EPA TRI Facility · Chemicals
Cos-Mar Co
Carville, LA · Parent: Cosmar Co
- Total releases
- 927.1K lbs
- Chemicals reported
- 13
- Carcinogens
- 6
- Primary pathway
- Air Releases
AIR Form-R mix
Cos-Mar Co: how the 927.1K lbs splits
927.1K lbs across all reported pathways
- Air Releases 843.2K lbs 91.0%
- Off-site Transfers 83.0K lbs 9.0%
- Water Discharges 862 lbs 0.1%
- Land Disposal 0 lbs <0.1%
Cos-Mar Co's 927.1K lbs Form-R total is AIR - air releases is 91.0% of the bar. Next segment: off-site transfers at 9.0%. 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.
MID volume AIR pathway CARC-HEAVY
Cos-Mar Co is an EPA Toxics Release Inventory reporter in Carville, LA, in the chemicals sector. It reported 174.1K lbs of releases across 13 chemicals in 2023, and 927.1K lbs in total across its 2019-2023 reporting years. That ranks 1,369 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. Cos-Mar Co is pounds #75 and chemical-count #75 at 927.1K 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). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Totalenergies Petrochemicals & Refining USA Inc Carville Pol; Honeywell International Inc Geismar Plant; Innophos Inc; Geismar Fractination Plant. Similar-scale Chemicals peers outside Louisiana: Zeon Chemicals LP Mississippi Plant; Am Stabilizers Corp; Slocum Adhesives Corp; Eurecat US. Largest disclosed chemicals by pounds: Styrene; Ethylbenzene; Benzene; Molybdenum trioxide.
Cos-Mar Co stamps MID volume with a dominant AIR pathway (91.0% air releases) across 13 chemicals · 6 carcinogen-classified. Cumulative Form-R extract: 927.1K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Zeon Chemicals LP Mississippi Plant and Am Stabilizers Corp.
Cos-Mar Co vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
927K lbs Top 5% higher than 95% 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
Cos-Mar Co: carcinogen-lbs share on Form-R
Among the 3,917 Chemicals facilities in this database, Cos-Mar Co reports the 275th-largest volume, placing it in the top 7% of its sector. Carcinogen-classified chemicals make up 92.7% of the reported pounds, not just of the chemical count. Scale peers outside Louisiana include Zeon Chemicals LP Mississippi Plant and Am Stabilizers Corp.
Carcinogen-heavy means ≥50% of pounds (92.7% here), not of chemical count. EPA/IARC classification ≠ site risk.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Cos-Mar Co's total reported releases fell from 205.4 thousand lb in 2022 to 174.1 thousand lb in 2023, based on EPA TRI filings.
- Cos-Mar Co's off-site transfers fell from 32.0 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Cos-Mar Co's water releases fell from 165 lb in 2022 to 138 lb in 2023, based on EPA TRI filings.
Cos-Mar Co Form-R facts
Compare this facility
See how Cos-Mar Co stacks up against nearby facilities and the typical reporter.
5.6× more than the comparison
2.2× 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 Cos-Mar Co releases toxic chemicals into the environment. Total: 927.1K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 12% (155.5K lbs to 174.1K lbs).
Cos-Mar Co: 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 Cos-Mar Co year-over-year reported totals (increased by 12% 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: Styrene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 155.5K lbs | 11 |
| 2020 | 215.3K lbs | 13 |
| 2021 | 176.8K lbs | 13 |
| 2022 | 205.4K lbs | 13 |
| 2023 | 174.1K lbs | 13 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 6 of 13 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Styrene | 519.2K lbs | Carcinogen |
| Ethylbenzene | 135.6K lbs | Carcinogen |
| Benzene | 117.1K lbs | Carcinogen |
| Molybdenum trioxide | 81.2K lbs | Carcinogen |
| Toluene | 57.7K lbs | - |
| Ethylene | 9.1K lbs | - |
| Cumene | 6.1K lbs | Carcinogen |
| Zinc compounds | 741 lbs | - |
| Dinitrobutyl phenol | 364 lbs | - |
| Naphthalene | 3 lbs | Carcinogen |
| Biphenyl | 0 lbs | - |
| Ethylene glycol | 0 lbs | - |
| Phenanthrene | 0 lbs | - |
Cos-Mar Co · AIR-pathway site
Nearest TRI Facilities to Cos-Mar Co
Closest other reporters in Louisiana - including Totalenergies Petrochemicals & Refining USA Inc Carville Pol, Honeywell International Inc Geismar Plant, Innophos Inc, 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. Zeon Chemicals LP Mississippi Plant, Am Stabilizers Corp, Slocum Adhesives Corp.
Compare beyond Louisiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Cos-Mar Co on cumulative reported pounds (927.1K lbs) and distinct chemical count (13). Release-pound peers include South Holland Metal Finishing, Zeon Chemicals LP Mississippi Plant, Ash Grove Cement Co. Chemical-count peers include Puerto Rico Energy LLC - Guaynabo 2 Terminal, Global Companies LLC, Shell Providence Terminal. 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.
- South Holland Metal Finishing Monee, IL · Fabricated Metals 928.6K lbs reported
- Zeon Chemicals LP Mississippi Plant Hattiesburg, MS · Chemicals 929.2K lbs reported
- Ash Grove Cement Co Chanute, KS · Nonmetallic Mineral Product 929.5K lbs reported
- Emerald Services Inc Tacoma, WA · Hazardous Waste 924.5K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Puerto Rico Energy LLC - Guaynabo 2 Terminal Guaynabo, PR · Petroleum Bulk Terminals 13 chemicals
- Global Companies LLC Revere, MA · Petroleum Bulk Terminals 13 chemicals
- Shell Providence Terminal Providence, RI · Petroleum Bulk Terminals 13 chemicals
- Sig Sauer Inc Newington, NH · Fabricated Metals 13 chemicals
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, Ethylbenzene, Benzene, Molybdenum trioxide; nearby reporters include Totalenergies Petrochemicals & Refining USA Inc Carville Pol. Cos-Mar Co 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 Cos-Mar Co TRI extract (MID · AIR · CARC-HEAVY · lead Styrene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Cos-Mar Co totals are self-reported EPCRA §313 estimates for Carville, LA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325110 · Chemicals. 1.8% of Iberville Parish TRI pounds in this extract. Nearest ABS peer: South Holland Metal Finishing (Δ 1.5K lbs). Pounds ≠ exposure.
Cos-Mar Co 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