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Site Report: Lonely AFS Dewline - AOC 1,2,&3

Site Name: Lonely AFS Dewline - AOC 1,2,&3
Address: Point Lonely Dewline, Nuiqsut, AK 99789
File Number: 320.38.004
Hazard ID: 4223
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 70.909609
Longitude: -153.245058
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

Petroleum contamination found during the Point Lonely 2005 Remedial Investigation / Feasibility Study above Method One Soil Cleanup Levels for the Arctic Zone. Areas of concern include the Aircraft Fueling Stand 1, Aircraft Fueling Stand 2, and the Tank Farm 1, located on the south edge of the main gravel pad, directly south of Aircraft fueling station 2. An inactive above-ground storage tank is located within a gravel berm adjacent to the gravel pad. The tank farm site is adjacent to a pond. 2006 Remedial Investigation found DRO above Method 1 but below Method 2. These sites are not identified as subject to erosion in the near future.

Action Information

Action Date Action Description DEC Staff
4/17/2006 Site Ranked Using the AHRM Initial ranking. Emily Youcha
4/17/2006 GIS Position Updated Staff obtained GIS coordinates from RP consultant. Emily Youcha
4/17/2006 Site Added to Database Site added to the database. Mitzi Read
4/17/2006 Update or Other Action Staff received 2005 Pt Lonely RI/FS. Samples were collected from Aircraft Fueling Station 1 and 2 and both had contamination above Method One Soil cleanup levels but well below Method Two Arctic Zone cleanup levels. RP recommends NFA. For AOC 3 the Centratl Tank Farm two samples were collected that exceeded Method One for DRO in the soil during the 2005 RI/FS for Pt Lonely SRRS. Concentrations in the soil ranged up to 4000 ppm. Site is located adjacent to a small tundra pond. It is unknown if surface water has been impacted. Staff requested additional sampling to determine whether surface water is impacted. For the Central Tank Farm (AOC3) samples were collected at this site, but it is not possible to make a decision based on the results (inadequate characterization). Emily Youcha
5/26/2006 Update or Other Action Contaminated Sites staff recently obtained term contractor review of a draft Air Force North Slope Risk Assessment Work Plan (RAWP). Comments were received from the term contractor, and a comment review teleconference was held with the term contractor risk assessor on 5/10/06. The RAWP seeks to develop risk based cleanup levels based on exposure pathways for categories of sites (e.g., garage sites) at Air Force radar stations in the north slope region. The work plan is generally well written, but some of the key items that need clarification are how data gaps will be handled at individual sites; determination of background levels for organics and inorganics; how it will be determined whether a large water body is potentially affected by a site; and how toxicity will be determined for trichloroethylene. Emily Youcha
6/7/2006 Meeting or Teleconference Held Staff participated in a comment-resolution meeting. Staff requested addtional samples be collected at the AOCs in order to adequately characterize the sites. Emily Youcha
7/11/2006 Meeting or Teleconference Held Staff performed a site visit to Pt. Lonely with the North Slope Risk Assessment team. Sites SS03 and SS02 are included as template sites, but nearly all sites at Pt Lonely were visited. The former location of the pumphouse was identified and has not yet eroded into the ocean. The coast continues to erode, particularly in the vicinity of the former Sewage Outfall site and little beach remains for vehicle or foot travel on the beach in that area. Emily Youcha
8/3/2006 Site Characterization Workplan Approved For Aircraft Fueling Stands (AOC1 and 2) staff received a workplan to collected 4 additional soil samples from this location for DRO/GRO/RRO/BTEX analysis. For Central Tank Farm (AOC 3)staff recieved a workplan to collect one surface water sample at this site to verify contamination has not reach a small area of surface water adjacent to the site. Sample will be anaylzed for TAH, TAqH Emily Youcha
8/16/2006 Site Number Identifier Changed Previous reckey number 200536X118201 was determined to be a duplicate and was updated to reflect the next available sequence number 200536X118202. Mitzi Read
8/18/2006 Meeting or Teleconference Held Contaminated Sites staff met with the Air Force and the Bureau of Land Management (BLM) to discuss the upcoming cleanup at Point Lonely Air Force Station. This site is located in a right-of-way on BLM property and the Air Force has to meet several environmental requirements before relinquishing the property. The Air Force requested to re-open a permitted landfill at Point Lonely for one time use to deposit demolition debris and low-level petroleum-contaminated soil. BLM is hesitant to approve it because landfills built on BLM property are not consistent with their policy. Emily Youcha
