| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Arsenic compounds | 25 | 0 | 3,910 | 24.01% | 11.4% | 54.6% | |
| ENVIVA PELLETS LLC COTTONDALE PLANT | COTTONDALE | FL | Formaldehyde | 16,216 | 0 | 3,320 | 20.39% | 19.4% | 28.1% | |
| ENVIVA PELLETS WAYCROSS, LLC | WAYCROSS | GA | Formaldehyde | 11,981 | 0 | 2,495 | 15.32% | 23.3% | 37.4% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Nickel compounds | 232 | 0 | 2,250 | 13.82% | 11.4% | 54.6% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Chromium compounds (except for chromite ore mined in the Transvaal Region of South Africa and the unreacted ore component of the chromite ore processing residue (COPR). COPR is the solid waste remaining after aqueous extraction of oxidized chromite ore that has been combined with soda ash and kiln roasted at approximately 2,000 F.) | 16 | 0 | 1,291 | 7.93% | 11.4% | 54.6% | |
| ENVIVA PELLETS LLC COTTONDALE PLANT | COTTONDALE | FL | Acetaldehyde | 33,588 | 0 | 1,034 | 6.35% | 19.4% | 28.5% | |
| MONTOUR STEAM ELECTRIC STATION | DANVILLE | PA | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 180,000 | 0 | 575 | 3.53% | 12.9% | 12.1% | |
| BRUNNER ISLAND STEAM ELECTRIC STATION | YORK HAVEN | PA | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 37,440 | 0 | 563 | 3.46% | 10.1% | 29.0% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 15,465 | 0 | 563 | 3.46% | 11.4% | 54.6% | |
| ENVIVA PELLETS WAYCROSS, LLC | WAYCROSS | GA | Acetaldehyde | 1,496 | 0 | 137 | 0.84% | 23.4% | 38.1% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Hydrogen fluoride (Hydrofluoric acid) | 12,140 | 0 | 32 | 0.19% | 11.4% | 54.6% | |
| BRUNNER ISLAND STEAM ELECTRIC STATION | YORK HAVEN | PA | Manganese compounds | 185 | 0 | 14 | 0.09% | 9.6% | 26.3% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Vanadium compounds | 83 | 0 | 14 | 0.09% | 11.0% | 53.3% | |
| BRUNNER ISLAND STEAM ELECTRIC STATION | YORK HAVEN | PA | Lead compounds | 120 | 0 | 12 | 0.07% | 10.1% | 29.0% | |
| BRUNNER ISLAND STEAM ELECTRIC STATION | YORK HAVEN | PA | Vanadium compounds | 95 | 0 | 11 | 0.07% | 9.4% | 25.2% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4,520 | 0 | 8 | 0.05% | 11.4% | 54.6% | |
| BRUNNER ISLAND STEAM ELECTRIC STATION | YORK HAVEN | PA | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 156 | 0 | 8 | 0.05% | 9.5% | 26.0% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Manganese compounds | 45 | 0 | 8 | 0.05% | 10.8% | 52.6% | |
| BRUNNER ISLAND STEAM ELECTRIC STATION | YORK HAVEN | PA | Hydrogen fluoride (Hydrofluoric acid) | 5,220 | 0 | 6 | 0.03% | 10.1% | 29.0% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Bromine | 201 | 0 | 4 | 0.03% | 11.4% | 54.6% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Lead compounds | 17 | 0 | 4 | 0.03% | 11.4% | 54.6% | |
| BRUNNER ISLAND STEAM ELECTRIC STATION | YORK HAVEN | PA | Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia is reportable under this listing) | 80,346 | 0 | 3 | 0.02% | 9.9% | 27.8% | |
| BRUNNER ISLAND STEAM ELECTRIC STATION | YORK HAVEN | PA | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,180 | 0 | 2 | 0.02% | 10.1% | 29.0% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 3 | 0 | 2 | 0.01% | 9.7% | 48.9% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Polycyclic aromatic compounds | 1 | 0 | 2 | 0.01% | 11.7% | 52.8% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia is reportable under this listing) | 7,822 | 0 | 2 | 0.01% | 9.9% | 49.8% | |
