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Site Report: Fort Wainwright Training Area TA-101 MMRP

Site Name: Fort Wainwright Training Area TA-101 MMRP
Address: Southwestern Portion of Cantonment Area, 342 Acres, Fort Wainwright, AK 99703
File Number: 108.38.102
Hazard ID: 25439
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 64.825358
Longitude: -147.696898
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

Training Area (TA) 101 consists of approximately 341.62 acres located in the southwestern portion of U.S. Army Garrison Alaska Fort Wainwright. TA-101 includes a training range which consists of a former troop training and bivouac area (used from 1942 – 1972), and a former Anti-Aircraft Artillery (AAA) site. In 2007, approximately 46.82 acres was removed from the site for investigation under Operable Unit (OU)-6 Former Communications Site (see ADEC File Number: 108.38.085, Hazard ID: 4140). A historical records review (HRR), a site investigation in 2007 and a remedial investigation in 2010 were all completed. The investigations involved instrument aided visual surveys, digging test pits and trenches to investigate anomalies and analytical soil sample collection. Analytical soil samples were collected and analyzed for explosives, mercury and metals. From the surface and subsurface investigations, no munitions environmental constituents (MEC) and munitions debris (MD) were encountered. Analytical results were below ADEC method two cleanup levels. The corresponding Army HQAES site number is 02871.1080.

Action Information

Action Date Action Description DEC Staff
11/15/2006 CERCLA PA The Final Historical Records Review, Fort Wainwright, Fairbanks Alaska, November 2006 was received. Former Staff
8/3/2009 Site Added to Database A new site has been added to the database Mitzi Read
8/6/2009 Meeting or Teleconference Held Based on preliminary findings from digging magnetic anomalies, staff concurred there was no MEC risk and did not object to the construction of housing beginning. Note that this only applies to the Gertsch Heights portion of the site. Debra Caillouet
8/10/2009 Document, Report, or Work plan Review - other Staff received an email from EPA stating "After review of the RI data, EPA approves construction on this site. We agree that the site is "No further Action"." Note that this only applies to the Gertsch Heights portion of the site. Debra Caillouet
5/11/2010 Document, Report, or Work plan Review - other Staff recieved a response to comment sent in September 09. The response and revised draft report are accepted. This site is non-qualifying. Debra Caillouet
8/6/2010 Document, Report, or Work plan Review - other The Military Munitions Response Program, Various Sites, Fort Wainwright Draft Remedial Investigation Work Plan, June 2010 was reviewed and significant comment sent to the Army. Debra Caillouet
10/13/2010 Document, Report, or Work plan Review - other Military Munitions Response Program, Remedial Investigation Work Plan, Various Sites Fort Wainwright Alaska, September 2010 was received. Debra Caillouet
1/3/2011 Document, Report, or Work plan Review - other Military Munitions Response Program, Remedial Investigation Work Plan,Various Sites, Fort Wainwright, Alaska Final October 2010, received on December 30,2010. As the plan was received after the contractor began work, DEC will place this in the file for future reference. Debra Caillouet
11/9/2011 Update or Other Action Doyon Utilities Feeder 15 Project J101458, Ft Wainwright, No Contamination Encountered, September 28, 2011 Debra Caillouet
3/2/2012 Document, Report, or Work plan Review - other Draft Military Munitions Response Program, Remedial Investigation Report, Various Sites, Fort Wainwright, February 2012 ADEC has serious concerns about the validity of the investigation. As you are aware the work was done without an approved work plan. The investigation did not follow the final work plan that was provided to ADEC. ADEC does not support the conclusion that No Further Action is required at these sites based on this report. Debra Caillouet
4/22/2013 Cleanup Complete Determination Issued Revised Final Military Munitions Response Program, Remedial Investigation Report, Various Sites, Fort Wainwright Alaska, April 2013 The Alaska Department of Environmental Conservation received the Revised Final MMRP Remedial Investigation Report for Training Area 101, Training Area 105. Donnelly Training Area Rifle Range and the Arctic Survival Area on April 19, 2013. This report incorporates acceptable responses to previously supplied comment and is approved. And ADEC concurs with the recommendation for No Further Action at these four sites. Debra Caillouet
6/12/2017 Update or Other Action The site was investigated under the Military Munitions Response Program. No munitions constituents of concern or unexploded ordinance were identified, therefore the site was previously determined cleanup complete. However, the U.S. Army is completing the CERCLA process to get a no further action Record of Decision for the site. Dennis Shepard
6/13/2017 CERCLA Proposed Plan DEC approved the Proposed Plan, Three Military Munitions Response Program Sites, FTWW-001-R-01, FTWW-002-R-01, FTWW-004-R-01, Fort Wainwright, Alaska. The Proposed Plan documents the U.S. Army’s preferred alternative (no further action)for three Munitions Response Sites (MRSs) associated with Fort Wainwright, Training Area 101 (TA- 101), Training Area 105 (TA-105), and Arctic Survival Area (ASA). Dennis Shepard
5/17/2018 Update or Other Action The Army held a public meeting at the Pike's Waterfront Lodge in Fairbanks, Alaska to discuss the Proposed Plans for Training Area 101 Military Munitions Response Program (MMRP) site, Training Area 105 MMRP site, and the Arctic Survival Area (ASA) site. The meeting was to provide an opportunity for the general public to ask questions or raise any potential concerns about the 3 MMRP sites being recommended for No Further Action. Erica Blake
1/11/2019 Site Reopened This site was closed based on a recommendation for No Further Action in a 2013 Remedial Investigation report. Currently, there is a Proposed Plan and a Record of Decision (ROD) being finalized for ‘No Further Action’ at the Training Area (TA)-101, TA-105, Arctic Survival Area (ASA), and Donnelly Training Area (DTA) Military Munitions Response Program (MMRP) sites. Once the RODs are signed by the U.S Army and DEC, these sites will be re-evaluated for closure, and closure letters written and submitted prior to the site going to a Cleanup Complete determination. Erica Blake
1/27/2020 CERCLA ROD Approved DEC approved the Final Record of Decision (ROD) Defense Environmental Response Program, TA-101, TA-105 and Arctic Survival Area (ASA) (dated October 2019). The selected remedy for the three military munitions sites is for No Further Action under the Comprehensive, Environmental Response, Compensation, and Liability Act (CERCLA). Co-located petroleum, oil, and lubricants (POL)/Hazardous, Toxic, and Radiological Waste (HTRW) sites will be cleaned up under State of Alaska regulations (18 AAC 75). Erica Blake
11/9/2020 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79445 name: Training Area Erica Blake
3/2/2021 Cleanup Complete Determination Issued DEC has completed a review of the environmental records associated with the Fort Wainwright Training Area TA-101 MMRP along the southwestern portion of Fort Wainwright, Alaska (FWA). Based on the information provided to date, it has been determined that the contaminant concentrations remaining on site do not pose an unacceptable risk to human health or the environment and no further remedial action will be required unless information becomes available that indicates residual contaminants may pose an unacceptable risk. A cleanup complete determination letter has been sent to FWA. Erica Blake
3/2/2021 Institutional Control Record Removed Institutional Controls have been removed. Erica Blake

Contaminant Information

Name Level Description Media Comments
Barium < Method 2 Most Stringent Soil Barium was detected at 1,400 milligrams per kilograms, which is below the most stringent method two cleanup level for 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)
Hazard ID Site Name File Number
4140 Fort Wainwright (OU-6) Taku Gardens (102 Comm. Site) FTWW-102 108.38.085

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
TDD: 800-770-8973
Physical Location: 410 Willoughby