| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Bettis Atomic Power Laboratory | 12 | 120 | 25,456.32 |
| General Electric Apparatus Service | 24 | 158 | 5,461.86 |
| General Motors Pittsburgh Plant | 20 | 153 | 53,642.38 |
| Safety-Kleen Sys. (414502) | 1 | 1 | 4.00 |
| Tube City, Inc. | 11 | 34 | 19,160.38 |