Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) at Chalmette Refining LLC have more than three-quarters since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Chalmette Refining LLC
Total reported releases 426k lb fell modestly year over year (-11%). Total releases concentrations have fallen 50% since 2010.
500 W ST BERNARD HWY, Chalmette, Louisiana · 324110 · Petroleum · operated by Pbf Energy INC
Anomaly engine
Notable Signals
Xylene (mixed isomers)
Xylene (mixed isomers) at Chalmette Refining LLC have more than halved since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Hydrogen cyanide
Hydrogen cyanide concentrations have fallen 16% since 2011.
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than halved since 2010.
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have fallen 49% since 2010.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have more than halved since 2010.
n-Hexane
n-Hexane concentrations have fallen 34% since 2010.
Toluene
Toluene concentrations have fallen 20% since 2010.
Ammonia
Ammonia concentrations have fallen 41% since 2010.
Benzene
Benzene concentrations have fallen 30% since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (52 Census block groups, population-weighted demographics): a population of 52,325. Why we surface this →
39.8%
Low-income
58.8%
People of color
5.4%
Under age 5
14.8%
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.