Facility detail

NORTHROP GRUMMAN GUIDANCE & ELECTRONICS CO INC

4811 W KEARNEY, SPRINGFIELD, MO, 65803

Parent company: NORTHROP GRUMMAN SYSTEMS CORP

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

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	Dichloromethane	Nitric acid	Ammonia	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Certain glycol ethers	Total
2007	—	2,736	—	—	—	2,770
2006	—	5,114	—	—	—	5,127
2005	—	4,253	32,900	—	—	37,166
2004	—	4,380	32,823	—	—	37,213
2003	—	5	—	—	—	12
2002	—	5	—	—	—	1,696
2001	—	8,050	1,750	—	1,000	13,053
2000	—	14,600	3,500	—	500	19,100
1999	—	500	2,800	—	500	5,550
1998	—	500	500	—	500	5,500
1997	—	1,500	1,500	—	500	7,000
1996	—	500	250	—	—	4,250
1995	—	500	4,200	—	—	7,450
1994	—	500	—	—	500	4,741
1993	—	1,000	1,810	11,450	1,500	23,385
1992	—	1,212	—	12,544	5,805	27,926
1991	—	6,200	—	11,200	9,755	34,920
1990	116,800	9,347	—	4,122	4,270	141,257
1989	197,293	11,840	—	3,945	4,043	222,649
1988	—	12,222	—	750	—	14,472