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Site Report: ADOT&PF Slana Maintenance Station Class V Injection Well


Site Name: ADOT&PF Slana Maintenance Station Class V Injection Well
Address: 60 Mile Tok Cut Off, then 1/2 mile down the Nebesna Road, Slana, AK 99586
File Number: 212.38.003
Hazard ID: 26927
Status: Active
Staff: Michael Hooper, 9074515174 michael.hooper@alaska.gov
Latitude: 62.707519
Longitude: -143.978239
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 June 2010, the Alaska Department of Transportation and Public Facilities (ADOT&PF) had contractors investigate one injection well (SL-IW-4) at the Slana Maintenance Station. One boring was advanced in the estimated proximity of the septic tank and north of the original leach field. The investigation was determined to be insufficient to characterize the site. There are potentially other active injection wells at the site that will require investigation. In 2018, ADOT&PF initiated activities to address all injection wells, to include excavation, inspection, and removal of gross contamination. Upon completion of this work, three injection wells were described, as IW4, IW5 and IW6. IW's 4 and 5 are connected and could be deemed a single system, and were located south of the M&O facility. IW6 was located adjacent to the SW corner of the building and consisted of a buried perforated drum. Contamination was identified and gross visible contamination was excavated and removed at the time of IW decommissioning.

Action Information

Action Date Action Description DEC Staff
9/24/2018 Site Added to Database A new site has been added to the database Mitzi Read
12/7/2018 Update or Other Action Site status changed to Active based on Site Characterization results during injection well decommissioning. Primary contaminant remaining following injection well decommissioning is DRO below human health levels, but above MTGW cleanup levels. Groundwater is estimated at 80 feet below grade. John Carnahan

Contaminant Information

Name Level Description Media Comments

Control Type

Type Details

Requirements

Description Details

There are no documents for this site report.

Missing Location Data

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