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Site Report: FAA Lake Minchumina Drums

Site Name: FAA Lake Minchumina Drums
Address: FAA Lake Minchumina, Lake Minchumina, AK 99757
File Number: 225.38.001
Hazard ID: 722
Status: Active
Staff: Tim Sharp, 9074512131 tim.sharp@alaska.gov
Latitude: 63.882770
Longitude: -152.312190
Horizontal Datum:

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

Unknown quantities of herbicides, DDT, fuels, small spills of various materials. DDT, 2,3,7,8-TCDD (dioxin) detected in soil and aldrin in nearby domestic wells and surface water in 1987. Dates of release, extent of contamination unknown. Former drum storage area covered with plastic and wastes placed in overpack drums on unknown date. Wayne Eberhardt is FAA contact person. EPA ID #AK7690590032. *Cleanup of site being addressed through RCRA Corrective Action Program. Last staff assigned were Cormack and Sundet. (rpltr4.1)

Action Information

Action Date Action Description DEC Staff
7/22/1987 Notice of Violation NOV issued for violations associated with the improper labeling, storage, and disposal of hazardous wastes. Jeff Mach
11/13/1987 Preliminary Assessment Approved Site assessment by Ecology and Environment. Soil samples from drum storage area indicated up to 1,400,000 ppb 4,4-DDT and 49 ppb 2,3,7,8-TCDD. Aldrin was detected in three domestic water wells and two surface water samples in the area up to 0.08 ppb. Jeff Mach
8/3/1988 Update or Other Action (Old R:Base Action Code = FI - Field Inspection (General)). Joint site inspection by I. Alexakos of the EPA and J. Mach of ADEC indicated 28 drums of herbicide and herbicide/PCB contaminated soil are cached on the airstrip apron. Old drum storage area is fenced off and contains numerous 55 gallon drums of herbicide and some unlabeled drums. Herbicide odor was apparent as was soil staining. A few unlabeled drums are outside the fenced area. Several hundred empty drums of petroleum were found in the woods near the airstrip dating back to WWII. Jeff Mach
8/31/1988 Update or Other Action (Old R:Base Action Code = RAPR - Remedial Action Plan Review (CS)). Draft technical work plans prepared by Peer Consultants. Jeff Mach
12/1/1988 Update or Other Action FAA prepared contingency plan to satisfy portion of compliance order issued 11/7/88 by EPA. Plan dated December 1988. Jeff Mach
2/1/1989 Site Characterization Report Approved (Old R:Base Action Code = SI - Site Investigation). RCRA Facility Investigation, Description of Current Conditions prepared by Ecology and Environment. Summary of present and past hazardous wastes and contamination on site. Multiple potential contaminant source areas. Summary of past analytical data indicate up to 10,000 ppm 2,4-D, 0.049 ppm 2,3,7,8-TCDD, 1400 ppm DDT, and other pesticides/herbicides. William McGee
2/1/1989 Update or Other Action FAA Waste Analysis Plan submitted to satisfy part of compliance order. William McGee
2/8/1989 Update or Other Action Revised contingency plan submitted by FAA to satisfy part of compliance order. William McGee
2/13/1989 Update or Other Action Progress report on remedial action activities associated with compliance order. William McGee
3/1/1989 Update or Other Action (Old R:Base Action Code = SI - Site Investigation). Draft Toxic/Hazardous Waste Cleanup Closure and Post Closure Recommendations prepared by Peer Consultants. Soil samples within drum storage area indicated up to 2800 (?units) DDT. Groundwater samples indicated up to 0.15 ppb delta-BHC and 2.7 ppb endosulfan II. Groundwater samples contained up to 12.21 ppb methylene chloride. William McGee
5/26/1989 Update or Other Action (Old R:Base Action Code = RAPR - Remedial Action Plan Review (CS)). FAA work plan to evaluate corrective measures and corrective action alternatives. William McGee
6/30/1989 Update or Other Action (Old R:Base Action Code = RAPR - Remedial Action Plan Review (CS)). Revised interim measures plan submitted by FAA. Plan outlines removal of hazardous wastes and contaminated soil, and groundwater monitoring guidelines. William McGee
8/1/1989 Update or Other Action (Old R:Base Action Code = RAPR - Remedial Action Plan Review (CS)). Work plan prepared by Ecology and Environment. Dated August 1989. William McGee
9/7/1989 Update or Other Action (Old R:Base Action Code = FI - Field Inspection (General)). RCRA Hazardous Waste Compliance Evaluation Inspection Report. Inspection by R. Cormack of ADEC and B. Adams of EPA. Inspection report indicates 200 drums of wastes stored in overpack containers in building. Herbicide contaminated area in former outdoor drum storage area was covered with plastic. Water well supplying water for FAA facility is equipped with carbon filter. William McGee
10/1/1989 Update or Other Action (Old R:Base Action Code = RAPR - Remedial Action Plan Review (CS)). Closure and Post Closure Plan prepared by Peer Consultants. William McGee
2/1/1990 Update or Other Action (Old R:Base Action Code = SI - Site Investigation). Interim report prepared by Ecology and Environment summarizes site conditions and indicated soil contamination by a variety of pesticides/herbicides, dioxin, and volatile organic compounds. Dated February 1990. William McGee
