Ammonia
Ammonia at Tesoro Refining & Marketing CO LLC have more than three-quarters since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Tesoro Refining & Marketing CO LLC
Total reported releases 111k lb rose meaningfully year over year (+18%). Total releases concentrations have more than halved since 2010.
150 SOLANO WAY, Martinez, California · 325199 · Chemicals · operated by Martinez Renewables LLC
Anomaly engine
Notable Signals
Total reported releases
Total reported releases at Tesoro Refining & Marketing CO LLC have more than three-quarters since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
n-Hexane
n-Hexane concentrations have more than doubled since 2010.
Ammonia
Ammonia concentrations have more than halved since 2010.
Zinc compounds
Zinc compounds concentrations have fallen 50% since 2013.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations are up 29% since 2010.
Toluene
Toluene concentrations are roughly unchanged from 2010.
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have fallen 49% since 2010.
1,2,4-Trimethylbenzene
1,2,4-Trimethylbenzene concentrations are up 56% since 2010.
Naphthalene
Naphthalene concentrations have more than doubled since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (17 Census block groups, population-weighted demographics): a population of 27,965. Why we surface this →
12.1%
Low-income
47.0%
People of color
9.8%
Under age 5
12.9%
Over age 64
Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.
Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.
What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.