Facility detail

NORTHROP GRUMMAN SYSTEMS CORP

800 DOUGLAS STREET, EL SEGUNDO, CA, 90245

Parent company: NORTHROP GRUMMAN CORP

Carcinogen — EPA classifications across all reporting years

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Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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	sec-Butyl alcohol	Toluene	Methyl isobutyl ketone	Freon 113 (CFC-113)	Total (lbs)
2013	—	10,227	—	—	—	10,227
2012	—	12,109	—	—	—	12,109
2011	—	12,180	—	—	—	12,180
2010	—	13,667	—	—	—	13,667
2009	—	14,535	—	—	—	14,535
2008	—	12,834	—	—	—	12,834
2007	—	11,829	—	—	—	11,829
2006	—	11,857	—	—	—	11,857
2005	—	12,316	—	—	—	12,316
2003	—	—	14,123	11,231	—	25,354
2002	—	—	13,796	—	—	13,796
2001	—	—	13,651	10,812	—	24,463
2000	—	—	10,981	—	—	10,981
1999	—	—	10,577	—	—	10,577
1998	—	—	12,699	—	—	12,699
1995	34,600	—	—	—	—	34,600
1994	54,000	—	—	—	—	54,000
1993	64,000	—	—	—	—	64,000
1992	47,000	—	—	—	—	47,000
1991	69,900	—	—	—	—	69,900
1990	83,100	—	9,550	9,765	—	119,165
1989	159,600	—	23,100	20,700	—	211,500
1988	109,000	—	—	—	—	113,500
1987	—	—	—	14,700	29,000	55,700

▎ 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.