EPA TRI Facility · Chemicals
Motiva - Port Arthur Chemicals
Port Arthur, TX · Parent: Aramco Services Co
- Total releases
- 1.3M lbs
- Chemicals reported
- 23
- Carcinogens
- 8
- Primary pathway
- Air Releases
AIR Form-R mix
Motiva - Port Arthur Chemicals: how the 1.3M lbs splits
1.3M lbs across all reported pathways
- Air Releases 1.3M lbs 99.8%
- Off-site Transfers 2.6K lbs 0.2%
Motiva - Port Arthur Chemicals's 1.3M lbs Form-R total is AIR - air releases is 99.8% of the bar. Next segment: off-site transfers at 0.2%. Leading chemical by pounds: Ethylene.
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 AIR pathway CARC-LEAN
Motiva - Port Arthur Chemicals is an EPA Toxics Release Inventory reporter in Port Arthur, TX, in the chemicals sector. It reported 175.6K lbs of releases across 22 chemicals in 2023, and 1.3M lbs in total across its 2019-2023 reporting years. That ranks 1,095 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Texas's 2,016 reporting TRI sites, pounds #1 is not chemical-count #1. Motiva - Port Arthur Chemicals is pounds #119 and chemical-count #76 at 1.3M lbs. Ascend Performance Materials-Chocolate Bayou Plant leads reported pounds (94.0M lbs) at 36 chemicals (chemical-count #35). Veolia Es Technical Solutions LLC Port Arthur Facility leads chemical count at 246 chemicals (1.5M lbs, pounds #112). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Afton Chemical Additives Corp; Motiva-Port Arthur Refinery; Linde Port Arthur Hydrogen Facility 497; Premcor Refining Group Inc Port Arthur. Similar-scale Chemicals peers outside Texas: Afton Chemical Corp; Evonik Corp Tippecanoe Laboratories; Teijin Automotive Technologies - Van Wert; Clariant Corp Crittenden Drive Facility. Other Aramco Services Co sites in this extract: Motiva-Port Arthur Refinery; Motiva-Port Arthur Terminal; Motiva Port Neches Terminal. Largest disclosed chemicals by pounds: Ethylene; Propylene; Benzene; Cyclohexane.
Compare Motiva - Port Arthur Chemicals with
Nearest reporters in Texas
- Afton Chemical Additives Corp Port Arthur · 3.3K lbs
- Motiva-Port Arthur Refinery Port Arthur · 2.5M lbs
- Linde Port Arthur Hydrogen Facility 497 Port Arthur · 173.9K lbs
- Premcor Refining Group Inc Port Arthur Port Arthur · 3.7M lbs
Similar-scale Chemicals sites elsewhere: Afton Chemical Corp (IL) · Evonik Corp Tippecanoe Laboratories (IN) · Teijin Automotive Technologies - Van Wert (OH)
Motiva - Port Arthur Chemicals stamps HEAVY volume with a dominant AIR pathway (99.8% air releases) across 23 chemicals · 8 carcinogen-classified. Cumulative Form-R extract: 1.3M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Afton Chemical Corp and Evonik Corp Tippecanoe Laboratories.
Motiva - Port Arthur Chemicals vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.3M lbs Top 4% higher than 96% 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
Motiva - Port Arthur Chemicals in the Chemicals sector extract
Among the 3,917 Chemicals facilities in this database, Motiva - Port Arthur Chemicals reports the 222nd-largest volume, placing it in the top 5.7% of its sector. Scale peers outside Texas include Afton Chemical Corp and Evonik Corp Tippecanoe Laboratories.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Motiva - Port Arthur Chemicals's total reported releases fell from 357.3 thousand lb in 2022 to 175.6 thousand lb in 2023, based on EPA TRI filings.
- Motiva - Port Arthur Chemicals's off-site transfers rose from 96 lb in 2022 to 2.5 thousand lb in 2023, based on EPA TRI filings.
- Motiva - Port Arthur Chemicals's air releases fell from 357.2 thousand lb in 2022 to 173.1 thousand lb in 2023, based on EPA TRI filings.
