Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
6060 HWY PP, HIGH RIDGE, MO, 63049
Parent company: LEONARDO US HOLDING INC
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Chromium | Copper | Nickel | Manganese | Lead | Total |
|---|---|---|---|---|---|---|
| 2024 | 6 | 5 | 6 | — | — | 17 |
| 2023 | 9 | 5 | 5 | — | — | 19 |
| 2022 | 6 | 5 | 6 | — | — | 16 |
| 2021 | 7 | 5 | 6 | — | — | 18 |
| 2020 | 7 | 5 | 6 | — | — | 18 |
| 2019 | 7 | 5 | 6 | — | — | 18 |
| 2018 | 6 | 5 | 6 | — | — | 17 |
| 2017 | 6 | 5 | 5 | — | — | 17 |
| 2016 | 6 | 5 | 5 | — | — | 17 |
| 2015 | 10 | 5 | 5 | — | — | 20 |
| 2014 | 10 | 6 | 5 | — | — | 21 |
| 2013 | 6 | 5 | 5 | — | — | 17 |
| 2012 | 6 | 5 | 6 | — | — | 17 |
| 2011 | 10 | 5 | 6 | — | — | 21 |
| 2010 | 10 | 5 | 6 | — | 0 | 21 |
| 2009 | 10 | 10 | 5 | — | 0 | 26 |
| 2008 | 10 | 10 | 7 | — | 1 | 28 |
| 2007 | 6 | 10 | 7 | — | 1 | 24 |
| 2006 | 6 | 10 | 6 | 9 | 1 | 33 |
| 2005 | 10 | 6 | 6 | — | 2 | 23 |
| 2004 | 11 | 5 | 5 | — | 10 | 31 |
| 2003 | 8 | 5 | 4 | 9 | 9 | 36 |
| 2002 | 17 | 5 | 4 | 11 | 14 | 50 |
| 2001 | 10 | 5 | 10 | 15 | 6 | 46 |
| 2000 | 6 | 5 | 5 | — | — | 16 |
| 1999 | 6 | 5 | 5 | — | — | 16 |
| 1998 | 5 | 5 | 5 | — | — | 15 |
| 1997 | 5 | 5 | 4 | — | — | 14 |
| 1993 | — | — | — | — | — | 44 |