Union Pacific Railroad Co. Tie-Treating Plant

Superfund site in The Dalles, OR · EPA ID ORD009049412

Union Pacific Railroad Co. Tie-Treating Plant is a Superfund site in The Dalles, OR on the EPA National Priorities List (Currently on the Final NPL). Contaminants of concern include 1,2-DIHYDROACENAPHTHYLENE, ARSENIC, BENZENE, BENZO[A]ANTHRACENE. The EPA has not published a human-exposure determination for Union Pacific Railroad Co. Tie-Treating Plant.

EPA status

National Priorities List
Currently on the Final NPL
Human exposure under control
Not reported
Groundwater migration under control
Not reported
Construction complete
Not reported
Sitewide ready for reuse
Not reported
Federal facility
No
EPA region
10
County
Wasco

Contaminants of concern

Grouped by the environmental medium in which the EPA recorded them.

Groundwater

  • 1,2-Dihydroacenaphthylene
  • Arsenic
  • Benzene
  • Benzo[A]Anthracene
  • Benzo[A]Pyrene
  • Chrysene
  • Ethylbenzene
  • Naphthalene
  • Pentachlorophenol
  • Phenanthrene
  • Toluene

Sediment

  • Arsenic
  • Chrysene
  • Naphthalene
  • Pentachlorophenol

Soil

  • Arsenic
  • Carcinogenic Polycyclic Aromatic Hydrocarbons (Cpah)
  • Naphthalene
  • Pentachlorophenol

Surface Water

  • Pentachlorophenol

Location

TIE PLANT RD-IN CITY LIMITS, The Dalles, OR 97058

Latitude 45.5986, longitude -121.1651

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