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Site Report: Kalakaket Creek RRS - Landfill 2 [LF002]

Site Name: Kalakaket Creek RRS - Landfill 2 [LF002]
Address: South Shore of Kalakaket Creek, 22 Miles South of Galena, Galena, AK 99741
File Number: 860.38.008
Hazard ID: 4677
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 2 (LF2) is a subarea of Site LF002 at the former Kalakaket Creek Radio Relay Station (RRS). LF2 is located north of the former RRS. The selected remedy for LF2, identified in the 2010 LF002 Decision Document includes institutional controls to protect against potential future exposure to unknown contamination emanating from the landfill. 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. Ranked De Minimis Exposure for direct contact with subsurface soil and outdoor air inhalation. Kim DeRuyter
7/24/2010 CERCLA ROD Approved The CERCLA ROD, Petroleum Decision Document, and LF001 Decision Document were signed by DEC and the USAF. Kim DeRuyter
7/11/2011 Document, Report, or Work plan Review - other Draft Work Plan for Long Term Monitoring 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
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. The Work includes landfill cap inspections and sampling of monitoring wells. 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

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
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