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Site Report: Galena AFS/Airport - UST 1428 (CST011)

Site Name: Galena AFS/Airport - UST 1428 (CST011)
Address: Galena Air Force Station, Northwestern End of Runway, Galena, AK 99741
File Number: 860.38.042
Hazard ID: 25854
Status: Active
Staff: Jamie McKellar, 9074515175 jamie.mckellar@alaska.gov
Latitude: 64.738302
Longitude: -156.959114
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

Site CST011, the former Combat Alert Cell hangar (Building 1428), is located at the northwestern corner of the airfield and south of the Former Galena Forward Operating Location cantonment “triangle.” Site CST011 consists of two separate areas on the northern side of the building: Area 1 (former fuel underground storage tanks removed from the northwestern corner of Building 1428) and Area 2 (a former fuel UST abandoned in place near the north-central side of Building 1428). The tank associated with Area 1 has been removed; the tank associated with Area 2 was decommissioned at an unknown time and filled with clean sand. The primary source of contamination at Areas 1 and 2 is petroleum leaks from the former USTs and/or associated piping. Soil and groundwater are impacted.

Action Information

Action Date Action Description DEC Staff
7/27/2010 Document, Report, or Work plan Review - other ADEC received a Draft Field sampling plan for the site. Fred Vreeman
8/24/2010 Document, Report, or Work plan Review - other ADEC provided review comments for the field sampling plan for the Site. Fred Vreeman
9/2/2010 Document, Report, or Work plan Review - other ADEC approved the field sampling plan for the Site. Fred Vreeman
3/14/2012 Site Added to Database A new site has been added to the database Mitzi Read
5/4/2012 Document, Report, or Work plan Review - other ADEC received a Draft Site Characterization Results report for the Site. Dennis Shepard
6/29/2012 Document, Report, or Work plan Review - other ADEC provided comments on the Draft Site Characterization Report. Dennis Shepard
2/8/2013 Document, Report, or Work plan Review - other ADEC received a Draft Final redline of the Site Characterization Results report. Dennis Shepard
2/27/2013 Document, Report, or Work plan Review - other ADEC provided approval of the Draft Final Site Characterization results report. The results report indicates that Site Characterization has data gaps that will be addressed under a future workplan. Dennis Shepard
2/27/2013 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79272 name: UST 1428 Dennis Shepard
9/4/2014 Site Characterization Report Approved DEC has approved the Addendum Site Characterization (SC) Results Report, 1428 Combat Alert Cell UST (Site UST1428 or CST011), Former Galena Forward Operating Location (FOL), Alaska. The purpose of the addendum was to address requirements for an SC Report under 18 AAC 75.335 (c) (ADEC, 2012), specifically, to propose cleanup levels and remedial techniques for the site. Monte Garroutte
11/5/2014 Institutional Control Record Established Institutional Controls established and entered into the database. Dennis Shepard
8/11/2015 Document, Report, or Work plan Review - other DEC approved a Technical Memorandum, 2015 Site-Wide Data Collection Sampling Plan (CH2M HILL Sites). The plan includes installing additional soil borings and monitoring wells, collecting samples for a proposed HRC evaluation and excavating down to the top of the USTs to open the tanks and verify the contents. Dennis Shepard
8/24/2015 Meeting or Teleconference Held A teleconference TRIAD call was held to discuss the Field results for the tank inspections and additional borings completed under the 2015 Site-Wide Data Collection Sampling Plan. The Air Force contractor reported that the USTs at location Area 1 (Tank#8/UST 1428-1 and Tank#9/1428-2)were not found abandoned in place and that the previous geophysical survey reflections had apparently been misinterpreted. The Tank#5/UST 1428B was found abandoned in place. The tank was found to be filled with clean sand and no piping remained. The Tank#5/UST 1428B will remain in place due to its proximity to the Building 1428 foundation. Dennis Shepard
