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Site Report: Bear Creek RRS Fuel Storage Area SS003


Site Name: Bear Creek RRS Fuel Storage Area SS003
Address: 9 Mi. NE of Tanana Villag, Tanana, AK 99777
File Number: 780.38.002.04
Hazard ID: 742
Status: Cleanup Complete
Staff: ,
Latitude: 65.254774
Longitude: -151.923080
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

Air Force IRP site SS003. The POL storage area was operated from approximately 1959 to 1981, and consisted of a 220,500 gallon diesel fuel and a 12,285 gallon gasoline above ground storage tank (AST). The two ASTs were surrounded by an earthen berm. Diesel fuel leaks occurred from valves and pipes. The tanks were drained and demolished in 1996, and buried in a permitted, on-site landfill. The earthen berm was removed, and part of the piping run may still be buried in place. The site was covered with soil in 1997 and revegetated, although due to extensive erosion additional soil cover and revegetation work was conducted in 2000. Continued erosion of the soil cover was documented in 2001, and its current condition is unknown. Soil samples collected in 1992 documented diesel range petroleum contamination above regulatory limits, with the highest DRO concentrations near a fuel pump located outside of the berm. However, subsequent surface and subsurface soil sampling conducted during the Remedial Investigation did not document any contamination that exceeded cleanup levels. Soil borings advanced up to 47 feet below the ground surface did not find groundwater, although an unexplained old database entry mentioned DRO contaminated groundwater. Local residents are known to frequent the site. Site access is unlimited to humans or animals. The site is assigned a HIGH overall risk on the Air Force Relative Risk Evaluation Worksheet dated 9/11/95.

