Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DUCOMMUN AEROSTRUCTURES INC.
3333 MAIN ST, PARSONS, KS, 67357
Parent company: DUCOMMUN INC
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Toluene | Tetrachloroethylene | Nitric acid | Hydrogen fluoride | Total (lbs) | |
| 2024 | 12,782 | — | 57 | — | 12,839 | |
| 2023 | 16,051 | — | 57 | — | 16,108 | |
| 2022 | 12,241 | — | 57 | — | 12,298 | |
| 2021 | — | — | 57 | — | 57 | |
| 2020 | 13,355 | — | 57 | — | 13,412 | |
| 2019 | 28,813 | — | 57 | — | 28,870 | |
| 2018 | 14,876 | 15,751 | 57 | — | 30,684 | |
| 2017 | — | 23,589 | 21 | — | 23,610 | |
| 2016 | — | 22,324 | 21 | — | 22,345 | |
| 2015 | — | — | 21 | — | 21 | |
| 2014 | — | — | 21 | — | 21 | |
| 2013 | — | — | 21 | — | 21 | |
| 2012 | — | — | 72 | 188 | 260 | |
| 2011 | — | — | 68 | 177 | 245 | |
| 2010 | — | — | 67 | 174 | 241 | |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.