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Site Report: AKARNG Bethel New AAOF


Site Name: AKARNG Bethel New AAOF
Address: Bethel Airport, Bethel, AK 99559
File Number: 2407.38.027
Hazard ID: 4159
Status: Cleanup Complete
Staff: ,
Latitude: 60.775765
Longitude: -161.846259
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

38 gallons of Jet A fuel was spilled during refilling of an Aboveground Storage Tank Absorbent pads and booms were deployed to collect free product from the hardstand surface. Six 85-gallon drums of petroleum impacted soil were removed from the site. Sampling in 2004 found a maximum of 4090 mg/Kg DRO remaining in the impacted area

Action Information

Action Date Action Description DEC Staff
11/18/2005 Update or Other Action Staff prepared a comment letter on the Draft Characterization/Alternative Cleanup Level Demonstration Report for Bethel Army Aviation Operating Facility Contaminated Site Debra Caillouet
11/18/2005 Site Added to Database Site added to the database. Debra Caillouet
3/14/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. Debra Caillouet
4/15/2008 Site Characterization Report Approved Staff accepted the final ACL report Debra Caillouet
12/21/2009 Update or Other Action Comment was sent to the AKARNG on the draft ROD Debra Caillouet
2/3/2010 Meeting or Teleconference Held Staff participated in the Installation Action Plan meeting. Debra Caillouet
11/2/2012 Report or Workplan Review - Other Draft Site Characterization Work Plan, AKARNG Bethel New AAOF, October 2012 Debra Caillouet
12/3/2012 Site Characterization Workplan Approved Final Site Characterization Work Plan, Alaska Army National Guard, Bethel New AAOF, November 2012 Debra Caillouet
2/5/2013 Site Characterization Report Approved Draft Site Characterization Report and Cleanup Complete Decision, Alaska Army National Guard, Bethel New AAOF, January 2013 The site characterization indicates that diesel range organics are remaining in a small area in the pad fill sloping to the tundra. The maximum concentration found was 3330 mg/kg at 4 feet below ground surface (bgs). A sample at 11’ bgs at the same location was found to contain and undetectable quantity of DRO. Ten other soil borings were installed around this point and no other significant contamination was identified. Three monitoring wells were installed and sampled downgradient of this location. DRO was not detected in the groundwater above the applicable cleanup level of 1.5 mg/l. The report recommends a cleanup complete determination for this site and ADEC concurs. The monitoring wells on site should be decommissioned in accordance with ADEC guidance. Debra Caillouet
2/5/2013 Cleanup Complete Determination Issued Debra Caillouet
3/5/2013 Report or Workplan Review - Other Work Plan for Decommissioning of Groundwater Wells at the AKARNG Bethel New AAOF, February 2013 Debra Caillouet

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.

There are no documents for this site report.

Missing Location Data

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