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Site Report: Eielson AFB (SO075) Bldg 1301 AST

Site Name: Eielson AFB (SO075) Bldg 1301 AST
Address: Building 1301, Eielson AFB, AK 99702
File Number: 107.38.099
Hazard ID: 2920
Status: Active
Staff: Axl LeVan, 9074512156 axl.levan@alaska.gov
Latitude: 64.645013
Longitude: -147.073145
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.

Problems/Comments

A diesel/heating fuel above-ground storage tank (AST) located on the south side of Bldg 1301 was removed in 1997. A single soil sample taken from beneath the AST yielded a benzene concentration of 1.337 mg/kg. 2002 soil gas screening at three points (one in close proximity to the location of the former AST, two downgradient of where surface runoff from the former tank location was apparent) yielded non-detect for hydrocarbon vapors. A 2002 letter from ADEC requested soil and possibly groundwater sampling. A 2005 letter requested confirmation soil sampling in the location of the AST and noted that soil gas data cannot be used for site closure. There is additional contamination associated with two other sites at this building. ADEC file number 107.26.015/Hazard ID 24370: regulated 118-gallon leaded gasoline underground storage tank, cleanup complete. ADEC file number 107.38.099/Hazard ID 1935: underground injection well with discharge through a drain line on the N side of the building, active. Note that both the AST and UIW are addressed by the Air Force as a single site - SO075.

