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Site Report: Fort Wainwright Bldg. 3025 FTWW-010

Site Name: Fort Wainwright Bldg. 3025 FTWW-010
Address: Corner of Montgomery Rd and Engineer Way Rd, Utilidor Project Behind DPW Office, Fort Wainwright, AK 99703
File Number: 108.38.092
Hazard ID: 4392
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 64.828954
Longitude: -147.649751
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 3025 (a former laundry facility) is located south of Montgomery Rd and west of Engineer Place within the main cantonment of Fort Wainwright, Alaska (FWA). The building is now currently used as an Emergency Dispatch Center. In 2006 during installation of a utilidor adjacent to Building 3025, petroleum hydrocarbon contamination was identified in the soil. Analytical results identified diesel range organics (DRO) at a concentration of 3,310 milligrams per kilograms (mg/kg). Approximately 5 cubic yards of soil was removed before a concrete pad was poured over top the contaminated area. During a site file review in 2017, ADEC recommended the Army conduct groundwater sampling to assess possible volatile organic compound (VOC) impacts since the site was a former laundry facility. In 2018 a groundwater sample was collected on the northern side of Building 3025, and analyzed for gasoline range organics (GRO), DRO, residual range organics (RRO), VOCs, SVOCs and Resource Conservation and Recovery Act (RCRA) metals. RRO was detected at a concentration of 1,820 micrograms per liter (above the ADEC cleanup level). All other analytes in the groundwater were below ADEC cleanup levels. During 2018 to 2019, construction work around the perimeter of the building was conducted to install an antenna tower, add insulation around the building and construct a fence around these features. All soil sample results were below ADEC cleanup levels. The RRO contamination in the groundwater has not been delineated, and additional site characterization is needed to evaluate the groundwater pathway.

