EPA TRI Facility · Chemicals
Tronox LLC
Hamilton, MS · Parent: Tronox Ltd
- Total releases
- 64.0M lbs
- Chemicals reported
- 17
- Carcinogens
- 1
- Primary pathway
- Land Disposal
LAND Form-R mix
Tronox LLC: how the 64.0M lbs splits
64.0M lbs across all reported pathways
- Land Disposal 60.8M lbs 95.0%
- Water Discharges 1.6M lbs 2.5%
- Air Releases 1.6M lbs 2.4%
Tronox LLC's 64.0M lbs Form-R total is LAND - land disposal is 95.0% of the bar. Next segment: water discharges at 2.5%. Leading chemical by pounds: Manganese compounds.
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.
HEAVY volume LAND pathway TRACE-CARC
Tronox LLC is an EPA Toxics Release Inventory reporter in Hamilton, MS, in the chemicals sector. It reported 9.8M lbs of releases across 13 chemicals in 2023, and 64.0M lbs in total across its 2019-2023 reporting years. That ranks 26 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Mississippi's 328 reporting TRI sites, pounds #1 is not chemical-count #1. Tronox LLC leads reported pounds (64.0M lbs) at 17 chemicals (chemical-count #12). Chevron Products Co Pascagoula Refinery leads chemical count at 46 chemicals (7.4M lbs, pounds #9). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Sterling Specialty Chemicals US LLC; Westlake Chemicals & Vinyls LLC; Yokohama Tire Manufacturing Mississippi LLC; Westlake Compounds LLC. Similar-scale Chemicals peers outside Mississippi: Cornerstone Chemical Co LLC; Cf Industries Nitrogen LLC; Bayer Cropscience LP; Ineos Nitriles USA LLC. Largest disclosed chemicals by pounds: Manganese compounds; Manganese And Manganese Compounds; Vanadium compounds; Chromium compounds (except for chromite ore mined in the Transvaal Region).
In-state chemical count is not the pounds ranking
Mississippi TRI reporters with pounds > 0 and chemicals > 0 (n=328)
- Chevron Products Co...
- Tronox LLC 17
What this shows Chevron Products Co Pascagoula Refinery leads Mississippi chemical count. Tronox LLC leads reported pounds and sits at chemical-count #12. Chemical count is a disclosure mix, not toxicity or health risk.
Tronox LLC stamps HEAVY volume with a dominant LAND pathway (95.0% land disposal) across 17 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 64.0M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Cornerstone Chemical Co LLC and Cf Industries Nitrogen LLC.
Tronox LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
64M lbs Top 1% higher than 100% 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
Tronox LLC inside Monroe's TRI pounds
Among the 3,917 Chemicals facilities in this database, Tronox LLC reports the 6th-largest volume, placing it in the top 0.2% of its sector. This one site accounts for 98.6% of every pound reported in Monroe. Scale peers outside Mississippi include Cornerstone Chemical Co LLC and Cf Industries Nitrogen LLC.
County-dominant here means ≥25% of Monroe's reported pounds (64.9M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Tronox LLC's total reported releases fell from 13.2 million lb in 2022 to 9.8 million lb in 2023, based on EPA TRI filings.
- Tronox LLC's water releases fell from 746.5 thousand lb in 2022 to 383.5 thousand lb in 2023, based on EPA TRI filings.
- Tronox LLC's land releases fell from 12.1 million lb in 2022 to 9.1 million lb in 2023, based on EPA TRI filings.
- Tronox LLC's air releases fell from 339.3 thousand lb in 2022 to 296.4 thousand lb in 2023, based on EPA TRI filings.
Tronox LLC Form-R facts
Compare this facility
See how Tronox LLC stacks up against nearby facilities and the typical reporter.
1751.1× more than the comparison
5.7× 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 Tronox LLC releases toxic chemicals into the environment. Total: 64.0M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 39% (16.1M lbs to 9.8M lbs).
Tronox LLC: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Tronox LLC year-over-year reported totals (decreased by 39% 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: Manganese compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 16.1M lbs | 13 |
| 2020 | 12.9M lbs | 13 |
| 2021 | 12.0M lbs | 13 |
| 2022 | 13.2M lbs | 13 |
| 2023 | 9.8M lbs | 13 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 17 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Manganese compounds | 29.0M lbs | - |
| Manganese And Manganese Compounds | 18.3M lbs | - |
| Vanadium compounds | 10.9M lbs | - |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 2.4M lbs | - |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 1.7M lbs | - |
| Carbonyl sulfide | 1.1M lbs | - |
| Toluene | 320.5K lbs | - |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 71.3K lbs | - |
| Barium And Barium Compounds | 52.4K lbs | - |
| Chlorodifluoromethane (HCFC-22) | 43.1K lbs | - |
| Titanium tetrachloride | 21.6K lbs | - |
| Lead compounds | 11.5K lbs | - |
| Chlorine | 10.7K lbs | - |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 10.6K lbs | - |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 7.2K lbs | - |
| Lead And Lead Compounds | 1.4K lbs | - |
| Dioxin and dioxin-like compounds | 4 lbs | Carcinogen |
Tronox LLC · LAND-pathway site
Nearest TRI Facilities to Tronox LLC
Closest other reporters in Mississippi - including Sterling Specialty Chemicals US LLC, Westlake Chemicals & Vinyls LLC, Yokohama Tire Manufacturing Mississippi LLC, ordered by distance.
Showing 8 of 327 other reporting facilities in Mississippi.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Mississippi - e.g. Cornerstone Chemical Co LLC, Cf Industries Nitrogen LLC, Bayer Cropscience LP.
Compare beyond Mississippi
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Tronox LLC on cumulative reported pounds (64.0M lbs) and distinct chemical count (17). Release-pound peers include Tm Deer Park Services LP, Cornerstone Chemical Co LLC, Sand Hills Gas Plant. Chemical-count peers include Astro Chemicals Inc, Doremus Terminal LLC, Rq Resins 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.
- Tm Deer Park Services LP Deer Park, TX · Hazardous Waste 63.0M lbs reported
- Cornerstone Chemical Co LLC Westwego, LA · Chemicals 65.6M lbs reported
- Sand Hills Gas Plant Crane, TX · Natural Gas Processing 60.7M lbs reported
- Cleveland-Cliffs Steel Corp (rockport Works ) Rockport, IN · Primary Metals 67.4M 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 Manganese compounds, Manganese And Manganese Compounds, Vanadium compounds, Chromium compounds (except for chromite ore mined in the Transvaal Region); nearby reporters include Sterling Specialty Chemicals US LLC. Tronox LLC stamps HEAVY volume · LAND 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 Tronox LLC TRI extract (HEAVY · LAND · TRACE-CARC · lead Manganese compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Tronox LLC totals are self-reported EPCRA §313 estimates for Hamilton, MS, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325130 · Chemicals. 98.6% of Monroe TRI pounds in this extract. Nearest ABS peer: Tm Deer Park Services LP (Δ 1.0M lbs). Pounds ≠ exposure.
Tronox LLC stamps HEAVY volume · LAND pathway · TRACE-CARC · lead Manganese compounds. 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