| ALLIANT TECHSYSTEMS OPERATIONS LLC (NEW RIVER ENERGETICS) | RADFORD | VA | Nitroglycerin | 36,403 | 47,456 | 22,392 | 90.06% | 19.2% | 19.8% | |
| ALLEGANY BALLISTICS LAB (NIROP) | ROCKET CENTER | WV | Manganese compounds | 2,551 | 0 | 923 | 3.71% | 14.7% | 13.5% | |
| ALLEGANY BALLISTICS LAB (NIROP) | ROCKET CENTER | WV | Aluminum (fume or dust) | 23,090 | 5,286 | 487 | 1.96% | 14.7% | 13.5% | |
| ALLEGANY BALLISTICS LAB (NIROP) | ROCKET CENTER | WV | Lead compounds | 429 | 0 | 298 | 1.20% | 14.7% | 13.5% | |
| ATK LAUNCH SYSTEMS LLC - BACCHUS | MAGNA | UT | Polycyclic aromatic compounds | 11 | 0 | 191 | 0.77% | 6.6% | 42.4% | |
| ATK LAUNCH SYSTEMS LLC - BACCHUS | MAGNA | UT | Nitroglycerin | 27 | 30,037 | 161 | 0.65% | 10.1% | 23.3% | |
| ATK LAUNCH SYSTEMS LLC- PROMONTORY | PROMONTORY | UT | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 318,027 | 0 | 143 | 0.58% | 8.2% | 15.3% | |
| ATK LAUNCH SYSTEMS LLC- PROMONTORY | PROMONTORY | UT | Polycyclic aromatic compounds | 444 | 0 | 96 | 0.39% | 8.8% | 14.8% | |
| ALLEGANY BALLISTICS LAB (NIROP) | ROCKET CENTER | WV | Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) | 1,376 | 0 | 58 | 0.23% | 14.7% | 13.6% | |
| NORTHROP GRUMMAN SYSTEMS CORP | LINTHICUM | MD | Lead | 6 | 0 | 40 | 0.16% | 10.8% | 50.2% | |
| ATK LAUNCH SYSTEMS LLC - BACCHUS | MAGNA | UT | Nitric acid | 2,049 | 0 | 32 | 0.13% | 7.0% | 32.9% | |
| NORTHROP GRUMMAN SYSTEMS CORP | LINTHICUM HEIGHTS | MD | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 25 | 0 | 23 | 0.09% | 12.5% | 53.5% | |
| ALLEGANY BALLISTICS LAB (NIROP) | ROCKET CENTER | WV | Nitroglycerin | 15 | 451 | 7 | 0.03% | 14.4% | 13.9% | |
| ALLIANT TECHSYSTEMS OPERATIONS LLC (NEW RIVER ENERGETICS) | RADFORD | VA | Lead compounds | 5 | 0 | 4 | 0.02% | 19.2% | 19.8% | |
| ALLEGANY BALLISTICS LAB (NIROP) | ROCKET CENTER | WV | Dichloromethane (Methylene chloride) | 3,904 | 1,460 | 4 | 0.02% | 14.2% | 14.1% | |
| NORTHROP GRUMMAN SYSTEMS CORP | LINTHICUM | MD | Nitric acid | 18 | 1,629 | 2 | 0.01% | 11.2% | 51.1% | |
| NORTHROP GRUMMAN SYSTEMS CORP | CHARLOTTESVILLE | VA | Lead | 0 | 0 | 1 | 0.01% | 12.9% | 45.1% | |
| NORTHROP GRUMMAN SYSTEMS COPORATION | SALT LAKE CITY | UT | Lead | 0 | 0 | 1 | 0.00% | 11.1% | 42.8% | |
| NORTHROP GRUMMAN EL SEGUNDO | EL SEGUNDO | CA | sec-Butyl alcohol (2-Butanol) | 7,052 | 0 | 0 | 0.00% | 15.4% | 81.0% | |
| USAF PLANT 42 SITE 4 NORTHROP GRUMMAN SYSTEMS CORP | PALMDALE | CA | Methyl isobutyl ketone | 14,753 | 1,790 | 0 | 0.00% | 18.4% | 80.1% | |
| ATK LAUNCH SYSTEMS LLC- PROMONTORY | PROMONTORY | UT | Dioxin and dioxin-like compounds (Manufacturing; and the processing or otherwise use of dioxin and dioxin like compounds if the dioxin and dioxin like compounds are present as contaminants in a chemical and if they were created during the manufacturing of that chemical.) | 0 | 0 | 0 | 0.00% | 8.3% | 15.3% | |
| ALLIANT TECHSYSTEMS OPERATIONS LLC (NEW RIVER ENERGETICS) | RADFORD | VA | Diphenylamine | 370 | 600 | 0 | 0.00% | 19.8% | 23.4% | |
| USAF PLANT 42 SITE 4 NORTHROP GRUMMAN SYSTEMS CORP | PALMDALE | CA | sec-Butyl alcohol (2-Butanol) | 10,575 | 773 | 0 | 0.00% | 19.2% | 81.0% | |
| ALLIANT TECHSYSTEMS OPERATIONS LLC (NEW RIVER ENERGETICS) | RADFORD | VA | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 186 | 5,482 | 0 | 0.00% | 19.2% | 19.8% | |
| NORTHROP GRUMMAN SYSTEMS CORP | LINTHICUM HEIGHTS | MD | N-Methyl-2-pyrrolidone | 5,120 | 13,629 | 0 | 0.00% | 0.0% | 0.0% | |
| ATK LAUNCH SYSTEMS LLC - BACCHUS | MAGNA | UT | Aluminum (fume or dust) | 0 | 68,174 | 0 | 0.00% | 0.0% | 0.0% | |
| ATK LAUNCH SYSTEMS LLC- PROMONTORY | PROMONTORY | UT | Aluminum (fume or dust) | 0 | 607 | 0 | 0.00% | 0.0% | 0.0% | |