). Heaviest-reporting states in this extract: Ohio; Washington; Kentucky. Industry labels on the parent rollup: Plastics and Rubber.
Quanex Building Products Corp ranks #1,452 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Quanex Building Products Corp files across 3 states, a regional parent portfolio rather than a single-state discloser. Releases are facility-concentrated: Quanex Ig Systems accounts for most of Quanex Building Products Corp's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Quanex Building Products Corp follows facility-reported names. Compare the named neighbors (Cleveland-Cliffs Inc; Ineos US I Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Quanex Building Products Corp sits among TRI parents
Quanex Building Products Corp sits on a disclosure ladder beside Cleveland-Cliffs Inc and Ineos US I Inc. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Cleveland-Cliffs Inc · rank #1,450 · 64.3M lbs
- Ineos US I Inc · rank #1,451 · 42.4M lbs
Largest chemicals disclosed by Quanex Building Products Corp
Sodium nitrite; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Antimony compounds; Chromium compounds (except for chromite ore mined in the Transvaal Region) lead the Form R pound rollup for this parent, including filings such as Quanex Ig Systems. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Sodium nitrite | 104.0K lbs |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 37.2K lbs |
| Antimony compounds | 0 lbs |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Ohio | 1 | 141.2K lbs |
| Washington | 1 | 0 lbs |
| Kentucky | 1 | 0 lbs |
Facilities (3)
| Facility | Releases |
|---|---|
| Quanex Ig Systems Cambridge, OH | 141.2K lbs |
| Mikron Industries Inc Kent, WA | 0 lbs |
| Mikron Industries Inc Richmond, KY | 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 Quanex Building Products Corp on total disclosed release pounds (141.2K lbs) and reporting facility count (3). Release-volume peers include Siemens Corp, Qualico Steel Co Inc, Wolfspeed Inc. 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 Ohio, Washington, Kentucky; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Quanex Building Products Corp's TRI parent record
From Quanex Building Products Corp, open Quanex Ig Systems or compare against Cleveland-Cliffs Inc rather than reading rank alone.
- Open the largest Form R site for Quanex Building Products Corp (Quanex Ig Systems in OH). Largest facility
- Compare against Ineos US I Inc, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Quanex Building Products Corp sits among all slug-merged TRI parents. All parent companies
Rank and peers (Cleveland-Cliffs Inc, Ineos US I Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Quanex Building Products 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.