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Site Report: Fort Greely Cold Region Test Center BRAC 75

Site Name: Fort Greely Cold Region Test Center BRAC 75
Address: Pine Road, Buildings 319 & 320, Fort Greely, AK 99731
File Number: 141.38.065
Hazard ID: 4195
Status: Active
Staff: Carly Jensen, 9072697558 carly.jensen@alaska.gov
Latitude: 63.981234
Longitude: -145.720524
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 Cold Regions Test Center former Modular Building is also identified as Base Realignment and Closure (BRAC) 75. A 100-gallon fuel spill occurred in 1988. Also, a heating oil release was identified at a fuel line next to the CRTC Engineering Modular Building near building 319 in 1995. The line was replaced and a release investigation was conducted by Hart-Crowser in 1996. DRO concentrations in soil up to 2300 mg/kg and ethylbenzene concentrations were up to 8.3 mg/kg at a depth of 25 feet. An additional investigation was conducted in 2007. Sample results were all below the migration to groundwater cleanup levels. Building was removed prior to 2003. The septic system, including the septic tank, the leach pit, and connective piping and valves, were removed in 2010. Confirmation sample results found arsenic above the migration to groundwater cleanup level in all samples. The arsenic levels were consistent with naturally occurring levels. No other contaminants were found above cleanup levels.

