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Site Report: ADOT&PF Larrys Flying Service Hangar

Site Name: ADOT&PF Larrys Flying Service Hangar
Address: Lot 11B, Block 10, Galena Airport, Galena, AK 99741
File Number: 860.38.065
Hazard ID: 26262
Status: Active
Staff: Jamie McKellar, 9074515175
Latitude: 64.739026
Longitude: -156.947278
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.


Larry's Flying Service operated in an Alaska Department of Transportation and Public Facilities (ADOT&PF) leased hangar on the Galena airport apron from the mid 1970s to 2013. The hangar collapsed from snow load in 2012 and has been demolished, but the concrete slab foundation remains. A Class V injection well was located within the hangar and was used during the period of operation by Larry's Flying Service. The well is constructed of a 55 gallon drum sunk into the concrete slab. The site is not in use at this time. Land use controls for the airport area restrict use near and on the site. The ADOT&PF prepared and submitted paperwork to inventory the Class V injection well with EPA on November 14, 2013. On June 10, 2014 the ADOT&PF collected samples from the well. Hydrocarbon contamination (DRO and benzene) above DEC Method two, Table B, migration to groundwater cleanup levels has been identified within the well and at a location 12 inches below the bottom of the 55 gallon drum/well bottom. In addition, Arsenic, cadmium, and chromium are reported at concentrations above the DEC Method Two, Table B, migration to groundwater cleanup levels. A groundwater sample was not collected. The DRO results (26,200 mg/kg) are also above inhalation and ingestion soil cleanup levels. Additional contamination may underlay the site. There is known contamination upgradient from the site at the Galena AFS/Airport - POL tank yard, Site ST005. The ADOT &PF is proposing to close out the injection well in accordance with ADEC and EPA regulations.

Action Information

Action Date Action Description DEC Staff
7/31/2014 Spill Transferred from Prevention Preparedness and Response Program Spill transferred by PERP staff Ashley Adamczak. Spill no. 13309924602; spill date = 9/3/13; substance = unknown; quantity = unknown; source = underground injection well; PERP file no. 860.02.001. Mitzi Read
7/31/2014 Site Added to Database A new site has been added to the database Mitzi Read
7/31/2014 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79652 name: Class V Injection Well Mitzi Read
10/26/2016 Site Visit A site visit was conducted. The site is not used at this time. No work has been conducted by ADOT since the initial sampling conducted in June 2014. Dennis Shepard
12/11/2017 Update or Other Action Call with ADOT POC to discuss schedule for closing the UIC class V well on the site. ADOT is currently looking for funding to complete the closure. Dennis Shepard
1/4/2019 Update or Other Action Emailed ADOT and requested an update on the status of this site. The previous entry indicates that as of late 2017, ADOT was attempting to acquire funding to properly close out the UIC Class V well at the site. Jamie McKellar

Contaminant Information

Name Level Description Media Comments

Control Type

Type Details


Description Details

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