TRI facility · TRI 2024 reporting year

Mt. Airy Terminal LLC

Total reported releases 9k lb fell sharply year over year (-40%). Total releases concentrations have more than doubled since 2018.

4006 HIGHWAY 44, Mount Airy, Louisiana · 424710 · Petroleum Bulk Terminals · operated by Marathon Petroleum CORP

TOTAL RELEASES · 20182024
Bar chart of annual values from 2018 to 2024, in lb. Most recent year (2024): 9k.22k'18'19'20'21'22'23'249k
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

RESPIRATORYCAS 1330-20-7

Xylene (mixed isomers)

2k lb · -44% YoY

Xylene (mixed isomers) concentrations are roughly unchanged from 2018.

RESPIRATORYCAS 108-88-3

Toluene

2k lb · -35% YoY

Toluene concentrations have more than doubled since 2018.

RESPIRATORYCAS 110-54-3

n-Hexane

2k lb · -28% YoY

n-Hexane concentrations have more than doubled since 2018.

CARCINOGENCAS 71-43-2

Benzene

932 lb · -26% YoY

Benzene concentrations have more than doubled since 2019.

GENERALCAS 110-82-7

Cyclohexane

491 lb · -34% YoY

Cyclohexane concentrations have more than doubled since 2019.

PBTCAS N420

Lead compounds

445 lb · -76% YoY

Lead compounds concentrations have more than halved since 2019.

CARCINOGENCAS 91-20-3

Naphthalene

388 lb · +45% YoY

Naphthalene concentrations have more than doubled since 2018.

CARCINOGENCAS 100-41-4

Ethylbenzene

320 lb · -52% YoY

Ethylbenzene concentrations have more than halved since 2018.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (4 Census block groups, population-weighted demographics): a population of 5,686. Why we surface this →

POPULATION SHARE
31.0%

Low-income

POPULATION SHARE
57.0%

People of color

POPULATION SHARE
4.4%

Under age 5

POPULATION SHARE
17.5%

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.