TRI facility · TRI 2024 reporting year

Solvay USA LLC

Total reported releases 19k lb rose modestly year over year (+5%). Total releases concentrations have more than halved since 2010.

1275 AIRLINE HWY, Baton Rouge, Louisiana · 325199 · Chemicals · operated by Syensqo Holding INC

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 19k.83k'10'12'14'16'18'20'22'2419k
Anomaly engine

Notable Signals

LONG-ARC IMPROVEMENT · LONG-ARC SHIFT

Total reported releases

Total reported releases at Solvay USA LLC have more than three-quarters since 2010 (through 2024).

Chemicals reported · most recent year

What This Facility Releases

CARCINOGENCAS 108-10-1

Methyl isobutyl ketone

12k lb · -3% YoY

Methyl isobutyl ketone concentrations are roughly unchanged from 2010.

RESPIRATORYCAS 108-95-2

Phenol

3k lb · +1035% YoY

Phenol concentrations have more than doubled since 2010.

RESPIRATORYCAS 67-56-1

Methanol

3k lb · -23% YoY

Methanol concentrations have more than halved since 2010.

CARCINOGENCAS 120-80-9

Catechol

950 lb · -33% YoY

Catechol concentrations have fallen 30% since 2010.

RESPIRATORYCAS 123-31-9

Hydroquinone

479 lb · -43% YoY

Hydroquinone concentrations have more than halved since 2010.

RESPIRATORYCAS 74-87-3

Chloromethane

136 lb · +11% YoY

Chloromethane concentrations are roughly unchanged from 2010.

RESPIRATORYCAS 75-00-3

Chloroethane

82 lb · -30% YoY

Chloroethane concentrations have fallen 14% since 2010.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (31 Census block groups, population-weighted demographics): a population of 32,250. Why we surface this →

POPULATION SHARE
59.9%

Low-income

POPULATION SHARE
94.6%

People of color

POPULATION SHARE
5.5%

Under age 5

POPULATION SHARE
11.3%

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.