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Site Report: King Salmon AS DA031 Barrel Dump

Site Name: King Salmon AS DA031 Barrel Dump
Address: Mile 5 Lake Camp Road, ~5 Road Mi E of King Salmon Air Station, King Salmon, AK 99613
File Number: 2569.38.014.03
Hazard ID: 4519
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 58.664067
Longitude: -156.546558
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

The site is a former barrel dump located approximately 5 road miles east of the KSAS on Lake Camp Road. The site is not on Air Force owned land but on a gravel pit owned by Paug-Vik Incorporated. Numerous 55 gallon drums were located throughout the site with Air Force markings on them. Two separate areas have been identified within the DA031 site designation: DA031-DR1 and DA031-DR2. Approximately 25 drums were found at DA031-DR1 some of which still contained liquid asphalt material. One drum had leaked and samples were collected from beneath the release. The samples returned results above the cleanup levels near the surface, but results were below cleanup levels at 18-24" below ground surface. Buried debris was located with a magnetic survey on the eastern and southern portion of the site. At DA031-DR2 several rusted and crushed drums were found on the side of the gravel pit. When soil samples were collected in 2006, DRO and RRO were detected in all samples below cleanup levels. Two boreholes were installed in 2009; no cleanup level exceedances in the boreholes, but iron was detected above cleanup levels in the groundwater at MW-04. The Air Force believes the exceedance of iron may be due to natural occurrences of iron at the site, and is not affecting public or private drinking water wells. The drums at DR2 are unsightly, but do not appear to have impacted soils or groundwater in this area. During a 2014 removal action, twenty-five drums containing asphalt/tar and eight drums containing waste oil were removed from DA031-DR1 and were shipped offsite for disposal, along with twelve drums containing asphalt/soil; this amounted to a total of 45 drums removed from DR1. Eighty-four cubic yards of POL-contaminated soil were excavated after the drums were removed. Eleven confirmation samples were collected from the floor and sidewalls of the excavation. All results were below cleanup levels, and the excavated area was backfilled with clean soil.

