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Site Report: City of Tanana Former Tanana Power Company Landfarm

Site Name: City of Tanana Former Tanana Power Company Landfarm
Address: Tanana Landfill; Dump Road; ~1 Mile W of W End of Airport Runway, Tanana, AK 99777
File Number: 780.38.015
Hazard ID: 26425
Status: Active
Staff: Breanna Mahoney, 9072697503 breanna.mahoney@alaska.gov
Latitude: 65.179706
Longitude: -152.165926
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

In 2013 and 2014, the City of Tanana placed approximately 2,800 cubic yards of contaminated soil from the former Tanana Power Company contaminated site (Hazard ID 3946, file no. 780.38.014) at a landfarm constructed at the City of Tanana landfill. The material was generated during excavations for two new City of Tanana structures at the former Tanana Power Company contaminated site (closed with institutional controls in 2012). The City of Tanana project was funded under the DEC Brownfield Assessment and Cleanup program. The City of Tanana committed to managing the landfarm. The landfarm has two cells, one larger cell (23,300 square feet) generated in 2013 and another smaller cell (8,000 square feet) generated in 2014. Diesel range organics (DRO) in the larger cell ranged from 1,490 mg/kg to 11,700 mg/kg. The larger cell had benzene concentrations up to 0.0292 mg/kg. In the smaller cell, DRO ranged from 11,800 mg/kg to 22,400 mg/kg and benzene concentrations were detected at up to 0.0257 mg/kg.

Action Information

Action Date Action Description DEC Staff
6/24/2013 Brownfields Award Received approval from EPA clearing site for assessment services. FY 2014 EPA STRP funds $37,805 awarded to the City of Tanana for a workplan development with soil sampling on Tanana Former Tanana Power Company and New City Building. NTP 18803603007. Associated Brownfield file #780.57.003 not in database. Funding was for associated original file, Tanana Power Company 780.38.014, and is being tracked by this landfarm file. Cascade Galasso-Irish
2/21/2014 Brownfields Award FY 2015 EPA State and Tribal Response Program (STRP) funds $91,197 awarded to the City of Tanana for additional excavation and landfarming impacted soils at the Tanana Power Company. NTP# 18803603007D. Original brownfield awarded to associated site, Haz ID 3946. See original file 780.38.014 and associated brownfield file 780.57.003 for details. Cascade Galasso-Irish
7/28/2015 Update or Other Action Letter sent to City of Tanana requesting information on current site conditions of the Tanana Former Power Company site (ADEC File No. 780.38.014) and notifying the City that a separate site would be opened to track the landfarming of the 2,800 CY of contaminated soil (780.38.015). ADEC also requested a description of the tilling activities, and a work plan for continued tilling and collecting of samples from the landfarm. Lisa Griswold
7/31/2015 Site Added to Database A new site has been added to the database Mitzi Read
8/3/2015 Potentially Responsible Party/State Interest Letter Lisa Krebs-Barsis
8/4/2015 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79794 name: Landfarm Lisa Krebs-Barsis
12/27/2016 Update or Other Action ADEC requested an update on the remedial actions or cleanup progress of the soils in the landfarm. Lisa Griswold
2/10/2017 Update or Other Action City of Tanana notified ADEC the landfarm was roto-tilled on May 8, 2016; July 5, 2016; and September 4, 2016. Lisa Griswold
4/13/2018 Update or Other Action Tanana City Manager informed ADEC that the City landfarm was tilled multiple times during 2017. Lisa Griswold

Contaminant Information

Name Level Description Media Comments

Control Type

Type Details

Requirements

Description Details

There are no documents for this site report.

Hazard ID Site Name File Number
3946 Tanana Power Company 780.38.014
116 IHS Tanana Health Center 780.38.003

Missing Location Data

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