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Site Report: Seekins Ford-Lincoln-Mercury

Site Name: Seekins Ford-Lincoln-Mercury
Address: 1625 Seekins Ford Drive, Fairbanks, AK 99701
File Number: 100.26.131
Hazard ID: 24445
Status: Active
Staff: Laura Jacobs, 9074512911 laura.jacobs@alaska.gov
Latitude: 64.856436
Longitude: -147.678632
Horizontal Datum:

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

Previous environmental work at the subject property has included the closure of two underground used oil tanks, the closure of two underground fuel storage tanks, and the removal of one Class V injection well. All three systems were located on the east side of the building. The four former underground storage tanks (USTs) were removed in August and September 1994, and the injection well closure was accomplished in October 1994. Petroleum contamination was observed at the base of UST excavations, and sheen was observed at the groundwater table. Additional subsurface investigations conducted in 1995 (including monitoring well & temporary well point installations) indicated that a plume of hydrocarbon impacted groundwater exists beneath the site and appears to be situated beneath the building, likely origninating from one or more of the former source areas.

Action Information

Action Date Action Description DEC Staff
8/22/1995 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77921 ADD; File# 740.26.003 Former Staff
8/22/1995 Site Added to Database Former Staff
2/14/1996 Release Investigation SA2R; Review of Release Investigation report. Request Corrective Action Plan be submitted by June 1, 1996. Former Staff
3/28/1996 Leaking Underground Storage Tank Cleanup Initiated - Petroleum LCAU; Removal of two 500-gallon used oil tanks, a 2,000-gallon diesel tank and a 5,000-gallon gasoline tank. Former Staff
3/28/1996 Update or Other Action CORR; Letter requesting Corrective Action Plan be submitted by June 1, 1996. Former Staff
4/9/1996 Release Investigation SA2A; Review and approval of Interim Corrective Action Plan. Well search to 1/4 mile, historical use survey, installation of five groundwater monitoring wells, and quarterly water quality sampling and monthly water levels. Start date: May 96. Completion date: June 97. Former Staff
5/10/1996 Update or Other Action UPD; Removed 1150 cubic yards of contaminated soil off-site for thermal remediation. Former Staff
11/20/1997 Update or Other Action ADEC sends Notification of Intent to Cost Recover Letter to Current Owner: HUDSON AIR SERVICE INC. Former Staff
1/28/2004 Update or Other Action Transferred DEC staff lead from John Carnahan Cynthia Pring-Ham
3/1/2005 Document, Report, or Work plan Review - other Reviewed all UST & CS files for a meeting with Larry Peterson with Travis Peterson consulting. Met with Peterson and discussed site status. Contacted Deb Williams after a meeting with Larry Johnson and entered injection well closure (MW-3) as a separate contaminated site. Requested CS LC from J. Powell. Douglas Bauer
3/14/2005 Update or Other Action Met with Eddie Packie with Travis Peterson Consulting to discuss outstanding issues concerning LUSTs and former injection well. Douglas Bauer
5/4/2005 Update or Other Action Approved decommissioning plan for MW-5 Douglas Bauer
5/18/2006 Update or Other Action Comments on 2006 field sampling plan for ground water sampling forwarded to Travis Peterson Consulting on 5/17/20006. See CS database Seekins Ford Injection well for cross reference. Douglas Bauer
8/14/2006 Update or Other Action Received July 2006 ground water monitoring results. Updated databases. Douglas Bauer
12/20/2007 Update or Other Action Received Annual Groundwater Monitoring Report on Dec.11,2007. MW-1 and MW-6 as well as the DUP (MW-3) showed levels of petroleum hydrocarbons above ADEC cleanup levels. Travis/Peterson proposed sampling wells MW-1 and MW-6 every 3 years starting in 2009 and decommissioning remaining wells. ADEC declined this request and recommended sampling wells MW-6 and GWP-2 in the spring of 2008 to assess groundwater migration offsite. Tamara Cardona-Marek
2/27/2008 Update or Other Action Met with consultant Larry Peterson. Agreed to sample wells MW-6, MW-1, and GWP-2 in the Fall of 2008. Consultant will also investigate if contaminated soil was left in place near MW-1 source area to evaluate vapor intrusion pathway. Evaluation of vapor intrusion pathway might include indoor air sampling. Tamara Cardona-Marek
3/20/2008 Exposure Tracking Model Ranking Initial ranking completed. Tamara Cardona-Marek
10/20/2008 Document, Report, or Work plan Review - other DEC reviewed the Travis/Peterson Groundwater Monitoring Report. MW-1 continues to have DRO, GRO and BTEX above cleanup levels. PCE detected in MW-6 but at levels below cleanup. DEC recommends wells MW1, MW2, MW3, MW6 and MW7 remain available for biannual monitoring (every two years). Next sampling event would be in the fall of 2010. DEC also requested an updated CSM. Tamara Cardona-Marek
11/24/2008 Update or Other Action ADEC Received the updated conceptual site model from Travis/Peterson. Tamara Cardona-Marek
11/24/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 77921 name: UST Tamara Cardona-Marek
7/9/2009 Update or Other Action DEC received well decommissioning communication from TPECI. Monitoring wells MW-3, MW-4, and GWP-2 were decommissioned in June 2009. Well MW-3 should've remained available for monitoring, per a DEC letter from October 2008. DEC is requesting a solution to this issue. Tamara Cardona-Marek
8/21/2009 Document, Report, or Work plan Review - other TPECI submitted workplan to re-install MW-3 and decommission GWP-3. Work plan has been approved. Tamara Cardona-Marek
9/4/2009 Update or Other Action DEC received a complaint indicating that hydraulic hoists were being replaced by Seekins Ford and potentially contaminated soil was being excavated. PERP did a site visit and Seekins Ford had TPECI screen the stockpile. PERP will continue to follow up with this issue since additional hoists are planned to be replaced. Tamara Cardona-Marek
12/29/2009 Update or Other Action Site transferred from Tamara Cardona-Marek to Jim Fish. Janice Wiegers
