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Site Report: Eielson AFB (OU-2) (ST019) JP-4 Fuel Line

Site Name: Eielson AFB (OU-2) (ST019) JP-4 Fuel Line
Address: Cargain Road, Near the Taxiway Loop, Eielson AFB, AK 99702
File Number: 107.38.068
Hazard ID: 345
Status: Active
Staff: Axl LeVan, 9074512156 axl.levan@alaska.gov
Latitude: 64.654119
Longitude: -147.054162
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

Sites ST19, DP25 and ST27 are adjacent to one another. Contamination at these sites is due to at least four jet fuel spills. These sites are IRP sites but the 2003 ROD Review included an agreement to monitor these three sites under the Eielson Environmental Compliance Program. Please see the following files for information on these sites: -ADEC file 107.38.068/Hazard IDs 345 (1950s spill) and 2341 (1994 spill) – ST19 -ADEC file 107.38.023/Hazard ID 366 – DP25 -ADEC file 107.38.025/Hazard ID 388 – ST27 In 2005 ADEC formally requested a long-term monitoring program at ST19, DP25 and ST27 (as was agreed to during the 2003 ROD review). ADEC also requested a proposed plan for all three sites. At ST19, groundwater is approximately 8 feet below ground surface. As of 1991, there were two nearby wells. Well No. 8 is 2000 ft south (upgradient) of ST19. It is 90 ft deep, has a 4-in casing and a flow of 10 gpm. Its purpose is unknown. Well No. 14 is 1800 ft north (downgradient) of ST19. It is 96 ft deep, has a 4-in casing and a flow of 6.6 gpm. It is used for fire protection. This specific Hazard ID (345) refers to a c.1950 200000-gallon JP-4 spill onto the ground through a manhole due to a rupture in the fuel pipeline caused by a snowplow. The spill was at ST19, which was closed in 2003 under CERCLA but is still open at ADEC. According to a 2005 letter from ADEC, this spill occurred near Monitoring Well 19-2A. The fuel line is now out of service (drained and capped). In 1994, the free product plume was delineated by CRREL and is estimated to cover approximately 125,600 square feet. The dissolved-benzene plume is estimated to extend 400 feet north of the product plume. Proposed COCs (Soil): GRO DRO Benzene Cumene Ethylbenzene Propylbenzene 1,2,4-TMB 1,3,5-TMB Toluene Xylenes 1-Methylnaphthalene 2-Methylnaphthalene Naphthalene Proposed COCs (Groundwater): DRO GRO Benzene EDB Ethylbenzene 2-Hexanone 1,2,4-TMB 1,3,5-TMB Toluene Xylenes Benzo(a)anthracene Benzo(a)pyrene Dibenzo(a,h)anthracene 1-Methylnaphthalene 2-Methylnaphthalene Naphthalene

