Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTHROP GRUMMAN SYSTEMS COPORATION
2211 W NORTH TEMPLE, SALT LAKE CITY, UT, 84116
Parent company: NORTHROP GRUMMAN CORP
Carcinogen
PBT
— 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 | Freon 113 (CFC-113) | 1,1,1-Trichloroethane | Acetone | Lead | Total (lbs) | |
| 2024 | — | — | — | 0 | 0 | |
| 2023 | — | — | — | 0 | 0 | |
| 2022 | — | — | — | 0 | 0 | |
| 2021 | — | — | — | 0 | 0 | |
| 2020 | — | — | — | 0 | 0 | |
| 2019 | — | — | — | 0 | 0 | |
| 2018 | — | — | — | 0 | 0 | |
| 2017 | — | — | — | 0 | 0 | |
| 2016 | — | — | — | 0 | 0 | |
| 2015 | — | — | — | 0 | 0 | |
| 2014 | — | — | — | 0 | 0 | |
| 2013 | — | — | — | 0 | 0 | |
| 2012 | — | — | — | 0 | 0 | |
| 2011 | — | — | — | 0 | 0 | |
| 2010 | — | — | — | 0 | 0 | |
| 2009 | — | — | — | 0 | 0 | |
| 2006 | — | — | — | 0 | 0 | |
| 2005 | — | — | — | 0 | 0 | |
| 2004 | — | — | — | 0 | 0 | |
| 2003 | — | — | — | 6 | 6 | |
| 2002 | — | — | — | 3 | 3 | |
| 2001 | — | — | — | 12 | 12 | |
| 1994 | 67,000 | 2,500 | — | — | 69,500 | |
| 1993 | 51,200 | 21,200 | 4,250 | — | 76,650 | |
| 1992 | 39,000 | 22,700 | — | — | 61,700 | |
| 1991 | 55,960 | 35,365 | — | — | 91,325 | |
| 1990 | 84,800 | 62,260 | — | — | 147,060 | |
| 1989 | 125,000 | 52,000 | 6,400 | — | 183,400 | |
| 1988 | 89,321 | 37,950 | — | — | 127,271 | |
▎ 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.