2/5/2010 Document, Report, or Work plan Review - other Received soil samples report (Nov 2009) from TPECI for (3) samples collected during automotive lift station installations (unapproved, but opportunisitic sampling). DRO found above Migration to GW levels for soil sample collected at 4-ft bgs (DRO = 338 mg/kg). Will refer report to PERP. Jim Fish
11/20/2012 Update or Other Action Site characterization report reviewed - additional site characterization may be warranted to explain increasing concentrations of COCs in monitoring wells; request building survey for VI evalaution, and groundwater elevation (survey) and gradient determination, and gw contaminant delineation. Jim Fish
9/24/2014 Document, Report, or Work plan Review - other Received groundwater monitoring report. Report indicates sampling occured 27 August 2014, when groundwater was approximately 2 to 3 feet above normal levels for this time of year. Concentrations of COCs increased in some wells (from 2013 sampling activities), but decreased in other wells. New analytes (below groundwater cleanup levels) were also detected in some wells. Moniotring well MW-1 still contains GRO, toluene and ethylbenzene above groundwater cleanup levels. Groundwater gradient and flow direction was not determined as requested, and the extent of groundwater contamination has yet to be fully delineated. Jim Fish
10/29/2014 Document, Report, or Work plan Review - other Approved work plan for pressure transducer installation during 2015 field season. Pressure data will be collected to calculate groundwater elevation, which in turn will be used to calculate average and seasonal groundwater flow direction & gradient. This information will be used to understand the stability of the contaminated groundwater plume(s) and determine their potential to migrate beyond the property boundaries. Jim Fish
9/22/2015 Update or Other Action Received notification from consultant that pressure transducers will be installed this fall, during the annual groundwater monitoring event. Jim Fish
10/14/2015 Update or Other Action Received Groundwater Monitoring report from consultant Jim Fish
2/25/2016 Document, Report, or Work plan Review - other Reviewed 2015 Groundwater Monitoring Report of sample event that occurred September 28, 2015 for wells MW-1, MW-2, MW-3, MW-6, and MW-7. Concentrations of COCs increased in some wells (from 2014 sampling activities), but decreased in other wells. Monitoring well MW-1 still contains GRO and ethylbenzene above groundwater cleanup levels. Groundwater gradient and flow direction data is being collected with pressure transducers and have been recording data since August 2015 and will continue until August 2016. The extent of groundwater contamination will also be fully delineated with the data collected. Request was made for future sample events be reduced to once every three years. DEC requested Vapor Intrusion Survey be conducted in the mean time. Laura Jacobs
11/3/2016 Document, Report, or Work plan Review - other DEC reviewed the Groundwater Gradient Site Characterization Report as submitted by TPECI for information regarding flow direction and gradient. Four groundwater monitoring wells were measured daily using pressure transducers reporting through data loggers for the period October 6, 2015 to August 22, 2016. The data loggers recorded water pressure in each well once daily. Surveyed elevations of the wells were compared with the pressure transducer data. Both indicate the groundwater flow direction is predominantly toward the west,and seasonal changes in gradient fluctuates more than groundwater direction. Laura Jacobs
10/9/2017 Document, Report, or Work plan Review - other DEC received the 2017 Annual Groundwater Monitoring Report. Gasoline Range Organics (GRO), ethylbenzene, total xylenes, 1,2,4-trimethylbenzene and naphthalene are above Table C. Groundwater Cleanup Levels at MW-1. Compared to historical levels at MW-1 all five contaminants are at reduced level. RP's consultant recommends long term monitoring. Laura Jacobs
10/25/2017 Document, Report, or Work plan Review - other DEC sent review comments for the "2017 Annual Groundwater Monitoring Report". Groundwater monitoring wells MW-1, -2, -3, -6, and -7 were sampled and analyzed for gasoline range organics (GRO), diesel range organics (DRO), and volatile organic compounds(VOCs). MW-1 had GRO, ethylbenzene, xylenes, 1,2,4-trimethylbenzene, and naphthalene above DEC groundwater cleanup levels. MW-2 contained TCE above DEC's groundwater cleanup levels. Laura Jacobs
11/1/2017 Document, Report, or Work plan Review - other DEC received revised version of 2017 Groundwater Monitoring Report by Travis/Peterson Environmental Consulting, Inc. Laura Jacobs
10/8/2020 Document, Report, or Work plan Review - other ADEC staff reviewed the 2020 Annual Groundwater Monitoring Report, submitted on September 29, 2020. ADEC requested additional information on plume behavior or trends in contaminant levels to make further decisions to decommission remaining monitoring wells. Laura Jacobs
12/11/2023 Document, Report, or Work plan Review - other DEC completed a review of the 2023 Groundwater Monitoring Report received by our office December 1, 2023. DEC requested a revised report to address several concerns with laboratory data, and data table. Laura Jacobs
12/28/2023 Document, Report, or Work plan Review - other Samples collected in 2023 from groundwater monitoring wells (MW-1, MW-2, MW-3, MW-7) resulted in contaminant levels above the Table C. Groundwater Cleanup Levels in MW-1 only (diesel range organics; gasoline range organics; 1,2,4-trimethylbenzene; 1,3,5-trimethylbenzene; naphthalene; ethylbenzene; o-xylene; P&M xylene; and total xylenes). DEC agreed to sampling in three years for only wells MW-1, and MW-3. Laura Jacobs

Contaminant Information

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Control Type

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Description Details

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State of Alaska Department of Environmental Conservation

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Juneau, AK 99811-1800
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