EPA TRI Facility · Plastics and Rubber
Westlake Dimex
Marietta, OH · Parent: Westlake Corp
- Total releases
- 1.7K lbs
- Chemicals reported
- 1
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Westlake Dimex: how the 1.7K lbs splits
1.7K lbs across all reported pathways
- Off-site Transfers 1.7K lbs 100.0%
Westlake Dimex's 1.7K 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: Di(2-ethylhexyl) phthalate.
LIGHT volume OFFSITE pathway CARC-HEAVY
Westlake Dimex is an EPA Toxics Release Inventory reporter in Marietta, OH, in the plastics and rubber sector. It reported 1.1K lbs of releases across 1 chemical in 2023, and 1.7K lbs in total across its 2022-2023 reporting years. That ranks 13,080 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Ohio's 1,299 reporting TRI sites, pounds #1 is not chemical-count #1. Westlake Dimex is pounds #872 and chemical-count #1122 at 1.7K lbs. Ineos Nitriles USA LLC leads reported pounds (42.4M lbs) at 31 chemicals (chemical-count #10). Heritage Thermal Services leads chemical count at 217 chemicals (431.4K lbs, pounds #116). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Vanguard Paints & Finishes Inc; Eramet Marietta Inc; Mplx Terminals LLC - Marietta Oh Terminal; Americas Styrenics LLC - Marietta. Similar-scale Plastics and Rubber peers outside Ohio: Cooper Power Systems LLC; Firestone Industrial Products; Freudenberg-Nok Shelbyville Plant; Fiberbasin Inc. 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: Di(2-ethylhexyl) phthalate.
Westlake Dimex stamps LIGHT volume with a dominant OFFSITE pathway (100.0% off-site transfers) across 1 chemical · 1 carcinogen-classified. Cumulative Form-R extract: 1.7K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Cooper Power Systems LLC and Firestone Industrial Products.
Westlake Dimex vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.7K lbs Top 50% higher than 50% 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 Dimex: Di(2-ethylhexyl) phthalate-led volume
Among the 1,504 Plastics and Rubber facilities in this database, Westlake Dimex reports the 997th-largest volume (1.7K lbs). Its reported volume is concentrated rather than spread: Di(2-ethylhexyl) phthalate alone is 100% of the total. Carcinogen-classified chemicals make up 100% of the reported pounds, not just of the chemical count. Scale peers outside Ohio include Cooper Power Systems LLC and Firestone Industrial Products.
Concentrated means ≥60% of Westlake Dimex's pounds in one chemical - here Di(2-ethylhexyl) phthalate at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Westlake Dimex's total reported releases rose from 589 lb in 2022 to 1.1 thousand lb in 2023, based on EPA TRI filings.
- Westlake Dimex's off-site transfers rose from 589 lb in 2022 to 1.1 thousand lb in 2023, based on EPA TRI filings.
Westlake Dimex Form-R facts
Compare this facility
See how Westlake Dimex stacks up against nearby facilities and the typical reporter.
94% less than the comparison
75% 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 Westlake Dimex releases toxic chemicals into the environment. Total: 1.7K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases increased by 85% (589 lbs to 1.1K lbs).
Westlake Dimex: annual Form-R pounds
LIGHT site · OFFSITE pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Westlake Dimex year-over-year reported totals (increased by 85% from 2022 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: Di(2-ethylhexyl) phthalate.
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 589 lbs | 1 |
| 2023 | 1.1K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 1 of 1 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Di(2-ethylhexyl) phthalate | 1.7K lbs | Carcinogen |
Westlake Dimex · OFFSITE-pathway site
Nearest TRI Facilities to Westlake Dimex
Closest other reporters in Ohio - including Vanguard Paints & Finishes Inc, Eramet Marietta Inc, Mplx Terminals LLC - Marietta Oh Terminal, ordered by distance.
Showing 8 of 1,298 other reporting facilities in Ohio.
Similar Plastics and Rubber Facilities
Other Plastics and Rubber facilities with similar total release volumes (±80%), outside Ohio - e.g. Cooper Power Systems LLC, Firestone Industrial Products, Freudenberg-Nok Shelbyville Plant.
Compare beyond Ohio
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Westlake Dimex on cumulative reported pounds (1.7K lbs) and distinct chemical count (1). Release-pound peers include Moveero Estherville, Simmons Decatur Processing South, Federal Correctional Institution. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
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 Di(2-ethylhexyl) phthalate; nearby reporters include Vanguard Paints & Finishes Inc. Westlake Dimex stamps LIGHT volume · OFFSITE 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 Westlake Dimex TRI extract (LIGHT · OFFSITE · CARC-HEAVY · lead Di(2-ethylhexyl) phthalate) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Westlake Dimex totals are self-reported EPCRA §313 estimates for Marietta, OH, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 326199 · Plastics and Rubber. 0.0% of Washington TRI pounds in this extract. Nearest ABS peer: Moveero Estherville (Δ 1 lbs). Pounds ≠ exposure.
Westlake Dimex stamps LIGHT volume · OFFSITE pathway · CARC-HEAVY · lead Di(2-ethylhexyl) phthalate. 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