Haynes International INC
Total reported releases 25k lb fell meaningfully year over year (-18%). Total releases concentrations have fallen 38% since 2015.
3786 2ND ST, Arcadia, Louisiana · 331491 · Primary Metals · operated by Haynes International INC
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
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have fallen 39% since 2015.
Hydrogen fluoride
Hydrogen fluoride concentrations have more than doubled since 2010.
Nitric acid
Nitric acid concentrations have fallen 36% since 2010.
Nickel And Nickel Compounds
Nickel And Nickel Compounds concentrations have more than doubled since 2010.
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) concentrations have more than halved since 2010.
Who Lives Next To This Facility
Within 3 miles of this facility (4 Census block groups, population-weighted demographics): a population of 3,497. 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.