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Site Report: Barrow Gas Station Tank Farm


Site Name: Barrow Gas Station Tank Farm
Address: 3417 Stevenson Street; Stevenson & Ahkovak Sts., Barrow, AK 99723
File Number: 310.38.021
Hazard ID: 3232
Status: Cleanup Complete
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 71.302000
Longitude: -156.762900
Horizontal Datum:

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

Vertical AST tanks were replaced with horizontal ones. 12" of gravel, the old liner, and 2' of soil below the liner to permafrost were removed. 3 Samples described as "composite" collected at permafrost had detectable GRO below Method 1 Arctic soil cleanup levels; DRO was at 178, 243 and 387 mg/kg. Excavation was backfllled with clean soil, then layers of insulation, geotextile, a liner and 12" of clean gravel before the tanks were installed. Excavated material was placed on a liner on site until lab results were available. Approximately 300yd contaminated soil/gravel was then moved from gas station tank farm to a larger tank farm at the Petro Star Refinery and placed on a liner.

Action Information

Action Date Action Description DEC Staff
7/28/2000 Site Added to Database GRO and DRO contamination. Bruce Wanstall
7/28/2000 Site Ranked Using the AHRM Initial ranking. Bruce Wanstall
7/27/2007 Update or Other Action Site transferred from Oelkers to O'Connell. Shannon Oelkers
11/16/2007 Exposure Tracking Model Ranking Initial ranking Bill O'Connell
12/10/2007 Conditional Closure Approved The Department of Environmental Conservation, Contaminated Sites Program (ADEC) has completed review of the environmental records associated with the Barrow Gas Station Tank Farm. Based on this information, ADEC has determined that the site shall be conditionally closed. The soil contamination on site has been adequately addressed and does not pose a risk to human health or the environment. Bill O'Connell
12/10/2007 Institutional Control Record Established There is contamination remaining above established cleanup levels at the Barrow Gas Station Tank Farm but ADEC has determined there is no unacceptable risk to human health or the environment, and this site will be conditionally closed, subject to the following conditions: 1. A Notice of Environmental Contamination will be recorded on the ADEC database to document that there is residual contamination remaining on site above the most stringent ADEC cleanup levels; 2. Any proposal to transport soil off site requires ADEC approval in accordance with 18 AAC 78.274(b) Bill O'Connell
6/12/2012 Institutional Control Compliance Review An IC review was conducted on this site and the staff assigned was changed from Bill O'Connell to IC Unit. Evonne Reese
6/12/2012 Institutional Control Record Removed This site meets the 2009 closure policy requirements therefore ICs can be removed. The default requirement of no offsite transport of soil or groundwater from this site still applies. Evonne Reese

Contaminant Information

Name Level Description Media Comments
DRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil

Control Type

Type Details
No ICs Required

Requirements

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

Missing Location Data

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