| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Union Tank Car/Altoona Shop | 19 | 63 | 100,569.40 |
| Sunoco Partners Mkt & Term/Altoona | 14 | 53 | 31,712.26 |
| Lumax Ind/Altoona Plt | 13 | 149 | 40,327.40 |
| Norfolk Southern Railway Co/Juniata Locomotive Shops | 13 | 68 | 1,307,029.81 |
| Gulf Oil/Altoona | 8 | 34 | 21,880.00 |
| Fry Metals/Altoona Plt | 6 | 17 | 23,399.40 |
| Skf Usa Inc. Altoona Plant | 3 | 3 | 750.00 |
| Amerway Inc. | 1 | 1 | 1.32 |