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Site Report: Eielson AFB (SS086) Taxiway Golf

Site Name: Eielson AFB (SS086) Taxiway Golf
Address: Eielson Airfield; Taxiway Golf, Eielson AFB, AK 99702
File Number: 107.38.110
Hazard ID: 25729
Status: Active
Staff: Axl LeVan, 9074512156 axl.levan@alaska.gov
Latitude: 64.662346
Longitude: -147.093966
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

On 19 July 2011, potential petroleum contaminated soil was encountered at this site during a paving and signal light installation project along Taxiway G. The source of the soil impacts are unknown, but it is suspected that past releases of aircraft fuel may have occurred at this site during refueling of aircraft or overflow spillage from aircraft vents. Primary aircraft fuel used by the Air Force has included aviation gasoline (AvGas) or jet fuels ((jet propellant [JP]-4, and JP-8). There may have been a onetime spill event or it could be the result of an accumulation of impacts in the soil as a result of numerous minor spills. The discovery of the potential petroleum contaminated soil was reported to the ADEC Prevention and Emergency Response Program on 20 July 2011. The spill report stated, "During a routine repaving project, 5 discrete locations along Taxiway Golf indicated that spills of jet fuel had occurred where heavy aircraft are staged waiting to depart. No indication of jet fuel spills was noted in the southern end of the taxiway where the fighters are normally staged for departure. This spill site was transferred to ADEC’s Contaminated Sites Program on 21 September 2011. The site is identified in the ADEC Contaminated Sites Database under file number 107.38.110. Field screening was done by heated head space/PID measurements by Travis/Peterson under contract to Paving Products (field notes are attached). After excavation, clean gravel, with fertilizer, was used to back fill all 5 locations. The 5 locations will be covered with paving to complete the taxiway maintenance. 245 cubic yards of soil/gravel were excavated and sent to the soil holding cell on base to await remediation." This Hazard ID also includes the following spill: Spill no. 19309930101; spill date = 10/29/19; substance = JP-8 fuel; quantity = ~200 gallons; latitude: 64.666164, -147.096525, datum = WGS84, collection date = 01/09/2020; description: A valve was stuck open on an aircraft during a fuel transfer between tanks, releasing ~200 gallons of JP-8 diesel fuel to asphalt. It is estimated that ~25 gallons of fuel reached the soil. During excavation of the contaminated soil contaminated soil was discovered beyond the stained soil indicating historical contamination in the area. In addition, they were not able to remove all the contaminated soil due to a light fixture in the contaminated area along the Flightline. However, remaining contaminated soil from the fresh spill is de minimis. Confirmation samples show that historical contamination remains in the area above DEC cleanup levels.

