EPA TRI Facility · Chemicals
Hexion Inc
Geismar, LA · Parent: Hexion Holdings Corp
- Total releases
- 289.2K lbs
- Chemicals reported
- 6
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Hexion Inc: how the 289.2K lbs splits
289.2K lbs across all reported pathways
- Air Releases 288.6K lbs 99.8%
- Water Discharges 613 lbs 0.2%
Hexion Inc's 289.2K lbs Form-R total is AIR - air releases is 99.8% of the bar. Next segment: water discharges at 0.2%. Leading chemical by pounds: Methanol.
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.
MID volume AIR pathway CARC-MID
Hexion Inc is an EPA Toxics Release Inventory reporter in Geismar, LA, in the chemicals sector. It reported 57.5K lbs of releases across 4 chemicals in 2023, and 289.2K lbs in total across its 2019-2023 reporting years. That ranks 2,637 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Louisiana's 417 reporting TRI sites, pounds #1 is not chemical-count #1. Hexion Inc is pounds #107 and chemical-count #161 at 289.2K lbs. Bayer Cropscience LP leads reported pounds (81.9M lbs) at 17 chemicals (chemical-count #52). Eco-Services Operations leads chemical count at 68 chemicals (163.5K lbs, pounds #136). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Westlake Vinyls Co; Reg Geismar LLC; Lion Copolymer Geismar LLC; Geismar Fabrication Facility. Similar-scale Chemicals peers outside Louisiana: Century Industrial Coatings I Nc.; Ineos Styrolution America LLC; Novozymes Na Inc; Rextac LLC. Other Hexion Holdings Corp sites in this extract: Hexion Inc-Fayetteville Facility; Hexion Inc. - Hope Plant; Hexion Inc.; Hexion Inc-Sheboygan Site. Largest disclosed chemicals by pounds: Methanol; Formaldehyde; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Silver compounds.
Hexion Inc stamps MID volume with a dominant AIR pathway (99.8% air releases) across 6 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 289.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Century Industrial Coatings I Nc. and Ineos Styrolution America LLC.
Hexion Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
289K lbs Top 10% higher than 90% 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
Hexion Inc: Methanol-led volume
Among the 3,917 Chemicals facilities in this database, Hexion Inc reports the 521st-largest volume, placing it in the top 13.3% of its sector. Its reported volume is concentrated rather than spread: Methanol alone is 69.4% of the total. Scale peers outside Louisiana include Century Industrial Coatings I Nc. and Ineos Styrolution America LLC.
Concentrated means ≥60% of Hexion Inc's pounds in one chemical - here Methanol at 69.4%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Hexion Inc's water releases rose from 3 lb in 2022 to 20 lb in 2023, based on EPA TRI filings.
- Hexion Inc's chemicals reported fell from 5 in 2022 to 4 in 2023, based on EPA TRI filings.
Hexion Inc Form-R facts
Compare this facility
See how Hexion Inc stacks up against nearby facilities and the typical reporter.
59% less than the comparison
80% 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 Hexion Inc releases toxic chemicals into the environment. Total: 289.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 4% (60.0K lbs to 57.5K lbs).
Hexion Inc: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Hexion Inc year-over-year reported totals (decreased by 4% 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: Methanol.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 60.0K lbs | 5 |
| 2020 | 54.2K lbs | 4 |
| 2021 | 60.0K lbs | 5 |
| 2022 | 57.5K lbs | 5 |
| 2023 | 57.5K lbs | 4 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 6 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Methanol | 200.6K lbs | - |
| Formaldehyde | 88.6K lbs | Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0 lbs | - |
| Silver compounds | 0 lbs | - |
| Molybdenum trioxide | 0 lbs | Carcinogen |
| Silver And Silver Compounds | 0 lbs | - |
Hexion Inc · AIR-pathway site
Nearest TRI Facilities to Hexion Inc
Closest other reporters in Louisiana - including Westlake Vinyls Co, Reg Geismar LLC, Lion Copolymer Geismar LLC, ordered by distance.
Showing 8 of 416 other reporting facilities in Louisiana.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Louisiana - e.g. Century Industrial Coatings I Nc., Ineos Styrolution America LLC, Novozymes Na Inc.
Compare beyond Louisiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Hexion Inc on cumulative reported pounds (289.2K lbs) and distinct chemical count (6). Release-pound peers include Dynax America Corp, Century Industrial Coatings I Nc., U.S. Army Aberdeen Proving Ground. Chemical-count peers include Eaton Intelligent Power Ltd, Leoni Wire Inc, Turf Care Supply-Hatfield Plant. 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.
- Dynax America Corp Roanoke, VA · Transportation Equipment 289.2K lbs reported
- Century Industrial Coatings I Nc. Jacksonville, TX · Chemicals 289.5K lbs reported
- U.S. Army Aberdeen Proving Ground Aberdeen Proving Ground, MD · Other 288.9K lbs reported
- Tesla Buffalo, NY · Computers and Electronic Products 289.6K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Hexion Holdings Corp Facilities
Same-parent TRI sites ranked by reported releases - including Hexion Inc-Fayetteville Facility, Hexion Inc. - Hope Plant, Hexion Inc..
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 Methanol, Formaldehyde, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Silver compounds; nearby reporters include Westlake Vinyls Co. Hexion Inc stamps MID volume · AIR pathway · CARC-MID 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 Hexion Inc TRI extract (MID · AIR · CARC-MID · lead Methanol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Hexion Inc totals are self-reported EPCRA §313 estimates for Geismar, LA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325199 · Chemicals. 0.2% of Ascension Parish TRI pounds in this extract. Nearest ABS peer: Dynax America Corp (Δ 41 lbs). Pounds ≠ exposure.
Hexion Inc stamps MID volume · AIR pathway · CARC-MID · lead Methanol. 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