Action Information

Action Date Action Description DEC Staff
7/1/1981 Interim Removal Action Approved (Old R:Base Action Code = REM - Removal / Excavation). Air Force removed approximately 300 gallons of PCB fluid from site sometime in July 1981. No Longer Assigned
6/1/1983 Interim Removal Action Approved (Old R:Base Action Code = REM - Removal / Excavation). PCB contaminated soil discovered and partial cleanup performed in summer of 1983. No Longer Assigned
2/29/1984 Update or Other Action (Old R:Base Action Code = FI - Field Inspection (General)). F. Madison of Bureau of Indian Affairs obtained surface water, soil, and whitefish tissue samples from Bear Creek. No PCBs were detected by laboratory analyses. No Longer Assigned
7/1/1985 Interim Removal Action Approved (Old R:Base Action Code = REM - Removal / Excavation). Further cleanup of PCB contaminated soil. No Longer Assigned
4/1/1989 Preliminary Assessment Approved "IRP Preliminary Assessment, Bear Creek Radio Relay Station, Alaska" report dated April, 1989 concludes that small quantities of hazardous materials were used at the facility. No evidence of contamination was visible at the time of the site visit, but buried drums and waste liquids may have been disposed of at the site. Floor drains at the vehicle maintenance shop may be connected to a dry well. No Longer Assigned
1/18/1991 Site Ranked Using the AHRM Initial ranking. No Longer Assigned
6/16/1992 Preliminary Assessment Approved Reviewed Preliminary Assessment report dated 1989 and conducted complete file review to prepare for site visit. Laura Noland
7/16/1992 Update or Other Action (Old R:Base Action Code = RECN - Site Reconnaissance (CS)). Conducted site inspection with Air Force personnel. Contamination issues noted include floor drains in two vehicle maintenance buildings and possible TPH contamination near bulk fuel tanks. No obvious soil stains. Laura Noland
8/24/1992 Update or Other Action (Old R:Base Action Code = RAPR - Remedial Action Plan Review (CS)). Reviewed Draft Field Sampling Plan and QA/QC for Bear Creek RRS dated August 1992 completed by ENSR Consulting and Engineering. Requested that downgradient stream sediment be sampled. Laura Noland
6/28/1993 Interim Removal Action Approved Received PCB sample results which indicate up to 1,000 ppm PCB found near the doorway of the Equipment Building. ADEC informed Air Force that either an emergency removal and/or warning signs would need to be pursued. Laura Noland
6/30/1993 Update or Other Action (Old R:Base Action Code = SI - Site Investigation). Received "Final Site Inspection of the Bear Creek radio Relay station at Tanana, Alaska dated June 1993. Inspection conducted by ENSR for Air Force. Laura Noland
8/13/1993 Update or Other Action (Old R:Base Action Code = SI - Site Investigation). Conducted review of Final Site Inspection report. Laura Noland
11/30/1993 Update or Other Action (Old R:Base Action Code = NFA - No Further Action Required (CERCLA)). ADEC did not close site, but EPA determined facility is No Further Action based on HRS ranking. Laura Noland
5/27/1994 Update or Other Action (Old R:Base Action Code = RPL2 - Site Information Request Letter). Sent PRP-CS Database Notification Letter to RP requesting update and more environmental information concerning contaminated site. Jeff Peterson
3/28/1996 Meeting or Teleconference Held ADEC staff Kris M., Laura N., Tamar S. met with Jill Chounard regarding demolition/ onsite landfill for disposal of demolition debris at site. There is one identified PCB hot spot for which contaminated debris and soil will be excluded from landfill. After demolition/landfilling, contaminated sites issues will be addressed. Tamar Stephens
1/23/1997 Site Added to Database Site added by Shannon and Wilson. See also Reckey 198931X902510. S&W
3/24/1997 Update or Other Action Site updated by Shannon and Wilson, based on the Air Force Relative Risk Evaluation Worksheets dated 9/11/95. Individual IRP sites assigned separate Reckey numbers. See Comments field on the Problem/Comments Tab for a list of Reckey numbers. S&W
6/1/1998 Site Characterization Workplan Approved RI performed at facility. Patrice Buck
1/19/1999 Update or Other Action Revised Draft Conceptual Site and Risk Assessment Work Plan reviewed. Patrice Buck
11/1/1999 Update or Other Action Received draft Proposed Plan sent letter 12/10/99. Patrice Buck
12/1/1999 Risk Assessment Report Approved Staff review RI report and approved RA. Patrice Buck
12/20/1999 Update or Other Action Response to Draft Proposed Plan for the Bear Creek RRS. Action entered by Sarah Riddle. Patrice Buck
3/2/2001 Update or Other Action Response to Draft Proposed Plan for the Bear Creek RRS, Version 2. Action entered by Sarah Riddle. Patrice Buck
2/26/2002 Update or Other Action Response to Draft Proposed Plan for the Bear Creek RRS, Version 3. Action entered by Sarah Riddle. Patrice Buck
3/11/2002 Update or Other Action Response to Draft Proposed Plan for the Bear Creek RRS, Version 4. Action entered by Sarah Riddle. Patrice Buck
