EPA TRI Facility · Chemicals
Arq Solutions (operations) LLC
Coushatta, LA
- Total releases
- 828.4K lbs
- Chemicals reported
- 30
- Carcinogens
- 7
- Primary pathway
- Air Releases
MIXED Form-R mix
Arq Solutions (operations) LLC: how the 828.4K lbs splits
828.4K lbs across all reported pathways
- Air Releases 564.8K lbs 68.2%
- Off-site Transfers 261.8K lbs 31.6%
- Water Discharges 1.8K lbs 0.2%
- Land Disposal 0 lbs <0.1%
Arq Solutions (operations) LLC's 828.4K lbs Form-R total is MIXED - air releases is 68.2% of the bar. Next segment: off-site transfers at 31.6%. Leading chemical by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
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 MIXED pathway TRACE-CARC
Arq Solutions (operations) LLC is an EPA Toxics Release Inventory reporter in Coushatta, LA, in the chemicals sector. It reported 218.3K lbs of releases across 28 chemicals in 2023, and 828.4K lbs in total across its 2019-2023 reporting years. That ranks 1,458 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. Arq Solutions (operations) LLC is pounds #81 and chemical-count #26 at 828.4K 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: Coushatta Forest Products Inc.; Dolet Hills Power Station; International Paper Co - Mansfield Mill; International Paper / Red River Mill. Similar-scale Chemicals peers outside Louisiana: Durez Corp; Allnex USA Inc; Emd Performance Materials Corp; Matheson Tri-Gas-New Johnsonville Tn Branch. Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium; Ammonia; Manganese And Manganese Compounds.
Arq Solutions (operations) LLC is a MID · MIXED-pathway Form-R site in Coushatta, LA: 828.4K lbs across 30 chemicals (7 carcinogen-classified, TRACE-CARC). No single media clears 70% of the bar (lead segment air releases at 68.2%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Durez Corp and Allnex USA Inc.
Arq Solutions (operations) LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
828K lbs Top 6% higher than 94% 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
Arq Solutions (operations) LLC inside Red River Parish's TRI pounds
Among the 3,917 Chemicals facilities in this database, Arq Solutions (operations) LLC reports the 296th-largest volume, placing it in the top 7.6% of its sector. This one site accounts for more than 99.9% of every pound reported in Red River Parish. Its reported volume is concentrated rather than spread: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) alone is 62.4% of the total. Scale peers outside Louisiana include Durez Corp and Allnex USA Inc.
County-dominant here means ≥25% of Red River Parish's reported pounds (828.6K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Arq Solutions (operations) LLC's total reported releases fell from 248.4 thousand lb in 2022 to 218.3 thousand lb in 2023, based on EPA TRI filings.
- Arq Solutions (operations) LLC's air releases fell from 181.0 thousand lb in 2022 to 143.9 thousand lb in 2023, based on EPA TRI filings.
- Arq Solutions (operations) LLC's water releases fell from 499 lb in 2022 to 423 lb in 2023, based on EPA TRI filings.
- Arq Solutions (operations) LLC's off-site transfers rose from 66.9 thousand lb in 2022 to 73.9 thousand lb in 2023, based on EPA TRI filings.
Arq Solutions (operations) LLC Form-R facts
Compare this facility
See how Arq Solutions (operations) LLC stacks up against nearby facilities and the typical reporter.
3569.1× more than the comparison
30.0× 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 Arq Solutions (operations) LLC releases toxic chemicals into the environment. Total: 828.4K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 261% (60.4K lbs to 218.3K lbs).