Action Information

Action Date Action Description DEC Staff
1/5/2006 Site Added to Database Site added to the database. Kim DeRuyter
11/27/2006 Update or Other Action Per project manager assigned file number. File number was 141.38.038, now 141.38.065. Wendy Uzzell
5/22/2007 Meeting or Teleconference Held Staff attended Interagency Coordination Meeting in Fairbanks. A summary of the past years and future remedial efforts was provided. Zachary Richter
5/23/2007 Meeting or Teleconference Held ADEC Staff attended a RAB meeting held in Delta Junction. The past years work at Fort Greely was summerized and future work projects were presented. Work at the North and South Tank Farms was highlighted. Zachary Richter
5/23/2007 Update or Other Action The Alaska Department of Environmental Conservation (ADEC) received the Groundwater Monitoring and Data Analysis Work Plan Fort Greely, Alaska on April 27, 2007. This work plan abides by the 2005 Final Work Plan with modifications to the wells and analytical parameters to be monitored particularly the addition of polycyclic aromatic hydrocarbon analysis at monitoring wells MW-12, MW-13, and MW-14. Additionally, the pump type used in sampling the monitoring wells will be changed by replacing the Grundfos Ready Flow pump with a QED Sample Pro 1.75 inch bladder pump and QED MP10 controller, or equivalent. All other sampling methodology will remain the same as the 2005 Final Plan. The final modification to the 2007 Work Plan is the addition of Volatile Organic Analysis/1,2-dibromoethane monitoring at drinking water wells ECP2 and ISFAC at the missile field. An updated list of wells to be monitored, and the parameter for analysis from each well, for upcoming sampling events has been provided to replace Table 5 of the 2005 Final Work Plan. ADEC has completed its review of this document and has found that the Groundwater Monitoring and Data Analysis Work Plan Fort Greely, Alaska for 2007 adequately meets the requirements set forth in 18AAC75.355, and with the addition of the previously agreed upon amendment, this work plan is approved. Zachary Richter
7/2/2007 Update or Other Action The Alaska Department of Environmental Conservation (ADEC) has completed its assessment of the environmental laboratory data and quality assurance requirements as set forth in ADEC Technical Memorandum 06-002 for the Groundwater Monitoring 2006 Analytical Data Report Fort Greely, Alaska, February 2007. The report adequately addresses the requirements set forth by ADEC for both laboratory data packages and Quality Assurance (QA) Summaries, therefore the report is approved. Zachary Richter
10/20/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 75165 name: auto-generated pm edit Fort Greely SMDC Former CRTC Modular Building Deborah Williams
11/5/2008 Meeting or Teleconference Held ADEC staff participated in the Restoration Advisory Board meeting for Fort Greely in Delta Junction. During the meeting, Glen Shonkwiler with the United States Army Space and Missile Defense Command presented the fieldwork that was completed during the 2008 field season at Fort Greely. The 2008 fieldwork included remediating the soil in the biocell at the South Tank Farm (STF); conducting further delineation of the subsurface soils at the STF; installing four groundwater monitoring wells in the Old Post area and downgradient of the STF; completing the investigation at the MOGAS fuel line in the Old Post area; conducting additional survey of the Jarvis Creek Munitions Burial site; and conducting additional investigation of the Building 675 vault. He also presented the work that was planned to be completed during 2009. Deborah Williams
10/21/2009 Document, Report, or Work plan Review - other ADEC staff reviewed the document titled Draft 2008 Groundwater Monitoring and Data Analysis Report, Fort Greely, Alaska, dated March 2009. The Fort Greely groundwater monitoring program consists of monitoring wells that were installed during investigation activities on FGA from 1997 to the present. DEC approved a comprehensive groundwater monitoring approach in the 2005 Work Plan. Yearly modifications to the 2005 workplan are incorporated as needed to address environmental program objectives. Monitoring well locations and sampling frequency have been chosen to provide site specific monitoring where necessary, and comprehensive coverage for the old post and main cantonment areas of Fort Greely. Currently, a total of 30 wells are included in the groundwater monitoring program: 11 of these are sampled during the spring and fall on even numbered years, two drinking water wells are sampled quarterly, and 17 monitoring wells are sampled semi–annually. This report summarizes the 2008 groundwater monitoring efforts. A letter detailing staff comments has been provided to the Army. Tana Robert
11/18/2010 Document, Report, or Work plan Review - other Approved work plan to remove the abandoned septic system at the former Cold Regions Test Center modular building. Melody Debenham
2/1/2012 Document, Report, or Work plan Review - other Approved the final report documenting removal of the septic system at the former Cold Regions Test Center. The 2,000-gallon septic tank, leach pit tank, connective piping, and all other related structures were removed. Confirmation samples were collected for gasoline, diesel, and residual range organics, volatile organic compounds, semi-volatile organic compounds, polychlorinated biphenyls, pesticides, and metals. Arsenic was detected above the cleanup level; however, it is within naturally occurring background levels at Ft. Greely. No other analytes were detected above their applicable cleanup levels. Melody Debenham
9/4/2013 Document, Report, or Work plan Review - other Approved the final groundwater sampling work plan for Ft. Greely. As part of the multi-year, post-wide groundwater monitoring program, groundwater samples will be collected from 35 wells. Melody Debenham
4/29/2015 Meeting or Teleconference Held Attended Restoration Advisory Board Meeting. Proposed work in 2015 includes post-wide groundwater monitoring, decommissioning unused monitoring wells, developing a Land Use Control and Long Term Maintenance Plan, and completing propose plans/no further action documents for 51 sites. Melody Debenham
8/28/2015 Document, Report, or Work plan Review - other Approved the Final 2014 Groundwater Monitoring and Data Analysis Report documenting the 2014 post-wide groundwater monitoring activities at Fort Greely. Analytical results from four monitoring wells at the BRAC 94 site were above cleanup levels for diesel range organics, gasoline range organics, and/or benzene. Results from one monitoring well at the South Tank Farm site were above the cleanup level for ethylene dibromide. All other results were either non-detect or below the cleanup level, including all supply well results. Melody Debenham
8/28/2015 Document, Report, or Work plan Review - other Approved the Final 2015 Groundwater Monitoring and Data Analysis Work Plan Addendum for long-term post-wide groundwater monitoring at Fort Greely. Groundwater samples will be collected from 25 monitoring wells and 5 supply wells. Melody Debenham
10/8/2015 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 75165 auto-generated pm edit Fort Greely SMDC Former CRTC Modular Building. Melody Debenham

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