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Site Report: Sunshine One Stop

Site Name: Sunshine One Stop
Address: Mile 98.8 Parks Highway, Talkeetna, AK 99676
File Number: 2258.26.005
Hazard ID: 24734
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 62.136663
Longitude: -150.040873
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

Three 12,000 gallon USTs were closed and removed in 1998. Approximately 3200 cubic yards of contaminated soils were excavated. After excavation confirmation samples verified that the excavation met site cleanup levels. Originally the excavated contaminated soils were to be treated on-site. Later in 1998, 900 cubic yards of 2 inch plus sized material was screened out and used as fill on the property. The remaining 2300 cubic yards of contaminated soil was approved to temporarily store off property at the RP's Big Lake property while awaiting treatment. A NFRAP letter was issued in 2001 with the condition that the 2300 cubic yards be treated. The contaminated soil stockpile has treated in 2009 and is to be reused in a roadway. A closure letter was issued on December 9, 2009. FKA L55.295

Action Information

Action Date Action Description DEC Staff
4/8/1998 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77225 Soil contamination was encountered during the closure and removal of the three 12,000 gallon tanks at this site. Former Staff
4/8/1998 Site Added to Database Former Staff
4/9/1998 Leaking Underground Storage Tank Cleanup Initiated - Petroleum Excavation and stockpiling of the 3300 cubic yards of contaminated soils at the site. Former Staff
4/22/1998 Leaking Underground Storage Tank Corrective Action Underway Consultant submitted a partial workplan proposal to encapsulate the stockpiled, contaminated soils into the roadbed/parking lot for this facility. Former Staff
4/28/1998 Update or Other Action ADEC completed review and responded to the partial workplan, approving the proposal to screen the soils and use the oversize material for fill on-site. The sampling proposal was conditionally approved. Plans for the three remaining tasks will be provided after the sampling results are evaluated. Former Staff
5/22/1998 Underground Storage Tank Site Characterization or Assessment ADEC received site assessment report. Former Staff
5/28/1998 Release Investigation ADEC completed review and responded to workplan details for encapsulation of contaminated soils. Need sample results on the characterization of the soils to evaluated the request. Former Staff
6/2/1998 Update or Other Action ADEC completed review of sampling results provided by consultant for the stockpiled soils. Sent letter with questions regarding the number of samples taken. Former Staff
6/9/1998 Update or Other Action ADEC completed review of additional info provided by the consultant and sent letter advising that response was satisfactory. Former Staff
6/10/1998 Update or Other Action ADEC issued letter of approval on workplan to encapsulate the contaminated soils. Former Staff
9/8/2000 Update or Other Action RP called and said that he can't afford to do the pavement yet. He stated that the stockpiles are being covered and maintained. Sharon Sadlon
10/31/2001 Conditional Closure Approved NFRAP issued for in-situ soil and groundwater. Remedial action required for contaminated stockpiled soil per 9/19/01 ADEC letter. Stockpile (2300 cubic yards of DRO/BTEX contaminated soil) has been transported off-site at the RP's Big Lake property for storage and further treatment. Sharon Sadlon
10/31/2001 Institutional Control Record Established Institutional Control established for the 2300 cubic yards of DRO/BTEX contaminated soil currently being stored at the RP's Big Lake property awaiting treatment. Robert Weimer
5/18/2004 Update or Other Action File review to check status of stockpile stored off-site. Robert Weimer
8/4/2005 Update or Other Action File number issued 2258.26.005 (FKA L55.295) Aggie Blandford
1/6/2006 Update or Other Action Input site in the Institutional Control tracking module. Robert Weimer
5/10/2007 Update or Other Action ADEC requests sampling plan for the stockpiled contaminated soil. ADEC also requests by May 18, 2007 documentation of the current condition of the stockpile and the weekly inspection reports/logs as per Fisher's Fuel 9/19/2001 letter. Robert Weimer
7/24/2007 Update or Other Action ADEC provides comments on proposed multi-increment sampling plan for the off property contaminated stockpile. Robert Weimer
8/6/2007 Update or Other Action ADEC provides comments on revised discrete sampling plan for the off property contaminated stockpile. Robert Weimer
11/14/2007 Update or Other Action Meeting with RP's consultant to discuss stockpile sampling and treatment options. Robert Weimer
4/24/2008 Update or Other Action ADEC reviews and provides comments on a second revision of the stockpile sampling plan for the contaminated soil stored at the off site location. The plan also proposes landspread treatment of any soils found to exceed default cleanup levels. Robert Weimer
4/29/2009 Update or Other Action ADEC reviews and conditionally approves a second revision of the stockpile sampling plan for the contaminated soil stored at the off site location. Landspread treatment of any soils found to exceed default cleanup levels is not approved. Robert Weimer
6/10/2009 Underground Storage Tank Site Characterization or Assessment On April 29, 2009 the stockpiled material currently being stored off site was run through a crusher, field screened and sampled (BTEX, GRO, and DRO) in accordance with the sampling workplan conditionally approved on April 28, 2009. All soils meet default method 2 cleanup levels. Soils are approved for reuse at the off property location in accordance with the approved workplan. Robert Weimer
12/9/2009 Update or Other Action ETM ranking updated. Robert Weimer
12/9/2009 Cleanup Complete Determination Issued ADEC issues a closure letter for this site. Some benzene soil contamination may remain up to 0.057 mg/kg at 15 feet below ground surface below the middle tank and at 40 feet below ground surface in the southeast corner of the tank excavation based on 1998 sampling in the excavation. New replacement underground storage tanks were put in the same excavation, and as of the date of this letter these tanks are still in use. Robert Weimer
12/10/2009 Institutional Control Record Removed Contaminated stockpile has been treated. Robert Weimer
12/10/2009 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 77225 name: autogenerated pm edit - Sunshine One Stop Robert Weimer
12/22/2010 Institutional Control Record Removed Institutional Controls have been removed. Robert Weimer

Contaminant Information

Name Level Description Media Comments
Benzene Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil Some benzene soil contamination may remain up to 0.057 mg/kg at 15 feet bgs below the middle tank and 40 feet bgs in the southeast corner of the tank excavation based on 1998 sampling.
DRO < Method 2 Most Stringent Soil
GRO < Method 2 Most Stringent Soil
Benzene < Table C Groundwater

Control Type

Type Details
No ICs Required

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
Hazard ID Site Name File Number
25707 Tesoro Northstore #78 2011 System Upgrade 2268.26.008
27116 Tesoro Northstore #78 Vehicle Fueling Overfill 2258.38.018

Missing Location Data

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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