Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NAMMO DEFENSE SYSTEMS INC
4051 N HIGLEY RD, MESA, AZ, 85215
Parent company: NAMMO INC
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | 1,1,1-Trichloroethane | Lead compounds | Lead And Lead Compounds | Total |
|---|---|---|---|---|
| 2024 | — | — | 507 | 507 |
| 2023 | — | 3 | — | 3 |
| 2022 | — | — | 2 | 2 |
| 2021 | — | — | 2 | 2 |
| 2020 | — | — | 8 | 8 |
| 2019 | — | 7 | — | 7 |
| 2018 | — | — | 4 | 4 |
| 2014 | — | 6 | — | 6 |
| 2013 | — | 0 | — | 0 |
| 2012 | — | 0 | — | 0 |
| 2011 | — | 0 | — | 0 |
| 2010 | — | 0 | — | 0 |
| 2009 | — | 0 | — | 0 |
| 2008 | — | 0 | — | 0 |
| 2007 | — | 0 | — | 0 |
| 2006 | — | 0 | — | 0 |
| 2005 | — | 0 | — | 0 |
| 2004 | — | 0 | — | 0 |
| 2003 | — | 5,569 | — | 5,569 |
| 2002 | — | 0 | — | 0 |
| 2001 | — | 0 | — | 0 |
| 1991 | 6,839 | — | — | 6,839 |
| 1990 | 9,741 | — | — | 9,741 |
| 1989 | 56,577 | — | — | 56,577 |