| BRUNNER ISLAND STEAM ELECTRIC STATION | YORK HAVEN | PA | Mercury compounds | 39 | 0 | 2 | 0.01% | 10.1% | 29.0% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Mercury compounds | 14 | 0 | 2 | 0.01% | 11.4% | 54.6% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Naphthalene | 15 | 0 | 2 | 0.01% | 11.5% | 54.2% | |
| MONTOUR STEAM ELECTRIC STATION | DANVILLE | PA | Vanadium compounds | 32 | 0 | 1 | 0.01% | 12.0% | 10.3% | |
| MONTOUR STEAM ELECTRIC STATION | DANVILLE | PA | Hydrogen fluoride (Hydrofluoric acid) | 4,391 | 0 | 1 | 0.01% | 12.9% | 12.1% | |
| MONTOUR STEAM ELECTRIC STATION | DANVILLE | PA | Manganese compounds | 20 | 0 | 1 | 0.00% | 11.9% | 10.1% | |
| DARTMOUTH POWER ASSOCIATES L.P. | NORTH DARTMOUTH | MA | Naphthalene | 7 | 0 | 1 | 0.00% | 11.0% | 26.8% | |
| MONTOUR STEAM ELECTRIC STATION | DANVILLE | PA | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 40 | 0 | 1 | 0.00% | 12.1% | 10.5% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | 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% | 11.4% | 54.6% | |
| BRUNNER ISLAND STEAM ELECTRIC STATION | YORK HAVEN | PA | Zinc compounds | 1,014 | 0 | 0 | 0.00% | 9.9% | 28.2% | |
| MONTOUR STEAM ELECTRIC STATION | DANVILLE | PA | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,078 | 0 | 0 | 0.00% | 12.9% | 12.1% | |
| DARTMOUTH POWER ASSOCIATES L.P. | NORTH DARTMOUTH | MA | n-Hexane (Hexane) | 6,107 | 0 | 0 | 0.00% | 10.9% | 26.7% | |
| MONTOUR STEAM ELECTRIC STATION | DANVILLE | PA | Lead compounds | 10 | 0 | 0 | 0.00% | 12.9% | 12.1% | |
| ENVIVA PELLETS LLC COTTONDALE PLANT | COTTONDALE | FL | Lead compounds | 1 | 0 | 0 | 0.00% | 19.3% | 26.4% | |
| BRUNNER ISLAND STEAM ELECTRIC STATION | YORK HAVEN | PA | 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% | 10.1% | 29.0% | |
| MONTOUR STEAM ELECTRIC STATION | DANVILLE | PA | Polycyclic aromatic compounds | 1 | 0 | 0 | 0.00% | 12.9% | 11.6% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) | 6 | 0 | 0 | 0.00% | 11.4% | 54.4% | |
| BRANDON SHORES & WAGNER COMPLEX | CURTIS BAY | MD | Zinc compounds | 82 | 0 | 0 | 0.00% | 11.4% | 54.6% | |
| MONTOUR STEAM ELECTRIC STATION | DANVILLE | PA | Mercury compounds | 6 | 0 | 0 | 0.00% | 12.9% | 12.1% | |
| MONTOUR STEAM ELECTRIC STATION | DANVILLE | PA | Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia is reportable under this listing) | 5,130 | 0 | 0 | 0.00% | 12.5% | 11.3% | |
| ENVIVA PELLETS WAYCROSS, LLC | WAYCROSS | GA | Methanol | 76,975 | 0 | 0 | 0.00% | 23.2% | 36.4% | |
| DARTMOUTH POWER ASSOCIATES L.P. | NORTH DARTMOUTH | MA | Ethylbenzene | 4 | 0 | 0 | 0.00% | 10.9% | 26.7% | |
| MONTOUR STEAM ELECTRIC STATION | DANVILLE | PA | Zinc compounds | 246 | 0 | 0 | 0.00% | 12.7% | 11.6% | |
| DARTMOUTH POWER ASSOCIATES L.P. | NORTH DARTMOUTH | MA | Biphenyl | 4 | 0 | 0 | 0.00% | 10.9% | 26.7% | |
| MONTOUR STEAM ELECTRIC STATION | DANVILLE | PA | 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% | 12.9% | 12.1% | |
| ENVIVA PELLETS LLC COTTONDALE PLANT | COTTONDALE | FL | Methanol | 23,489 | 0 | 0 | 0.00% | 19.4% | 28.4% | |
| MARTINS CREEK STEAM ELECTRIC STATION | BANGOR | PA | Polycyclic aromatic compounds | 0 | 0 | 0 | 0.00% | 7.8% | 27.4% | |
| DARTMOUTH POWER ASSOCIATES L.P. | NORTH DARTMOUTH | MA | 1,2,4-Trimethylbenzene | 4 | 0 | 0 | 0.00% | 11.1% | 26.9% | |
| DARTMOUTH POWER ASSOCIATES L.P. | NORTH DARTMOUTH | MA | Xylene (mixed isomers) | 4 | 0 | 0 | 0.00% | 11.0% | 26.7% | |
| DARTMOUTH POWER ASSOCIATES L.P. | NORTH DARTMOUTH | MA | Cumene | 4 | 0 | 0 | 0.00% | 10.9% | 26.7% | |