Trinseo Llc-Mi Operations
Total reported releases 14k lb held roughly steady year over year (+2%). Total releases concentrations have more than halved since 2010.
1604 BUILDING, Midland, Michigan · 325211 · Chemicals · operated by Trinseo US Holding 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
Styrene
Styrene concentrations have more than halved since 2010.
Ethylbenzene
Ethylbenzene concentrations have more than halved since 2010.
Acrylonitrile
Acrylonitrile concentrations have fallen 36% since 2010.
1,3-Butadiene
1,3-Butadiene concentrations have fallen 26% since 2010.
Butyl acrylate
Butyl acrylate concentrations have more than halved since 2010.
Methanol
Methanol concentrations have fallen 37% since 2010.
Methyl methacrylate
Methyl methacrylate concentrations have fallen 43% since 2010.
Ethyl acrylate
Ethyl acrylate concentrations have fallen 40% since 2010.
Who Lives Next To This Facility
Within 3 miles of this facility (29 Census block groups, population-weighted demographics): a population of 32,054. 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.