Keymark Corp
Total reported releases 24k lb held roughly steady year over year (+3%). Total releases concentrations have more than halved since 2010.
1188 CAYADUTTA ST RT 334, Fonda, New York · 331318 · Primary Metals · operated by Keymark 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
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations are roughly unchanged from 2010.
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than halved since 2010.
Chromium compounds (except for chromite ore mined in the Transvaal Region)
Chromium compounds (except for chromite ore mined in the Transvaal Region) concentrations are up 16% since 2011.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have more than halved since 2010.
Toluene
Toluene concentrations have fallen 42% since 2010.
Certain glycol ethers
Certain glycol ethers concentrations have more than halved since 2010.
Dimethyl phthalate
Dimethyl phthalate concentrations have fallen 14% since 2010.
n-Butyl alcohol
n-Butyl alcohol concentrations have more than halved since 2010.
Who Lives Next To This Facility
Within 3 miles of this facility (5 Census block groups, population-weighted demographics): a population of 4,601. 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.