Action Information

Action Date Action Description DEC Staff
9/20/2011 Spill Transferred from Prevention Preparedness and Response Program Spill transferred by PERP staff Ashley Anderson. Spill no. 11309920105; spill date = 7/20/11; substance = unknown (JP-8 suspected); quantity = unknown; PERP file no. 107.02.004. Mitzi Read
9/22/2011 Site Added to Database A new site has been added to the database Mitzi Read
9/22/2011 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79166 name: Eielson AFB Taxiway Golf Mitzi Read
11/21/2011 Document, Report, or Work plan Review - other Letter from Eielson to ADEC staff notifying ADEC of potential new source area (SER001-2011 Gulf Taxiway [Taxiway Golf]). Letter is as follows: ...A recently discovered area of concern has been designated SEROOI-2011 and is located along a portion of the Gulf Taxiway located east of the control tower. Pockets of contaminated soil were discovered at five discrete locations during a routine repaving project and are shown in the attached drawing. The spill was reported to 354 CES/CEAN and ADEC on July 20,2010. The source ofthe contamination is suspected to be JP-S spills from heavy aircraft refueling or venting from aircraft prior to departure. The specific dates of releases are currently unknown. The Air Force will investigate this as a potential source area under the SER Process IA W paragraph 24.S of the Eielson AFB FFA dated 21 May 1991... Letter also states that Eielson AFB will initiate a Phase I SER for this source area. Hannah Harrison
3/1/2012 Document, Report, or Work plan Review - other 2012 – Final Phase 1 Source Evaluation Report (SER) for SS086 received March 2012. The purpose of this preliminary evaluation was to determine the appropriate path forward for the source area. Contamination at this source area is suspected to be associated with past releases of fuel that may have occurred during refueling of aircraft or from overflow spillage from aircraft vents. The discovery of impacted soil (defined as exhibiting volatile compounds measured by the heated headspace method to exceeded 50 ppm) and limited removal actions took place during July 2011 and additional excavation was performed at five impacted areas in August 2011; however, the screening frequency did not meet the requirements suggested in state guidance. No samples were collected for laboratory analysis during activities at this source area. As a consequence, the extent of impacted media at the site is unknown. Phase II Source Evaluation Report (SER) will be completed as a site inspection and should define the extent of contamination off the eastern side of the runway. Additional environmental data will be collected. *Added to CSP: 8/8/2014* Anna Iverson
8/27/2012 Document, Report, or Work plan Review - other Letter addressed to Eielson from ADEC and USEPA. Letter addresses Draft Quality Assurance Project Plan for Phase 2 Source Evaluation at SS86 (SER001-2011, Taxiway Golf). Letter states that the ADEC and USEPA have reviewed the aforementioned draft document and have compiled comments addressing changes that must be made before the documentation process may move forward. The letter also states concerns about potential sources of future contamination, and recommends the modification of analytes listed in the draft report. The comments mentioned in the letter were included as an attached table to the letter. Hannah Harrison
10/10/2012 Offsite Soil or Groundwater Disposal Approved Certification of RCRA Exempt Status for contract: Golf Taxiway Shoulders Paving. Approval of contaminated soil transport approved by the ADEC CS Staff. Hannah Harrison
1/1/2013 Document, Report, or Work plan Review - other 2013- Final Quality Assurance Project Plan (QAPP) for Phase 2 SER at SS086 received January 2013. The QAPP outlines the policies, organization, and specific quality assurance (QA)/quality control (QC) measures associated with the collection, analysis, and reporting of data collected in support of the investigation to achieve the data quality goals. The purpose of the Phase 2 SER is to determine the presence or absence of COPCs in the areas and the media most likely to be impacted by any potential releases from past contaminants. * Added to CSP: 8/8/2014 Anna Iverson
6/13/2014 Update or Other Action On April 23, 2014, the Alaska Department of Environmental Conservation and the United States Air Force reached agreement on the State-Eielson Air Force Base Petroleum Site Restoration Agreement (Two-party Agreement). This agreement was established to perform any necessary assessment, monitoring, remediation and cleanup determinations for petroleum contaminated sites at Eielson Air Force Base. This site was identified as a petroleum contaminated site requiring a response action and its cleanup will continue under Alaska regulations, following the procedures established in the agreement. Monte Garroutte
