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Site Report: Swanson River Field Pad 41-4

Site Name: Swanson River Field Pad 41-4
Address: Mi. 17.5 Swanson River Rd, Sterling, AK 99672
File Number: 2334.38.015
Hazard ID: 3337
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 60.730833
Longitude: -150.860000
Horizontal Datum:NAD83

We make every effort to ensure the data presented here is accurate based on the best available information currently on file with DEC. It is therefore subject to change as new information becomes available. We recommend contacting the assigned project staff prior to making decisions based on this information.

Problems/Comments

Petroleum contaminated soil was discovered during removal of a former injection well sump.

Action Information

Action Date Action Description DEC Staff
5/31/2000 Meeting or Teleconference Held Met at field with USFWS and Unocal to discuss removal of sumps at pads 41-4 and 331-27. Inspected sites after discussing project. Donald Seagren
6/6/2000 Interim Removal Action Approved Approved work plan for removal of sumps and transport of contaminated soils to solid waste disposal facility for pads 41-4 and 331-27. Donald Seagren
11/21/2000 Update or Other Action Confirmed use of Method 2 cleanup for Swanson river with Dave Brailey. Discussed filling in sumps exceeding cleanup level if a hazard. Discussed with Jim Frates, USFWS. Donald Seagren
1/22/2001 Update or Other Action Reviewed sump removal report for pads 41-4 and 331-27. Closure and backfilling of sumps at 41-4 approved. Site meets Method Two, Table B, Migration to GW cleanup levels. Pad 331-27 exceeds cleanup levels. Additional excavation and sampling will occur in the spring before any closure can be approved. Donald Seagren
1/24/2001 Site Ranked Using the AHRM Initial ranking. Donald Seagren
2/5/2001 Site Added to Database Petroleum contamination. Donald Seagren
9/30/2003 Site Closure Approved Site closure approval for the 2 sump sites only, not for the entire well pad. Donald Seagren
4/28/2004 Update or Other Action File number assigned and entered into the Fileroom DB and CS DB. Alyce Hughey
10/10/2005 GIS Position Updated Using Figure 1 from a Removal of SRF Injection Well Sumps, from OilRisk Consultants, dated January 20, 2001, in conjunction with TopoZone Pro and the KPB Parcel Lookup, entered the coordinates for this site. Metadata includes, No Topo Basemap, TopoZone Pro Street Maps, Black and White Aerial Photo, on a Medium Size Map, View Scale 1:10,000, Coordinate Datum NAD83. High degree of confidence in accuracy of location. Alyce Hughey

Contaminant Information

Name Level Description Media Comments
For more information about this site, contact DEC at (907) 465-5390.

Control Type

Type Details
No ICs Required

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.

There are no documents for this site report.

No associated sites were found.

Missing Location Data

Because the GIS location data for this site has not been entered, we cannot direct you to its position on the map. Click "Continue" to proceed to the Contaminated Sites Web Map or "Close" to return to the site report.
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