Chemline INC
Total reported releases 46k lb fell meaningfully year over year (-15%). Total releases concentrations have more than doubled since 2015.
5151 NATURAL BRIDGE AVE, Saint Louis, Missouri · 325211 · Chemicals
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
Diisocyanates
Diisocyanates concentrations have more than doubled since 2015.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have more than doubled since 2010.
Diisononyl Phthalates (DINP)
Diisononyl Phthalates (DINP) volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Ethylene glycol
Ethylene glycol concentrations have more than doubled since 2014.
Toluene diisocyanate (mixed isomers)
Toluene diisocyanate (mixed isomers) concentrations are up 26% since 2022.
Ethylbenzene
Ethylbenzene concentrations have more than doubled since 2015.
4,4'-Methylenebis(2-chloroaniline)
4,4'-Methylenebis(2-chloroaniline) concentrations have more than doubled since 2023.
Mercury compounds
Mercury compounds concentrations have more than doubled since 2020.
Who Lives Next To This Facility
Within 3 miles of this facility (136 Census block groups, population-weighted demographics): a population of 115,332. 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.