Superfund / Oregon
Union Pacific Railroad Co. Tie-Treating Plant
The Dalles, Wasco County, Oregon
This site remains on the final NPL. The engineered cleanup (its "remedy") was physically completed on 09/23/2004, and the site stays listed while monitoring confirms the remedy works.
| EPA ID | ORD009049412 |
| Status | NPL Site |
| HRS score | 37.93 |
| Proposed | 10/26/1989 |
| Listed | 08/30/1990 |
| Construction complete | 09/23/2004 |
| Deleted | - |
| Coordinates | 45.59860, -121.16510 |
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