EPA TRI Facility · Chemicals
Westlake Compounds LLC
Hazlehurst, MS · Parent: Westlake Corp
- Total releases
- 250 lbs
- Chemicals reported
- 3
- Latest report
- 2020
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Westlake Compounds LLC: how the 250 lbs splits
250 lbs across all reported pathways
- Off-site Transfers 250 lbs 100.0%
Westlake Compounds LLC's 250 lbs Form-R total is OFFSITE - off-site transfers is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Antimony And Antimony Compounds.
TRACE volume OFFSITE pathway CLEAN
Westlake Compounds LLC is an EPA Toxics Release Inventory reporter in Hazlehurst, MS, in the chemicals sector. It reported 250 lbs of releases across 1 chemical in 2020, and 250 lbs in total across its 2019-2020 reporting years. That ranks 15,576 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. Westlake Compounds LLC is pounds #231 and chemical-count #141 at 250 lbs. 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). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Dg Foods LLC; Sanderson Farms LLC; Hitachi Energy USA Inc.; Dunn Utility Products - Byram. Similar-scale Chemicals peers outside Mississippi: Hexcel Corp; Makhteshim Agan of N.a. Inc DBA Adama Vernon Wareh; Ritepack Inc; Pfp Industries LLC - Miles City Mt Facility. Other Westlake Corp sites in this extract: Westlake Longview Corp; Westlake US 2 LLC; Westlake Polymers LLC; Westlake Vinyls Inc. Largest disclosed chemicals by pounds: Antimony And Antimony Compounds; Antimony compounds; Chromium compounds (except for chromite ore mined in the Transvaal Region).
Westlake Compounds LLC stamps TRACE volume with a dominant OFFSITE pathway (100.0% off-site transfers) across 3 chemicals. Cumulative Form-R extract: 250 lbs (2019–2020). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Hexcel Corp and Makhteshim Agan of N.a. Inc DBA Adama Vernon Wareh.
Westlake Compounds LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
250 lbs 40th percentile higher than 40% 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
Westlake Compounds LLC in the Chemicals sector extract
Among the 3,917 Chemicals facilities in this database, Westlake Compounds LLC reports the 3,068th-largest volume (250 lbs). Scale peers outside Mississippi include Hexcel Corp and Makhteshim Agan of N.a. Inc DBA Adama Vernon Wareh.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Westlake Compounds LLC Form-R facts
Compare this facility
See how Westlake Compounds LLC stacks up against nearby facilities and the typical reporter.
55% less than the comparison
3.0× 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 Westlake Compounds LLC releases toxic chemicals into the environment. Total: 250 lbs.
Emissions Trend Summary
Westlake Compounds LLC: annual Form-R pounds
TRACE site · OFFSITE pathway · TRI years 2019–2020
- 2019 0
- 2020 0
What this shows Westlake Compounds LLC year-over-year reported totals. 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: Antimony And Antimony Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 0 lbs | 2 |
| 2020 | 250 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2020). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Antimony And Antimony Compounds | 250 lbs | - |
| Antimony compounds | 0 lbs | - |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 lbs | - |
Westlake Compounds LLC · OFFSITE-pathway site
Nearest TRI Facilities to Westlake Compounds LLC
Closest other reporters in Mississippi - including Dg Foods LLC, Sanderson Farms LLC, Hitachi Energy USA Inc., 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. Hexcel Corp, Makhteshim Agan of N.a. Inc DBA Adama Vernon Wareh, Ritepack Inc.
Other Westlake Corp Facilities
Same-parent TRI sites ranked by reported releases - including Westlake Longview Corp, Westlake US 2 LLC, Westlake Polymers LLC.
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 Antimony And Antimony Compounds, Antimony compounds, Chromium compounds (except for chromite ore mined in the Transvaal Region); nearby reporters include Dg Foods LLC. Westlake Compounds LLC stamps TRACE volume · OFFSITE pathway · CLEAN 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 Westlake Compounds LLC TRI extract (TRACE · OFFSITE · CLEAN · lead Antimony And Antimony Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Westlake Compounds LLC totals are self-reported EPCRA §313 estimates for Hazlehurst, MS, latest year 2020. Form-R rows span 2019–2020 (2 years). NAICS 325991 · Chemicals. 0.0% of Copiah TRI pounds in this extract. Nearest ABS peer: Advanced Mobility Shelter Technologies (Δ 0 lbs). Pounds ≠ exposure.
Westlake Compounds LLC stamps TRACE volume · OFFSITE pathway · CLEAN · lead Antimony And Antimony 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