Sodium nitrite
Sodium nitrite releases at US Tsubaki Automotive LLC rose from 33k lb to 50k lb between 2023 and 2024.
Total reported releases 56k lb rose sharply year over year (+45%). Total releases concentrations are up 14% since 2015.
106 LONCZAK DR, Chicopee, Massachusetts · 333613 · Machinery · operated by US Tsubaki INC
Sodium nitrite releases at US Tsubaki Automotive LLC rose from 33k lb to 50k lb between 2023 and 2024.
Sodium nitrite concentrations have more than doubled since 2015.
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than halved since 2015.
Manganese concentrations are roughly unchanged from 2016.
Chromium concentrations have more than doubled since 2015.
Lead concentrations are up 47% since 2016.
Copper concentrations are roughly unchanged from 2012.
Within 3 miles of this facility (40 Census block groups, population-weighted demographics): a population of 52,541. 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.