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Site Report: ARRC Garner Section House

Site Name: ARRC Garner Section House
Address: Mile 355.9 Parks Highway, Healy, AK 99743
File Number: 150.38.028
Hazard ID: 2911
Status: Cleanup Complete - Institutional Controls
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 63.827762
Longitude: -148.974574
Horizontal Datum:NAD83

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

In 1996, petroleum impacted soil was encountered during the removal of a 1,122 gallon underground heating oil tank (HOT). The HOT was used to heat the former Garner section house, which was decommissioned and dismantled in 1988. Currently the site, which is located 1,100 feet west of the Nenana River at ARRC Milepost 355.9, is vacant.

Action Information

Action Date Action Description DEC Staff
7/6/1998 Update or Other Action Garner Section Heating Oil Tank Removal report submitted by ARRC, dated November 5, 1997, and received by the ADEC on this date. A 1,122 gallon heating oil tank and associated piping was removed. Approximately, 20 cubic yards of contaminated soil was stockpiled on site. Two Pit excavation soil samples, collected below the fuel lines, contained DRO contamination up to 3,700 mg/kg. Two stockpile soil samples collected contained DRO up to 14,000 mg/kg, GRO up to 1,200 mg/kg, benzene up to 0.7 mg/kg, toluene up to 13 mg/kg, ethylbenzene up to 12 mg/kg and xylenes up to 63 mg/kg. The excavation was then backfilled. It is unclear if the excavation was backfilled with the onsite stockpile or imported clean fill. Grant Lidren
4/4/2008 GIS Position Updated increased coordinate accuracy with Topozone Datum NAD83 Grant Lidren
6/1/2009 Site Characterization Workplan Approved ADEC received a Work Plan for Stockpile Soil Sampling Former Garner Section House Healy Alaska, dated May 21, 2009 and submitted by Clarus. ADEC has no objections to the proposed work plan with the following comments: The stockpile soil samples must be obtained at least 18 inches beneath the exposed surface of the pile, a duplicate sample must be collected, and a trip blank and lab QA/QC checklist must be included. Grant Lidren
4/27/2010 Update or Other Action On this date, ADEC received former soil stockpile Assessment Former Garner Section House Healy, Alaska, dated September 1, 2009 and submitted by Clarus. No discernable stockpile was observed during the site visit on July 30, 2009. No soil samples were collected. Grant Lidren
7/23/2010 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 73887 name: HOT Grant Lidren
9/6/2011 Site Characterization Workplan Approved On this date, ADEC received the Work Plan for Soil Sampling of Former Stockpile Area Former Garner Section House submitted by RSE, dated August 31, 2011. A total of five surface soil samples will be collected from the former UST and stockpile area. Grant Lidren
2/2/2012 Update or Other Action On this date, ADEC received the ARRC UST Soil Investigation Former Garner Section House submitted by RSE, dated January 2012. A total of five surface soil samples collected from the former UST and stockpile area at a depth of 10 to 12 inches bgs did not contain petroleum constituents above cleanup levels. Grant Lidren
4/3/2012 Update or Other Action signed CC-IC agreement received on this date. Grant Lidren
4/3/2012 Institutional Control Record Established Institutional Controls established and entered into the database. Grant Lidren
4/3/2012 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 ARRC Garner Section House. 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
6/13/2012 Institutional Control Compliance Review IC review conducted and reminder system set-up for 2017 follow-up with responsible party. Kristin Thompson
6/13/2012 Update or Other Action Staff changed from Grant Lidren to IC Unit. Kristin Thompson
5/16/2017 Institutional Control Compliance Review IC compliance review conducted. ICs Verification letter issued. Reminder system set for future follow-ups to occur every five years. Kristin Thompson
6/12/2017 Institutional Control Periodic Reporting Received notification that land use conditions at this site remain unchanged. Kristin Thompson
2/24/2023 Institutional Control Compliance Review IC compliance review conducted on this date and a reminder letter was issued. The next compliance review will be in 5yrs. Jennifer McGrath

Contaminant Information

Name Level Description Media Comments
DRO Between Method 2 Migration to Groundwater and 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. Standard condition.
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) Standard condition.
Other ARRC will report to ADEC every five years to document land use, or as soon as ARRC becomes aware of any change in land ownership and/or use.
Groundwater Use Restrictions Installation of groundwater or drinking water wells at this site will require approval from ADEC.

No associated sites were found.

Missing Location Data

Because the GIS location data for this site has not been entered, we cannot direct you to its position on the map. Click "Continue" to proceed to the Contaminated Sites Web Map or "Close" to return to the site report.
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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