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Site Report: AKARNG Emmonak FSA

Site Name: AKARNG Emmonak FSA
Address: Kwigluk Street, Emmonak, AK 99581
File Number: 2413.38.003
Hazard ID: 2457
Status: Active
Staff: Danielle Duncan, 9074655207
Latitude: 62.777245
Longitude: -164.530029
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.


Petroleum contamination at site due to historic fuel spills and substantial offsite contamination that encroached on the AKARNG property. This contamination was a result of a ruptured fuel line at the adjoining village tank farm LYSD and subsequent flooding. There are three potential areas of contamination/spills. Area 1 was on the west side of the FSA where a 450-gallon fuel spill occurred and surface staining was observed. Area 2 involved the leak of a 55-gallon drum of Jet A fuel in 1992 also on the west side of the FSA. Area 3 was a 40-foot fuel transfer pipeline located on FSA property that connected the fuel storage tanks to the village tank farm. Although a cleanup at the site is pending, substantial data has been collected and the soil and groundwater contamination plumes have been documented. Cleanup levels to include alternative cleanup levels for the migration to groundwater pathway are currently under review.

Action Information

Action Date Action Description DEC Staff
2/21/1996 Site Added to Database Site added to database. Bill Wright
2/22/1996 Site Ranked Using the AHRM Site ranked. Bill Wright
4/1/1996 Preliminary Assessment Approved (Old R:Base Action Code = SA1A - Phase I Site Assessment Approval). Reviewed and approved a phase 1 site assessment. Bill Wright
9/9/1997 Site Ranked Using the AHRM Site reranked. Changed Site Access Value from 1 to 2; Air Exposure Index Value from 0.1 to 0.2; and SW Usage Value from 0.5 to 1. Former score was 21. Scott Pexton
10/11/2000 Update or Other Action Letter sent to Norman Straub suggesting the ADEC Voluntary Cleanup Program as a cost-effective cleanup approach for this site. Scott Pexton
3/16/2004 Update or Other Action File number assigned: 2413.38.003. Sarah Cunningham
3/17/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. Debra Caillouet
7/1/2009 Update or Other Action Joint liability letter sent requesting Guard to negotiate with Lower Yukon School District for cleanup. Debra Caillouet
2/3/2010 Meeting or Teleconference Held Staff participated in the Installation Action Plan meeting. Debra Caillouet
11/30/2010 Report or Workplan Review - Other Staff reviewed and sent comment to the Alaska Army National Guard on the Draft Work Plan for Site Characterization at 21 Alaska Federal Scout Readiness Centers, November 2010, including the Site Specific Plans for Akiak, St. Mary’s and Tuntutuliak. Debra Caillouet
2/28/2011 Report or Workplan Review - Other Draft Field Sampling Plans for Emmonak, Gambell, Kasigluk, Napaskiak and Stebbins, February 2011 Debra Caillouet
5/23/2011 Site Characterization Workplan Approved Final Work Plan for Site Characterization at 21 Alaska Federal Scout Readiness Centers, April 2011 approved. Debra Caillouet
4/16/2013 Site Characterization Report Approved Emmonak Federal Scout Readiness Center, Data Gap Investigation Report, February 2013 Debra Caillouet
6/10/2013 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 73434 Spill. Debra Caillouet
12/17/2015 Update or Other Action Staff changed to Danielle Duncan and hard file transferred to the Juneau office. Kristin Thompson
12/28/2015 Update or Other Action The site is currently under contract for additional site work - there was a problem with the groundwater sampling - going to collect more groundwater and soil samples pending plan and ROD submittal. However, the site has 2 other PRPs and letters were sent and lawyers are engaged. The work may be delayed. Danielle Duncan
5/17/2016 Report or Workplan Review - Other Rec'd the DRAFT Remedial Investigation Work Plan this date. Note: this site is a PRP site, but the AKARNG is going to conduct the field work to determine the full extent of contamination and then address how to move forward with PRP issues. Danielle Duncan
6/7/2016 Update or Other Action Provided comments on the draft Remedial Investigation Work Plan. The plan includes UVOST, soil sampling, ground and surface water sampling. Requested: Please add detailed quality control information – specifically the collection of trip blank(s), duplicates etc. according to the ADEC 2016 Field Sampling Guidance & Please add some description of the intended sampling locations – specifically in the areas of concern and areas where PID results in the past were high. The Figures could potentially be modified to reflect this. Danielle Duncan
6/29/2016 Meeting or Teleconference Held Met with the army to discuss the site. There are 2 adjacent contaminated sites: the school tank farm (LYSD) and the city hall. Cleanup of this site may be hindered by these. Will have to work with the other parties to ensure a complete cleanup. Danielle Duncan
8/10/2016 Report or Workplan Review - Other Accepted the AKARNG's responses to my comments this date. Should see a finalized work plan soon. Danielle Duncan
8/31/2016 Site Characterization Workplan Approved Approved the final work plan this date. Danielle Duncan
6/23/2017 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 73434 Spill. Danielle Duncan
11/8/2017 Update or Other Action Rec'd the draft-final remedial investigation report this date. We are working towards a Record of Decision. ACLs for direct contact were proposed and discussions with the Guard indicate that we may need to calculate ACLs for migration to groundwater. I expect to see a new draft around the XMas holiday. Danielle Duncan
1/11/2018 Report or Workplan Review - Other Received and approved the Draft-Final, Revision 1 Remedial Investigation Report and approved alternative cleanup levels for the migration to groundwater pathway for soil on site. The approved cleanup levels for groundwater are the default ADEC 75.345 Table C levels. The remedial investigation involved both soil and groundwater sampling. Danielle Duncan
6/26/2018 Update or Other Action Due to contamination on both adjacent properties, the site is in NGB Legal. An interim cleanup action was proposed to include a liner, however, the AKARNG would rather do a complete cleanup action. Danielle Duncan

Contaminant Information

Name Level Description Media Comments

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Description Details

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