EPA TRI Facility · Petroleum
Tesoro Refining & Marketing Co LLC
Martinez, CA · Parent: Martinez Renewables LLC
- Total releases
- 683.5K lbs
- Chemicals reported
- 36
- Carcinogens
- 10
- Primary pathway
- Air Releases
AIR Form-R mix
Tesoro Refining & Marketing Co LLC: how the 683.5K lbs splits
683.5K lbs across all reported pathways
- Air Releases 502.7K lbs 73.6%
- Off-site Transfers 136.5K lbs 20.0%
- Water Discharges 44.2K lbs 6.5%
- Land Disposal 0 lbs <0.1%
Tesoro Refining & Marketing Co LLC's 683.5K lbs Form-R total is AIR - air releases is 73.6% of the bar. Next segment: off-site transfers at 20.0%. Leading chemical by pounds: Ammonia.
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.
MID volume AIR pathway CARC-LEAN
Tesoro Refining & Marketing Co LLC is an EPA Toxics Release Inventory reporter in Martinez, CA, in the petroleum sector. It reported 93.9K lbs of releases across 24 chemicals in 2023, and 683.5K lbs in total across its 2019-2023 reporting years. That ranks 1,627 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 Refining & Marketing Co LLC is pounds #35 and chemical-count #9 at 683.5K 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Air Products & Chemicals Inc Martinez Solano Way; Air Products & Chemicals Inc (martinez-Waterfront Road); Mecs Inc.; Central Concrete Supply Co. Inc. - Martinez. Similar-scale Petroleum peers outside California: Western el Paso Refinery; Tesoro Refining & Marketing Company LLC - Slc; Middletown Coke Co; Hf Sinclair Puget Sound Refining LLC. Largest disclosed chemicals by pounds: Ammonia; Toluene; Xylene (mixed isomers); Propylene.
Tesoro Refining & Marketing Co LLC stamps MID volume with a dominant AIR pathway (73.6% air releases) across 36 chemicals · 10 carcinogen-classified. Cumulative Form-R extract: 683.5K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Western el Paso Refinery and Tesoro Refining & Marketing Company LLC - Slc.
Tesoro Refining & Marketing Co LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
683K lbs Top 6% higher than 94% 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 Refining & Marketing Co LLC in the Petroleum sector extract
Among the 902 Petroleum facilities in this database, Tesoro Refining & Marketing Co LLC reports the 97th-largest volume, placing it in the top 10.8% of its sector. Scale peers outside California include Western el Paso Refinery and Tesoro Refining & Marketing Company LLC - Slc.
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 Refining & Marketing Co LLC's total reported releases rose from 73.0 thousand lb in 2022 to 93.9 thousand lb in 2023, based on EPA TRI filings.
- Tesoro Refining & Marketing Co LLC's water releases rose from 2 lb in 2022 to 5.8 thousand lb in 2023, based on EPA TRI filings.
- Tesoro Refining & Marketing Co LLC's air releases rose from 20.6 thousand lb in 2022 to 58.1 thousand lb in 2023, based on EPA TRI filings.
- Tesoro Refining & Marketing Co LLC's chemicals reported rose from 16 in 2022 to 24 in 2023, based on EPA TRI filings.
Tesoro Refining & Marketing Co LLC Form-R facts
Compare this facility
See how Tesoro Refining & Marketing Co LLC stacks up against nearby facilities and the typical reporter.
80.1× more than the comparison
18.0× 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 Tesoro Refining & Marketing Co LLC releases toxic chemicals into the environment. Total: 683.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 70% (313.3K lbs to 93.9K lbs).
Tesoro Refining & Marketing Co LLC: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Tesoro Refining & Marketing Co LLC year-over-year reported totals (decreased by 70% 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: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 313.3K lbs | 29 |
| 2020 | 157.1K lbs | 24 |
| 2021 | 46.1K lbs | 16 |
| 2022 | 73.0K lbs | 16 |
| 2023 | 93.9K lbs | 24 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 10 of 36 chemicals are carcinogens. Sorted by total release volume.
Tesoro Refining & Marketing Co LLC · AIR-pathway site
Nearest TRI Facilities to Tesoro Refining & Marketing Co LLC
Closest other reporters in California - including Air Products & Chemicals Inc Martinez Solano Way, Air Products & Chemicals Inc (martinez-Waterfront Road), Mecs Inc., ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Petroleum Facilities
Other Petroleum facilities with similar total release volumes (±80%), outside California - e.g. Western el Paso Refinery, Tesoro Refining & Marketing Company LLC - Slc, Middletown Coke Co.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Tesoro Refining & Marketing Co LLC on cumulative reported pounds (683.5K lbs) and distinct chemical count (36). Release-pound peers include Kith Kitchens LLC, Commonwealth Rolled Products Inc, Patrick Industries Inc,dba Baymont Inc Belmont Facility. Chemical-count peers include Uss Gary Works, Evonik Corp Tippecanoe Laboratories, Phillips 66 Old Ocean Ngl Fractionation Plant. 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.
- Kith Kitchens LLC Haleyville, AL · Wood Products 684.6K lbs reported
- Commonwealth Rolled Products Inc Lewisport, KY · Primary Metals 684.9K lbs reported
- Patrick Industries Inc,dba Baymont Inc Belmont Facility Golden, MS · Plastics and Rubber 681.4K lbs reported
- Red Hills Gas Plant Jal, NM · Natural Gas Processing 685.5K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Uss Gary Works Gary, IN · Primary Metals 36 chemicals
- Evonik Corp Tippecanoe Laboratories Lafayette, IN · Chemicals 36 chemicals
- Phillips 66 Old Ocean Ngl Fractionation Plant Old Ocean, TX · Natural Gas Processing 36 chemicals
- Ascend Performance Materials-Chocolate Bayou Plant Alvin, TX · Chemicals 36 chemicals
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 Ammonia, Toluene, Xylene (mixed isomers), Propylene; nearby reporters include Air Products & Chemicals Inc Martinez Solano Way. Tesoro Refining & Marketing Co LLC stamps MID 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 Refining & Marketing Co LLC TRI extract (MID · AIR · CARC-LEAN · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Tesoro Refining & Marketing Co LLC totals are self-reported EPCRA §313 estimates for Martinez, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 324110 · Petroleum. 4.3% of Contra Costa TRI pounds in this extract. Nearest ABS peer: U.S. Marine Corps Twentynine Palms Air Ground Combat Center (Δ 408 lbs). Pounds ≠ exposure.
Tesoro Refining & Marketing Co LLC stamps MID volume · AIR pathway · CARC-LEAN · lead Ammonia. 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