EPA TRI Facility · Chemicals
Postle Extrusions
Cassopolis, MI
- Total releases
- 6.2K lbs
- Chemicals reported
- 2
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Postle Extrusions: how the 6.2K lbs splits
6.2K lbs across all reported pathways
- Air Releases 6.2K lbs 100.0%
Postle Extrusions's 6.2K 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: Xylene (mixed isomers).
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-LEAN
Postle Extrusions is an EPA Toxics Release Inventory reporter in Cassopolis, MI, in the chemicals sector. It reported 1.1K lbs of releases across 2 chemicals in 2023, and 6.2K lbs in total across its 2019-2023 reporting years. That ranks 10,773 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Michigan's 791 reporting TRI sites, pounds #1 is not chemical-count #1. Postle Extrusions is pounds #414 and chemical-count #491 at 6.2K lbs. Cleveland-Cliffs Steel Corp Dearborn Works leads reported pounds (53.0M lbs) at 17 chemicals (chemical-count #27). Eq Detroit Inc leads chemical count at 71 chemicals (14.0M lbs, pounds #5). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Autocam; Mercury Displacement Industries Inc.; Niles Steel Tank; Special-Lite Inc. Similar-scale Chemicals peers outside Michigan: Royal Oak Enterprises-Reynolds; Polymeric US; Ethos Biosciences Inc.; Caap Co Inc. Largest disclosed chemicals by pounds: Xylene (mixed isomers); Naphthalene.
Postle Extrusions stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 2 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 6.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Royal Oak Enterprises-Reynolds and Polymeric US.
Postle Extrusions vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
6.2K lbs Top 41% higher than 59% 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
Postle Extrusions inside Cass's TRI pounds
Among the 3,917 Chemicals facilities in this database, Postle Extrusions reports the 2,240th-largest volume (6.2K lbs). This one site accounts for more than 99.9% of every pound reported in Cass. Its reported volume is concentrated rather than spread: Xylene (mixed isomers) alone is 87.7% of the total. Scale peers outside Michigan include Royal Oak Enterprises-Reynolds and Polymeric US.
County-dominant here means ≥25% of Cass's reported pounds (6.2K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Postle Extrusions's total reported releases fell from 1.7 thousand lb in 2022 to 1.1 thousand lb in 2023, based on EPA TRI filings.
- Postle Extrusions's air releases fell from 1.7 thousand lb in 2022 to 1.1 thousand lb in 2023, based on EPA TRI filings.
Postle Extrusions Form-R facts
Compare this facility
See how Postle Extrusions stacks up against nearby facilities and the typical reporter.
5943.8× more than the comparison
2.0× more 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 Postle Extrusions releases toxic chemicals into the environment. Total: 6.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 98% (563 lbs to 1.1K lbs).
Postle Extrusions: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Postle Extrusions year-over-year reported totals (increased by 98% from 2019 to 2023). 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: Xylene (mixed isomers).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 563 lbs | 1 |
| 2020 | 1.3K lbs | 1 |
| 2021 | 1.6K lbs | 2 |
| 2022 | 1.7K lbs | 2 |
| 2023 | 1.1K lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 2 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Xylene (mixed isomers) | 5.5K lbs | - |
| Naphthalene | 766 lbs | Carcinogen |
Postle Extrusions · AIR-pathway site
Nearest TRI Facilities to Postle Extrusions
Closest other reporters in Michigan - including Autocam, Mercury Displacement Industries Inc., Niles Steel Tank, ordered by distance.
Showing 8 of 790 other reporting facilities in Michigan.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Michigan - e.g. Royal Oak Enterprises-Reynolds, Polymeric US, Ethos Biosciences Inc..
Compare beyond Michigan
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Postle Extrusions on cumulative reported pounds (6.2K lbs) and distinct chemical count (2). Release-pound peers include Springfield Remanufacturing Corp., Royal Oak Enterprises-Reynolds, Azz Galvanizing Services-Nashville. Chemical-count peers include Idi Caribe Inc, Suiza Dairy Corp, Edwards Lifesciences Technology Sarl. 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.
- Springfield Remanufacturing Corp. Springfield, MO · Machinery 6.2K lbs reported
- Royal Oak Enterprises-Reynolds Centerville, MO · Chemicals 6.2K lbs reported
- Azz Galvanizing Services-Nashville Nashville, TN · Fabricated Metals 6.2K lbs reported
- Carlex Glass America LLC Nashville, TN · Nonmetallic Mineral Product 6.2K 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 Xylene (mixed isomers), Naphthalene; nearby reporters include Autocam. Postle Extrusions stamps LIGHT volume · AIR pathway · CARC-LEAN 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 Postle Extrusions TRI extract (LIGHT · AIR · CARC-LEAN · lead Xylene (mixed isomers)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Postle Extrusions totals are self-reported EPCRA §313 estimates for Cassopolis, MI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325510 · Chemicals. more than 99.9% of Cass TRI pounds in this extract. Nearest ABS peer: Fca US Sterling Stamping Plant (Δ 0 lbs). Pounds ≠ exposure.
Postle Extrusions stamps LIGHT volume · AIR pathway · CARC-LEAN · lead Xylene (mixed isomers). 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