Action Information

Action Date Action Description DEC Staff
1/15/1992 Site Added to Database This site is included in the state EPA Eielson FFA 100.38.011. Former Staff
7/23/1992 Update or Other Action Draft remedial investigation and baseline risk assessment received. Former Staff
7/29/1992 Update or Other Action Infiltration of contaminants into vadose zone and groundwater. Surface runoff, volatilization into the air and air entrainment of contaminated surface soils. Xylene contamination is significant in surface soils. Former Staff
8/20/1992 Update or Other Action 20-day extension requested. Former Staff
9/16/1992 Meeting or Teleconference Held Conference call regarding Draft RI between Project Manager. Former Staff
9/30/1992 Update or Other Action Response sent regarding remedial investigation and baseline risk assessment. Former Staff
10/15/1992 Meeting or Teleconference Held Conference call regarding FATE and Transport at ST19. Rielle Markey
2/23/1993 Update or Other Action Sent PRP-CS database Notification Letter to RP requesting update and more environmental information concerning contaminated site. Department of the Air Force responded with update of requested site information on 3-17-93. Jeff Peterson
5/6/1993 Update or Other Action Received draft remedial investigation (RI). The 3-volume document contains the RI and also includes Feasibility Study and 02 appendices. Former Staff
5/6/1993 Site Characterization Report Approved Received draft feasibility study (FS). The 3-volume document contains the FS and also includes Remedial Investigation and 02 appendices. Former Staff
10/19/1993 Site Ranked Using the AHRM Initial ranking. Former Staff
8/1/1996 Update or Other Action Work Plan for Utilidor Investigation/Treatability Study, Contract Number DACA85-94-D-0011, Delivery Order Number 0009, Submittal 001-Draft, 8/16/1996. Kalu Kalu
8/1/1996 Update or Other Action Amendment 002, Site Health and Safety Plan, Remedial Design for OU-2, Sites ST10/SS14 and ST13/DP26, Utilidor Investigation/Treatability Study, Contract DACA85-94-D0011, Delivery Orders 0007 and 0009, received 8/16/1996. Kalu Kalu
9/24/1996 Record of Decision Final Site-Wide Record of Decision, September 1, 1996, Environmental Restoration Program. Rielle Markey
3/24/1997 Update or Other Action Site updated by Shannon and Wilson, based on the Air Force Relative Risk Evaluation Worksheet dated 10/19/95. S&W
12/23/2001 Institutional Control Record Established When the OU-2 ROD was signed in 1994, it established institutional controls (ICs) for this site. These ICs include: a prohibition on the installation or use of drinking water wells, a requirement that all monitoring wells are secured with locks, any activity that may result in exposure to contaminated groundwater or moving contaminated groundwater requires approval of CES/CEV, any activity disturbing a remedial action requires approval of CES/CEV, any activity that may result in exposure to or removal of contaminated soil requires approval of CES/CEV, if contaminated soil or groundwater are removed from the source, they must be disposed of or treated in accordance with regulation, and a requirement to notify ADEC and EPA of any proposal to change the existing land use or land use controls at the site. Ann Farris
12/23/2001 Long Term Monitoring Established From the 1998 Remedial Action Report: free product recovery was performed after the 1994 spill resulting in recovery of approximately 14,000 gallons. Long-term monitoring was chosen as the remedy with institutional controls to prevent exposure. Free product would be collected in the manhole as it appeared. Ann Farris
12/26/2001 GIS Position Updated Worked with Heather Goldman obtaining GIS latitude and longitude from 1:63,300 topographic map. Heather Goldman
1/21/2003 Update or Other Action The 5-year review is scheduled in 2003 to evaluate the long-term monitoring trends. Ann Farris
6/21/2005 Update or Other Action After discussions with Ann Farris, a new spill occured at this site. Work completed on the new spill may be completed under the compliance program; however, work on the spills associated with IRP site ST19 will be done by the IRP program. This IRP site was closed under CERCLA but remains open under 18 AAC 75. Emily Youcha
9/15/2005 GIS Position Updated Position updated based on aerial photograph in GIS reader. Emily Youcha
11/22/2005 Meeting or Teleconference Held This site was discussed at a meeting with Eielson AFB. The recent spill (listed under different RECKEY, see EiAFB Fuel Pit) at this site will be monitored under the compliance program. Apparently the site was closed under CERCLA during the 2003 ROD Review. However, site remains open with the State of Alaska due to remaining DRO and GRO petroleum that may be associated with original spill and the new spill. Under monitoring through compliance, if it is found that DRO/GRO contamination does not exceed 18 AAC 75 cleanup levels for both soil and ground water, the site may be closed. Emily Youcha
5/6/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. Deborah Williams
1/4/2011 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
5/7/2013 Site Visit Conducted a site visit in preparation for the Five Year Review. New monitoring wells were visible, along with drums of IDW. The contractor noted the drums will be moved to the containment cells after breakup. Kim DeRuyter
12/12/2013 Document, Report, or Work plan Review - other Passive Soil Gas/Ground Penetrating Radar/Landfill Survey Tech Memo Received 12-4-2013. At Source Area ST19, the samplers were located in the southern portion of the source area in the vicinity of a fuel pipeline release in 1994. Sampling showed chlorinated compounds throughout the entire south of the sampling site, with fairly low concentration of under 200 nanograms, a large isolated mass was found in the northwest section of the sampling area. Volatile and petroleum compounds followed the same trend showing two isolated masses located in the southeast. One large mass was found in the north, expressing overall low concentration of volatiles, with two large peaks in petroleum that dissipate throughout the contaminated region. Kim DeRuyter
