Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GKN AEROSPACE CHEM-TRONICS INC THERMAL JOINING CENTER
20231 72ND AVE S, KENT, WA, 980322334
Parent company: GKN AEROSPACE INC
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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Nitric acid | Hydrogen fluoride | Total (lbs) | ||
| 2011 | — | 10 | 10 | 20 | ||
| 2010 | — | 53 | 10 | 63 | ||
| 2009 | — | 53 | 10 | 63 | ||
| 2008 | 3,145 | 42 | 10 | 3,197 | ||
| 2006 | — | 41 | — | 41 | ||
▎ 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.