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Site Report: USCG Tok Loran Station

Site Name: USCG Tok Loran Station
Address: Mile 1307.5 Alaska Hwy., Tok, AK 99780
File Number: 130.38.013
Hazard ID: 583
Status: Active
Staff: Sophia Bracio-Martinez, 9074511682 sophia.bracio@alaska.gov
Latitude: 63.328804
Longitude: -142.809260
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

Well casing reportedly filled by mistake during fuel delivery in early 1980s. Amount unknown. Old Army Haines-Fairbanks fuel line is also in the area. Water supply well contaminated. Extent of contamination unknown. New well installed in 7/85. 1986 spill of oil and possibly solvents and glycol from cracked 100 gallon sump. Sump replaced. Up to 9 ppm gasoline in 4/85 sample from water supply. One gasoline tank and one dry well within 250' of old well. Gasoline and fuel oil tanks, seepage pit, and dry well within 750' of new well. This site also has a LUST file, USCG Tok Loran Station, Reckey:1991-33-00-175-01, FacID:820, EventID:23, File number 170.26.012. File combined in CS file. In 1991, two USTs removed from AOC 3. As of 02/07/2022 no work has been done at this site since 2017. The site is not considered to be fully delineated.

Action Information

Action Date Action Description DEC Staff
3/12/1979 Update or Other Action (Old R:Base Action Code = FI - Field Inspection (General)). Water samples obtained indicated up to 1.7 ppm (? units) oil and grease. Former Staff
5/7/1980 Update or Other Action (Old R:Base Action Code = FI - Field Inspection (General)). 2.9 ppm oil and grease in water sample obtained by S. Justice. Former Staff
6/6/1985 Update or Other Action (Old R:Base Action Code = FI - Field Inspection (General)). Water samples obtained by D. Parker showed no detected purgeable aromatics on 7/9 and 9/9/85. Samples from 6/6/85 from throughout water treatment system showed up to 3 ppb benzene, 2 ppb toluene, 4.3 ppb ethylbenzene and 126 ppb xylenes. Former Staff
7/14/1985 Interim Removal Action Approved (Old R:Base Action Code = AWS - Alternative Water Supply (General)). New well installed. Well depth 180 feet. Former Staff
7/16/1985 Update or Other Action (Old R:Base Action Code = FI - Field Inspection (General)). Analyses indicated up to 5.8 ppm oil and grease in water sample obtained 7/16/85 and 1.8 ppm diesel, 9.0 ppm gasoline in sample obtained 4/23/85. Former Staff
3/7/1990 Site Number Identifier Changed Old Reckey 1988310129120. Changed to reflect correct region. Former Staff
12/10/1990 Site Ranked Using the AHRM Initial ranking. Former Staff
1/25/1994 Site Added to Database Water contamination reported. Former Staff
6/20/1994 Update or Other Action (Old R:Base Action Code = RPL2 - Site Information Request Letter). Sent PRP-CS Database Notification Letter to RP requesting update and more environmental information concerning contaminated site. Jeff Peterson
5/30/1995 Document, Report, or Work plan Review - other Release Investigation Work Plan LORAN Station Tok. The investigation is being conducted as the result of a past overfill of the heating oil day tank and contamination discovered in soil during the removal of two USTs that were used to supply heating oil to the day tank. Sammi Castle
12/1/1995 Document, Report, or Work plan Review - other Release Investigation U.S. Coast Guard LORAN Station Tok dated December 1995. The purpose of this Release Investigation was to determine the extent of contamination at LORAN Station Tok. Investigation focused on three areas: 1) Area immediately adjacent to the original well where the day tank spill occurred. 2) Area surrounding the site of the previous fuel oil USTs. 3) Area immediately adjacent to the site of the previous gasoline UST. Sammi Castle
11/22/1996 Long Term Monitoring Established LTM for a period of 5 years established for the stations Class C well and MW8. Bob Krogseng
11/22/1996 Conditional Closure Approved Sent NFA letter for Diesel and Gasoline UST sites. Day tanks site requires soil cleanup to level A. Bob Krogseng
