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Site Report: Yakutat AFB Seaplane Base Slough

Site Name: Yakutat AFB Seaplane Base Slough
Address: N. of Point Carrew Road, West of Engineer's Road, Yakutat, AK 99689
File Number: 1530.38.011
Hazard ID: 3273
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 59.544031
Longitude: -139.761247
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

A single drum was reported by a resident to be present in a slough near the Seaplane Base. The drum appeared to be similar to other FUDS-eligible drums observed in the area. One surface water sample and one sediment sample were collected in 2000. A sheen came to the surface when the bottom layers were disturbed, and the sediment sample had a strong odor. DRO in the detected in the sediment sample at 1700 mg/kg. Location is north of Point Carrew Road, about 1.5 miles west of Engineer's Road. Latitude and longitude is for the Yakutat Seaplane Base.

Action Information

Action Date Action Description DEC Staff
7/25/2001 Site Added to Database DRO. Debra Caillouet
9/17/2002 Update or Other Action staff submitted comments on the RI report for 2001 field work Debra Caillouet
4/5/2004 Update or Other Action A draft feasibility study was reviewed. There is insufficient site characterization data available to select appropriate remedies or to effectively evaluate them against CERCLA criteria. Based on the information provided, the Feasibility Study is premature. Work should occur to identify the data gaps and resolve them before any additional actions are taken. Debra Caillouet
8/19/2004 Meeting or Teleconference Held Staff attended the RAB meeting in Yakutat Debra Caillouet
8/26/2004 Update or Other Action File number issued 1530.38.011.05 Aggie Blandford
11/23/2004 Update or Other Action Response to comments on the draft feasibility study were received and reviewed. While the responses will add clarification to the document, DEC believes there is insufficient site characterization data. The Feasibility Study is premature. Work should occur to identify the data gaps and resolve them before any additional actions are taken. Debra Caillouet
1/13/2005 Meeting or Teleconference Held Staff attended the RAB meeting in Yakutat Debra Caillouet
7/19/2006 Update or Other Action Staff reviewed the Draft Work Plan, 2006 Remedial Investigation, Former Yakutat Air Force Base. Concern G, the Seaplane Slough, has a 55-gallon drum present that previous investigation showed sheen produced and diesel range organics (DRO) at 1700 mg/kg. The work here will sample and analyze six sediment samples. Debra Caillouet
4/3/2007 Exposure Tracking Model Ranking Debra Caillouet
4/4/2007 Site Characterization Report Approved The 2006 Remedial Investigation Report was approved. Debra Caillouet
11/19/2007 Exposure Tracking Model Ranking Debra Caillouet
1/16/2008 Update or Other Action ADEC staff attended a Restoration Advisory Board meeting in Yakutat to discuss the status of various contaminated sites associated with the Yakutat AFB. Discussions at the RAB meeting included the results from the 2007 investigations including the Military Munitions Respons Program work and research; Avgas pipeline removal work scheduled for the upcoming summer; discussions concerning the Feasibility Study that is scheduled to be conducted in upcoming years; and the work to be conducted at the Ocean Cape Radio Relay Station in the NALEMP program. Jonathan Schick
1/17/2008 Site Visit ADEC Staff pariticipated in a site visit to various sites around the Yakutat area. Snow inhibited access to many of the sitess but the purpose of the trip was to get an understanding of the distribution of sites and to attend a Restoration Advisory Board Meeting. Jonathan Schick
8/13/2008 Meeting or Teleconference Held ADEC staff attended a Restoration Advisory Board meeting in the community of Yakutat. Various topics were discussed concerning the status of the on-going environmental restoration work that is going on in the area. Jonathan Schick
8/14/2008 Site Visit ADEC Staff pariticipated in a site visit to various sites in and around the Yakutat AFB area. The other purpose of the site visit was to attend a Restoration Advisory Board Meeting. Jonathan Schick
9/30/2009 Update or Other Action ADEC staff signed a CON/HTRW project closeout report fort he Formerly Used Defense Sites associated with the Yakutat Air Base. The State of Alaska, through the Department of Environmental Conservation concurs with this USACE project closure. The decision may be reviewed or modified in the future if information becomes available that indicates the presence oif military CON/HTRW that may cause unacceptable risk to human health or the environment. The remeduiation of these sites will continue as necessary, this report only states that no containerized wastes are known to be present at the subject sites. Jonathan Schick
3/17/2010 Update or Other Action ADEC Staff issued a letter to the USACE approving the finalization of the Feasibility Study Report as all of the State's comments have been responded to and incorporated in the document. THe Feasibilty Study provides comparisons of applicable remedial alternatives for the numerous sites associated with the Former Yakutat Air Force Base. Jonathan Schick
