Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) releases at Ducommun Aerostructures rose from 54k lb to 87k lb between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Ducommun Aerostructures
Total reported releases 87k lb rose sharply year over year (+62%). Total releases concentrations have fallen 29% since 2010.
4001 EL MIRAGE RD, El Mirage, California · 336413 · Transportation Equipment · operated by Ducommun INC
Anomaly engine
Notable Signals
Chemicals reported · most recent year
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 more than doubled since 2010.
Nitric acid
Nitric acid concentrations have more than halved since 2011.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
San Bernardino County County, CA (no Census block groups within 3 miles — falling back to containing county): a population of 2,180,563. Why we surface this →
13.8%
Low-income
74.1%
People of color
7.0%
Under age 5
11.9%
Over age 64
Source: Census ACS 2018-2022 (5-year), county-level fallback. 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.