3/17/2014 Document, Report, or Work plan Review - other 2012-Final installation-wide monitoring program report received June, 24 2013. During the 2012 season, three new monitoring wells were installed to replace historic wells that had been decommissioned. 10 wells (3 new and 7 existing) were sampled, three COCs (Contaminant of concern) benzene (4 wells), toluene (1 wells), and lead (1 well) exceeded the final remediation goal. 3 COPC (Contaminant of potential concern) Petroleum Hydrocarbons-GRO/DRO (4 wells), PCEs (1 well) and VOCs (Volatile organic compound) - EDB (3 wells) were detected in levels that exceeded current MCL (Maximum contaminant level) or ADEC groundwater levels. Pesticides, SVOCs (2-ethyl-hexyl)phthalate (Semivolatile organic compound), and metals such as arsenic and antimony have the potential to impact groundwater at this source area, but were not included in the 2012 monitoring event. In general, based on comparing 2012 and historical data, groundwater contaminant of concerns concentrations have decreased, indicating a general decline in plume mass. Moreover, comparing the extent of benzene and toluene in historic groundwater monitoring events to the 2012 extent of contamination indicates the groundwater plumes are shrinking Anna Iverson
5/1/2014 Document, Report, or Work plan Review - other 2013-Draft installation-wide monitoring program (IWMP) report received March, 26 2014. During the 2013 monitoring season 11 wells were scheduled to be sampled during the fall and spring season, but due to frozen ground only 4 well was sampled in the spring, with all 11 being sampled in the fall. 4 COCs exceeded the ROD FRGs, Benzene (2 wells fall (theses wells were not sampled in spring)), Naphthalene (1 well fall (this well was not sampled in spring)), Lead (1 well both sampling events), and Toluene (2 wells fall (theses wells were not sampled in spring)). 3 COPCs exceeded current MCL (Maximum contaminant level) or ADEC groundwater levels for GRO (2 wells fall and 1 well both sampling events), DRO (2 wells fall and 1 well both sampling events), EDB (1 well both sampling events, 2 wells Fall). More monitoring is needed to evaluate the trend for Benzene, Toluene, Naphthalene, and lead. Analytical procedures changes between 2012 and 2013 for total petroleum hydrocarbons, make it so a direct comparison between current GRO and DRO levels and past levels to determine a trend difficult. Anna Iverson
6/10/2015 Site Characterization Workplan Approved Approval issued for the "Final Workplan for Additional Well Installations, Eielson Air Force Base, Alaska" dated 26 May 2015. The workplan describes the installation of 20 new monitoring wells at ten source areas (i.e. ST10/SS14, ST13/DP26, ST18, ST19, DP44, SS61, SS37, ST58, LF04, and SS534) across Eielson, as well as the redevelopment of drinking water well NWS56WH at Source Area ST56 (Engineer Hill). Melinda Brunner
3/26/2016 Update or Other Action DEC and EPA reviewed the "Draft Remedial Investigation/Feasibility Study Management Plan for Operable Unit 2 Source Areas, Eielson Air Force Base, Alaska" dated February 2016 (OU2 RI/FS MP) and provided joint comments to the U.S. Air Force. The RI/FS MP provides an overview of the activities associated with the investigation and evaluation of the 27 source areas at Eielson Air Force Base. ST019 is included in the RI/FS MP. Melinda Brunner
7/22/2016 Institutional Control Compliance Review DEC and EPA Approved the Final 2016 Installation-Wide Monitoring Program Quality Assurance Project Plan Addendum No. 5. The IWMP QAPP Add. 5 updates the 2012 IWMP QAPP for the 2016 field season. Changes and additions to the existing network of monitoring wells were described. Monte Garroutte
12/22/2016 Update or Other Action DEC approved the Remedial Investigation / Feasibility Study Management Plan for Operable Unit 2 Source Areas, Eielson Air Force Base, Alaska (November, 2016). This applies to 7 source areas inside OU2 and 21 source areas outside of OU2. John O'Brien
12/23/2016 Document, Report, or Work plan Review - other DEC and EPA approved the OU2 RI/FS Management Plan. The RI/FS MP provides an overview of the activities associated with the investigation and evaluation of the 27 source areas (not including Garrison Slough) contained in the ROD that includes seven source areas in OU2 and 21 source areas outside of OU2. Monte Garroutte
4/25/2017 Document, Report, or Work plan Review - other 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
7/18/2017 Document, Report, or Work plan Review - other DEC reviewed and provided comments on the Installation-Wide Monitoring Program, 2016 Groundwater Monitoring Report, Eielson Air Force Base, Alaska (June, 2017). John O'Brien
8/6/2018 CERCLA ROD Periodic Review DEC evaluated "Fifth Five-Year Review Report for Eielson Air Force Base, Alaska" draft dated April 2018 and issued comments. Bri Clark
8/9/2018 Document, Report, or Work plan Review - other DEC reviewed and provided a second round of comments on Explanation of Significant Differences (ESD) to the Records of Decisions for Eielson Air Force Base Operable Units, OU1, OU2, OU3,4,5, and OU6, dated November 2017. Bri Clark
8/10/2018 Institutional Control Periodic Reporting DEC and EPA reviewed the "Installation-Wide Monitoring Program 2017 Groundwater Monitoring Program" for Eielson Air Force Base, Alaska dated March 2018 and issued comments. Bri Clark
12/19/2018 Document, Report, or Work plan Review - other DEC reviewed and provided comments on the "Draft Installation-Wide Monitoring Program Quality Assurance Project Plan, Addendum No. 8, Eielson Performance-Based Remediation, Eielson Air Force Base, Alaska," dated November 2018. Bri Clark
2/13/2019 Institutional Control Periodic Reporting DEC and EPA approved the Installation-Wide Monitoring Program 2017 Groundwater Monitoring Report, Eielson Air Force Base, Alaska, dated January 2019. Bri Clark
2/26/2021 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 71324 Pipeline releases. Axl LeVan
9/20/2022 Document, Report, or Work plan Review - other The U.S. Environmental Protection Agency (EPA) and Alaska Department of Environmental Conservation (DEC) approved the Final 2021 Institutional Controls/Land Use Controls Annual Report, Eielson Air Force Base, Alaska (dated September 2022). The report provides inspection findings and reviews individual ICs established by the record of decision (ROD) documents for Installation Restoration Program source areas with enforceable ICs, as well as other contaminated sites currently with LUCs in effect. Dennis Shepard
11/1/2022 Document, Report, or Work plan Review - other DEC provided review comments for the Draft Supplemental Remedial Investigation (RI) Work Plan (WP) Addendum, Eielson Air Force Base, Alaska, September 2022. The Supplemental RI Work Plan Addendum is prepared with the intention of providing a detailed approach to support the objectives of characterizing contamination in general accordance with the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and applicable state laws at 29 source areas within Operable Unit (OU) 1, OU2, OU4, and OU6 at Eielson AFB. This supplemental work plan addendum complements the primary planning documents Final Supplemental Remedial Investigation Work Plan Eielson Air Force Base, Alaska (September 2022) (Gaps 1 Work Plan) and the Risk Assessment Work Plan (USAF 2016). Dennis Shepard

