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Site Report: Alyeska PS 08 Turbine Fuel Loading


Site Name: Alyeska PS 08 Turbine Fuel Loading
Address: Off MP 330 Richardson Hwy, Onto Johnson Road, Eielson AFB, AK 99702
File Number: 330.38.009
Hazard ID: 1740
Status: Cleanup Complete - Institutional Controls
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 64.543558
Longitude: -146.822425
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

Alyeska performed a Site Assessment (SA) of its fuel handling area at PS 08. Soils contaminated with petroleum hydrocarbons were excavated and thermally incinerated; 900 cubic yards were excavated. Alyeska placed impermeable liner underneath the fuel handling area to limit contaminant migration from any release in the future. Contamination in excess of cleanup criteria remains in place near the east and west fuel dispensers, however is limited in extent. A drinking water well is located 400 feet south of the turbine fuel loading area. Groundwater is assumed to be a depth of 375 feet bgs.

Action Information

Action Date Action Description DEC Staff
6/1/1992 Update or Other Action Site Assessment and Corrective Action Report for Pump Station 8 Turbine Fuel Loading Area, dated June 1992 by America North/EMCON, Inc. Soil contamination was encountered from a site assessment as part of the turbine fuel loading upgrade at PS 08. Contaminated soil was excavated both horizontally and vertically in efforts to remove all the contaminated soil. The excavation was limited by the active east and west fuel dispensers. Generally, the soil samples that exceeded ADEC migration to groundwater cleanup levels were detected at the dispensers where 12 cy contaminated soil was left in place. The highest soil sample collected at 6 ft. bgs contained DRO at 25,000 mg/kg. Contaminant concentrations decreased with depth. Soil samples collected 10.5 feet bgs did not contain contaminant concentrations above ADEC migration to GW cleanup levels. A total of 900 cy of soil were removed and thermally remediated off site. Grant Lidren
6/5/1992 Update or Other Action (Old R:Base Action Code = RARR - Remedial Action Report Review (CS)). 900 cubic yards of DRO contaminated soils were excavated from the area of the Turbine Fuel Loading facility. Approximately 12 cubic yards of contaminated soil was left in place around the dispensers. Mehrdad Nadem
10/28/1992 Site Added to Database Petroleum hydrocarbon contamination. No Longer Assigned
1/10/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. Pam Clemens
5/7/2014 Cleanup Complete Determination Issued The Alaska Department of Environmental Conservation (ADEC), Contaminated Sites Program, has completed a review of the environmental records associated with the Alyeska PS 08 Turbine Fuel Loading. Based on the information provided to date and the administrative record, the ADEC has determined that the contaminant concentrations remaining on site do not pose an unacceptable risk to human health or the environment. No further remedial action will be required as long as the site is in compliance with established institutional controls. Grant Lidren
5/7/2014 Institutional Control Record Established Institutional Controls established and entered into the database. Grant Lidren
5/9/2014 Update or Other Action On this date, ADEC received the signed CC-IC agreement from Alyeska. Grant Lidren
11/16/2015 Institutional Control Compliance Review IC compliance review conducted, staff name changed from Lidren to IC Unit, and reminder system set to review the site record in May 2019. Nathan Maxwell

Contaminant Information

Name Level Description Media Comments
DRO > Human Health/Ingestion/Inhalation Soil

Control Type

Type Details
Signed CS Determination

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
Groundwater Use Restrictions Installation of monitoring wells will require ADEC approval
When Contaminated Soil is Accessible, Remediation Should Occur
Periodic Review Every five years

Missing Location Data

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