| Action Date |
Action |
Description |
DEC Staff |
| 10/7/1992 |
Preliminary Assessment Approved |
Received "Preliminary Assessment, Fort Greely, Alaska, Draft" prepared by CH2M Hill to determine source areas for CERCLA. |
Former Staff |
| 1/25/1994 |
Site Added to Database |
|
Former Staff |
| 5/16/1994 |
Update or Other Action |
(Old R:Base Action Code = RPL2 - Site Information Request Letter). Sent PRP-CS Database Notification Letter to Cristal Fosbrook requesting update/confirmation of information concerning the contaminated site. |
Jeff Peterson |
| 1/4/1995 |
Site Ranked Using the AHRM |
Initial ranking. |
Jeff Peterson |
| 11/17/2000 |
Update or Other Action |
Site has been investigated under the BRAC process and the Army has proposed NFA for the site. |
Greg Light |
| 12/14/2004 |
Update or Other Action |
In 1997/1998 samples showed elevated benzo(a)pyrene up to 0.31 mg/kg and arsenic up to 47.8 mg/kg. However, the benzo(a)pyrene detections were below ADEC Method Two cleanup levels. Background sampling in 1999 determined that the detected arsenic concentrations were representative of background. |
Emily Youcha |
| 12/14/2004 |
Update or Other Action |
ADEC received a decision document for this site. The SMDC proposes site will be placed in the compliance program and the drywell will be closed out following EPAs UIC Program. After the well is closed, No Further Action will be requested for this site. |
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 recieved an update on site work for this and upcoming seasons. |
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 |
| 5/22/2007 |
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 |
| 3/25/2008 |
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 |
| 5/25/2010 |
Document, Report, or Work plan Review - other |
The dry well at Building 628 was removed by excavation on August 26, 2009. |
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 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 |
| 10/21/2015 |
Exposure Tracking Model Ranking |
A new updated ranking with ETM has been completed for source area 72693 West drum storage area. |
Melody Debenham |
