Region 10 Cleanup: Portland Harbor Serving the people of Alaska, Idaho, Oregon, Washington and 270 Native Tribes Recent Additions | Contact Us | Print Version Search: EPA Home > Region 10 > Cleanup Sites > Portland Harbor > T4

Region 10 Homepage Region 10 Cleanup Portland Harbor What You Can Do Information Sources Fact Sheets In The News Maps & Photos Technical Documents Uplands Related Links Cleanup Work   Arkema   GASCO   Terminal 4   Triangle Park   Upland Sites   U.S. Moorings Freedom of Information Act (FOIA)

T4 Photo Gallery March 2004: Divers use drysuits, drygloves, and full-face masks due to the presence of contaminants in bottom sediments and the proximity of combined sewer overflows (CSOs). Information on diving in contaminated water. Boat used to collect core samples Divers used one foot (pictured) and three foot core tubes to collect samples. Diver entering the water under former Cargill berth 401 to collect an under pier core sample (inaccessible by boat). Boat used to collect core samples Tubes used for core sample collection (Toyota ship off-loading in background). Additional T4 diver photos Installation of Monitoring Well 6 Processing cores taken from bottom sediments Core being taken (4 photo series). Drill rig in the process of installing monitoring well 6 (via air rotary equipment). Cutting cores open to extract samples for analysis. Core boat putting core barrels into position and advancing tubes into sediment surface. Photo of drilling at MW 06 D Sediment traps being deployed Sediment trap prior to deployment [ Main Cleanup | Brownfields ] [ Superfund | FOIA | Records Center ] Point of contact: Judy Smith E-Mail: smith.judy@epa.gov Phone Number: (503) Last Updated: 04/24/2007