9/1/2015 Update or Other Action DEC received a Notice of Post Closure for the 3 USTs on site (Tanks #5, 8, 9). Dennis Shepard
4/7/2016 Risk Assessment Report Approved DEC approved the Method Three Risk Evaluation for Site CST011 Area 1. The Method Three calculated risk for the site indicates carcinogenic and noncarcinogenic risk criteria have been met under current industrial commercial settings. Dennis Shepard
6/29/2016 Cleanup Plan Approved DEC approved the Subsurface Aeration (Vertical Well) Cleanup Plan for site CST-11. Dennis Shepard
6/30/2016 Cleanup Plan Approved DEC approved the Subsurface Aeration (Vertical Well) Cleanup Plan for Sites ST020, SS005, CST014, CST011 Area 2, and TU001. Dennis Shepard
10/26/2016 Meeting or Teleconference Held A restoration Advisory board meeting was held in Galena Alaska to discuss the general and specific status of site investigations and cleanup at Galena. Dennis Shepard
6/7/2017 Document, Report, or Work plan Review - other Rescission of Approval Letter dated April 1, 2016 - ADEC Method Three Risk Evaluation for Site CST011 Area 1 (UST1428). During preparation of a Cleanup Complete determination for the site, a further review of residual contamination indicated that gasoline range organic (GRO) compounds (3,700 mg/kg) remain at the site above DEC maximum allowable concentrations (1400 mg/kg). Since the site cannot be closed without ICs, a new approval letter specifying conditions for closure will be issued. Jamie McKellar
10/11/2017 Update or Other Action DEC approved the Subsurface Aeration (Vertical Well) Construction Completion Report for Sites ST020, SS005, CST014, CST011 Area 2, and TU001. Dennis Shepard
6/29/2018 Document, Report, or Work plan Review - other DEC approved the Technical Memorandum, 2018 Data Collection Sampling Plan for Sites ST005 Area D, ST020, SS005, CST011 Area 2, and CG001, Former Galena Forward Operating Location (CH2M, June 28, 2018). Dennis Shepard
8/8/2018 Site Visit DEC conducted a site visit at the Former Forward Operating Location in Galena, AK on August 8-9, 2018. A photo log is available in DEC's electronic file. Jamie McKellar
10/29/2018 Site Visit On October 23, 2018, DEC participated in the Technical Project Team (TPT) meeting with representatives from USAF and ADOT&PF. A site visit with inspections of each site was conducted the following day (10/24/2018) in Galena, as well as a regional advisory board (RAB) meeting with members of the community and other interested parties. Jamie McKellar
4/5/2019 Site Visit On April 2, 2019, DEC staff participated in a Technical Project Team meeting with representatives from USAF, Parsons, CH2M, and ADOT. The TPT meeting was held at the Fairbanks DEC office. On April 3-4, 2019, DEC staff traveled to Galena to participate in meetings with the City Mayor & RAB chair to discuss community concerns about site cleanup; a Proposed Plan meeting for Site DP023, and a community regional advisory board (RAB) meeting to discuss fieldwork completed during the 2018 field season and upcoming 2019 fieldwork. Site visits were also conducted. Jamie McKellar
10/23/2019 Meeting or Teleconference Held On October 22, 2019, DEC participated in the Technical Project Team (TPT) meeting with representatives from USAF and ADOT&PF. A site visit was conducted the following day (10/23/2019) in Galena, as well as a regional advisory board (RAB) meeting with members of the community and other interested parties. Jamie McKellar
10/30/2019 Document, Report, or Work plan Review - other REPORT APPROVAL: Final Performance Monitoring Report (CH2M Hill Sites) for Sites ST020, SS005, CST014, CST011 Area 2, TU001, CG001, CG002, CB001 and Southern ST005, Former Galena Forward Operating Location, Alaska (CH2M, October 2019) Jamie McKellar
5/21/2020 Document, Report, or Work plan Review - other REPORT APPROVAL: 2019 Performance Monitoring Report (CH2M Hill Sites) for Sites ST020, SS005, CST014, CST011 Area 2, TU001, CG001, CG002, CB001, Southern ST005, and ST005 Area C (CH2M, May 2020) Jamie McKellar
