Total reported releases
Total reported releases at Buzzi Unicem Usa-Cape Girardeau have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Buzzi Unicem Usa-Cape Girardeau
Total reported releases 402k lb rose sharply year over year (+58%). Total releases concentrations have more than doubled since 2010.
2524 S SPRIGG ST, Cape Girardeau, Missouri · 327310 · Nonmetallic Mineral Product · operated by Rc Lonestar INC
Anomaly engine
Notable Signals
Xylene (mixed isomers)
Xylene (mixed isomers) releases at Buzzi Unicem Usa-Cape Girardeau rose from 5k lb to 45k lb (8.2×) between 2023 and 2024.
Toluene
Toluene releases at Buzzi Unicem Usa-Cape Girardeau rose from 5k lb to 32k lb (5.9×) between 2023 and 2024.
Methanol
Methanol releases at Buzzi Unicem Usa-Cape Girardeau rose from 7k lb to 41k lb (5.8×) between 2023 and 2024.
Chemicals reported · most recent year
What This Facility Releases
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 are up 45% since 2010.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have more than doubled since 2014.
Methanol
Methanol concentrations are up 48% since 2017.
Ammonia
Ammonia concentrations are up 28% since 2011.
Toluene
Toluene concentrations have more than doubled since 2010.
Manganese And Manganese Compounds
Manganese And Manganese Compounds concentrations have more than doubled since 2012.
Acetonitrile
Acetonitrile concentrations have more than doubled since 2020.
Certain glycol ethers
Certain glycol ethers concentrations have more than doubled since 2022.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (16 Census block groups, population-weighted demographics): a population of 19,182. Why we surface this →
56.3%
Low-income
30.9%
People of color
4.6%
Under age 5
15.6%
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.