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Site Report: Fort Greely SMDC P.103 Fmr Bldg 157

Site Name: Fort Greely SMDC P.103 Fmr Bldg 157
Address: East of Building 351, Laundry Building, Fort Greely, AK 99731
File Number: 141.38.036
Hazard ID: 3699
Status: Cleanup Complete - Institutional Controls
Staff: Erica Blake, 9074512182 erica.blake@alaska.gov
Latitude: 63.987664
Longitude: -145.718883
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

Building 157 (BRAC Site 103) was a laundry and dry cleaners on the Old Post. The building was demolished in the late 1960s, however two underground storage tanks(number 400 and number 398) were left in place. The tanks were removed in 1998. During removal, approximately 140 cubic yards of diesel contaminated soil was removed from the tank 400 location and transported off site for treatment. Sampling from the limits of the excavation indicate that contaminated soil was left in place with a maximum concentration of 2,700 mg/kg for diesel range organics. Tank 398 was determined to be a recycled pressure vessel with holes cut into the bottom. It is believed that Tank 398 was used as a dry well for disposal of dry cleaning actities in Building 157. No indications of contamination were observed during the removal of Tank 398. Confirmation samples from the Tank 398 excavation were analyzed for gasoline, diesel, and residual range organics, volatile organic compounds, metals, and polychlorinated biphenyls. Confirmation sample results were all below cleanup levels. Additional sampling was performed at the tank 400 area in September 1998 to determine the lateral and vertical extent of remaining contamination. Three soil borings were installed randing from 30 to 40 feet in depth. Sample results from the borings were all below the cleanup levels. In 2004, the site was part of a large passive soil gas survey. Soil gas modules were placed on a 50-foot grid over the former building location and surrounding area. Total petroleum hydrocarbons and volatile organic compounds were detected below action levels. This site was closed under the Final Record of Decision, Nine Installation Restoration Program Sites, Fort Greely, Alaska, dated August 2009.

Action Information

Action Date Action Description DEC Staff
2/8/2001 Site Added to Database Diesel fuel. Bruce Wanstall
11/7/2002 Update or Other Action Proposed Plan from SMDC pending. Greg Light
10/1/2004 Institutional Control Record Established In the October 2004 Draft Decision Document Fact Sheets, administrative controls (ACs)were established in order to minimize risk to human health and the environment. The site is included in the post’s Geographic Information System (GIS), a tool used in the Dig Permit process for notifying contractors, workers, and base personnel of the potential for contamination to exist at this site. The Dig Permit process is used to prevent installation of water production well(s) through the contaminated area, and prevent removal of contaminated material from the site to off-base locations or to environmentally sensitive areas. If future land disturbance activities at the site encounter contamination, the contaminated material encountered will be properly remediated or disposed of in accordance with applicable regulations. The site will be included in 5-year reviews to periodically verify compliance with the ACs. Emily Youcha
12/14/2004 Update or Other Action Staff received a "memorandum for record" factsheet from SMDC on this site. SMDC proposes administrative controls and historical documentation review. Alternative cleanup levels (ACLs) may be proposed for this site. Emily Youcha
12/14/2004 Update or Other Action Results of the 2004 passive soil gas study indicate no TCE or PCE contamination at this site. Emily Youcha
4/12/2005 Update or Other Action In the 2005 Site Characterization Workplan, it was determined that Unknown Tank No. 398 is likely to be the drywell at Building 157. Previous investigations during the removal of Tank No. 398 indicate low contamination along the edges of the excavation up to 7.2 mg/kg and RRO up to 15.9 mg/kg. Previous investigations in 1997-1998 indicate contamination from Tank No. 400, which was removed along with 136 cu. yds. of soil, remains at the site with DRO up to 2,700 mg/kg and BTEX ranging from 0.48-0.56 mg/kg. ADEC concurred with no further site characterization needed at the site. 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
8/26/2005 GIS Position Updated Coordinate updated from GIS Arc Reader aerial photograph. Emily Youcha
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
3/27/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. Deborah Williams
8/12/2008 Site Characterization Workplan Approved ADEC approved Fort Greely's Compliance and IRP workplans for the 2008 field season. The following sites will be addressed during the 2008 field season: Compliance: MOGAS/DFA Fuel Line Site (BRAC Sites 92, 94, 96, 97, 98, 99, 100 and 134), Building 612 (BRAC 135) Dry Well, Bldg 628 (BRAC 57) Dry Well, Bldg 157 (BRAC 103) Dry Well, Bldg 675 (BRAC 54) Dry Well, Preconstruction Survey at the Proposed Community Activity Center (CAC) and Active POL Farm Valve Pit Site (Bldg 617). IRP: BRAC Site 85N, 85S, and 133, including Soil Boring 41/MW 10 Area, South Tank Farm, Former Laundry Facility at Bldg 675 (BRAC Site 54). Deborah Williams
2/3/2009 Meeting or Teleconference Held Contaminated Sites (CS) staff met with Glen Shonkwiler, US Army Space and Missile Defense Command/US Army Forces Strategic Command (SMDC/ARSTRAT), February 3. A draft decision document titled “Record of Decision for Nine Installation Restoration Program Sites Fort Greely, Alaska” (ROD) was discussed. CS staff communicated recommendations addressing changes proposed by SMDC on two of the nine sites. These changes differed from the “Proposed Plan” that was released to the public in June, 2008. Comments are being prepared and briefing documents updated to address the Draft ROD. Mr. Shonkwiler also discussed several sites that were evaluated and sampled in 2008 that may be included in another decision document this year. Future planning for remediation work at some sites was also discussed. Tana Robert
4/3/2009 Update or Other Action The Draft Record of Decision Nine Installation Restoration Program Sites Fort Greely, AK (December 2008) document review comments letter has been submitted to the Army contact, Glen Shonwiler. The nine sites include two sections of the nuclear reactor wastewater pipeline (BRAC sites 90 & 132), a petroleum spill site along the wastewater pipeline (Station 21 + 25), three old unpermitted landfills(BRAC sites 31, 32 & 88), USTs at a former laundry facility (BRAC site 103), a waste drum storage area (BRAC site 48), and an active refuse burn pit (BRAC site 89). 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
4/30/2014 Site Visit Site visit as part of the 5 year review. No concerns identified. Melody Debenham
6/4/2014 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 74674 Former USTs. Melody Debenham
6/5/2014 Cleanup Complete Determination Issued This site was closed under the August 2009 Final Record of Decision, Nine Installation Restoration Program Sites, Fort Greely, Alaska. Melody Debenham

Contaminant Information

Name Level Description Media Comments
DRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil
Dichloromethane Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil

Control Type

Type Details
Land Use Plan / Maps / Base Master Plan In the October 2004 Draft Decision Document Fact Sheets, administrative controls (ACs)were established in order to minimize risk to human health and the environment. The site is included in the post’s Geographic Information System (GIS), a tool used in the Dig Permit process for notifying contractors, workers, and base personnel of the potential for contamination to exist at this site.

Requirements

Description Details
Groundwater Use Restrictions The Dig Permit process is used to prevent installation of water production well(s) through the contaminated area 5 year reviews
Excavation / Soil Movement Restrictions prevent removal of contaminated material from the site to off-base locations or to environmentally sensitive areas 5 year reviews
When Contaminated Soil is Accessible, Remediation Should Occur If future land disturbance activities at the site encounter contamination, the contaminated material encountered will be properly remediated or disposed of in accordance with applicable regulations. 5 year reviews
Advance approval required to transport soil or groundwater off-site.

There are no documents for this site report.

No associated sites were found.

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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