Arq Solutions (operations) LLC: annual Form-R pounds
MID site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Arq Solutions (operations) LLC year-over-year reported totals (increased by 261% 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: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 60.4K lbs | 23 |
| 2020 | 62.8K lbs | 23 |
| 2021 | 238.5K lbs | 28 |
| 2022 | 248.4K lbs | 28 |
| 2023 | 218.3K lbs | 28 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 7 of 30 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 517.1K lbs | - |
| Barium | 182.6K lbs | - |
| Ammonia | 43.7K lbs | - |
| Manganese And Manganese Compounds | 40.8K lbs | - |
| Manganese compounds | 37.4K lbs | - |
| Ethylene | 2.4K lbs | - |
| Lead compounds | 2.3K lbs | - |
| Lead And Lead Compounds | 724 lbs | - |
| Propylene | 293 lbs | - |
| Naphthalene | 221 lbs | Carcinogen |
| Phenol | 192 lbs | - |
| Cresol (mixed isomers) | 117 lbs | - |
| Carbonyl sulfide | 111 lbs | - |
| Mercury | 102 lbs | - |
| Hydrogen cyanide | 79 lbs | - |
| Acetaldehyde | 66 lbs | Carcinogen |
| Hydrogen sulfide | 51 lbs | - |
| 1,3-Butadiene | 39 lbs | Carcinogen |
| Anthracene | 24 lbs | - |
| Polycyclic aromatic compounds | 24 lbs | Carcinogen |
| Benzene | 23 lbs | Carcinogen |
| 2,4-Dimethylphenol | 23 lbs | - |
| Phenanthrene | 19 lbs | - |
| Xylene (mixed isomers) | 17 lbs | - |
| Carbon disulfide | 14 lbs | - |
| Dibenzofuran | 13 lbs | - |
| Biphenyl | 8 lbs | - |
| Quinoline | 8 lbs | Carcinogen |
| Toluene | 8 lbs | - |
| Styrene | 7 lbs | Carcinogen |
Arq Solutions (operations) LLC in Red River Parish
Nearest TRI Facilities to Arq Solutions (operations) LLC
Closest other reporters in Louisiana - including Coushatta Forest Products Inc., Dolet Hills Power Station, International Paper Co - Mansfield Mill, 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. Durez Corp, Allnex USA Inc, Emd Performance Materials Corp.
Compare beyond Louisiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Arq Solutions (operations) LLC on cumulative reported pounds (828.4K lbs) and distinct chemical count (30). Release-pound peers include Amphenol Corp, US Doe Nnsa/nfo Nevada National Security Site, Church & Dwight Co Inc. Chemical-count peers include Bowen Steam Electric Generating Plant, Amvac Chemical Co, Honda of America Manufacturing Inc. 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.
- Amphenol Corp Sidney, NY · Computers and Electronic Products 828.8K lbs reported
- US Doe Nnsa/nfo Nevada National Security Site Mercury, NV · Other 828.8K lbs reported
- Church & Dwight Co Inc Colonial Heights, VA · Plastics and Rubber 829.0K lbs reported
- Plating Technology Inc. Dayton Plant Dayton, OH · Fabricated Metals 829.1K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Bowen Steam Electric Generating Plant Cartersville, GA · Electric Utilities 30 chemicals
- Amvac Chemical Co Axis, AL · Chemicals 30 chemicals
- Honda of America Manufacturing Inc Marysville, OH · Transportation Equipment 30 chemicals
- Honda Development & Manufacturing of America LLC East Liberty, OH · Transportation Equipment 30 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 Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Barium, Ammonia, Manganese And Manganese Compounds; nearby reporters include Coushatta Forest Products Inc.. Arq Solutions (operations) LLC stamps MID volume · MIXED 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 Arq Solutions (operations) LLC TRI extract (MID · MIXED · TRACE-CARC · lead Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Arq Solutions (operations) LLC totals are self-reported EPCRA §313 estimates for Coushatta, LA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325998 · Chemicals. more than 99.9% of Red River Parish TRI pounds in this extract. Nearest ABS peer: Amphenol Corp (Δ 375 lbs). Pounds ≠ exposure.
Arq Solutions (operations) LLC stamps MID · MIXED pathway (air releases leads at 68.2%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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