Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
US AIR FORCE PLANT 4 LOCKHEED MARTIN AERONAUTICS CO
1 LOCKHEED BLVD, FORT WORTH, TX, 76108
Parent company: LOCKHEED MARTIN CORP
Carcinogen
— 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 | Trichloroethylene | Freon 113 (CFC-113) | Toluene | Xylene (mixed isomers) | 1,1,1-Trichloroethane | Total (lbs) |
| 2024 | — | — | 30,925 | — | — | 31,364 |
| 2023 | — | — | 42,787 | — | — | 44,211 |
| 2022 | — | — | 24,486 | — | — | 24,649 |
| 2021 | — | — | 9,045 | — | — | 13,744 |
| 2020 | — | — | 14,585 | — | — | 14,788 |
| 2019 | — | — | 31,663 | — | — | 34,215 |
| 2018 | — | — | 27,963 | — | — | 31,970 |
| 2017 | — | — | 29,947 | — | — | 34,584 |
| 2016 | — | — | 23,612 | — | — | 27,164 |
| 2015 | — | — | — | — | — | 1,265 |
| 2014 | — | — | — | — | — | 1,265 |
| 2013 | — | — | — | — | — | 4,600 |
| 2012 | — | — | — | — | — | 5,300 |
| 2011 | — | — | — | — | — | 5,000 |
| 2010 | — | — | — | — | — | 5,095 |
| 2009 | — | — | — | — | — | 5,300 |
| 2008 | — | — | — | — | — | 5,300 |
| 2007 | — | — | — | — | — | 5,030 |
| 2006 | — | — | — | 8,710 | — | 24,905 |
| 2005 | — | — | 11,846 | 5,210 | — | 34,077 |
| 2004 | — | — | 9,384 | 5,415 | — | 29,539 |
| 2003 | — | — | 9,065 | 6,273 | — | 42,487 |
| 2002 | — | — | — | — | — | 15,217 |
| 2001 | — | — | — | — | — | 527 |
| 2000 | — | — | — | — | — | 527 |
| 1999 | — | — | — | — | — | 527 |
| 1998 | — | — | — | — | — | 8,467 |
| 1997 | — | — | — | — | — | 6,800 |
| 1996 | — | — | — | — | — | 7,440 |
| 1995 | — | — | — | — | — | 8,200 |
| 1994 | 14,400 | — | 2,150 | 1,000 | 8,400 | 36,800 |
| 1993 | 83,200 | — | 36,000 | 70,100 | 17,800 | 282,850 |
| 1992 | 130,900 | 282,400 | 62,300 | 79,400 | 17,600 | 701,018 |
| 1991 | 370,000 | 390,000 | 134,000 | 156,000 | 51,000 | 1,278,500 |
| 1990 | 620,000 | 470,000 | 89,000 | 111,000 | 77,000 | 1,551,500 |
| 1989 | 590,000 | 500,000 | 140,000 | 164,000 | 92,000 | 1,747,260 |
| 1988 | — | — | 255,000 | 267,000 | — | 644,600 |
| 1987 | 970,000 | — | — | — | 230,000 | 1,269,800 |
▎ 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.