3/11/2021 Document, Report, or Work plan Review - other WORK PLAN APPROVAL: Final Supplemental Site Characterization Work Plan for Site CST011 Area 1, Former Galena Forward Operating Location, Alaska (CH2M, March 9, 2021) Jamie McKellar
5/3/2021 Document, Report, or Work plan Review - other WORK PLAN APPROVED: Final 2021 Remedial Process Optimization Work Plan (Sites CG001, CST011 Area 2, CST014, SS005, ST005 Area C, Southern ST005, and TU001), Former Galena Forward Operating Location, Alaska (CH2M, April 2021) Jamie McKellar
5/3/2021 Document, Report, or Work plan Review - other REPORT APPROVED: Final Data Quality Assessment, November 2019 – October 2020, Soil Vapor Monitoring for Sites CG001, CST014, SS005, ST005 Area C, Southern ST005, and TU001 (CH2M, April 2021) Jamie McKellar
5/3/2021 Document, Report, or Work plan Review - other REPORT APPROVED: Final Data Quality Assessment, September – October 2020 Groundwater Monitoring at Sites CG001, CST011, CST014, SS005, Southern ST005, ST005 Area C, and TU001. Jamie McKellar
6/29/2022 Meeting or Teleconference Held CS Staff attended a presentation by USAF contractors CH2M and Parsons regarding sample results obtained with submersible pumps and Passive Diffusion Bags (PDBs). Jamie McKellar
9/6/2022 Document, Report, or Work plan Review - other REPORT APPROVAL: Final Supplemental Site Characterization Report for Site CST011 Area 1, Former Galena Forward Operating Location, Alaska (CH2M, August 2022) Jamie McKellar
1/31/2023 Document, Report, or Work plan Review - other WORK PLAN ADDENDUM APPROVAL: 2022 Remedial Process Optimization Work Plan Addendum (Sites CG001, CST011 Area 2, CST014, SS005, ST005 Area C, Southern ST005, and TU001). Jamie McKellar
8/31/2023 Document, Report, or Work plan Review - other WORK PLAN APPROVAL: Final 2023 Data Collection Sampling Plan (Sites SS005, CST014, CST011 Area 2, TU001, CG001, Southern ST005, and ST005 Area C), Former Galena Forward Operating Location, Alaska (CH2M, August 29, 2023) Jamie McKellar
11/15/2023 Site Visit DEC, DOT, USAF, and contractors met at the Fairbanks DEC office on May 2, 2023 for a Technical Project Team meeting. The following day a site visit and Regional Advisory Board (RAB) meeting were held in Galena. Meeting minutes for the TPT and RAB meetings were approved on November 15, 2023. Jamie McKellar
11/16/2023 Long Term Monitoring Workplan or Report Review REPORT APPROVED: Data Quality Assessment 2022 Groundwater Monitoring for Sites CG001, CST011, CST014, SS005, ST005 Area C, Southern ST005, and TU001, Former Galena Forward Operating Location, Alaska (CH2M, October 2023) Jamie McKellar
11/20/2023 Long Term Monitoring Workplan or Report Review REPORT APPROVED: Remedial Process Optimization Report (Sites CG001, CST011 Area 2, CST014, SS005, ST005 Area C, Southern ST005, and TU001), Former Galena Forward Operating Location, Alaska (CH2M, November 2023) Jamie McKellar
11/20/2023 Update or Other Action REPORT APPROVED: Data Quality Assessment 2021 Groundwater Monitoring for Sites ST005 Area C, Southern ST005, SS005, CG001, CST011, CST014 and TU001 (CH2M, May 2022) Jamie McKellar
11/20/2023 Update or Other Action REPORT APPROVED: Data Quality Assessment October 2021 Soil Sampling for Sites ST005 Area C, SS005, CG001, and CST011 (CH2M, May 2022) Jamie McKellar

Contaminant Information

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

Control Type

Type Details
Notice of Environmental Contamination The transfer of the property from Alaska Department Of Transportation & Public Facilities to the U.S. Fish and Wildlife Service (USFWS) in June 2011 included a Memorandum of Agreement (MOA). In the agreement the USFWS acknowledges and agrees to comply with land use controls developed by AF and ADEC that are applicable to the site. An MOA between the Air Force and USFWS was also signed acknowledging Environmental Restrictive Covenants. The USFWS agreed that it shall not install any water wells on site.

Requirements

Description Details

There are no documents for this site report.

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