11/1/1990 Update or Other Action (Old R:Base Action Code = RAPR - Remedial Action Plan Review (CS)). RCRA Storage Units Closure Plan prepared by Ecology and Environment. Dated November 1990. William McGee
12/26/1990 Site Ranked Using the AHRM Initial ranking. William McGee
2/23/1993 Update or Other Action (Old R:Base Action Code = RPL2 - Site Information Request Letter). Sent PRP-CS Database Notification Letter to RP requesting update and more environmental information concerning the contaminated site. RP responded with corrections on ADEC site report. Jeff Peterson
5/4/1993 Site Characterization Workplan Approved (Old R:Base Action Code = SI - Site Investigation). EPA completed review of RCRA Facility Investigation (RFI) report for this site and has determined from their evaluation and based on the RCRA approved removal of contaminated sources a recommendation of no further remedial action planned (NFRAP). Jackie Dupee
1/25/1994 Site Added to Database Unknown quantities of herbicides, DDT, fuels, small spills of various materials. Jackie Dupee
6/1/2000 Update or Other Action Environmental Assessment and Finding of No Significant Impact for FAA Environmental Restoration, Lake Minchumina Station, Alaska. Eileen Olson
1/14/2002 Update or Other Action See FAA Lake Minchumina for updated database information. Elizabeth Stergiou
9/4/2003 Update or Other Action ADEC approved the workplan for the Fall 2003 Sampling and Analysis Plan for various sites. Deborah Williams
11/17/2011 Update or Other Action File review ordered at the request of Dept of Natural Resources Fred Vreeman
11/29/2011 Meeting or Teleconference Held Report to DNR with site summary and recommendation to proceed with selection. Fred Vreeman
3/27/2012 Meeting or Teleconference Held Meeting with FAA to discuss and approve future plans for Minchumina property. The FAA plans to continue to own 10 of our 750 acres, and transfer the other 740. ADOTPF wants some and FAA is not sure who selected the rest. The 10 acres include the landfarm. stockpiles, former building locations etc, basically the main area the FAA occupied at Minchumina. Work at site will continue. Schedule will be submitted annually. Fred Vreeman
9/15/2014 Update or Other Action Verified site is on list for work in FY16. Fred Vreeman
8/7/2015 Update or Other Action Funding in FY15 was used for high priority remediation projects. Request sent this day to FAA asking for status update on Minchumina. Fred Vreeman
4/26/2016 Update or Other Action Site reassigned for follow up by project manager Fred Vreeman
2/11/2020 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 71701 name: auto-generated pm edit FAA Lake Minchumina Drums Tim Sharp
6/7/2021 Site Visit DEC visited the site and observed the stockpiles being consolidated into the landfarm area, the remediated soil backfill material stockpile, and all other AOCs at the site. Building 300/600 contamination was summarized and will be added as a new source area. The Former Drum Storage Area was examined and no drums or contaminated soil was apparent, and will be assessed for closure determination. Other previously closed sites were observed, and photos were taken and uploaded to the site file. Tim Sharp
9/17/2021 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 71701 auto-generated pm edit FAA Lake Minchumina Drums. Tim Sharp
10/3/2022 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 71701 auto-generated pm edit FAA Lake Minchumina Drums. Tim Sharp
1/5/2023 Document, Report, or Work plan Review - other DEC received and reviewed the Draft 2022 Report for FAA Minchumina Soil Removal and Treatment. The report details excavation of petroleum-contaminated soil, landfarming operation and maintenance activities, and sampling of previously remediated soils for dioxins. The top foot of the landfarm was remediated in 2022 and is below applicable cleanup levels. Dioxins were detected in all samples collected but were all below cleanup levels. There is extensive petroleum contamination remaining in soils at several areas of concern, including the Former Building 600, “Hot Spots” 1-5, and at the petroleum, oils, and lubricants (POL) 1,2,4 excavation limits. Tim Sharp
1/24/2023 Document, Report, or Work plan Review - other DEC approved the Final Lake Minchumina 2022 Soil Removal and Treatment Report. Tim Sharp
2/23/2024 Document, Report, or Work plan Review - other DEC provided comments for the FAA Lake Minchumina Draft 2024 Site Investigation/Remedial Investigation/Landfarm Operations Work Plan. The work plan involves addressing nine areas of concern at the site, including by landfarming treated soil, investigating lead and polychlorinated biphenyl (PCB) paint impacts, investigating several areas of petroleum, oils, and lubricants (POL) impacts, and installing and sampling groundwater wells, among other activities. Tim Sharp

Contaminant Information

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Description Details

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