4/20/2007 Update or Other Action ADEC approval of the Final Point Lonely Short Range Radar Station Remedial Investigation and Feasibility Study Report for Twelve Sites, October 2006. The report describes site characterization results and recommended remedial strategies for the following sites: SS001 (Sewage Disposal Area), S002 (Drum Storage Area), SS003 (Beach Diesel Tanks and Pumphouse Area), SS004 (POL Storage Area), SS005 (Diesel Spills), LF007 (Old Dump Site No. 1), SS009 (Garage), SS010 (Diesel Tank), LF011 (Inactive Landfill), SS012 (Module Train), SS013 (Hanger Pad Area), AOC1/AOC2 (Aircraft Fueling Stands), AOC3 (Central Tank Farm), and AOC4 (Central Transformer Stand). Additionally, the report includes the results of a paint survey. Zachary Richter
4/23/2007 Update or Other Action Letter issued with Recommended Closure and Conditional Closure Requirements for contaminated sites located at Point Lonely SRRS, Alaska. The purpose of this letter is to supplement reviews of the Final Point Lonely Short Range Radar Station Remedial Investigation and Feasibility Study Report for Twelve Sites (October 2006) and the Draft Point Lonely Short Range Radar Station 2006 Supplemental Site and Remedial Investigations for Eight Sites (February 2007). This letter summarizes closure recommendations and provides specific information about the institutional controls that would be required by the Alaska Department of Environmental Conservation (ADEC) for sites that are recommended for conditional closure. Zachary Richter
4/23/2007 Update or Other Action Central Tank Farm AOC 3 (RecKey 200536x118203) site has been combined with Aircraft Fuel Stands 1 and 2 (RecKey 200536x118202) site CS on Database. The new site name is Lonely AFS Dewline AOC 1,2,&3. Zachary Richter
4/23/2007 Exposure Tracking Model Ranking Intitial Ranking Complete for Source Area: 75190 (Autogenerated Action)
5/9/2007 Meeting or Teleconference Held Staff participated in Stakeholder meeting at the UIC campus in Anchorage. Cleanup issues specifically in the eroding environment were discussed. Also land lease issues between BLM and the Airforce were discussed. Zachary Richter
7/16/2007 Update or Other Action Final draft of supplemental RI for eight sites approved. The report provides additional site characterization data for the following sites: SS004 POL Storage Area, SS013 Hangar (Transformer Area and Interior of Hangar), LF011 Inactive Landfill, AOC01 Aircraft Fuel Stand 1, AOC02 Aircraft Fuel Stand 2, AOC03 Central Tank Farm, AOC05 Gravel Pad Turnout Area North, and AOC06 Gravel Pad Turnout Area South. Additionally, the report includes the results of a background metal sampling. Zachary Richter
12/11/2007 Risk Assessment Report Approved ADEC received the Final Risk Evaluation Report – Alaska North Slope Radar Installation Sites on November 6, 2007. This report meets the requirements of the ADEC Contaminated Sites Program Risk Assessment Procedures Manual, adopted by reference in 18 AAC 75.340. An approval letter was sent to Dave Cook, Program Manager HQ PACAF/A7NR, on December 10, 2007 This project identified categories of sites that are common on remote Air Force installations in the North Slope region of Alaska and developed conceptual site models and human health and ecological risk based screening levels for four of these categories: garage sites, fuel storage sites, non-fuel storage sites, and transformer sites. The project developed templates for conducting human health and ecological risk evaluations for these categories and performed a risk evaluation as a test case for one example of each type of site. The final report contains guidance on applying the process to other North Slope region sites. It may be used on a site-specific basis as a tool to assist in assessing potential risks posed by North Slope Air Force installation sites. Tamar Stephens
5/26/2011 Meeting or Teleconference Held Teleconference with USAF and BLM regarding various ongoing work at Point Lonely. Tamar Stephens
1/15/2014 Update or Other Action Site transferred to Caillouet. Rebecca Bryan
1/23/2015 Cleanup Complete Determination Issued No contaminants above Method 2 Arctic Zone Debra Caillouet

Contaminant Information

Name Level Description Media Comments
DRO < Method 2 Most Stringent Soil

Control Type

Type Details
No ICs Required

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
Movement or use of contaminated material (including on site) in a manner that results in a violation of the water quality standards is prohibited (18 AAC 70)

No associated sites were found.

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