Ati Inc
13 facilities · 5 states · 7.6M lbs total releases
According to the EPA Toxics Release Inventory, Ati Inc is the reported parent of 13 Form R facilities across 5 states, disclosing 7.6M lbs of toxic releases. 8 of 81 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Pennsylvania (4.5M lbs). Those TRI figures remain self-reported disclosure pounds for Ati Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Ati Inc: EPA TRI 2023 reporting year
Same facilities, both years
-5.9%
13 facilities that filed in 2022 and 2023
Whole inventory
-5.9%
1.9 million lb → 1.8 million lb, every facility that filed
- Ati Inc's total reported releases fell from 1.9 million lb in 2022 to 1.8 million lb in 2023, based on EPA TRI filings.
- Ati Inc's air releases fell from 585.3 thousand lb in 2022 to 375.9 thousand lb in 2023, based on EPA TRI filings.
- Ati Inc's water releases rose from 290.1 thousand lb in 2022 to 325.9 thousand lb in 2023, based on EPA TRI filings.
- Ati Inc's off-site transfers rose from 1.0 million lb in 2022 to 1.1 million lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Ati Inc from filing to facility
Largest Form R sites under this parent: Ati Flat Rolled Products Holdings LLC; Ati Specialty Alloys & Components LLC; Jessop Steel LLC; Ati Flat Rolled Products Holdings LLC. Neighbor parents on the disclosure ladder: US Steel Corp; Keystone-Conemaugh Projects LLC; Nrg Energy Inc; Carpenter Technology Corp. Largest disclosed chemicals by pounds: Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nickel And Nickel Compounds; Methyl isobutyl ketone; Barium compounds (except for barium sulfate (CAS No. 7727-43-7)). Heaviest-reporting states in this extract: Pennsylvania; Oregon; South Carolina. 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.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026
Largest Form R sites under this parent: Ati Flat Rolled Products Holdings LLC; Ati Specialty Alloys & Components LLC; Jessop Steel LLC; Ati Flat Rolled Products Holdings LLC. Neighbor parents on the disclosure ladder: US Steel Corp; Keystone-Conemaugh Projects LLC; Nrg Energy Inc; Carpenter Technology Corp. Largest disclosed chemicals by pounds: Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nickel And Nickel Compounds; Methyl isobutyl ketone; Barium compounds (except for barium sulfate (CAS No. 7727-43-7)). Heaviest-reporting states in this extract: Pennsylvania; Oregon; South Carolina. Industry labels on the parent rollup: Primary Metals; Fabricated Metals.
Ati Inc ranks #193 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Ati Inc files across 5 states, a regional parent portfolio rather than a single-state discloser. Ati Inc's disclosed pounds are spread across 13 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Ati Inc follows facility-reported names. Compare the named neighbors (US Steel Corp; Keystone-Conemaugh Projects LLC; Nrg Energy Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Ati Inc sits among TRI parents
Ati Inc sits on a disclosure ladder beside US Steel Corp and Keystone-Conemaugh Projects LLC and Nrg Energy Inc and Carpenter Technology Corp. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- US Steel Corp · rank #191 · 40.6M lbs
- Keystone-Conemaugh Projects LLC · rank #192 · 15.0M lbs
Lower disclosed volume
- Nrg Energy Inc · rank #194 · 6.1M lbs
- Carpenter Technology Corp · rank #195 · 6.0M lbs
Largest chemicals disclosed by Ati Inc
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nickel And Nickel Compounds; Methyl isobutyl ketone; Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) lead the Form R pound rollup for this parent, including filings such as Ati Flat Rolled Products Holdings LLC. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 2.0M lbs |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1.9M lbs |
| Nickel And Nickel Compounds | 1.7M lbs |
| Methyl isobutyl ketone | 1.5M lbs |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 747.5K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Pennsylvania | 8 | 4.5M lbs |
| Oregon | 1 | 3.1M lbs |
| South Carolina | 1 | 83.0K lbs |
| North Carolina | 2 | 6.5K lbs |
| New York | 1 | 17 lbs |
Facilities (13)
| Facility | Releases |
|---|---|
| Ati Flat Rolled Products Holdings LLC Vandergrift, PA | 3.6M lbs |
| Ati Specialty Alloys & Components LLC Albany, OR | 3.1M lbs |
| Jessop Steel LLC Washington, PA | 511.9K lbs |
| Ati Flat Rolled Products Holdings LLC Brackenridge, PA | 294.7K lbs |
| Allvac Richburg Plant Richburg, SC | 83.0K lbs |
| Ati Flat Rolled Products Llc-Latrobe Plant Latrobe, PA | 40.5K lbs |
| Ati Specialty Materials LLC - Oakdale Oakdale, PA | 22.7K lbs |
| Ati Precision Finishing LLC - Monaca Monaca, PA | 6.7K lbs |
| Ati Specialty Materials - Bakers Site Monroe, NC | 3.9K lbs |
| Ati Specialty Materials - Monroe Plant Monroe, NC | 2.6K lbs |
| Ati Precision Finishing LLC - Zelienople Zelienople, PA | 1.8K lbs |
| Ati Precision Finishing LLC - Rochester Facility Rochester, PA | 1.5K lbs |
| Ati Specialty Materials-Lockport Plant Lockport, NY | 17 lbs |
Frequently Asked Questions
How much pollution does Ati Inc release?
How many facilities does Ati Inc operate?
What industries and chemicals show up for Ati Inc?
Does Ati Inc release carcinogens?
Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Ati Inc on total disclosed release pounds (7.6M lbs) and reporting facility count (13). Release-volume peers include Bp America Inc, Wec Energy Group, Milliken & Co. Facility-count peers include Abb Inc, Axalta Coating Systems LLC, Carpenter Technology Corp. 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, Oregon, South Carolina; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Ati Inc's TRI parent record
From Ati Inc, open Ati Flat Rolled Products Holdings LLC or compare against US Steel Corp rather than reading rank alone.
- Open the largest Form R site for Ati Inc (Ati Flat Rolled Products Holdings LLC 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 Ati Inc 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
Ati 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.