Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
528 W 21ST ST, TEMPE, AZ, 85282
Parent company: TRANSDIGM INC
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Nickel compounds | Cadmium compounds | Lead | Nickel | Total (lbs) | |
| 2024 | — | — | — | 2 | 2 | |
| 2023 | — | — | — | 2 | 2 | |
| 2022 | — | — | — | 2 | 2 | |
| 2018 | — | — | — | 2 | 2 | |
| 2017 | — | — | — | 2 | 2 | |
| 2016 | — | — | — | 2 | 2 | |
| 2014 | — | — | — | 2 | 2 | |
| 2011 | — | — | 2 | 10 | 12 | |
| 2010 | — | — | 2 | 2 | 4 | |
| 2009 | — | — | 2 | 2 | 4 | |
| 2008 | 249 | — | 2 | — | 251 | |
| 2007 | 242 | — | 2 | — | 244 | |
| 2006 | 240 | — | 2 | — | 242 | |
| 2005 | 224 | — | 2 | — | 226 | |
| 2004 | 74 | 223 | 2 | — | 299 | |
| 2003 | 1 | 5 | — | — | 7 | |
| 2002 | 255 | 255 | 255 | — | 765 | |
| 2001 | 500 | — | 20 | — | 520 | |
| 2000 | 500 | — | — | — | 500 | |
| 1999 | 500 | — | — | — | 500 | |
| 1998 | 500 | — | — | — | 500 | |
| 1997 | 255 | — | — | — | 255 | |
| 1996 | 255 | — | — | — | 255 | |
| 1993 | 5 | 5 | — | — | 10 | |
| 1992 | 5 | 250 | — | — | 255 | |
▎ 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.