- Motiva - Port Arthur Chemicals's chemicals reported rose from 21 in 2022 to 22 in 2023, based on EPA TRI filings.
Motiva - Port Arthur Chemicals Form-R facts
Compare this facility
See how Motiva - Port Arthur Chemicals stacks up against nearby facilities and the typical reporter.
397.7× more than the comparison
23.0× 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 Motiva - Port Arthur Chemicals releases toxic chemicals into the environment. Total: 1.3M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 23% (228.9K lbs to 175.6K lbs).
Motiva - Port Arthur Chemicals: annual Form-R pounds
HEAVY site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Motiva - Port Arthur Chemicals year-over-year reported totals (decreased by 23% 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: Ethylene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 228.9K lbs | 18 |
| 2020 | 265.0K lbs | 19 |
| 2021 | 303.5K lbs | 19 |
| 2022 | 357.3K lbs | 21 |
| 2023 | 175.6K lbs | 22 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 8 of 23 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ethylene | 649.7K lbs | - |
| Propylene | 365.9K lbs | - |
| Benzene | 117.4K lbs | Carcinogen |
| Cyclohexane | 58.0K lbs | - |
| Toluene | 51.7K lbs | - |
| n-Hexane | 34.9K lbs | - |
| 1,3-Butadiene | 21.1K lbs | Carcinogen |
| Ammonia | 13.7K lbs | - |
| Xylene (mixed isomers) | 8.6K lbs | - |
| Ethylbenzene | 4.8K lbs | Carcinogen |
| Methanol | 3.6K lbs | - |
| Naphthalene | 518 lbs | Carcinogen |
| Styrene | 131 lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 122 lbs | - |
| Nickel | 82 lbs | Carcinogen |
| Hydrogen sulfide | 50 lbs | - |
| Isoprene | 50 lbs | Carcinogen |
| Polycyclic aromatic compounds | 11 lbs | Carcinogen |
| Mercury | 0 lbs | - |
| Zinc compounds | 0 lbs | - |
| Copper compounds | 0 lbs | - |
| Biphenyl | 0 lbs | - |
| Copper And Copper Compounds | 0 lbs | - |
Motiva - Port Arthur Chemicals · AIR-pathway site
Nearest TRI Facilities to Motiva - Port Arthur Chemicals
Closest other reporters in Texas - including Afton Chemical Additives Corp, Motiva-Port Arthur Refinery, Linde Port Arthur Hydrogen Facility 497, ordered by distance.
Showing 8 of 2,015 other reporting facilities in Texas.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Texas - e.g. Afton Chemical Corp, Evonik Corp Tippecanoe Laboratories, Teijin Automotive Technologies - Van Wert.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Motiva - Port Arthur Chemicals on cumulative reported pounds (1.3M lbs) and distinct chemical count (23). Release-pound peers include Pcc Structurals Lpc Titanium Business Ops, Saputo Cheese USA Inc, Real Alloy Recycling LLC. Chemical-count peers include Woodland Pulp LLC, Brenntag Northeast LLC, Aes Warrior Run 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Aramco Services Co Facilities
Same-parent TRI sites ranked by reported releases - including Motiva-Port Arthur Refinery, Motiva-Port Arthur Terminal, Motiva Port Neches Terminal.
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 Ethylene, Propylene, Benzene, Cyclohexane; nearby reporters include Afton Chemical Additives Corp. Motiva - Port Arthur Chemicals stamps HEAVY volume · AIR pathway · CARC-LEAN 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 Motiva - Port Arthur Chemicals TRI extract (HEAVY · AIR · CARC-LEAN · lead Ethylene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Motiva - Port Arthur Chemicals totals are self-reported EPCRA §313 estimates for Port Arthur, TX, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325110 · Chemicals. 1.9% of Jefferson TRI pounds in this extract. Nearest ABS peer: Pcc Structurals Lpc Titanium Business Ops (Δ 2.1K lbs). Pounds ≠ exposure.
Motiva - Port Arthur Chemicals stamps HEAVY volume · AIR pathway · CARC-LEAN · lead Ethylene. 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