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Northrop Grumman

Rank in Toxic 100 Water: 2
Surface Water releases 2017 (lbs): 3
POTW (sewerage plant) transfers 2017 (lbs): 211,474
Pounds released post-treatment 2017 (lbs): 17,939
Total Surface Water and POTW Toxic Hazard 2017: 37,651,979,847
Percentage of national total 2017 surface water and POTW hazard: 14.6%

This company is rank 24 on the Toxic 100 Air list.
This company has information in PERI's Greenhouse database.

Chemicals displayed below: (
display facilities) (display chemicals at facilities)
(Click on column headers to re-sort table: current sort is by percent of total company hazard.)
(Links on chemical names lead to Scorecard chemical health effects.)
Nitroglycerin 0 72,883 17,929 37,651,190,153 100.00%
Chromium compounds 1 1 2 762,720 0.00%
Lead 0 4 1 26,623 0.00%
Nickel 1 1 2 199 0.00%
Diphenylamine 0 40 5 153 0.00%
Manganese compounds 0 0 0 0 0.00%
Lead compounds 0 0 0 0 0.00%
Copper compounds 0 0 0 0 0.00%
Nitric acid 0 0 0 0 0.00%
Hydrochloric acid 0 0 0 0 0.00%
Aluminum (fume or dust) 0 0 0 0 0.00%
Dichloromethane 0 0 0 0 0.00%
Nitrate compounds 0 138,545 0 0 0.00%

Toxic hazard: Pounds of direct releases to surface water and estimated releases from transfers to Publicly Operated Treatment Works (POTW's) reported in the US Environmental Protection Agency's Toxics Release Inventory for the year 2017, weighted by toxicity of chemicals. Weights are from the EPA's Risk-Screening Environmental Indicators project. For details, see technical notes.

Quantity of toxic surface water releases and POTW transfers: Pounds of toxic chemicals released directly to surface water at each TRI facility or transferred off-site to a POTW, without weighting for toxicity or population.

Quantity of toxic post-treatment releases: Pounds of toxic chemicals released directly to surface water plus released after treatment at POTW's.

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