3/26/2002 Proposed Plan Staff approved a Proposed Plan for four sites at top camp (LF01, SS02, SS03, and SS04). Public meeting is schedule for April 22, 2002 in Tanana. It has been determined that there is no complete migration to groundwater pathway at the top camp. Contamination levels sampled in the 1998 RI did not exceed the Method 2 inhalation and ingestion levels with the exception of 1.2 ppm PCB level in LF02. The Air Force is proposing to re-grade and re-seed the area to preserve the cap and conduct LTM at LF01. Patrice Buck
3/28/2002 Update or Other Action Response to Draft Community Relations Plan for the Bear Creek RRS. Approval expected after comments addressed. Action entered by Sarah Riddle. Patrice Buck
9/11/2002 Meeting or Teleconference Held Staff attended a Tribal Government to Government meeting in Tanana. Present at the meeting were Alaska Area Native Health Service (AANHS), Alaska Native Tribal Health Consortium (ANTHC), Agency for Toxic Substances and Disease Registry (ATSDR), the Air Force 611th, FAA, EPA, Corps of Engineers, and tribal members and their consultants. In June 2002, some of these agencies met with the Tanana Tribal Council (not including DEC) to discuss an Interagency Tribal Coordinated Environment Agreement. The document had been revised from the first meeting and the Tribe requested comments on this draft by 9/30/02. A teleconference is schedule for 10/18/02 to discuss revisions. A goal of signing the document by12/1/02 was set. The purpose of the agreement is for various agencies to work together in identifying sources, to develop environmental profiles and assessment reports, and identify multi-phase corrective actions. Staff is reviewing four decision documents and public comments to the proposed plan. Patrice Buck
10/4/2002 Update or Other Action Review of draft Decision Document received August 28, 2002. Comments provided. Action entered by Sarah Riddle Patrice Buck
1/29/2003 Update or Other Action DEC sent e-mail with comment on Cumulative Risk Tech Memo. Error included including arsenic (since it is background) and use industrial levels. Request the memo be resubmitted. Patrice Buck
5/21/2003 Update or Other Action Recieved revised DDs. They are lacking revision suggested in previous comments. Patrice Buck
4/28/2005 Meeting or Teleconference Held DEC attended a meeting with the Air Force and their contractors discussing a work plan for 2005 site characterization. This field work will be for the few remaining Installation Restoration Program (IRP) sites that require further action. The Air Force is also hoping to create Decision Documents for other IRP sites at the facility that were drafted previously, but never completed. These IRP sites are presumed to require no further remedial action. DEC agreed that the scope of work for 2005 was appropriate, and will review historical work to ensure that the Air Force’s assessment of which sites require further remedial action is correct. Colin Craven
7/13/2005 GIS Position Updated Location of former fuel storage area corrected by USGS map interpolation. Colin Craven
7/22/2005 Update or Other Action DEC participated a site visit with the Air Force and their contractors. The main purpose of the visit was to inspect three new IRP sites where additional site characterization will occur this August, and to meet with the Tanana Tribal Council to present the plans for the site characterization. The cap and revegetation at the site demolition landfill on the hilltop of the former relay station appeared to be in good condition. Colin Craven
7/28/2005 Site Characterization Workplan Approved Meetings with the Air Force and its contractors resolved all comments and questions on the draft work plan. Field work should begin in early August 2005. Colin Craven
3/1/2007 Exposure Tracking Model Ranking Initial ranking. Lisa Maserjian
11/15/2007 Update or Other Action The Air Force released a Proposed Plan for public comment on Final Actions for 5 sites at Bear Creek (including the Fuel Storage Area) . The comment period extended from July 9 through August 14, 2007. No comments were received. Kim DeRuyter
11/15/2007 Update or Other Action A Draft ROD was submitted to the Department for the Yukon River POL, Vehicle Maintenance Shop, Fuel Storage Area, Equipment Building, and Barrel Storage Area, DEC has reviewed the draft ROD and will provide comments. 1998 Soil boring sample results are summarized in the ROD. DRO was detected up to 4,200 mg/Kg, GRO to 360 mg/Kg RRO, VOCs, SVOCs, Pesticides, and PCBs were detected below 1/10th the Ingestion and inhalation cleanup levels. Kim DeRuyter
12/10/2007 Update or Other Action A preliminary conceptual site model for the Bear Creek RRS can be found in section 7 of the September 1999 Final Remedial Investigation Report. Kim DeRuyter
9/16/2008 Update or Other Action DEC sent comments to the Draft/Final ROD. The ROD included SS002 the Vehicle Maintenance Shop, SS003, the Fuel Storage Area, SS004 the Equipment Building, SS006 the Barrel Storage Area, and SS008 the POL Site by the yukon River. Residual soil contamination at these sites is below risk based levels. The completion of the Draft/Final ROD was delayed while DEC revised the Site Closure Proceedures and Policy Guidance. The remedial action objective for the sites is no further action. The site status will change to cleanup complete with no institutional controls upon signature of the Final ROD. Kim DeRuyter
