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Site Report: Alaska Clean Seas Deadhorse Base Facility

Site Name: Alaska Clean Seas Deadhorse Base Facility
Address: Tract 24, Spine Road, Deadhorse, AK 99734
File Number: 300.38.300
Hazard ID: 25879
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 70.221986
Longitude: -148.418865
Horizontal Datum:WGS84

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

Soil samples collected during a geotechnical investigation found DRO in soil at 1,220 mg/kg at 2.5 feet bgs.

Action Information

Action Date Action Description DEC Staff
6/6/2012 Site Added to Database A new site has been added to the database Mitzi Read
6/12/2012 Document, Report, or Work plan Review - other Reviewed Geotechnical Engineering Report, Alaska Clean Seas Base Facility Inmprovements. Evidence of hydrocarbon contamination was noted during installation of soil borings to collect geotechnical information to support construction of new buildings at the site. DRO was detected up to 1,220 mg/kg in a soil sample from 2.5 feet bgs. Bill O'Connell
6/12/2012 Document, Report, or Work plan Review - other Reviewed Work Plan for Site Characterization at Alaska Clean Seas Base Facility, Deadhorse. Four test pits will be sampled to evaluate the extent of contamination found during the geotechnical investigation and an inspection will be conducted along the edge of the pad to look for off-pad migration. Bill O'Connell
6/12/2012 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79293 name: Alaska Clean Seas Deadhorse Base Facility Bill O'Connell
9/21/2012 Document, Report, or Work plan Review - other Reviewed Site Characterization Report for Alaska Clean Seas Base Facility in Deadhorse. Five test pits were excavated and soil samples were collected at one foot intervals for field screening with a PID. Analytical samples contained DRO up to 771 mg/kg. Only samples from Test Pit 1 contained DRO above the gravel pad cleanup level of 500 mg/kg. Test Pit 1 was excavated in an area formerly used to fuel vehicles. An inspection of the off pad tundra nearest the impacted area did not indicate the presence of hydrocarbon contamination in surface water or sediment. Bill O'Connell
9/25/2012 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 79293 Alaska Clean Seas Deadhorse Base Facility. Bill O'Connell
12/5/2012 Cleanup Complete Determination Issued The Alaska Department of Environmental Conservation, Contaminated Sites Program (ADEC) has completed a review of the environmental records associated with the Alaska Clean Seas Deadhorse Base Facility located on Spine Road in Deadhorse, Alaska. Based on the information provided to date, it has been determined that the contaminant concentrations remaining on site do not pose an unacceptable risk to human health or the environment and this site will be closed. Bill O'Connell

Missing Location Data

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State of Alaska Department of Environmental Conservation

P.O. Box 111800
Juneau, AK 99811-1800
Phone: 907-465-5066
Fax: 907-465-5245
TDD: 800-770-8973
Physical Location: 410 Willoughby