Action Information

Action Date Action Description DEC Staff
2/26/2007 Spill Transferred from Prevention Preparedness and Response Program Site transferred by PERP staff Amanda Stark. Spill Date = 8/23/06; Spill No. 06309923502; Substance = Unknown; Quantity = Unknown; PERP File No. 108.02.014. Mitzi Read
4/19/2007 Site Added to Database Site added to the database. Mitzi Read
4/20/2007 Exposure Tracking Model Ranking Initial ranking completed. Mitzi Read
4/16/2010 Update or Other Action A request was sent to the Army for reports of any actions that have occurred at the site or to have the site included in the IAP. Debra Caillouet
5/29/2014 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 75377 name: Utilidor Trench DRO Debra Caillouet
9/2/2015 Update or Other Action Transferred to Fairbanks Susan Carberry
12/13/2016 Meeting or Teleconference Held A two day Federal Facilities Agreement (FFA) and Stakeholders meeting was held on December 13 & 14, 2016. The main focus of the meeting was to develop a site discovery and site intake process that would satisfy requirements of the Fort Wainwright FFA, RCRA Permit, and two party agreements. The Army, EPA and DEC committed to a flowchart of the preliminary source evaluation process. Timelines were established for scoping a land use control implementation plan (LUCIP) and developing a contracting schedule for Fort Wainwright contaminated site investigations and remedial actions. Seven sites were proposed for inclusion into the FFA (three party agreement) by the Army and the RPMs documented the assignment of the regulatory path for these sites using a newly developed and agreed to signature form. Dennis Shepard
1/1/2017 Document, Report, or Work plan Review - other DEC approved the 2015 Annual Institutional Controls Report, Fort Wainwright, Alaska (August 2016). Dennis Shepard
11/16/2017 Document, Report, or Work plan Review - other One monitoring well (AP-5516) was installed on the northwest corner of Building 3025 in 1989. This well was discussed in the 2017 Well Decommissioning report. The well AP-5516 was recommended for sampling in 2017 to evaluate contaminant concentrations prior to making decisions for the well decommissioning or further site investigation. Dennis Shepard
11/20/2017 Update or Other Action DEC sent the Army a letter request to provide information or historical sampling reports for the Laundry(drycleaner)site. It is unclear whether Chlorinated solvents were evaluated at the site. DEC is requesting that analysis of VOCs be added to the list of analytes to be sampled at the onsite monitoring well AP-5516. Dennis Shepard
8/20/2018 Document, Report, or Work plan Review - other DEC approved the Sampling and Analysis Plan, Building 3025 Emergency Dispatch Center Antenna Tower, Fort Wainwright, Alaska, dated August 17, 2018. The document describes field screening and soil-sampling activities at Building 3025 on Fort Wainwright, Alaska. The project at Building 3025 includes constructing an antenna tower and building a chain link fence around the generator and mechanical equipment which is adjacent to the new dispatch center’s main entrance. Field screening methods will be used to segregate excavated soil, and determine where analytical soil samples will be collected. Analytical soil samples will be collected for gasoline range organics (GRO), volatile organic compounds (VOCs), diesel range organics (DRO) and residual range organics (RRO). If groundwater is encountered, a groundwater sample will be collected for the full suite of VOCs. Erica Blake
3/21/2019 Document, Report, or Work plan Review - other DEC approved the Building 3025 Emergency Dispatch Center Antenna Tower Sampling and Analysis Plan (dated March 2019). This is a project-specific addendum to the Building 3025 Emergency Dispatch Center Antenna Tower Sampling and Analysis Plan (SAP) dated August 17, 2018. The August 2018 SAP included field screening and soil sampling activities for construction of the antenna tower and a perimeter fence. The SAP Addendum is for additional work to excavate around the perimeter of Building 3025 in order to install foundation insulation Kevin Fraley
4/24/2020 Update or Other Action ADEC received the final summary report for the Building 3025 Emergency Dispatch Center and Antenna Tower, Fort Wainwright, Alaska (dated January 22, 2020). The report discusses environmental services conducted during construction of an antenna tower adjacent to Building 3025. Environmental fieldwork was conducted in 2018 and 2019. The environmental component of this project was to characterize the soil excavated for the purpose of determining disposal options, as well as to document possible contamination at the limits of excavation. All soil sample results from this project were below ADEC cleanup levels. Erica Blake
5/3/2021 Document, Report, or Work plan Review - other DEC provided review comments for the "Environmental Summary Report: FTWW-010 Laundry Building 3025" (dated March 1, 2021) to the U.S. Army. The summary report compiled and summarized environmental investigations and results from work that has been conducted at Building 3025 (a former laundry facility) on Fort Wainwright, Alaska (FWA). During review of the report and site information, DEC determined there are data gaps and additional site characterization work under 18 AAC 75.335 is needed before DEC can issue a cleanup complete determination for this site. Erica Blake
8/25/2021 Update or Other Action ADEC sent the U.S. Army a compliance advisory letter for excavating soil from a contaminated site (Building 3025) without ADEC approval. The excavated soil was potentially contaminated with petroleum. To resolve this issue ADEC has requested the U.S. Army provide a written response by September 30, 2021. Erica Blake
11/12/2021 Update or Other Action ADEC received a response on this date from the U.S. Army regarding the Building 3025 Compliance Advisory letter. There was a response provided from the Colonel, and a response provided by one of the Army remedial project managers. Erica Blake
1/4/2022 Document, Report, or Work plan Review - other ADEC provided responses to comments for the draft "Environmental Summary Report: FTWW-010 Laundry Building 3025" (dated March 1, 2021) to the U.S. Army. The document summarizes site work and recommends site closure for Building 3025. Residual range organics (RRO) has been identified in the groundwater at one well location above the ADEC Table C cleanup level. In order for ADEC to provide a closure determination for this site, additional site characterization work is needed to delineate the groundwater plume. Erica Blake
3/23/2022 Update or Other Action ADEC sent the U.S. Army a letter on this date (March 23, 2022) requesting site characterization work of the petroleum contaminated area near Building 3025 on Fort Wainwright, Alaska (FWA). To resolve ADEC's concerns, the letter requested 1) A source area form be completed for the residual range organics (RRO) contamination, and 2) Additional information regarding how the Army will work with the regulatory agencies to share the most current site boundaries. ADEC requested the Army provide a response by April 25, 2022. Erica Blake
3/23/2022 Update or Other Action ADEC provided a letter requesting the U.S. Army complete a new source form for petroleum contamination near Building 3025. CS began tracking petroleum contamination at this site in 2007 when petroleum was identified in trench excavation activities. In 2018, residual range organics (RRO) was detected in the groundwater above ADEC cleanup levels. This contamination has not been delineated. The letter sent to the U.S. Army requests the process for bringing new sites into a sampling program be followed, and the petroleum contamination be signed under the Two-Party program for additional site characterization. ADEC requested a response to this letter by April 25, 2022. Erica Blake
5/13/2022 Update or Other Action ADEC received an email from the Army on this date, responding to the March 23, 2022 letter requesting additional site characterization work at the Building 3025 site. The Army responded by informing ADEC additional site characterization work will be conducted this upcoming 2022 field season. More details about this investigation will be provided to ADEC in the future. Erica Blake
9/1/2022 Document, Report, or Work plan Review - other ADEC received the Technical Memorandum, Environmental Summary Report Data Gap Work Plan for Building 3025, Hangar 3, and CANOL Road Sites on August 19 2022. The work plan is in response to ADEC documentation requesting additional characterization of the three sites. The sampling activities will investigate the extent of RRO in soil and groundwater at Building 3025, evaluate the extent of pentachlorophenol and naphthalene in soil and groundwater at Hangar 3, and investigate the groundwater at select locations where soil contamination was observed during the 2003 pipeline removal at the CANOL road pipeline sites. Groundwater IDW at Hangar 3 will also be analyzed for PFAS due to proximity to PFAS AOPI. The final work plan was approved on this date. Cascade Galasso-Irish
6/22/2023 Document, Report, or Work plan Review - other DEC has completed various reviews and backchecks of four Environmental Summary Reports (ESRs). The four ESRs detail historical summaries of the Aviation Task Force (ATF) Former Hangar 3 Utilidor Expansion site, the Canadian Oil (CANOL) Road site, the FTWW-010 Laundry Building 3025 site, and a Data Gap Report covering each of the three other sites regarding the data gaps present before work was conducted in 2022. DEC approved each of these four documents on this date. Tim Sharp
6/22/2023 Cleanup Complete Determination Issued DEC has completed a review of the environmental records associated with the Fort Wainwright Bldg. 3025 and has determined that the contaminant concentrations remaining on site do not pose an unacceptable risk to human health or the environment. No further remedial action is required unless information becomes available that indicates residual contaminants may pose an unacceptable risk. This site will receive a “Cleanup Complete” designation on the Contaminated Sites database. Tim Sharp

Contaminant Information

Name Level Description Media Comments
DRO < Method 2 Most Stringent Soil
RRO < Method 2 Most Stringent Soil
RRO < Table C Groundwater

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
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