2/20/2009 Update or Other Action Met with Steve Hunt in the Fairbanks office on 2/19/09 to discuss the Proposed Plans for the Borrow Pit, LFO1, and Equipment building sites and DECs comments to the Draft Final (no further action) record of decision. Sent a letter outlining DECs final comments on the ROD on 2/20/09. Kim DeRuyter
7/30/2009 Cleanup Complete Determination Issued John Halverson signed the no further action ROD for four sites at the Bear Creek Radio Relay Station. The ROD included the Former Fuel Storage Area SS003 site. DRO to 4,200 ppm and GRO to 360 ppm remain in subsurface soil at the site which is located on a hill top outside of Tanana. The site has been capped with clean soil and is revegatated with grass. Kim DeRuyter
9/24/2013 Update or Other Action On Sept 24, 2013, ADEC concurred with a workplan prepared by Jacobs Eng, for the AF, to survey the boundaries of SS002, SS003 and SS008 for use in documenting areas with residual petroleum in soil to aid in proper future soil managment. The plan also includes provisions for inspecting and verifying proper closure of an abandoned underground fuel pipeline between the former Equipment Building and the Fuel Storage Area. John Halverson
12/20/2013 Update or Other Action Recieved Draft Pipeline Inspection Report: Site Closure Documentation for Site SS003, Bear Creek Radio Relay Station (RRS), Alaska (CDRL A001D) Meredith Savage
12/20/2013 Update or Other Action Received Draft Survey Report: Site Closure Documentation for Sites SS002, SS003, and SS008, Bear Creek RRS, Alaska (CDRL A001E). Meredith Savage
2/4/2014 Update or Other Action Reviewed and approved as final- Draft Survey Report: Site Closure Documentation for Sites SS002, SS003, and SS008, Bear Creek Radio Realy Station (RRS), Alaska. Meredith Savage
2/4/2014 Update or Other Action Reviewed and approved as final- Draft Pipeline Inspection Report: Site Closure Documentation for Site SS003, Bear Creek Radio Relay Station (RRS), Alaska (CDRL A001D) Meredith Savage
2/21/2014 Update or Other Action Recieved final report- Pipeline Inspection Report: Site Closure Documentation for Site SS003, Bear Creek Radio Relay Station (RRS), Alaska (CDRL A001D) Meredith Savage
2/21/2014 Update or Other Action Final report received- Survey Report: Site Closure Documentation for Sites SS002, SS003, and SS008, Bear Creek Radio Realy Station (RRS), Alaska. Meredith Savage
12/5/2014 Update or Other Action On July 30, 2009, ADEC signed the no further action ROD for four sites at the Bear Creek Radio Relay Station, which included the Former Fuel Storage Area SS003 site. However, the ROD included a requirement for a survey of site boundaries, delineation residual contamination, and location and inspection of a buried pipeline at site SS003. This work was carried out in September 2013 and the results were presented in two reports (see entries for 2/21/2014). As of this entry, ADEC has updated the Exposure Tracking Model data base and drafted a formal closure letter for the site. Meredith Savage
12/5/2014 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 71721 Fuel Storage Area. Meredith Savage
12/12/2014 Update or Other Action ADEC Contaminated Sites Program has completed a review of environmental records associated with the Bear Creek Radio Relay Station (RRS) sites SS002, SS003, and SS008. Based on this review we are issuing an updated Cleanup Complete determination for these named sites. The documentation of residual contamination remaining at these sites as stipulated in the June 1, 2009 Record of Decision (ROD) titled Final Record of Decision for Vehicle Maintenance Shop (SS002, Fuel Storage Area (SS003, Barrel Storage Area (SS006), POL Site by Yukon River (SS008) Bear Creek Radio Relay Station, Alaska, has been completed. After receiving the Site Closure Documentation report for Bear Creek Sites SS002, SS003, and SS008, ADEC used its Exposure Tracking Model (ETM) to evaluate risk of exposure to the remaining contaminants (DRO) for each of the three sites. Exposure pathways are the conduits by which contamination may reach human or ecological receptors. The ETM rankings for sites SS002, SS003, and SS008 show the pathways as either De-Minimis Exposure (exposure is negligible) or Pathway Incomplete (no direct exposure pathway). ADEC has determined that there is no unacceptable risk to human health or the environment at Bear Creek RRS sites SS002, SS003, and SS008, and these sites have been granted an updated Cleanup Complete determination. Meredith Savage

Contaminant Information

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

Control Type

Type Details
No ICs Required

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.

Missing Location Data

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