Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTHROP GRUMMAN CORP (Y12)
301 E ORANGETHORPE AVE, ANAHEIM, CA, 92801
Parent company: NORTHROP GRUMMAN CORP
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 | 1,1,1-Trichloroethane | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | |||
| 1994 | 22,800 | — | 22,800 | |||
| 1993 | 58,500 | — | 58,500 | |||
| 1992 | 53,600 | — | 53,600 | |||
| 1991 | 90,200 | — | 90,200 | |||
| 1990 | 42,100 | — | 42,100 | |||
| 1989 | 14,735 | 293 | 15,028 | |||
| 1988 | 29,750 | 500 | 30,250 | |||
▎ 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.