Hydrogen sulfide
Hydrogen sulfide releases at Exxonmobil Baton Rouge Chemical Plant (Part) rose from 8k lb to 26k lb (3.4×) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Exxonmobil Baton Rouge Chemical Plant (Part)
Total reported releases 1.7M lb rose modestly year over year (+14%). Total releases concentrations have fallen 46% since 2010.
4999 SCENIC HWY, Baton Rouge, Louisiana · 325199 · Chemicals · operated by Exxon Mobil CORP
Anomaly engine
Notable Signals
Naphthalene
Naphthalene releases at Exxonmobil Baton Rouge Chemical Plant (Part) rose from 34k lb to 67k lb between 2023 and 2024.
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) releases at Exxonmobil Baton Rouge Chemical Plant (Part) fell from 35k lb to 14k lb (60% lower) between 2023 and 2024.
Propylene
Propylene at Exxonmobil Baton Rouge Chemical Plant (Part) have more than three-quarters since 2010 (through 2024).
Showing the 4 most editorially weighted signals out of 5. Lower-severity signals fold into the chemical breakdown and history charts below.
Chemicals reported · most recent year
What This Facility Releases
n-Hexane
n-Hexane concentrations have fallen 33% since 2010.
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have fallen 15% since 2010.
Propylene
Propylene concentrations have more than halved since 2010.
Naphthalene
Naphthalene concentrations are up 58% since 2010.
Ethylene
Ethylene concentrations have fallen 11% since 2010.
Vanadium compounds
Vanadium compounds concentrations are roughly unchanged from 2010.
Toluene
Toluene concentrations are up 28% since 2010.
Ethylene glycol
Ethylene glycol 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 (56 Census block groups, population-weighted demographics): a population of 55,967. Why we surface this →
64.7%
Low-income
97.2%
People of color
6.9%
Under age 5
13.9%
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.