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Site Report: USCG Loran C Station - Sitkinak

Site Name: USCG Loran C Station - Sitkinak
Address: Sitkinak Island, West of Mark Lake, Akhiok, AK 99615
File Number: 2504.38.001
Hazard ID: 3055
Status: Active
Staff: Alyssa Wood, 9072694587 alyssa.wood@alaska.gov
Latitude: 56.540278
Longitude: -154.132778
Horizontal Datum:

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

Contaminated soils with lab results showing DRO between 9.6 and 34,000 ppm resulted from seven 32,000-gallon diesel, one 324,000-gallon diesel, and one 500-gallon diesel Above Ground Storage Tanks. Contamination was also found around three 20,000-gallon water cisterns and the pipeline. The Underground Storage Tanks are being worked in the LUST DB under USCG-Loran C Station-Sitkinak, Reckey:1998250030101. This site is located on the Sitkinak Island.

Action Information

Action Date Action Description DEC Staff
11/1/2001 Document, Report, or Work plan Review - other Draft Release Investigation Report dated November 2001. Soil and surface water sampling was conducted to characterize areas of concern. Sampling locations included the following: Station Tank Farm, Beach AST, Barracks, Signal and Power Building, Incinerator Building, Three 20,000-gallon water cisterns, Pipeline, mark Lake. Sammi Castle
3/1/2002 Document, Report, or Work plan Review - other Final Interim Corrective Action Report USCG Loran C Station dated March 2002. This interim corrective action report has been prepared to present the results of the sampling associated with the Phase I demolition of the USCG Sitkinak LORAN C Station. Sammi Castle
7/31/2002 Update or Other Action Clean up initiated. Some soils were excavated and additional soil excavation may be required. Further investigation may be required. Donald Seagren
11/19/2003 Site Added to Database DRO contamination. Alyce Hughey
11/19/2003 Site Ranked Using the AHRM Initial ranking. Alyce Hughey
11/19/2003 Update or Other Action Report Review by Don Seagren, letter issued to Mark Ridgeway regarding report review comments. Donald Seagren
5/19/2004 Update or Other Action File number assigned and entered into the fileroom DB and CS DB. Alyce Hughey
7/19/2005 Cleanup Level(s) Approved Coast Guard has submitted sampling data showing the groundwater at the station is saline and not potable. Draft Sitkinak 2004 Soil and Groundwater Sampling Report dated 4/22/2005. Approval of ingestion and inhalation cleanup levels for site COC's in letter. Letter is at G:\SPAR\CS\Contaminated Site Files (38)\2504 Sitkinak Island\2504.38.001 USCG Loran C Station Sitkinak\042005 Soil and GW Sampling Report.doc Mike Jaynes
9/28/2006 Site Characterization Workplan Approved Workplan for the sampling of soil stockpiles and gw monitoring wells approved this date. Anne Marie Palmieri
4/30/2007 Document, Report, or Work plan Review - other Final Sitkinak 2006 Site Investigation Report. All analytical results from the two soil stockpiles sampled during the 2006 SI were below ADEC Method Two Ingestion and Inhalation cleanup levels. Only one well samples (MW-8 for DRO) exceeded cleanup criteria. Sammi Castle
12/1/2007 Document, Report, or Work plan Review - other USCG Site Compliance Report dated December 2007. Sammi Castle
4/7/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. Anne Marie Palmieri
6/4/2009 Document, Report, or Work plan Review - other Sitkinak Site Visit Tech Memo - detailed work performed during the May 13, 2009 site visit. During the site visit, three soil samples were collected from the drainage ditch near the former fuel farm. DRO in the samples reached a maximum of 24,300 mg/Kg. Sammi Castle
6/18/2010 Cleanup Plan Approved Two work plans approved this date: 1) landspreading of stockpiled soil; and 2) groundwater monitoring (wells 2 & 8) and soil sampling/excavation in drainage ditch. Work is to be conducted in June 2010. Anne Marie Palmieri
12/6/2011 Update or Other Action Site transferred from Palmieri to Dooley. AEA Susan Carberry
12/7/2011 Meeting or Teleconference Held ADEC staff attended a meeting with the US Coast Guard to discuss state-wide site prioritization. Meghan Dooley
3/22/2018 Update or Other Action New Project Manager assigned. Jamie McKellar
3/14/2019 Meeting or Teleconference Held Teleconference with USCG, DEC, USACE and North Wind (USCG contractor) to discuss active USCG contaminated sites. Jamie McKellar
10/13/2022 Update or Other Action New Project Manager assigned Alyssa Wood
1/23/2023 CERCLA PA ADEC approved a combined PA report evaluating 65 USCG Units within District 17 (Alaska), excluding Base Kodiak, for potential PFAS releases related to the use of AFFF. Six potential release locations were identified at four sites: Air Station Sitka, Loran C - Attu Island, Port Clarence Loran Station, and Loran C Station - Sitkinak. These locations were recommended for Site Inspection (SI). Nick Waldo

Contaminant Information

Name Level Description Media Comments

Control Type

Type Details

Requirements

Description Details

There are no documents for this site report.

No associated sites were found.

Missing Location Data

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