TRI facility · TRI 2024 reporting year

Air Liquide Large Industries US LP - Rodeo Hydrogen Plant

Total reported releases 246k lb rose by an order of magnitude year over year (+1540%). Total releases concentrations have more than doubled since 2016.

1391 SAN PABLO AVENUE, Rodeo, California · 325120 · Chemicals · operated by American Air Liquide Holdings INC

TOTAL RELEASES · 20162024
Bar chart of annual values from 2016 to 2024, in lb. Most recent year (2024): 246k.246k'16'18'20'22'24246k
Anomaly engine

Notable Signals

No notable signals at this facility for the current reporting year. See chemicals and equity context below for the full picture.

Chemicals reported · most recent year

What This Facility Releases

GENERALCAS N982

Zinc compounds

200k lb · YoY

Zinc compounds volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.

GENERALCAS 7664-41-7

Ammonia

24k lb · +60% YoY

Ammonia concentrations have more than doubled since 2010.

RESPIRATORYCAS N090

Chromium compounds (except for chromite ore mined in the Transvaal Region)

22k lb · YoY

Chromium compounds (except for chromite ore mined in the Transvaal Region) concentrations are up 16% since 2016.

RESPIRATORYCAS 110-54-3

n-Hexane

80 lb · YoY

n-Hexane volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.

RESPIRATORYCAS 67-56-1

Methanol

44 lb · +1000% YoY

Methanol concentrations have more than halved since 2010.

CARCINOGENCAS N495

Nickel compounds

5 lb · YoY

Nickel compounds concentrations have more than halved since 2016.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (24 Census block groups, population-weighted demographics): a population of 33,934. Why we surface this →

POPULATION SHARE
21.9%

Low-income

POPULATION SHARE
77.4%

People of color

POPULATION SHARE
4.3%

Under age 5

POPULATION SHARE
16.3%

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.