EPA TRI Facility · Wood Products
Chopin Mill
Chopin, LA · Parent: Martco LLC
- Total releases
- 270.5K lbs
- Chemicals reported
- 5
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Chopin Mill: how the 270.5K lbs splits
270.5K lbs across all reported pathways
- Air Releases 266.5K lbs 98.5%
- Land Disposal 3.9K lbs 1.5%
Chopin Mill's 270.5K lbs Form-R total is AIR - air releases is 98.5% of the bar. Next segment: land disposal at 1.5%. Leading chemical by pounds: Methanol.
MID volume AIR pathway TRACE-CARC
Chopin Mill is an EPA Toxics Release Inventory reporter in Chopin, LA, in the wood products sector. It reported 54.1K lbs of releases across 4 chemicals in 2023, and 270.5K lbs in total across its 2019-2023 reporting years. That ranks 2,748 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. Chopin Mill is pounds #113 and chemical-count #187 at 270.5K 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: Brame Energy Center; Boise Cascade Wood Products Alexandria Ewp; Clean Harbors Colfax LLC; Union Tank Car - Alexandria Manufacturing Facility. Similar-scale Wood Products peers outside Louisiana: Langboard Mdf; Kronospan LLC; Weyerhaeuser Nr Co Millport Al; Louisiana-Pacific Corp.. Other Martco LLC sites in this extract: Oakdale Osb Plant. Largest disclosed chemicals by pounds: Methanol; Lead compounds; Lead And Lead Compounds; Dioxin and dioxin-like compounds.
Chopin Mill stamps MID volume with a dominant AIR pathway (98.5% air releases) across 5 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 270.5K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Langboard Mdf and Kronospan LLC.
Chopin Mill vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
270K lbs Top 11% higher than 89% 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
Chopin Mill: Methanol-led volume
Among the 823 Wood Products facilities in this database, Chopin Mill reports the 50th-largest volume, placing it in the top 6.1% of its sector. Its reported volume is concentrated rather than spread: Methanol alone is 98.5% of the total. Scale peers outside Louisiana include Langboard Mdf and Kronospan LLC.
Concentrated means ≥60% of Chopin Mill's pounds in one chemical - here Methanol at 98.5%. Not a toxicity score.
Chopin Mill Form-R facts
Compare this facility
See how Chopin Mill stacks up against nearby facilities and the typical reporter.
89% less than the comparison
71% 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 Chopin Mill releases toxic chemicals into the environment. Total: 270.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 1% (53.8K lbs to 54.1K lbs).
Chopin Mill: 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 Chopin Mill year-over-year reported totals (increased by 1% 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 | 53.8K lbs | 4 |
| 2020 | 54.8K lbs | 4 |
| 2021 | 53.6K lbs | 4 |
| 2022 | 54.2K lbs | 4 |
| 2023 | 54.1K lbs | 4 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 5 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Methanol | 266.3K lbs | - |
| Lead compounds | 3.3K lbs | - |
| Lead And Lead Compounds | 866 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
| Diisocyanates | 0 lbs | - |
Chopin Mill · AIR-pathway site
Nearest TRI Facilities to Chopin Mill
Closest other reporters in Louisiana - including Brame Energy Center, Boise Cascade Wood Products Alexandria Ewp, Clean Harbors Colfax LLC, ordered by distance.
Showing 8 of 416 other reporting facilities in Louisiana.
Similar Wood Products Facilities
Other Wood Products facilities with similar total release volumes (±80%), outside Louisiana - e.g. Langboard Mdf, Kronospan LLC, Weyerhaeuser Nr Co Millport Al.
Compare beyond Louisiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Chopin Mill on cumulative reported pounds (270.5K lbs) and distinct chemical count (5). Release-pound peers include Johnstown Wire Technologies Inc., Greif Packaging LLC, Rti Martinsville Inc. Chemical-count peers include Abbvie Ltd, Lilly del Caribe Inc Carolin A, Baxter Healthcare of 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.
- Johnstown Wire Technologies Inc. Johnstown, PA · Primary Metals 270.5K lbs reported
- Greif Packaging LLC Florence, KY · Fabricated Metals 270.5K lbs reported
- Rti Martinsville Inc Martinsville, VA · Fabricated Metals 270.6K lbs reported
- Materion Advanced Chemicals Milwaukee, WI · Chemicals 270.6K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Martco LLC Facilities
Same-parent TRI sites ranked by reported releases - including Oakdale Osb Plant.
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, Lead compounds, Lead And Lead Compounds, Dioxin and dioxin-like compounds; nearby reporters include Brame Energy Center. Chopin Mill stamps MID volume · AIR pathway · TRACE-CARC 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 Chopin Mill TRI extract (MID · AIR · TRACE-CARC · lead Methanol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Chopin Mill totals are self-reported EPCRA §313 estimates for Chopin, LA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 321212 · Wood Products. 3.8% of Natchitoches Parish TRI pounds in this extract. Nearest ABS peer: Johnstown Wire Technologies Inc. (Δ 33 lbs). Pounds ≠ exposure.
Chopin Mill stamps MID volume · AIR pathway · TRACE-CARC · 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