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Site Report: Kalakaket Creek RRS - Landfill 1 [LF002]

Site Name: Kalakaket Creek RRS - Landfill 1 [LF002]
Address: South Shore of Kalakaket Creek, 22 Miles South of Galena, Galena, AK 99741
File Number: 860.38.008
Hazard ID: 4676
Status: Active
Staff: Sophia Bracio, 9074511682 sophia.bracio@alaska.gov
Latitude: 64.430806
Longitude: -156.836056
Horizontal Datum:NAD27

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

Landfill 1 (LF1) is a subarea of Site LF002 at the former Kalakaket Creek Radio Relay Station. LF1 is located generally east of the airstrip. The 2010 Decision Document (DD) for LF002 indicates that petroleum contamination is present in soil and groundwater at LF1. The selected remedy in the DD includes the following elements: institutional controls to protect against potential future exposure to unknown contamination emanating from the landfill, and to restrict access to petroleum-contaminated groundwater. The major components of the selected remedy include: 1) visual monitoring of the top cover of each landfill for signs of settlement, subsidence, erosion, or other such events once every 5 years or until ADEC approves discontinuation of monitoring, 2) Maintaining the integrity of the cap to limit exposure to landfill contents, which includes making repairs and preventing run-on or run-off from eroding or otherwise damaging the cover, 3) restricting access to and limit exposure from contaminated soil at LF1, 4) inclusion and documentation of all ICs in USAF Real Property Records, 5) maintaining existing administrative controls, 6) Submittal of a performance report on ICs to ADEC every 5 years after implementation of the remedial action, and 6) ICs and requirements of 18 AAC 60 to remain as long as buried waste remains onsite.

Action Information

Action Date Action Description DEC Staff
7/28/2008 Site Added to Database Site added to the database. Mitzi Read
7/30/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. Site ranked with De Minimus Exposure for direct contact with subsurface soil and outdoor air inhalation. Kim DeRuyter
5/24/2010 CERCLA ROD Approved The CERCLA ROD, Petroleum Decision Document, and LF001 Decision Document were signed by DEC and the USAF. Kim DeRuyter
9/14/2010 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 75743 name: Landfill 1 groundwater contamination changed ranking to future exposure. Kim DeRuyter
9/14/2010 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 75743 Landfill 1. The LF001 Decision Document established institutional controls for the site. groundwater exposure reranked as exposure controled. Kim DeRuyter
7/11/2011 Document, Report, or Work plan Review - other Work Plan for Long Term Monitoring draft reviewed Amanda Loomis
8/19/2011 Long Term Monitoring Established Work Plan for Long Term Monitoring approved Amanda Loomis
1/26/2012 Meeting or Teleconference Held DEC staff met with Air Force 611 CES to discuss PBR contracting and site issues. Monumenting of landfills was requested by DEC. Dennis Shepard
6/26/2013 Update or Other Action REPORT APPROVAL: Final Technical Project Report, Environmental Long Term Management, Kalakaket Creek Radio Relay Station. On 6/26/2013, DEC approved the above-referenced report. The report included photographs of a metal debris protruding from the at LF1, and a recommendation to locate, cover, and reseed the area where the metal debris was observed. Jamie McKellar
11/5/2014 Institutional Control Record Established Institutional Controls established and entered into the database. Dennis Shepard
5/27/2015 Document, Report, or Work plan Review - other DEC approved the Supplemental Work Plan, Environmental Long Term Management, Kalakaket Creek Radio Relay Station. The Work proposed in the supplemental is consistent with the requirements of 18 AAC 75.375(b)(2) and the approved Work Plan Addendum 2013 Environmental Long Term Management which was approved by DEC on May 29, 2013. Dennis Shepard
8/25/2016 Document, Report, or Work plan Review - other DEC approved the Kalakaket Creek Radio Relay Station Supplemental Work Plan 2016 Remedial Action Operations, Land Use/Institutional Control, Kalakaket Creek Radio Relay Station, Alaska. The Work proposed in the supplemental is consistent with the requirements of 18 AAC 75.375(b)(2) and the approved Work Plan Addendum 2013 Environmental Long Term Management which was approved by DEC on May 29, 2013. Dennis Shepard
5/10/2021 Update or Other Action On 5/4/2021, ADEC completed an interview provided by USAF's contractor, in preparation for the 2nd Five Year Review (FYR). In the interview, ADEC noted the following: Metal debris that was observed protruding from the LF1 landfill cap in 2012, as documented in the 2013 report, has not been addressed; the required 18 AAC 60 post closure documentation has not been submitted to the Solid Waste Program; a ROD amendment or ESD has not been completed as recommended in the 1st FYR; and based on review of photographs, multiple monitoring wells appear to be frost jacked. Jamie McKellar
10/27/2021 Document, Report, or Work plan Review - other REPORT APPROVAL: Final 2020 Remedial Action Operations, Institutional Control / Land Use Control Report, Kalakaket Creek Radio Relay Station, Alaska (EA Engineering, Science, and Technology, Inc., PBC, October 2021). Recommendations in the 2020 RAO IC/LUC report include, but are not limited to: installation and replacement of signage at LF002, repair and replace several monitoring wells, and a recommendation to sample soil and surface water in the location near the airstrip where sheen was observed in 204, 2015, and 2020. Jamie McKellar
6/29/2023 CERCLA ROD Periodic Review On 6/29/2023, DEC approved the Final 2nd FYR for the former Kalakaket RRS. As part of this approval, USAF is required to complete multiple activities within the next two years: File a NAUL by 12/31/2024; file an ESD by 8/30/2024; inspect the LF1 landfill cap during Federal Fiscal Year 2024; investigate the sheen observed on the Kalakaket runway by 6/29/2024; and file a FYR addendum by 12/31/2025. Jamie McKellar
9/10/2024 Document, Report, or Work plan Review - other WORK PLAN APPROVAL: Technical Memorandum – Final Work Plan – Landfill Assessments at LF002 (4676 & 4677) and Limited Sampling at OT001 (4674), Kalakaket Creek Radio Relay Station Alaska; USACE – Alaska District Contract No. W911KB22D0016, Task Order W911KB22F0095 (AECOM, July 2024) Sophia Bracio

Contaminant Information

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

Control Type

Type Details
Land Use Plan / Maps / Base Master Plan The ICs have been documented in USAF's Real Property Records, Kalakaket RRS General Plan, and 611th IRP Records.

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