4/30/1997 Update or Other Action monitoring report shows drinking water well to be free on petroleum hydrocarbons. Nothing on MW8. Bob Krogseng
5/13/1997 Cleanup Plan Approved (Old R:Base Action Code = CAPA - Corrective Action Plan). Corrective Action Plan for Long-Term Monitoring approved. CAP outlines the methods and procedures for installing an insitu soil bioventing system. CAP dated April 3, 1997. Bob Krogseng
5/13/1997 Update or Other Action Site placed on long-term monitoring status by the U.S. Coast Guard. Bob Krogseng
11/24/1997 Update or Other Action CAP Implementation Report includes LTM. MW1 above DRO cleanup level. Dated 10/27/1997. Bob Krogseng
6/1/1999 Document, Report, or Work plan Review - other Site Investigation of Potential Metal Contamination at the United States Coast Guard Small Arms Firing Ranges. Received by ADEC July 12, 2000. Sammi Castle
5/20/2004 Update or Other Action File number assigned and entered into the Fileroom DB and CS DB. Alyce Hughey
1/4/2006 Institutional Control Record Established Note to CS Database Mike Jaynes
4/5/2006 Update or Other Action Site transferred to Palmieri in Haines office. Manager assignment changed from Jaynes to Palmieri. Mike Jaynes
8/24/2010 Update or Other Action ADEC-PM was contacted by AKDNR-MLW w/ general inquiries to assist w/ future land use considerations and decisions. Discussed the current site status as well as historical contamination and remediation actions. Curtis Dunkin
2/12/2015 Document, Report, or Work plan Review - other Final 2012 Tok LORAN Station Environmental Investigation and Removal Action report dated December 2013 and received by ADEC on this date. This report focused on investigation, removal, and waste loadout at five areas of concern: Small Arms Firing Range, Day Tank area, Diesel Underground Storage Tank, Former Gasoline UST, and the Sump UST. Sammi Castle
7/12/2017 Document, Report, or Work plan Review - other Phase I Environmental Due Diligence Audit dated May 2014 and received by ADEC on this date. Findings of this EDDA are as follows: 1) Inspections at the Jackie Circle Duplex found asbestos-containing material present in interior drywall texture and join compound. 2) Lead-based plaint was found exceeding 1 milligram per square centimeter on the window frames in the Jackie Circle Duplex. 3) A Phase II EDDA is unwarranted. Sammi Castle
8/24/2017 Document, Report, or Work plan Review - other 2017 Environmental Investigation Work Plan Addendum dated August 2017 and submitted to ADEC on this date. Site investigation activities described in this work plan include: 1) additional investigation of soil beneath the Operations Building, 2) additional investigation of the soil in vicinity of Area 5 (Former Sump UST), 3) characterization of the soil in the inferred downgradient direction of the septic seepage pits approximately 430 feet south of the Operations Building, and the dry well approximately 200 feet east of the Operations Building. Sammi Castle
12/21/2017 Document, Report, or Work plan Review - other REPORT RECEIVED: Draft 2017 Tok Loran Station, Environmental Investigation. Prepared by Jacobs Engineering. DEC Submitted comments on January 3, 2018. (CS Database Update 3/29/2018) Jamie McKellar
3/22/2018 Update or Other Action New Project Manager assigned. Jamie McKellar
5/4/2018 Update or Other Action REPORT REVIEW: Comments submitted to USCG for Draft 2017 Tok Loran Station, Environmental Investigation. Prepared by Jacobs Engineering. Jamie McKellar
5/7/2018 Update or Other Action It is unclear why the USCG Tok LORAN Station site has a status of Cleanup Complete. This site will be reopened on the CS database since the site has not been fully characterized. Jamie McKellar
5/31/2018 Update or Other Action RTCs received from USCG via Jacobs for Draft EI Report Jamie McKellar
6/5/2018 Site Reopened The USCG Tok Loran Station site has not been fully characterized. Following a records review, the DEC project manager was unable to locate documentation for the initial CS site closure. Jamie McKellar