9/26/2014 Document, Report, or Work plan Review - other Final Phase 2 SER SS086 received September 15, 2014. Results of this limited investigation confirm that numerous fuel-related compounds are present in both soil and groundwater, although sample results do not exceed cleanup levels. For this reason, and because the contamination at this site is petroleum-related, it is recommended that SS086 be transferred to the State-lead program. Anna Iverson
7/24/2015 Document, Report, or Work plan Review - other DEC provided comments on the "Draft 2015 Field Sampling Plan for Source Area PL001, Eielson Performance-Based Remediation, Eielson Air Force Base, Alaska dated June 2015 (the FSP). The FSP describes the installation of six new monitoring wells (MWs), and the subsequent sampling of those wells plus eight existing MWs, to determine if groundwater contamination is migrating downgradient of PL001 and SS086. Three of the new MWs are proposed for PL001, and three for SS086. Melinda Brunner
9/14/2015 Site Characterization Workplan Approved DEC approved the "2015 Field Sampling Plan for Source Area PL001, Eielson Performance-Based Remediation, Eielson Air Force Base, Alaska" dated September 2015 (the FSP). The FSP describes the installation of five new monitoring wells, and the subsequent sampling of those wells plus nine existing monitoring wells, to determine if groundwater contamination is migrating downgradient of PL001 and SS086 source areas. Melinda Brunner
3/18/2016 Document, Report, or Work plan Review - other DEC reviewed and provided comments to the U.S. Air Force on the "Addendum to the 2014 Site Characterization Report at Source Area PL001 and 2014 Phase 2 Source Evaluation Report at Source Area SS086 (Draft)" dated 19 February 2016 (PL001/SS086 SCR Addendum). The PL001/SS086 SCR Addendum describes the installation of five new monitoring wells in 2015; the results of sampling 15 monitoring wells in 2015; and an analysis of remedial action alternatives for the sites. Melinda Brunner
4/15/2016 Update or Other Action The USAF and DEC signed a memorandum for the record on 4/15/16 establishing monitoring boundaries for the entire South Loop (PL001) and airfield (SS086). Due to the difficulties in investigating and monitoring contamination within the flightline restricted areas, the monitoring boundary was established to define a management area. The boundary will be monitored to determine if contaminants from specific sites are migrating out of the South Loop (PL001) or main runway (SS086) areas. If contamination is migrating, additional activities may be required. Melinda Brunner
10/28/2016 Update or Other Action DEC acknowledged receipt of the Draft Multiple Compliance Restoration Program Sites Interim Activities Report, Eielson Air Force Base, Alaska (July, 2016). DEC did not provide comments on the Interim Report and is reserving review and comments for the completed characterization reports. John O'Brien
11/4/2016 Site Characterization Report Approved DEC Approved the Addendum to the 2014 Site Characterization Report at Source Area PL001 and 2014 Phase 2 Source Evaluation Report at Source Area SS086 (Final), dated September 26, 2016. This report is an addendum to the 2014 Site Characterization Report for Various Sites including PL001 and the 2014 Source Evaluation Report for Source Area SS086. This addendum presents the results from the 2015 soil and groundwater sampling. Additionally, it proposed remedial action alternatives for Source Areas PL001 and SS086. Long Term Monitoring (LTM) and Institutional Controls (ICs) were recommended to monitor contaminated soil and groundwater within the monitoring boundaries. Site usage and large paved areas that cannot be disturbed limit the options for remedial action and further site characterization. Remedial action alternatives would need to be revisited if land use changes in the future or if contamination starts migrating beyond the monitoring area boundaries. Monte Garroutte
4/25/2017 Update or Other Action DEC reviewed Draft Programmatic Quality Assurance Project Plan, Addendum No. 2, Eielson Air Force Base, Alaska (March, 2017) John O'Brien
6/7/2017 Update or Other Action DEC Approved the 2016 Groundwater Sampling Activities and Results for the PL001 and SS086 Monitoring Areas Technical Memorandum (Final). John O'Brien
10/10/2017 Update or Other Action DEC concurred with USAF Request to Assign Tanker Row Apron (DEC #107.38.117), Taxiway F Repair (DEC #107.38.118) and Sierra Apron (DEC #107.38.123)to 2-Party Agreement. These source areas are located on the airfield and within the SS086 monitoring boundary. John O'Brien
3/19/2018 Update or Other Action DEC received the SS091 Memorandum to Site File, After Action Report – SS091 Site Discovery, Eielson Air Force Base, Alaska. This memorandum documents that potentially contaminated material was removed from site SS091 (DEC file number 107.38.127) the U.S. Army Corps of Engineers (USACE) project EIE348, Repair Fire Station #1, and placed into the Flight Line Pond. The memorandum states that this disposal location will be identified as SS086H, a subsite of SS086, SER 001-2011 Taxiway Golf. Monte Garroutte