10/22/2010 CERCLA FS Contaminated Sites Staff submitted a letter to the US Army Corps of Engineers approving the FInal Version of the Feasibility Study Report. The report details the amount of money and effort that cleanup wil require for each of the impacted sites at the Yakutat former Naval Air Facility. There were a few sites that were excluded from the study pending additional investigation. Jonathan Schick
9/29/2014 Site Visit The ADEC contaminated Sites staff participated in a Restoration Advisory Board (RAB) meeting, a tribal meeting, and site inspections in Yakutat with the Army Corps of Engineers to share information on the status of Formerly Used Defense Site investigation and cleanup activities around Yakutat. Jessica Morris
10/15/2015 Site Visit The ADEC contaminated Sites staff participated in a Restoration Advisory Board (RAB) meeting and site inspections in Yakutat with the Army Corps of Engineers to share information on the status of Formerly Used Defense Site investigation and cleanup activities around Yakutat. Jessica Morris
10/11/2016 Site Visit The ADEC contaminated Sites staff participated in a Restoration Advisory Board (RAB) meeting and site inspections in Yakutat with the Army Corps of Engineers to share information on the status of Formerly Used Defense Site investigation and cleanup activities around Yakutat. Jessica Morris
10/4/2017 Update or Other Action The ADEC Contaminated Sites Program sent a letter to the USACE documenting the State's non-concurrence with the Revised Property Survey Summary Sheet for DERP-FUDS Property No. F10AK0606, Inventory Project Report (INPR) for the Yakutat Air Base, Yakutat Alaska. ADEC does not have sufficient information to concur with the reduction of the overall Yakutat Air Base FUDS eligible projects, as described in the INPR. ADEC requested more information regarding the overall site reduction and a meeting with the USACE. Jessica Morris
10/9/2017 Site Characterization Workplan Approved The ADEC Contaminated Sites Program conditionally approved the Remedial Investigation Work Plan for the Yakutat Air Base Formerly Used Defense Sites (FUDS) AOCs E1, E3/Hospital Loop, F1, G, K1, and M4. Jessica Morris
11/21/2017 Update or Other Action The ADEC Contaminated Sites Program submitted comments on the draft project closeout report for several sites. Jessica Morris
6/20/2018 Site Visit ADEC Contaminated Sites Program staff conducted a site visit of several contaminated sites in the Yakutat area. Jessica Morris
8/3/2018 Document, Report, or Work plan Review - other The ADEC Contaminated Sites Program submitted comments on the Draft CON/HTRW Remedial Investigation Report Yakutat Air Base Formerly Used Defense Sites AOCs: E1, E3/Hospital Loop, F1, G, K1, and M4 (F10AK0606-12, 13, 14, 15, 16, and 19)Yakutat, Alaska. Jessica Morris
11/5/2018 Meeting or Teleconference Held The ADEC Contaminated Sites Program had a resolution meeting to discuss comments on the Draft CON/HTRW Remedial Investigation Report Yakutat Air Base Formerly Used Defense Sites AOCs: E1, E3/Hospital Loop, F1, G, K1, and M4 (F10AK0606-12, 13, 14, 15, 16, and 19)Yakutat, Alaska. Jessica Morris
8/30/2021 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 74248 name: drum in slough Darren Mulkey
8/30/2021 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 74248 drum in slough. Darren Mulkey
9/9/2021 Institutional Control Record Removed Institutional Controls have been removed. Darren Mulkey
9/9/2021 CERCLA Remedial Action Completion Report ADEC concurs the Project Closeout Report, Containerized Hazardous, Toxic, and Radioactive Waste, Project # F10AK0606-15, G4-Seaplane Base Slough, Yakutat Air Base FUDS, Yakutat AK, January 2021. Darren Mulkey
9/9/2021 Cleanup Complete Determination Issued The Alaska Department of Environmental Conservation, Contaminated Sites Program (ADEC) has completed a review of the environmental records associated with the Yakutat Formerly Used Defense Site (FUDS) Area of Concern (AOC) G4 – Seaplane Base Slough located north of Point Carrew Road, approximately 0.5 miles from the Point Carrew (Ocean Cape) Road junction and south of Monti Bay. Based on the information provided to date, it has been determined that the contaminant concentrations remaining on site do not pose an unacceptable risk to human health or the environment and no further remedial action will be required unless new information becomes available that indicates residual contaminants may pose an unacceptable risk. Darren Mulkey

Contaminant Information

Name Level Description Media Comments
DRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil Highest remaining DRO 5600 mg/kg

Control Type

Type Details
No ICs Required

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
Movement or use of contaminated material (including on site) in a manner that results in a violation of the water quality standards is prohibited (18 AAC 70)

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