Versum Materials US LLC
Total reported releases 86k lb fell modestly year over year (-11%). Total releases concentrations have fallen 36% since 2010.
357 MARIAN AVE, Tamaqua, Pennsylvania · 325120 · Chemicals · operated by Emd Holding CORP
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
Hydrogen fluoride
Hydrogen fluoride concentrations have fallen 33% since 2010.
Zinc compounds
Zinc compounds volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Ammonia
Ammonia concentrations have more than doubled since 2010.
Copper
Copper concentrations are up 88% since 2012.
Arsenic And Arsenic Compounds
Arsenic And Arsenic Compounds volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
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 2010.
Fluorine
Fluorine concentrations have fallen 14% since 2010.
Chlorine
Chlorine volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Who Lives Next To This Facility
Within 3 miles of this facility (2 Census block groups, population-weighted demographics): a population of 2,437. 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.