Contaminant Information

Name Level Description Media Comments
TPH > Human Health/Ingestion/Inhalation Soil
Benzene > Table C Groundwater
Benzene Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil

Control Type

Type Details
Land Use Plan / Maps / Base Master Plan Basewide IC Plan incorporated into the Base Comprehensive Plan.

Requirements

Description Details
Groundwater Use Restrictions Prohibition on installation of drinking water wells. Any activity that may result in exposure to contaminated ground water or moving contaminated ground water requires approval of 354 CES/CEV. Annual IC Report
Groundwater Monitoring Site is included in the Sitewide Monitoring Program. A requirement that all monitoring wells are secured with locks. Sitewide Monitoring Program Report
New Construction Restrictions Any activity disturbing a remedial action requires approval of 354 CES/CEV Annual IC Report
Excavation / Soil Movement Restrictions Any activity that may result in exposure to or removal of contaminated soil requires approval of 354 CES/CEV Annual IC Report
Excavation / Soil Movement Restrictions If contaminated soil or ground water are removed from the source, they must be disposed of or treated in accordance with regulation. Annual IC Report
Restricted to Industrial / Commercial Land Use Requirement to notify ADEC and EPA of any proposal to change the existing land use or land use controls at the site. Notify ADEC and EPA

No associated sites were found.

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State of Alaska Department of Environmental Conservation

P.O. Box 111800
Juneau, AK 99811-1800
Phone: 907-465-5066
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