Trinseo US Holding Inc
4 facilities · 4 states · 334.5K lbs total releases
According to the EPA Toxics Release Inventory, Trinseo US Holding Inc is the reported parent of 4 Form R facilities across 4 states, disclosing 334.5K lbs of toxic releases. 9 of 26 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Pennsylvania (179.6K lbs). Those TRI figures remain self-reported disclosure pounds for Trinseo US Holding Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Trinseo US Holding Inc: EPA TRI 2023 reporting year
Same facilities, both years
-56.4%
4 facilities that filed in 2022 and 2023
Whole inventory
-56.4%
109.0 thousand lb → 47.5 thousand lb, every facility that filed
- Trinseo US Holding Inc's total reported releases fell from 109.0 thousand lb in 2022 to 47.5 thousand lb in 2023, based on EPA TRI filings.
- Trinseo US Holding Inc's air releases fell from 108.9 thousand lb in 2022 to 47.4 thousand lb in 2023, based on EPA TRI filings.
- Trinseo US Holding Inc's water releases rose from 115 lb in 2022 to 138 lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Trinseo US Holding Inc from filing to facility
Largest Form R sites under this parent: Altuglas LLC; Trinseo Llc-Mi Operations; Aristech Surfaces LLC; Trinseo LLC. Neighbor parents on the disclosure ladder: US Steel Corp; Keystone-Conemaugh Projects LLC. Largest disclosed chemicals by pounds: Methyl methacrylate; Styrene; Ethylbenzene; Ethyl acrylate; Butyl acrylate. Heaviest-reporting states in this extract: Pennsylvania; Michigan; Kentucky. Industry labels on the parent rollup: Chemicals; 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: Altuglas LLC; Trinseo Llc-Mi Operations; Aristech Surfaces LLC; Trinseo LLC. Neighbor parents on the disclosure ladder: US Steel Corp; Keystone-Conemaugh Projects LLC. Largest disclosed chemicals by pounds: Methyl methacrylate; Styrene; Ethylbenzene; Ethyl acrylate; Butyl acrylate. Heaviest-reporting states in this extract: Pennsylvania; Michigan; Kentucky. Industry labels on the parent rollup: Chemicals; Plastics and Rubber.
Trinseo US Holding Inc ranks #1,053 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Trinseo US Holding Inc files across 4 states, a regional parent portfolio rather than a single-state discloser. Trinseo US Holding Inc's disclosed pounds are spread across 4 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Trinseo US Holding Inc 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 Trinseo US Holding Inc sits among TRI parents
Trinseo US Holding Inc 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 #1,051 · 40.6M lbs
- Keystone-Conemaugh Projects LLC · rank #1,052 · 15.0M lbs
Largest chemicals disclosed by Trinseo US Holding Inc
Methyl methacrylate; Styrene; Ethylbenzene; Ethyl acrylate; Butyl acrylate lead the Form R pound rollup for this parent, including filings such as Altuglas LLC. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Methyl methacrylate | 237.4K lbs |
| Styrene | 30.9K lbs |
| Ethylbenzene | 25.5K lbs |
| Ethyl acrylate | 25.4K lbs |
| Butyl acrylate | 20.9K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Pennsylvania | 1 | 179.6K lbs |
| Michigan | 1 | 90.8K lbs |
| Kentucky | 1 | 58.1K lbs |
| Georgia | 1 | 6.0K lbs |
Facilities (4)
| Facility | Releases |
|---|---|
| Altuglas LLC Bristol, PA | 179.6K lbs |
| Trinseo Llc-Mi Operations Midland, MI | 90.8K lbs |
| Aristech Surfaces LLC Florence, KY | 58.1K lbs |
| Trinseo LLC Dalton, GA | 6.0K 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 Trinseo US Holding Inc on total disclosed release pounds (334.5K lbs) and reporting facility count (4). Release-volume peers include Unifrax I LLC, Grande Cheese Co, Donaldson 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, Michigan, Kentucky; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Trinseo US Holding Inc's TRI parent record
From Trinseo US Holding Inc, open Altuglas LLC or compare against US Steel Corp rather than reading rank alone.
- Open the largest Form R site for Trinseo US Holding Inc (Altuglas 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 Trinseo US Holding 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
Trinseo US Holding 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.