N040
N040 releases at Afton Chemical Corp fell from 20k lb to 0 lb (100% lower) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Afton Chemical Corp
Total reported releases 223k lb held roughly steady year over year (-4%). Total releases concentrations have fallen 22% since 2010.
501 MONSANTO AVE, Sauget, Illinois · 325998 · Chemicals · operated by Newmarket CORP
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Zinc compounds
Zinc compounds concentrations have fallen 36% since 2010.
Methanol
Methanol concentrations are up 89% since 2010.
n-Hexane
n-Hexane concentrations are up 45% since 2010.
Ammonia
Ammonia concentrations are roughly unchanged from 2010.
Benzene
Benzene concentrations have more than doubled since 2010.
n-Butyl alcohol
n-Butyl alcohol concentrations have more than doubled since 2014.
Ethylene glycol
Ethylene glycol concentrations have fallen 14% since 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 fallen 17% since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (22 Census block groups, population-weighted demographics): a population of 17,148. Why we surface this →
57.7%
Low-income
85.8%
People of color
6.9%
Under age 5
17.4%
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.