Action Information

Action Date Action Description DEC Staff
12/12/2002 Site Ranked Using the AHRM Initial ranking. Jeff Conn
12/12/2002 Site Added to Database DRO from AST. Jeff Conn
12/12/2002 Update or Other Action Letter sent to Mike Raabe asking for soil sampling to be conducted. Jeff Conn
8/29/2003 Site Number Identifier Changed Changed the Workplan from 01 to X1 to reflect the fact that this is a DoD site. Former Staff
8/3/2005 Update or Other Action Staff submitted a letter to the Air Force regarding the UST at building 1301 (the UST has a different file number and hazard ID from the AST) and also requested confirmation sampling at the AST in order to close this site. 2002 soil gas survey at the AST site did not identify any vapors but soil gas data cannot be used to for site closure. Emily Youcha
8/9/2005 GIS Position Updated Coordinate obtained from RP. Emily Youcha
4/7/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. Deborah Williams
1/3/2011 Update or Other Action This entry contains only site-specific information. An informational site has been added to the database for actions that pertain to Eielson Air Force Base in its entirety. Please see ADEC file number 107.38.006/Hazard ID 25578/Eielson AFB Basewide Information. Kathleen Beutel
11/4/2014 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 73896 Former AST. Restrictions are currently in place to prevent contaminant exposures. Approval is required for any activity on site that can result in access or movement of groundwater or soil. A 200-foot buffer boundary is on the site until better delineation can be defined. Anna Iverson
9/4/2015 Update or Other Action This site is included in the Non-OU RI/FS Management Plan. Initial sampling results from the 2015 indicate the need for further sampling, and a Field Change Form for further sampling was approved on 9/4/15. Eric Breitenberger
9/22/2015 CERCLA RI Plan Approved Joint approval issued by EPA and DEC for the final "Remedial Investigation / Feasibility Study Management Plan For Non-Operable Unit Source Areas, Eielson Performance-Based Remediation, Eielson Air Force Base, Alaska" dated September 2015 (Non-OU RI/FS MP). The Non-OU RI/FS MP describes planned remedial investigations at 17 contaminated sites at Eielson Air Force Base, including SO075. Melinda Brunner
9/22/2015 CERCLA RI Plan Approved DEC and EPA jointly approved the "2015 Annual Field Sampling Plan, Eielson Performance-Based Remediation, Eielson Air Force Base, Alaska" dated September 2015 (FSP). The FSP describes remedial investigations planned for 2015 at 21 contaminated sites at Eielson Air Force Base, including SO075. The FSP is meant to be used in conjunction with the appropriate remedial investigation/feasibility study (RI/FS) management plans (i.e. Non-OU and OU 3, 4,& 5) and the Programmatic Quality Assurance Project Plan. Melinda Brunner
10/28/2016 Document, Report, or Work plan Review - other DEC Reviewed the Non-OU RI/RA report. This report included the characterization of multiple sites. Monte Garroutte
4/25/2017 Update or Other Action DEC reviewed and provided comments on the Draft Programmatic Quality Assurance Project Plan, Addendum No. 2, Eielson Air Force Base, Alaska (March, 2017). John O'Brien
10/28/2017 Document, Report, or Work plan Review - other DEC reviewed and provided comments on the Draft 2015 Remedial Investigation/Risk Assessment Report for Non-Operable Unit Source Areas, Eielson AFB, Alaska [August 2016]. John O'Brien
3/9/2018 Document, Report, or Work plan Review - other DEC issued comments on the Draft Site Characterization Report I Source Areas ST011, SD021, SD022, SD024, DP025, ST027, SS030, ST058, SO065, SO069, SO070, SO071, SO073, SO075, SS078, SS084, SO504, TU506, MY512, and MY518 dated February 2018. Bri Clark
6/25/2018 Document, Report, or Work plan Review - other DEC issued comments on the Draft Site Characterization Report I Source Areas ST011, SD021, SD022, SD023, SD024, DP025, ST027, SS030, ST058, SO065, SO069, SO070, SO071, SO073, SO075, SS078, SS084, SO504, TU506, MY512, and MY518, Eielson Air Force Base, Alaska, dated February 2018. Bri Clark
8/21/2019 Site Characterization Report Approved DEC Approval for the Final Site Characterization Report 1, Source areas ST011, SD021, SD022, SD023, SD024, DP025, ST027, SS030, ST058, SO065, SO069, SO070, SO071, SO073, SO075, SS078, SS084, SO504, TU506, MY512, and MY518, Eielson Performance Based Remediation, Eielson AFB, Alaska, May 2019 Sara Marshall
5/12/2020 Update or Other Action A 2 party draft Decision Document (1 Part A) for Source Areas: SO065, SO069, SO070, SO071, SO073, SO075, SS084, and TU506, Eielson Air Force Base, Alaska, May 2020 was submitted. The sites have no known PFAS contamination associated with them. Any CERCLA contaminants will be addressed under CERCLA regulatory program in accordance with the Eielson Air Force Base, Federal Facilities Agreement. Dennis Shepard
2/9/2022 Update or Other Action DEC approved and signed the Decision Document for Eielson Performance Based Remediation Source Areas SO075, SS078, SO504, MY512, and MY518, Eielson Air Force Base, Alaska (May 2021). The Decision Document describes the remedial actions at Eielson Source Areas SO075, SS078, SO504, MY512, and MY518, all of which are associated with potential contamination resulting from petroleum, storage, distribution, and/or use. The U.S. Air Force (USAF) is managing remediation of petroleum, oil, and lubricants (POL) or petroleum-related contamination at these source areas in accordance with the State-Eielson Agreement (USAF 2014d), the two-party agreement. Any Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) constituents remaining will be addressed by transferring source areas back to the Eielson Air Force Base, Federal Facility Agreement Under CERCLA Section 120 (USAF 2013a), the three-party agreement. Dennis Shepard
5/9/2024 Update or Other Action DEC approved Land Use Control (LUC) boundary updates that were discussed at the 23 October 2023 meeting. The updated site boundaries were based on site evaluations performed since initial interim LUCs were place on the sites. Site SO075 boundaries are being expanded northeast to capture soil contamination. SS078 is being expanded to include a proposed monitoring well. MY512 was recommended for collapse and a shift north to include two monitoring well locations. MY518 and SO504 were recommended for site closure, but will retain current LUC boundaries until a final DEC decision is made. Axl LeVan

Contaminant Information

Name Level Description Media Comments

Control Type

Type Details

Requirements

Description Details

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