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Site Report: Akutan Power Plant

Site Name: Akutan Power Plant
Address: City of Akutan, Akutan, AK 99553
File Number: 2509.26.001
Hazard ID: 23012
Status: Active
Staff: Kris Dent, 9072623411 kris.dent@alaska.gov
Latitude: 54.133275
Longitude: -165.776047
Horizontal Datum:Unknown

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

Removal of three 4,000-gallon diesel tanks with significant soil contamination adjacent to the tanks, with standing water at the bottom of excavation with 1/8 inch of fuel floating on the surface of water. One sample was taken from the bottom of the excavation with diesel range organics (DRO) results of 32,900 parts per million (ppm). The soil removed from above the tanks and the overburden soil was placed back into the excavation in order to protect the health and safety of the public. The storage of the contaminated soil next to the power plant would pose a potential safety hazard, since a boardwalk and a community playground is adjacent to the property. Following placement of the overburden soil into the excavation, the pit was lined with plastic and capped with approximately 3-feet of uncontaminated gravel. February 18, 1999 Environmental Site Assessment, Akutan Power Plant UST Removal, prepared by Polarconsult Alaska, Inc. (PH)

Action Information

Action Date Action Description DEC Staff
12/18/1998 Underground Storage Tank Site Characterization or Assessment Three 4,000-gallon diesel UST's removed from the Akutan Power Plant. Removal of the tanks showed that the soil adjacent to the tanks is significantly contaminated with fuel. Standing water in the excavation has fuel floating on the surface. Strong diesel fuel odor. Donald Seagren
3/30/1999 Site Added to Database Former Staff
3/30/1999 Leaking Underground Storage Tank Cleanup Initiated - Petroleum Tanks removed David Allen
3/30/1999 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77702 (Added by System) Former Staff
2/27/2003 Update or Other Action Notice of Petroleum Release letter sent to the City of Akutan. Donald Seagren
11/30/2004 Update or Other Action File number 2509.26.001 assigned and entered into the Fileroom database and Leaking Underground Storage Tank database. Alyce Hughey
1/17/2006 Update or Other Action Reviewed file and sent site information to John Carnahan concerning possible Brownfields funding for site assessment. Donald Seagren
3/7/2007 Exposure Tracking Model Ranking Former Staff
6/13/2008 Update or Other Action Site transferred from Don Seagren to Paul Horwath per Linda Nuechterlein. Alyce Hughey
1/7/2009 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 77702 name: UST closure Paul Horwath
5/22/2014 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 77702 UST closure. Paul Horwath
10/14/2020 Potentially Responsible Party/State Interest Letter Sent State of Alaska Notification – Hazardous Substance Liability to Joseph Bereksin at the City of Akutan. Jessica Hall
10/14/2020 Workplan Requested Sent workplan request letter to Joseph Bereksin at the City of Akutan. Jessica Hall
3/8/2021 Workplan Requested Overdue Workplan request email sent and update on site requested. Jessica Hall
3/24/2021 Update or Other Action Per Edward L. Hakala at EBSC Engineering, LLC, there was an investigation performed, a report prepared, and possibly submitted to ADEC. However, there is no record that can be found of the report. He asked for guidance on what to do next. ADEC advised him to obtain an environmental consultant to prepare a work plan to characterize the site. Jessica Hall
6/29/2021 Update or Other Action Requested over due Work Plan from the RP. Jessica Hall
1/20/2022 Site Characterization Workplan Approved Sent responsible party approval letter for “City of Akutan Power Plant – Former Underground Storage Tank Location – Responses to ADEC Comments and Revised Site Investigation Work Plan”, dated January 12, 2022. Jessica Hall
3/11/2024 Site Characterization Report Approved Sent responsible party approval letter for City of Akutan Power Plant Site Investigation, dated February, 2024. Analytical groundwater sample results detected DRO concentrations exceeding the ADEC cleanup limit of 1500 micrograms per liter (µg/L) in only one monitoring well (MW-01). Samples at MW-01 detected DRO concentration of 1740 µg/L and 2420 µg/L in the duplicate sample. DRO was the only analyte detected above cleanup limits. The remaining analytes sampled were either not detected or were detected at concentrations less than the applicable cleanup levels. A work plan was requested for further site investigation. Kris Dent
8/9/2024 Document, Report, or Work plan Review - other The Akutan Power Plant, Former Underground Storage Tank Location, Site Investigation Work Plan has been received and approved. The objective of the investigation effort is to characterize and define the extent of contamination in the groundwater at the former UST locations using three monitoring wells. Based on the products formerly stored at the site, the contaminants of concern (COCs) identified for the project consist of gasoline range organics (GRO), diesel range organics (DRO), residual range organics (RRO), volatile organic compounds (VOCs), and polycyclic aromatic hydrocarbons (PAHs). In addition, for monitoring wells in tidally influenced areas where the groundwater is hydrologically connected to the surface water, the analytical results will be compared to the DEC surface water criteria provided in Title 18 Alaska Administrative Code (AAC) 70 (ADEC, 2020). Based on the location of the site in relation to the ocean, total aromatic hydrocarbon and total aqueous hydrocarbon concentrations will be calculated using VOC (benzene, toluene, ethylbenzene, and total xylenes (BTEX) only) and PAH results. Kris Dent

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
TDD: 800-770-8973
Physical Location: 410 Willoughby