Action Information

Action Date Action Description DEC Staff
12/10/2007 Site Added to Database Site added to the database. Mitzi Read
12/12/2007 Exposure Tracking Model Ranking Initial ranking with ETM completed. Jonathan Schick
10/15/2008 Update or Other Action ADEC provided comments on the Draft Work Plan for Multi-Site Inspection at several sites at the King Slamon Air Station. Jonathan Schick
10/21/2008 Site Visit ADEC staff took part in a site visit to a number of pertinent sites at King Salmon Air Station over a 2 day visit. Sites, especially the pending Multi Site Inspection sites, were inspected for any visible evidence of contamination and potential sampling locations as the work plans are still being formulated. ADEC staff was accompanied to all of the sites by the Project managers from the USAF and thier contractors. A Restoration Advisory Board meeting was held during the site visit. The topics discussed included the most recent basewide monitoring program, a discussion of the Multi-SIte inspection project, an update on the status of the Groundwater Zone 5 Records of Decision, and a brief discussion concerning the TCE treatibility Study in Groundwater Zone 1. The next RAB meeting has been tentatively scheduled for April 21, 2009. Jonathan Schick
12/4/2008 Update or Other Action ADEC recieved response to comments on the Multi-Site Inspection Work Plan. Jonathan Schick
1/30/2009 Update or Other Action ADEC Staff recieved a copy of the Work plan, Field Sampling Plan, and Quality Assurrance Project Plan for the Mulit-Site Inspection at King Salmon. The Work Plan is dated January 27, 2009. The Field Sampling Plan and the Quality Assurance Project Plan are dated January 16, 2009. Jonathan Schick
10/26/2009 Site Visit ADEC staff traveled to King Salmon with the new RPM for the King Salmon Air Station to tour the sites and look at the excavations that were completed during the 2009 field season. Several sites were inspected and overall the sites appeared to be secured with orange snow fencing and visqueen covering the stockpiles to prevent ponding and migration of contaminants. While in King Salmon staff attended and participated in a Restoration Advisory Board Meeting to meet with the public of King Salmon and discuss the results from the latest round of base-wide sampling and to discuss the progress of the excavations that were conducted during the summer. Jonathan Schick
3/23/2010 Update or Other Action ADEC staff recieved a copy of the Draft Report for Mulitple Site Inspections which included reports from additional site investigatins at Sites DA031, DA034, SA036, DA037, SA039, SA043, and SA006. Work was performed by Paug-Vik and its subcontractors under the Environmental Restoration Program for the US Air Force. Jonathan Schick
1/28/2011 Update or Other Action Received Final "Multi-Site Inspection Report at KSAS" from US Air Force. Ground water contamination was not identified but POL contamination is present in and around the drum disposal areas. Cleanup is recommended. Guy Warren
9/26/2011 Document, Report, or Work plan Review - other Contaminated Sites Staff recieved a Draft version of the Drum Removal and Excavation Work Plan for DA031. The plan details this fall's prposed field work involving the removal of barrels that remain at the surface of the bluff at the site as well as excavting an area of impacted soil at the upper portion of the site. Jonathan Schick
9/26/2011 Document, Report, or Work plan Review - other Contaminated Sites Staff recieved a Draft version of the Excavation Work Plan for DA034. The plan details this fall's prposed field work involving the removal of barrels that remain at the surface of the bluff at the site as well as excavting an area of impacted soil at the upper portion of the site. Jonathan Schick
10/4/2011 Document, Report, or Work plan Review - other Contamianted Sites Staff submitted a letter to the Air Force's Remedial Project Manager regarding the Draft Work Plan for Excavation and Drum Removal at DA031. The plan did not offer a specific action level for the screening tools that were proposed to be used at the site to segregate the clean overburden soil from the impacted soil for disposal purposes. ADEC requested that an action level be determined and included in the plan before it can be finalized and implemented in the field. Jonathan Schick
12/6/2012 CERCLA Proposed Plan Submit comments to US Air Force on the Proposed Plan for DA031, DA034, and SA043. Comments were editorial in nature. Guy Warren
3/26/2013 CERCLA Proposed Plan Receive final Proposed Plan for site DA031, DA034 and SA043. A public meeting (RAB) will be held in April to discuss the proposed plan for these sites and to receive input from the affected public. Remedy for DA031 is to remove drums and impacted soil from the areas of concern. Guy Warren
4/22/2013 Site Visit Attend public meeting to discuss Proposed Plan for site DA031, DA034 and SA043. Guy Warren
8/22/2013 Update or Other Action Received Draft Decision Document for DA031, DA034, and SA043. Submit comments requesting modification to the text of the document. Remedy for DA031 is to remove drums and impacted soil from the areas of concern. Guy Warren
8/18/2014 Document, Report, or Work plan Review - other Submit comments to US Air Force on the Draft "Work Plans for 2014 Remedial Action Construction at King Salmon Divert". Comments were minor. Work is scheduled for 2014 and should complete the Decision Document required remedial action for this site. Guy Warren
9/2/2014 Document, Report, or Work plan Review - other Received Final Work Plan for 2014 Remedial Action Construction. Approval letter submitted 8/28/14 based on electronic submittal. Guy Warren
6/27/2016 Document, Report, or Work plan Review - other Approved the Final 2014 RA – Construction report. Excavation and drum removal work at this site has been completed, and it is recommended that site closure for DA031 be requested from ADEC. Holly Weiss-Racine
10/31/2016 Update or Other Action ADEC sent a letter requesting additional action on nine sites within the King Salmon Divert. DA031 was included requesting completion and implementation of the ROD. Holly Weiss-Racine
6/4/2019 Document, Report, or Work plan Review - other ADEC received the draft Remedial Action-Construction Report, Naknek River Tidal Zone, dated May 2019. This report details the remediation activities conducted at the Naknek River Tidal Zone (SS012), South Barrel Bluff (LF005), and SA039-DR16 sites, and the sampling of drums containing waste from past remedial activities that were stored in the Biocell/Landfarm Staging Area (drum contents were from DA031, SA036, SA039, FT001, and unknown sources). ADEC submitted comments on the draft report in a letter to the Air Force dated July 10, 2019. Sammi Castle
6/27/2019 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 75506 Drum Disposal. Sammi Castle
6/30/2019 Cleanup Complete Determination Issued Soil contamination at this site has been cleaned up to concentrations below the approved cleanup levels, and ADEC has determined that the contaminant concentrations remaining on site do not pose an unacceptable risk to human health or the environment. This site has received a 'Cleanup Complete' determination. A copy of the closure letter, which provides a summary of site conditions and cleanup actions taken at this site, is attached to this database. Sammi Castle
7/17/2019 Update or Other Action Site location was updated on this date. Coordinates for this site are used to determine the presence and position of the site on BLM’s ANCSA Conveyed Land web map. Rebekah Reams

Contaminant Information

Name Level Description Media Comments
DRO < Method 2 Most Stringent Soil
RRO < Method 2 Most Stringent Soil
GRO < Method 2 Most Stringent Soil

Control Type

Type Details
No ICs Required

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
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)

No associated sites were found.

Missing Location Data

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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
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