EPA TRI Facility · Petroleum Bulk Terminals
Tesoro - San Diego Terminal
San Diego, CA · Parent: Marathon Petroleum Corp
- Total releases
- 4.5K lbs
- Chemicals reported
- 10
- Carcinogens
- 3
- Primary pathway
- Air Releases
AIR Form-R mix
Tesoro - San Diego Terminal: how the 4.5K lbs splits
4.5K lbs across all reported pathways
- Air Releases 4.5K lbs 99.9%
- Off-site Transfers 6 lbs 0.1%
Tesoro - San Diego Terminal's 4.5K lbs Form-R total is AIR - air releases is 99.9% of the bar. Next segment: off-site transfers at 0.1%. Leading chemical by pounds: Toluene.
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.
LIGHT volume AIR pathway CARC-LEAN
Tesoro - San Diego Terminal is an EPA Toxics Release Inventory reporter in San Diego, CA, in the petroleum bulk terminals sector. It reported 794 lbs of releases across 9 chemicals in 2023, and 4.5K lbs in total across its 2019-2023 reporting years. That ranks 11,371 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. Tesoro - San Diego Terminal is pounds #512 and chemical-count #81 at 4.5K lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Chevron San Diego Terminal; Bae Systems San Diego Ship Repair; New Leaf Biofuel; Cp Kelco. Similar-scale Petroleum Bulk Terminals peers outside California: Crowley Palmer Facility; Senergy Petroleum LLC - Albuquerque Bulk Plant; Mplx Terminals LLC - Marietta Oh Terminal; Aloha Petroleum Llc-Hilo West Terminal. Other Marathon Petroleum Corp sites in this extract: Blanchard Refining Co LLC; Marathon Petroleum Co LP; Marathon Mandan Refinery; Catlettsburg Refining LLC. Largest disclosed chemicals by pounds: Toluene; n-Hexane; Xylene (mixed isomers); Cyclohexane.
Compare Tesoro - San Diego Terminal with
Nearest reporters in California
- Chevron San Diego Terminal San Diego · 857 lbs
- Bae Systems San Diego Ship Repair San Diego · 397.8K lbs
- New Leaf Biofuel San Diego · 472 lbs
- Cp Kelco San Diego · 1.9K lbs
Similar-scale Petroleum Bulk Terminals sites elsewhere: Crowley Palmer Facility (AK) · Senergy Petroleum LLC - Albuquerque Bulk Plant (NM) · Mplx Terminals LLC - Marietta Oh Terminal (OH)
Tesoro - San Diego Terminal stamps LIGHT volume with a dominant AIR pathway (99.9% air releases) across 10 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 4.5K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Crowley Palmer Facility and Senergy Petroleum LLC - Albuquerque Bulk Plant.
Tesoro - San Diego Terminal vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
4.5K lbs Top 44% higher than 56% 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
Tesoro - San Diego Terminal in the Petroleum Bulk Terminals sector extract
Among the 695 Petroleum Bulk Terminals facilities in this database, Tesoro - San Diego Terminal reports the 282nd-largest volume (4.5K lbs). Scale peers outside California include Crowley Palmer Facility and Senergy Petroleum LLC - Albuquerque Bulk Plant.
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
- Tesoro - San Diego Terminal's total reported releases fell from 895 lb in 2022 to 794 lb in 2023, based on EPA TRI filings.
- Tesoro - San Diego Terminal's air releases fell from 895 lb in 2022 to 794 lb in 2023, based on EPA TRI filings.
Tesoro - San Diego Terminal Form-R facts
Compare this facility
See how Tesoro - San Diego Terminal stacks up against nearby facilities and the typical reporter.
5.3× more than the comparison
About the same as 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 Tesoro - San Diego Terminal releases toxic chemicals into the environment. Total: 4.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 15% (931 lbs to 794 lbs).
Tesoro - San Diego Terminal: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Tesoro - San Diego Terminal year-over-year reported totals (decreased by 15% 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: Toluene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 931 lbs | 9 |
| 2020 | 988 lbs | 9 |
| 2021 | 930 lbs | 9 |
| 2022 | 895 lbs | 9 |
| 2023 | 794 lbs | 9 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 3 of 10 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Toluene | 1.4K lbs | - |
| n-Hexane | 1.1K lbs | - |
| Xylene (mixed isomers) | 804 lbs | - |
| Cyclohexane | 485 lbs | - |
| Benzene | 430 lbs | Carcinogen |
| Ethylbenzene | 169 lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 153 lbs | - |
| Naphthalene | 11 lbs | Carcinogen |
| Lead compounds | 2 lbs | - |
| Lead And Lead Compounds | 1 lbs | - |
Tesoro - San Diego Terminal · AIR-pathway site
Nearest TRI Facilities to Tesoro - San Diego Terminal
Closest other reporters in California - including Chevron San Diego Terminal, Bae Systems San Diego Ship Repair, New Leaf Biofuel, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Petroleum Bulk Terminals Facilities
Other Petroleum Bulk Terminals facilities with similar total release volumes (±80%), outside California - e.g. Crowley Palmer Facility, Senergy Petroleum LLC - Albuquerque Bulk Plant, Mplx Terminals LLC - Marietta Oh Terminal.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Tesoro - San Diego Terminal on cumulative reported pounds (4.5K lbs) and distinct chemical count (10). Release-pound peers include Benjamin Moore & Co-Dallas, Aurora Organic Dairy Corp, Royal Oak Enterprises-Snow. Chemical-count peers include Harris Paints Corp., Saint Thomas Bulk Terminal, Total Guaynabo Bulk Terminal. 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 Marathon Petroleum Corp Facilities
Same-parent TRI sites ranked by reported releases - including Blanchard Refining Co LLC, Marathon Petroleum Co LP, Marathon Mandan Refinery.
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 Toluene, n-Hexane, Xylene (mixed isomers), Cyclohexane; nearby reporters include Chevron San Diego Terminal. Tesoro - San Diego Terminal stamps LIGHT 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 Tesoro - San Diego Terminal TRI extract (LIGHT · AIR · CARC-LEAN · lead Toluene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Tesoro - San Diego Terminal totals are self-reported EPCRA §313 estimates for San Diego, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 424710 · Petroleum Bulk Terminals. 0.1% of San Diego TRI pounds in this extract. Nearest ABS peer: Benjamin Moore & Co-Dallas (Δ 1 lbs). Pounds ≠ exposure.
Tesoro - San Diego Terminal stamps LIGHT volume · AIR pathway · CARC-LEAN · lead Toluene. 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