10/23/2018 Update or Other Action DEC issued an approval letter for the 2017 Groundwater Sampling Activities and Results for the PL001 and SS086 Monitoring Areas Technical Memorandum, dated 26 March 2018. The tech memo describes the results of the 2017 groundwater monitoring at PL001 and SS086. Bri Clark
4/19/2019 Update or Other Action DEC issued comments on the Final Interim Decision Document PL001 and SS086, Eielson Air Force Base, Alaska dated March 2019. Cleanup levels were updated throughout this document to reflect the 2018 DEC cleanup level changes. Bri Clark
11/18/2019 Update or Other Action DEC approved and signed the Interim Decision Document for sites PL001 and SS086 on Eielson Air Force Base (AFB). The sites are managed under the State-Eielson AFB Petroleum Site Restoration Agreement. This interim DD is needed because the full extent of contaminated soil and groundwater could not be established or active treatment options could not be implemented on the runway and taxiways without critically disrupting the Eielson AFB mission. The selected remedies for Source Areas PL001 and SS086 are Monitor natural attenuation of groundwater and Maintain institutional controls (ICs) prohibiting the use of, and restricting the access to, groundwater or soil until cleanup is complete. Dennis Shepard
11/18/2019 Offsite Soil or Groundwater Disposal Approved Approximately 0.25 cubic yards of soil containing PFOS and Naphthalene was transported to OIT in Moose Creek, Alaska for Thermal Remediation. This soil was generated from the Romeo/Sierra Taxiway portion of the Airfield Paving and Maintenance Project. Sara Marshall
1/9/2020 Spill Transferred from Prevention Preparedness and Response Program Spill transferred by PPRP staff Jill Stockbridge. Spill no. 19309930101; spill date = 10/29/19; substance = JP-8 fuel; quantity = ~200 gallons; PPRP file no. 107.02.004; latitude: 64.666164, -147.096525, datum = WGS84, collection date = 01/09/2020; description: A valve was stuck open on an aircraft during a fuel transfer between tanks, releasing ~200 gallons of JP-8 diesel fuel to asphalt. It is estimated that ~25 gallons of fuel reached the soil. During excavation of the contaminated soil contaminated soil was discovered beyond the stained soil indicating historical contamination in the area. In addition, they were not able to remove all the contaminated soil due to a light fixture in the contaminated area along the Flightline. However, remaining contaminated soil from the fresh spill is de minimis. Confirmation samples show that historical contamination remains in the area above DEC cleanup levels. Mitzi Read
4/22/2020 Document, Report, or Work plan Review - other DEC received a Draft Technical Memorandum for review and comment. The Technical Memorandum presents 2018 and 2019 Groundwater Sampling Activities and Results for the PL001 and SS086 Monitoring Areas, Eielson Air Force Base, Alaska. Dennis Shepard
4/22/2020 Document, Report, or Work plan Review - other DEC received a Technical Memorandum for 2018 and 2019 Groundwater Sampling Activities and Results for the PL001 and SS086 Monitoring Areas. Dennis Shepard
5/18/2020 Document, Report, or Work plan Review - other DEC provided review comments for the Technical Memorandum 2018 and 2019 Groundwater Sampling Activities and Results for the PL001 and SS086 Monitoring Areas, 1 April 2020. Arsenic and Manganese were the only exceedances reported for PL001 and SS086 greater than the ADEC Table C groundwater cleanup levels, but were at stable concentrations. No PL001 wells had exceedances greater than the decision document cleanup levels. Dennis Shepard
2/16/2021 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 79166 Eielson AFB Taxiway Golf. COCs added. Cascade Galasso-Irish
9/18/2023 Document, Report, or Work plan Review - other DEC reviewed and provided comments on the "Eielson AFB Two-Party Sites, Periodic Review - Draft, August 2023". The document reviewed and recorded the current status of two party sites (managed by USAF and DEC) at Eielson Air Force Base. Axl LeVan
12/21/2023 Document, Report, or Work plan Review - other DEC reviewed and approved "Draft-Final Periodic Review Report for Two-Party Sites at Eielson Air Force Base, Alaska, November 2023". This report documents the evaluation of the Interim Land Use Controls (Interim LUCs) for 23 two-party sites at EAFB. Axl LeVan

Contaminant Information

Name Level Description Media Comments

Control Type

Type Details

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Description Details

No associated sites were found.

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