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Site Report: Fort Greely Evergreen Road POL Yard BRAC 102

Site Name: Fort Greely Evergreen Road POL Yard BRAC 102
Address: 6th Avenue West, Old Post Area, Fort Greely, AK 99731
File Number: 141.38.068
Hazard ID: 3846
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 63.985726
Longitude: -145.719293
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 Former Evergreen Road Petroleum Oil and Lubricants (POL) Storage Yard is also known as Base Realignment and Closure (BRAC) 102. The Evergreen Road POL Storage Yard was used as a drum storage area. In 1997, surface stains were investigated, and petroleum contamination above the cleanup level was found. Approximately 780 cubic yards of petroleum contaminated soil was removed from six areas at the site in 1999 and treated by thermal remediation. Maximum excavation depths were 15 feet. Confirmation sample results from all 6 excavation areas were below cleanup levels. In 2004, a soil gas survey was performed in the Old Post area, including the Evergreen Road POL Storage Yard site. Results indicated trichloroethylene (TCE) may be present at the site. In 2005, nine soil borings were installed and sampled to determine TCE concentrations in the soil. TCE was not detected in any of the soil samples.

Action Information

Action Date Action Description DEC Staff
7/1/1999 Update or Other Action In 1999 Fort Greely removed approximately 780 cubic yards of petroleum contaminated soil and moved it to the landfill for future treatment (landfarming? thermal?). Confirmation samples came back clean for petroleum but chlorinated solvents were not samples for. Emily Youcha
3/12/2001 Site Added to Database Petroleum contamination. Bruce Wanstall
11/7/2002 Update or Other Action Proposed Plan from SMDC pending. Greg Light
12/14/2004 Update or Other Action Re-ranked AHRM and site is now ranked as medium priority. Emily Youcha
12/14/2004 Update or Other Action During 2004 Old Post site investigation, trichloroethene (TCE) was detected during soil gas surveys and soil sampling. Screening levels indicate TCE concentrations in the upper 15 feet slightly exceed ADEC Method Two levels. Additionally, soil gas surveys detect total petroleum hydrocarbons (TPH) at the site. Further investigation will take place it this site (along with BRAC parcel 94). Emily Youcha
12/20/2004 Update or Other Action ADEC reviewed a report titled "Comprehensive evaluation of groundwater monitoring program Fort Greely, Alaska". The report discussed the existing monitoring network at Fort Greely and the parameters evaluated in ground-water sampling events. ADEC recommended additional investigation into infiltration and vertical hydraulic gradients. ADEC also recommended additional monitoring wells in the Old Post area and more ground-water monitoring at certain specific sites. Emily Youcha
5/25/2005 Meeting or Teleconference Held Staff conducted a site visit of Fort Greely. Summer fieldwork is underway and includes soil gas surveys, drilling and sampling several deep boreholes, and installation of at least two new monitoring wells. Staff also attended a RAB meeting where the general public received an update on site work for this and upcoming seasons. Emily Youcha
6/1/2005 Site Characterization Workplan Approved Staff approved workplans for 2004 soil gas surveys at this site (also known as Focus Area 2). Staff approved follow-up remedial investigation sampling at this site in sumer 2005. Soil borings will be drilled based on the results of the soil gas surveys and samples will be collected for VOCs and DRO/GRO/BTEX. The soil gas results from 2004 indicate the possible presence of TCE and TPH. There is concern that this site is the source of recently discovered ground-water contamination. A monitoring well will be installed at this site also. Emily Youcha
6/9/2005 Site Ranked Using the AHRM Changed the Confirmed Release field from 0.5 to 1 based on the samples results indicated in the 12/14/04 Update action Comments. Former Staff
6/10/2005 Site Number Identifier Changed Changed the Workplan from X1 to X9 because of a Hazardous Substance being the Primary Contaminant of Concern. Also had to change the Sequence Number to 02 from 01. Former Staff
8/26/2005 GIS Position Updated Coordinates obtained from RP. Emily Youcha
9/30/2005 Meeting or Teleconference Held Staff particpiated in a Restoration Advisory Board Meeting for Fort Greely on September 28. Emily Youcha
5/17/2006 Update or Other Action Staff reviewed the site characterization for boring 38 and 37 and the associated satellite borings. Samples were collected from soil boring 37 and analyzed for VOCs based on the results of the soil gas survey for this area. SB37 was drilled to 50 ft and samples were collected at 20, 25, 27, 35, and 50 ft bgs. Approximately 5 satellite borings were drilled and samples were collected at 20 and 30 ft bgs. TCE and PCE were generally non-detect, but often the detection limits slightly exceeded the migration to ground-water cleanup level. SB38 was drilled in an area of elevated soil gas for TPH. DRO/GRO/BTEX were not detected. Emily Youcha
11/28/2006 Update or Other Action Per project manager instructions assigning site new file number. Was 141.38.036, new number 141.38.068. Wendy Uzzell
12/5/2006 Meeting or Teleconference Held Ft. Greely interagency meeting held in Anchorage. The SMDC remedial project manager stated that a planning for a remedial strategy is underway, most likely either SVE or bioventing. Colin Craven
12/6/2006 Meeting or Teleconference Held RAB meeting held in Delta Junction. Topics covered are discussed above in the database action for Dec. 5, 2006. Colin Craven
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
1/7/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. 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
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
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
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
10/1/2015 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 74821 Former POL Drum Storage Yard. Melody Debenham
10/17/2016 Cleanup Complete Determination Issued Cleanup Complete letter for 6 sites at Ft Greely, including Evergreen Road POL Yard/BRAC Site 102. Melody Debenham

Contaminant Information

Name Level Description Media Comments
Trichloroethene < Method 2 Most Stringent Soil
DRO < Method 2 Most Stringent Soil
Benzene < 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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