6/5/2018 Update or Other Action RTCs submitted from DEC to USCG. No further RTCs are necessary provided USCG incorporate DEC's minor comments in the final draft of the report. Draft 2017 Tok Loran Station, Environmental Investigation. Prepared by Jacobs Engineering. Dated December 2017. Jamie McKellar
7/3/2018 Document, Report, or Work plan Review - other REPORT APPROVAL: Final 2017 Tok Loran Station, Environmental Investigation. Prepared by Jacobs Engineering. Dated June 2018. Jamie McKellar
10/1/2018 Update or Other Action INFORMATION REQUEST: DEC requested that USCG conduct a records review to determine whether AFFF was ever used or stored at the Attu, Port Clarence, or Tok LORAN Stations. 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
2/7/2022 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 71562 name: auto-generated pm edit USCG Tok Loran Station Shonda Oderkirk
8/22/2023 Document, Report, or Work plan Review - other Received draft work plan.8/30/2023 Comments sent to RP. 9/28/2023 Final approval for work plan sent. Shonda Oderkirk
10/12/2023 Document, Report, or Work plan Review - other Approved decommissioning of remaining 5 wells. Letter received with preliminary results and details of attempts to sample. Wells are not in a viable aquifer and there is not sufficient GW present to be able to collect analytical samples. DRO contamination remains in the area of MW-1, but the well is no longer viable. In addition, the site has been subject to vandalism and wells monuments damaged as a result. Shonda Oderkirk
1/25/2024 Document, Report, or Work plan Review - other Summary report for soil sample results from a cooler that was received out of temperature range. DEC technical staff agreed the results are useable as qualified. Shonda Oderkirk
5/15/2024 Meeting or Teleconference Held Teleconference held with USCG and DEC to discuss active USCG contaminated sites and Memorandum of Agreement (MOA) renewal. Sophia Bracio-Martinez
6/20/2024 Meeting or Teleconference Held DEC and USCG met to discuss active non-Kodiak USCG sites. Sophia Bracio-Martinez
9/13/2024 Site Characterization Report Approved REPORT APPROVAL: Final Site Investigation Report, Former U.S. Coast Guard LORAN Station, Tok, Alaska (Brice, September 2024) Sophia Bracio-Martinez
9/19/2024 Meeting or Teleconference Held Teleconference held with USCG and DEC to discuss active USCG contaminated sites. Sophia Bracio-Martinez
10/17/2024 Meeting or Teleconference Held Teleconference held with USCG and DEC to discuss active USCG contaminated sites. Sophia Bracio-Martinez
4/14/2025 Document, Report, or Work plan Review - other REPORT APPROVAL: Final Site Closure Report Former U.S. Coast Guard LORAN Station, Tok, Alaska (Brice, April 2025). The report summarizes site investigation and cleanup activities and requests site closure. DEC is evaluating the site closure request and will issue a determination under separate cover. Sophia Bracio-Martinez
4/15/2025 Meeting or Teleconference Held Teleconference held with USCG and DEC to discuss active USCG contaminated sites and Memorandum of Agreement (MOA) renewal. Sophia Bracio-Martinez
4/25/2025 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 81568 name: SAFR Sophia Bracio-Martinez
4/25/2025 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 81570 name: Former Sump UST Sophia Bracio-Martinez

Contaminant Information

Name Level Description Media Comments
DRO Other SoilGroundwater

Control Type

Type Details
CS Database Notation And Letter To Landowner/RP Database Note and letter written by Bob Krogseng on 11/22/1996.

Requirements

Description Details
Groundwater Monitoring Recorded in Database and letter sent to USCG on 11/22/96 requiring long term monitoring for 5 years of GW in Monitoring Wells and Drinking Water Well onsite. Soil under heating oil tanks exceeds Method One, Level A cleanup levels. Annual GW monitoring reports.

No associated sites were found.

Missing Location Data

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