Plaquemine Methocel
Total reported releases 13k lb held roughly steady year over year (+1%). Total releases concentrations have more than halved since 2018.
21255 LA HIGHWAY 1 - BLOCK 45 BUILDING 4501, Plaquemine, Louisiana · 325199 · Chemicals · operated by International Flavors & Fragrances INC
Notable Signals
No notable signals at this facility for the current reporting year. See chemicals and equity context below for the full picture.
What This Facility Releases
Methanol
Methanol concentrations have fallen 28% since 2018.
Chloromethane
Chloromethane concentrations have fallen 32% since 2018.
Propylene oxide
Propylene oxide concentrations are roughly unchanged from 2018.
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 more than halved since 2018.
Mercury
Mercury concentrations have more than doubled since 2018.
Lead
Lead concentrations have fallen 32% since 2018.
Who Lives Next To This Facility
Within 3 miles of this facility (7 Census block groups, population-weighted demographics): a population of 8,916. Why we surface this →
Low-income
People of color
Under age 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.