EPA TRI Facility · Plastics and Rubber
Liberty Pultrusions
West Mifflin, PA
- Total releases
- 138.4K lbs
- Chemicals reported
- 1
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Liberty Pultrusions: how the 167.2K lbs splits
167.2K lbs across all reported pathways
- Air Releases 167.2K lbs 100.0%
Liberty Pultrusions's 167.2K 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.
MID volume AIR pathway CARC-HEAVY
Liberty Pultrusions is an EPA Toxics Release Inventory reporter in West Mifflin, PA, in the plastics and rubber sector. It reported 28.8K lbs of releases across 1 chemical in 2024, and 138.4K lbs in total across its 2019-2024 reporting years. That ranks 3,910 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. Liberty Pultrusions is pounds #157 and chemical-count #793 at 138.4K 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Uss Mon Valley Works - Irvin Plant; Tech Met Inc.; Lafarge - Duquesne Slag; Db Pipe LLC. Similar-scale Plastics and Rubber peers outside Pennsylvania: Carstens Industries Fiberglass Manufacturing; Transcontinental Matthews; Custom Pultrusions Inc.; Alpha General Services LLC. Largest disclosed chemicals by pounds: Styrene.
Liberty Pultrusions stamps MID volume with a dominant AIR pathway (100.0% air releases) across 1 chemical · 1 carcinogen-classified. Cumulative Form-R extract: 138.4K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Carstens Industries Fiberglass Manufacturing and Transcontinental Matthews.
Liberty Pultrusions vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
138K lbs Top 15% higher than 85% 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
Liberty Pultrusions: Styrene-led volume
Among the 1,504 Plastics and Rubber facilities in this database, Liberty Pultrusions reports the 263rd-largest volume, placing it in the top 17.5% of its sector. Its reported volume is concentrated rather than spread: Styrene alone is 100% of the total. Carcinogen-classified chemicals make up 100% of the reported pounds, not just of the chemical count. Scale peers outside Pennsylvania include Carstens Industries Fiberglass Manufacturing and Transcontinental Matthews.
Concentrated means ≥60% of Liberty Pultrusions's pounds in one chemical - here Styrene at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Liberty Pultrusions's total reported releases rose from 26.4 thousand lb in 2022 to 28.0 thousand lb in 2023, based on EPA TRI filings.
- Liberty Pultrusions's air releases rose from 26.4 thousand lb in 2022 to 28.0 thousand lb in 2023, based on EPA TRI filings.
Liberty Pultrusions Form-R facts
Compare this facility
See how Liberty Pultrusions stacks up against nearby facilities and the typical reporter.
81% less than the comparison
90% 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 Liberty Pultrusions releases toxic chemicals into the environment. Total: 167.2K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 24% (37.9K lbs to 28.8K lbs).
Liberty Pultrusions: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Liberty Pultrusions year-over-year reported totals (decreased by 24% 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 | 37.9K lbs | 1 |
| 2020 | 22.4K lbs | 1 |
| 2021 | 23.7K lbs | 1 |
| 2022 | 26.4K lbs | 1 |
| 2023 | 28.0K lbs | 1 |
| 2024 | 28.8K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 1 of 1 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Styrene | 167.2K lbs | Carcinogen |
Liberty Pultrusions · AIR-pathway site
Nearest TRI Facilities to Liberty Pultrusions
Closest other reporters in Pennsylvania - including Uss Mon Valley Works - Irvin Plant, Tech Met Inc., Lafarge - Duquesne Slag, ordered by distance.
Showing 8 of 1,009 other reporting facilities in Pennsylvania.
Similar Plastics and Rubber Facilities
Other Plastics and Rubber facilities with similar total release volumes (±80%), outside Pennsylvania - e.g. Carstens Industries Fiberglass Manufacturing, Transcontinental Matthews, Custom Pultrusions Inc..
Compare beyond Pennsylvania
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Liberty Pultrusions on cumulative reported pounds (138.4K lbs) and distinct chemical count (1). Release-pound peers include Chemical Products Corp, Carstens Industries Fiberglass Manufacturing, Firestone Fibers & Textiles Co. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico 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.
- Chemical Products Corp Cartersville, GA · Chemicals 138.4K lbs reported
- Carstens Industries Fiberglass Manufacturing Melrose, MN · Plastics and Rubber 138.4K lbs reported
- Firestone Fibers & Textiles Co Gastonia, NC · Textile Product 138.3K lbs reported
- US Army National Guard Fort McClellan Ranges Anniston, AL · Other 138.4K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
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; nearby reporters include Uss Mon Valley Works - Irvin Plant. Liberty Pultrusions stamps MID 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 Liberty Pultrusions TRI extract (MID · AIR · CARC-HEAVY · lead Styrene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Liberty Pultrusions totals are self-reported EPCRA §313 estimates for West Mifflin, PA, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 326130 · Plastics and Rubber. 0.3% of Allegheny TRI pounds in this extract. Nearest ABS peer: Chemical Products Corp (Δ 1 lbs). Pounds ≠ exposure.
Liberty Pultrusions stamps MID 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