EPA TRI Facility · Chemicals
Ineos Composites US LLC
Pittsburgh, PA · Parent: Ineos Enterprises US Holdco LLC
- Total releases
- 81.3K lbs
- Chemicals reported
- 8
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Ineos Composites US LLC: how the 95.1K lbs splits
95.1K lbs across all reported pathways
- Air Releases 95.1K lbs 100.0%
Ineos Composites US LLC's 95.1K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Styrene.
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
LIGHT volume AIR pathway CARC-HEAVY
Ineos Composites US LLC is an EPA Toxics Release Inventory reporter in Pittsburgh, PA, in the chemicals sector. It reported 13.8K lbs of releases across 7 chemicals in 2024, and 81.3K lbs in total across its 2019-2024 reporting years. That ranks 5,024 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Pennsylvania's 1,010 reporting TRI sites, pounds #1 is not chemical-count #1. Ineos Composites US LLC is pounds #197 and chemical-count #134 at 81.3K lbs. Max Environmental -- Yukon Facility leads reported pounds (34.8M lbs) at 18 chemicals (chemical-count #24). Keystone Cement Co leads chemical count at 53 chemicals (155.4K lbs, pounds #149). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Neville Chemical Co; Calgon Carbon Corp Neville Island Plant; Watson Standard Co (neville Island Plant); Lanxess Corp Neville Island. Similar-scale Chemicals peers outside Pennsylvania: Hentzen Coatings,inc; Baxter International Inc.; Industrial Dielectrics Inc.; Interplastic Corp. Other Ineos Enterprises US Holdco LLC sites in this extract: Ineos Pigments USA Inc; Ineos Pigments USA Inc; Ineos Joliet LLC; Ineos Composites Philadelphia Plant. Largest disclosed chemicals by pounds: Styrene; Phthalic anhydride; Methyl methacrylate; Maleic anhydride.
Ineos Composites US LLC stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 8 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 81.3K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Hentzen Coatings,inc and Baxter International Inc..
Ineos Composites US LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
81K lbs Top 19% higher than 81% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Ineos Composites US LLC: Styrene-led volume
Among the 3,917 Chemicals facilities in this database, Ineos Composites US LLC reports the 1,019th-largest volume (81.3K lbs). Its reported volume is concentrated rather than spread: Styrene alone is 66.9% of the total. Carcinogen-classified chemicals make up 66.9% of the reported pounds, not just of the chemical count. Scale peers outside Pennsylvania include Hentzen Coatings,inc and Baxter International Inc..
Concentrated means ≥60% of Ineos Composites US LLC's pounds in one chemical - here Styrene at 66.9%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Ineos Composites US LLC's total reported releases fell from 17.3 thousand lb in 2022 to 16.2 thousand lb in 2023, based on EPA TRI filings.
- Ineos Composites US LLC's air releases fell from 17.3 thousand lb in 2022 to 16.2 thousand lb in 2023, based on EPA TRI filings.
Ineos Composites US LLC Form-R facts
Compare this facility
See how Ineos Composites US LLC stacks up against nearby facilities and the typical reporter.
About the same as the comparison
20% less than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Ineos Composites US LLC releases toxic chemicals into the environment. Total: 95.1K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 15% (16.2K lbs to 13.8K lbs).
Ineos Composites US LLC: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Ineos Composites US LLC year-over-year reported totals (decreased by 15% from 2019 to 2024). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Styrene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 16.2K lbs | 8 |
| 2020 | 15.4K lbs | 8 |
| 2021 | 16.2K lbs | 8 |
| 2022 | 17.3K lbs | 8 |
| 2023 | 16.2K lbs | 8 |
| 2024 | 13.8K lbs | 7 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 2 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Styrene | 63.6K lbs | Carcinogen |
| Phthalic anhydride | 9.6K lbs | - |
| Methyl methacrylate | 9.3K lbs | - |
| Maleic anhydride | 6.7K lbs | - |
| Ethylene glycol | 3.3K lbs | - |
| Dicyclopentadiene | 2.6K lbs | - |
| Cobalt compounds | 0 lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 0 lbs | - |
Ineos Composites US LLC · AIR-pathway site
Nearest TRI Facilities to Ineos Composites US LLC
Closest other reporters in Pennsylvania - including Neville Chemical Co, Calgon Carbon Corp Neville Island Plant, Watson Standard Co (neville Island Plant), ordered by distance.
Showing 8 of 1,009 other reporting facilities in Pennsylvania.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Pennsylvania - e.g. Hentzen Coatings,inc, Baxter International Inc., Industrial Dielectrics Inc..
Compare beyond Pennsylvania
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Ineos Composites US LLC on cumulative reported pounds (81.3K lbs) and distinct chemical count (8). Release-pound peers include Illinois Mpp Corp, 3M Co Chelmsford, Hentzen Coatings,inc. Chemical-count peers include Prepa-South Coast Power Plant, Argos Puerto Rico Corp., US Tsubaki Automotive LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Ineos Enterprises US Holdco LLC Facilities
Same-parent TRI sites ranked by reported releases - including Ineos Pigments USA Inc, Ineos Pigments USA Inc, Ineos Joliet LLC.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Styrene, Phthalic anhydride, Methyl methacrylate, Maleic anhydride; nearby reporters include Neville Chemical Co. Ineos Composites US LLC stamps LIGHT volume · AIR pathway · CARC-HEAVY carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Ineos Composites US LLC TRI extract (LIGHT · AIR · CARC-HEAVY · lead Styrene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Ineos Composites US LLC totals are self-reported EPCRA §313 estimates for Pittsburgh, PA, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 325211 · Chemicals. 0.2% of Allegheny TRI pounds in this extract. Nearest ABS peer: Illinois Mpp Corp (Δ 43 lbs). Pounds ≠ exposure.
Ineos Composites US LLC stamps LIGHT volume · AIR pathway · CARC-HEAVY · lead Styrene. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov